North American Network Operators Group

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Re: NATting a whole country?

  • From: Scott Weeks
  • Date: Thu Jan 04 01:18:24 2007

> I wonder what they use the other 241663 addresses for.
> 
> +---------+---------+------+--------------+--------+
> | rir     | country | type | descr        | num    |
> +---------+---------+------+--------------+--------+
> | ripencc | QA      | ipv4 | 81.29.160.0  |   4096 |
> | ripencc | QA      | ipv4 | 82.148.96.0  |   8192 |
> | ripencc | QA      | ipv4 | 86.36.0.0    | 131072 |
> | ripencc | QA      | ipv4 | 86.62.192.0  |  16384 |
> | ripencc | QA      | ipv4 | 89.211.0.0   |  65536 |
> | ripencc | QA      | ipv4 | 212.77.192.0 |   8192 |
> | ripencc | QA      | ipv4 | 213.130.96.0 |   8192 |
> | ripencc | QA      | ipv6 | 2001:1a10::  |     32 |
> +---------+---------+------+--------------+--------+

Just taking the first two ranges...

route-server>sho ip bgp 81.29.160.0
% Network not in table


> nmap -sP 82.148.96.0/24
Nmap finished: 256 IP addresses (71 hosts up)


For example:

Host dialpop01-7300-itn.ispnoc.qa (82.148.96.12) appears to be up.

> tcptraceroute 82.148.96.12
...
 5  sl-gw1-prl-8-0-1.sprintlink.net (144.223.63.169)
...
11  sl-bb20-nyc-8-0.sprintlink.net (144.232.7.13)
...
14  sl-gw23-lon-15-0.sprintlink.net (213.206.128.63)  212.552 ms
15  82.195.188.22 (82.195.188.22)  212.058 ms
16  so-0-0-0.0.cjr03.alx001.flagtel.com (62.216.129.206)  282.853 ms 
17  ge-3-2-0.0.cjr01.alx001.flagtel.com (62.216.134.30)  283.292 ms
18  80.77.1.182 (80.77.1.182)  359.834 ms
...
20  89.211.0.74 (89.211.0.74)  359.881 ms 
21  dialpop01-7300-itn.ispnoc.qa (82.148.96.12) [closed]  325.716 ms



Deep inspection ;-) would probably show this to not be completely true...

scott