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DNS can sometimes give you a hint
[my nets snipped]
4 t3-1-2-0.ar2.SEA1.gblx.net (64.211.206.113)
20.436 ms 18.309 ms 17.605 ms <------------DS3
5 so1-0-0-2488M.ar4.SEA1.gblx.net (67.17.71.210) 17.607
ms 16.982 ms 16.971 ms <-----OC-48
6
p3-3.IR1.Seattle-WA.us.xo.net (206.111.7.5) 17.864 ms 19.491
ms 17.181 ms
7 p5-1-0-3.RAR1.Seattle-WA.us.xo.net
(65.106.0.197) 17.723 ms 17.632 ms 19.045 ms
8
65.106.0.50 (65.106.0.50) 38.133 ms 39.197 ms 49.961
ms MPLS Label=101549 CoS=0 TTL=1 S=1
9
p0-0-0d0.RAR1.SanJose-CA.us.xo.net (65.106.1.61) 37.669 ms 38.572
ms 36.517 ms
10 p7-0.DCR1.DC-SanJose-CA.us.xo.net
(65.106.2.146) 37.830 ms 36.524 ms 37.743 ms
11
ge1-1.CDR2.DC-SanJose-CA.us.xo.net (209.220.168.10) 38.428 ms 38.050
ms 37.179 ms <-----Gig Ethernet
12 205.158.6.100.ptr.us.xo.net
(205.158.6.100) 40.179 ms 39.784 ms 39.444 ms
13
x218.cd9e6c.sj.concentric.net (205.158.108.218) 39.188 ms 39.723
ms 39.895 ms
However MPLS hidden hops may hide internal paths, and any connection may
be limited to slower than its line rate, and dns entries may be
old....
It's
not publicly available at one source that I'm aware of, and if there is they
don't have my info.
NANOG,
I have a question regarding
information on my ISP’s peering relationships. Are the speeds of some or
all peering relationships public knowledge, and if so, where can I find
this? By speed, I mean bandwidth (DS3, OC3, 100Mbps, 1Gbps, etc.). I
am trying to transfer large stuff from my AS, through my ISP, through another
ISP, to another AS, and I’m wondering how fast the peering point is between the
ISPs. I’m working with my provider to get this information as we speak,
but I’m wondering if it’s available publicly anywhere. If it were, this
could be one way to evaluate providers in the future, I
guess…
Erik
Amundson
A+, N+, CCNA,
CCNP
IT and
Network Manager
Open Access
Technology Int'l, Inc.
Phone (763) 201-2005
Fax (763) 553-2813
mailto:[email protected]
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