North American Network Operators Group

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Weekly Routing Table Report

  • From: Routing Table Analysis
  • Date: Fri Mar 03 13:08:21 2006

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to [email protected]

If you have any comments please contact Philip Smith <[email protected]>.

Routing Table Report   04:00 +10GMT Sat 04 Mar, 2006

Analysis Summary
----------------

BGP routing table entries examined:                              183454
    Prefixes after maximum aggregation:                          101866
    Unique aggregates announced to Internet:                      89224
Total ASes present in the Internet Routing Table:                 21665
Origin-only ASes present in the Internet Routing Table:           18825
Origin ASes announcing only one prefix:                            8941
Transit ASes present in the Internet Routing Table:                2840
Transit-only ASes present in the Internet Routing Table:             70
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      29
Prefixes from unregistered ASNs in the Routing Table:                79
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1507476576
    Equivalent to 89 /8s, 218 /16s and 68 /24s
    Percentage of available address space announced:               40.7
    Percentage of allocated address space announced:               60.0
    Percentage of available address space allocated:               67.8
Total number of prefixes smaller than registry allocations:       89648

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    38656
    Total APNIC prefixes after maximum aggregation:               16280
Prefixes being announced from the APNIC address blocks:           36467
    Unique aggregates announced from the APNIC address blocks:    17701
APNIC Region origin ASes present in the Internet Routing Table:    2488
APNIC Region origin ASes announcing only one prefix:                690
APNIC Region transit ASes present in the Internet Routing Table:    389
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         21
Number of APNIC addresses announced to Internet:              216403168
    Equivalent to 12 /8s, 230 /16s and 12 /24s
    Percentage of available APNIC address space announced:         67.7

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911
APNIC Address Blocks   58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
                       210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                     96248
    Total ARIN prefixes after maximum aggregation:                56825
Prefixes being announced from the ARIN address blocks:            75496
    Unique aggregates announced from the ARIN address blocks:     28704
ARIN Region origin ASes present in the Internet Routing Table:    10570
ARIN Region origin ASes announcing only one prefix:                3949
ARIN Region transit ASes present in the Internet Routing Table:     970
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               290168064
    Equivalent to 17 /8s, 75 /16s and 157 /24s
    Percentage of available ARIN address space announced:          72.1

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                       198/7, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     36287
    Total RIPE prefixes after maximum aggregation:                24373
Prefixes being announced from the RIPE address blocks:            33275
    Unique aggregates announced from the RIPE address blocks:     22475
RIPE Region origin ASes present in the Internet Routing Table:     7719
RIPE Region origin ASes announcing only one prefix:                4038
RIPE Region transit ASes present in the Internet Routing Table:    1295
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               241054336
    Equivalent to 14 /8s, 94 /16s and 50 /24s
    Percentage of available RIPE address space announced:          71.8

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   10251
    Total LACNIC prefixes after maximum aggregation:               3505
Prefixes being announced from the LACNIC address blocks:           8437
    Unique aggregates announced from the LACNIC address blocks:    5111
LACNIC Region origin ASes present in the Internet Routing Table:    677
LACNIC Region origin ASes announcing only one prefix:               222
LACNIC Region transit ASes present in the Internet Routing Table:   122
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC addresses announced to Internet:              25675520
    Equivalent to 1 /8s, 135 /16s and 199 /24s
    Percentage of available LACNIC address space announced:        38.3

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   1927
    Total AfriNIC prefixes after maximum aggregation:               883
Prefixes being announced from the AfriNIC address blocks:          1299
    Unique aggregates announced from the AfriNIC address blocks:    906
AfriNIC Region origin ASes present in the Internet Routing Table:   145
AfriNIC Region origin ASes announcing only one prefix:               42
AfriNIC Region transit ASes present in the Internet Routing Table:   23
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              3780352
    Equivalent to 0 /8s, 57 /16s and 175 /24s
    Percentage of available AfriNIC address space announced:       11.3

AfriNIC AS Blocks      36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4134      988       6928         208   CHINANET-BACKBONE
 4755      864        259          71   Videsh Sanchar Nigam Ltd. Aut
 9583      858        109          15   Sify Limited
 4766      696       3923         298   Korea Telecom (KIX)
 1221      655       1428         469   Telstra Pty Ltd
 9498      536        212          73   BHARTI BT INTERNET LTD.
 7545      516        108          69   TPG Internet Pty Ltd
17488      514         31           7   Hathway IP Over Cable Interne
17676      483       6997         106   Softbank BB Corp.
 9443      411         94          85   Primus Telecommunications
 4802      370         75         161   Wantree Development
 2907      339       1747         316   SINET Japan
 9929      330        216          51   China Netcom Corp.
18101      330         68          23   Reliance Infocom Ltd Internet
17557      320         25         163   Pakistan Telecom
17974      319         60          35   PT TELEKOMUNIKASI INDONESIA
 7474      303        211         231   SingTel Optus Pty Ltd
17849      287         19          93   Telecommunications Technology
 4780      280        226          16   Digital United Inc.
 9837      271         78         167   Powertel Ltd

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1483       6247         959   AT&T WorldNet Services
 4323     1225        711         234   Time Warner Telecom
  721     1016      21962         308   DLA Systems Automation Center
 6197      997        612         464   BellSouth Network Solutions, 
  174      978       5786         923   Cogent Communications
  701      954       8064         788   UUNET Technologies, Inc. 
18566      915        272           8   Covad Communications 
 2386      889        521         673   AT&T Data Communications Serv
 1239      856       2790         607   Sprint 
19029      763        152         113   New Edge Networks 
  209      695       3608         541   Qwest 
20115      668        585         360   Charter Communications 
19262      659       1923         153   Verizon Global Networks 
22773      636       1480          40   Cox Communications, Inc.
11492      634         85          20   Cable One 
 6198      582        502         238   BellSouth Network Solutions, 
  852      571       1088         383   Telus Advanced Communications
  855      570        244          64   Canadian Research Network 
19916      563         49          54   OLM LLC 
 7011      552        195         367   Citizens Utilities 

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      583       1952         459   UUNET - Commercial IP service
 3301      308       1071         293   TeliaNet Sweden
 3352      305       1532          31   Ibernet, Internet Access Netw
 8220      289        475         268   COLT Telecommunications
 3320      277       3477         231   Deutsche Telekom AG
  680      244       2025         241   DFN-IP service G-WiN
 3246      229        487         219   Song Networks
 6746      225         89         197   Dynamic Network Technologies,
 8708      221        274         203   Romania Data Systems S.A.
 1257      204        712         173   SWIPnet Swedish IP Network
 8551      202        197          24   Bezeq International
 3269      191       2037          73   TELECOM ITALIA
 3215      180       1486          86   France Telecom Transpac
 5515      177        839         124   Sonera Solution Autonomous Sy
  786      173       1794         173   The JANET IP Service
24863      170         38           9   LINKdotNET AS number
 5400      167        328         136   BT Ignite European Backbone
 8866      167         37          12   Bulgarian Telecommunication C
 6830      166        765          35   UPC Distribution Services
 3300      164        170          92   AUCS Communications Services 

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      577       1065         221   UniNet S.A. de C.V. 
22047      383        142          10   VTR PUNTO NET S.A. 
11172      313        111          81   Servicios Alestra S.A de C.V 
16814      284         18           7   NSS, S.A. 
14117      184         11           6   Telefonica del Sur S.A. 
 7303      159         75          20   Telecom Argentina Stet-France
 6147      154        126          22   Telefonica Del Peru 
11556      131         80           4   Cable-Wireless Panama 
19169      123          8          30   Telconet 
10481      121         48           8   Prima S.A. 
 6503      118        148          74   AVANTEL, S.A. 
21826      118         15          20   INTERCABLE 
 5639      114         12           9   Telecommunications Services o
 6505      108         88          80   Global One Communicaoes Ltda 
23216      100         20           7   RAMtelecom Telecomunicaciones
18822       99          8          10   TELEFONICA MANQUEHUE 
25620       97          6           3   COTAS LTDA 
 7315       96          6           3   Grupo Rey Moreno 
14522       96         12           8   SatNet S.A. 
19429       94         52          43   E.T.B. 

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      278        819         234   The Internet Solution 
 8452      160         60           7   TEDATA
 2018      122        298         103   Tertiary Education Network 
 5536      122          8          18   Internet Egypt Network
 6713      106        103          12   Itissalat Al-MAGHRIB
15475      104         84           4   Nile Online
 2905       74        155          67   The Internetworking Company o
24835       62         50           7   RAYA Telecom - Egypt
20928       58         16           2   Noor Advanced Technologies AS
 5713       39        294          35   Telkom SA Ltd 
15706       31          8           3   Sudatel Internet Exchange Aut
33774       30          7          21   AS Number for Telecom Algeria
12455       26          6           3   Jambonet Autonomous system
23889       26          8          11   MAURITIUS TELECOM
 8524       24          1           4   AUCEGYPT Autonomous System
16637       23         10          21   Johnnic e-Ventures 
10798       22          1          13   Standard Bank of South Africa
 8346       20         13          17   SONATEL-AS Autonomous System
 2561       19          6           2   Egyptian Universities Network
21280       19          4           4   Swift Global Kenya Ltd.Is an 

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4323      1225         991      Time Warner Telecom
18566       915         907      Covad Communications 
 9583       858         843      Sify Limited
 4755       864         793      Videsh Sanchar Nigam Ltd. Aut
 4134       988         780      CHINANET-BACKBONE
  721      1016         708      DLA Systems Automation Center
19029       763         650      New Edge Networks 
11492       634         614      Cable One 
22773       636         596      Cox Communications, Inc.
 6197       997         533      BellSouth Network Solutions, 
19916       563         509      OLM LLC 
17488       514         507      Hathway IP Over Cable Interne
19262       659         506      Verizon Global Networks 
  855       570         506      Canadian Research Network 
 5668       520         495      CenturyTel Internet Holdings,
 9498       536         463      BHARTI BT INTERNET LTD.
 7757       468         449      AT&T Broadband 
 7545       516         447      TPG Internet Pty Ltd
 3602       523         417      Sprint Canada, Inc. 
  812       438         410      Rogers WAVE 

List of Unregistered ASNs (Global)
----------------------------------

Bad AS  Designation  Network              Transit AS  Description
65211   PRIVATE       61.139.76.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       61.139.77.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.9.0/27         4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.176.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.177.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.178.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.179.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.0.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.1.0/27         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.2.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.3.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.12.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.13.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.14.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.15.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.25.0/25        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.25.128/25      4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.30.0/23        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.32.0/21        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.40.0/26        4134       CHINANET-BACKBONE
65000   PRIVATE       142.46.72.0/24       30147       Simcoe Community Bro
65000   PRIVATE       142.46.73.0/24       30147       Simcoe Community Bro
65000   PRIVATE       142.46.74.0/24       30147       Simcoe Community Bro
65000   PRIVATE       142.46.82.0/24       30147       Simcoe Community Bro
65005   PRIVATE       159.153.148.0/22     24989       IX Europe Frankfurt 
65211   PRIVATE       202.98.123.0/24       4134       CHINANET-BACKBONE
65505   PRIVATE       206.252.200.192/27    8002       Stealth Communicatio
65518   PRIVATE       211.144.192.0/19     24421       *
65211   PRIVATE       218.6.168.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.169.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.170.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.171.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.172.0/25        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.172.128/25      4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.173.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.174.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.175.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.196.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.197.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.198.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.166.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.167.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.168.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.169.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.170.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.171.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.172.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.0.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.1.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.2.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.3.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.4.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.5.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.6.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.7.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.8.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.9.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.10.0/27       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.11.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.12.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.13.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.14.0/23       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.17.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.18.0/23       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.20.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.21.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.0/25       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.128/26     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.192/26     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.23.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.24.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.25.0/25       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.25.128/25     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.26.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.27.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.28.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.29.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       222.211.63.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       222.213.0.0/24        4134       CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
132.0.0.0/10           721     DLA Systems Automation Center
137.0.0.0/13           721     DLA Systems Automation Center
158.0.0.0/13           721     DLA Systems Automation Center
192.43.230.0/24       7575     Australian Academic and Rease
192.44.0.0/24         5501     Fraunhofer Gesellschaft
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
192.72.0.0/18         4780     Digital United Inc.
192.72.0.0/16         4780     Digital United Inc.
192.84.205.0/24        719     LANLINK autonomous system
192.119.135.0/24       270     NASA 
192.172.0.0/19         721     DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:18       /9:9       /10:8       /11:23      /12:90      
/13:203     /14:353     /15:699     /16:8732    /17:3101    /18:5126    
/19:11365   /20:12700   /21:10896   /22:14030   /23:15214   /24:99878   
/25:369     /26:272     /27:214     /28:65      /29:24      /30:33      
/31:0       /32:32      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566      898           915      Covad Communications 
 6197      791           997      BellSouth Network Solutions, 
 7018      772          1483      AT&T WorldNet Services
19029      691           763      New Edge Networks 
 9583      678           858      Sify Limited
11492      625           634      Cable One 
 2386      613           889      AT&T Data Communications Serv
 4323      591          1225      Time Warner Telecom
19916      557           563      OLM LLC 
 4766      505           696      Korea Telecom (KIX)
 7011      469           552      Citizens Utilities 
 7757      450           468      AT&T Broadband 
  855      444           570      Canadian Research Network 
 6198      442           582      BellSouth Network Solutions, 
 5668      402           520      CenturyTel Internet Holdings,
 1239      376           856      Sprint 
  702      367           583      UUNET - Commercial IP service
15270      349           379      PaeTec.net -a division of Pae
 6517      344           373      Yipes Communications, Inc. 
22773      332           636      Cox Communications, Inc.

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:3         8:38       12:1635     13:1        15:12       16:3      
  17:3        18:4        20:44       24:867      25:1        30:2      
  32:67       38:202      40:54       44:3        47:6        52:4      
  55:1        56:3        57:33       58:106      59:160      60:187    
  61:814      62:764      63:1896     64:3066     65:2226     66:3099   
  67:606      68:703      69:1468     70:306      71:61       72:634    
  73:25       74:15       80:742      81:590      82:509      83:380    
  84:334      85:459      86:351      87:198      88:30       89:54     
 124:176     125:264     128:151     129:172     130:103     131:315    
 132:33      133:7       134:146     135:48      136:174     137:65     
 138:192     139:75      140:486     141:134     142:415     143:147    
 144:226     145:39      146:316     147:134     148:337     149:184    
 150:112     151:77      152:63      153:102     154:6       155:184    
 156:94      157:122     158:159     159:176     160:87      161:70     
 162:219     163:144     164:173     165:175     166:147     167:237    
 168:475     169:140     170:322     171:12      172:1       190:36     
 192:5766    193:3410    194:2514    195:1790    196:769     198:3896   
 199:3266    200:4199    201:605     202:6515    203:6877    204:3908   
 205:2089    206:2427    207:2925    208:1998    209:3735    210:1973   
 211:817     212:1281    213:1479    214:340     215:42      216:4043   
 217:1170    218:259     219:166     220:649     221:370     222:159    


End of report