AS701 anycasts any IP?
morrowc.lists at gmail.com
Fri Aug 26 14:48:37 UTC 2022
On Fri, Aug 26, 2022 at 5:49 AM Bjoern Franke via NANOG <nanog at nanog.org> wrote:
> while investigating an issue I was wondering a german IP was only 1-2
> hops away from some RIPE Atlas Probes connected via AS701.
> It seems at least probe #50235 and #54508 see any IP directly as next
> hop, as an example here with the IP of mailop.org:
the 2 probes are in boston, mass vs new york, new york.
The endpoint appears to be closer to the boston probe (54508).
>From virginia/wdc the endpoint is ~100ms away and in ~germany.
(the last hop I see says anx84, which might be norway... 'not boston' though)
Is it possible that 701's seeing a local copy of the /24?
looking at their lookingglass for ping/bgp data from billerica, ma
126.96.36.199/22 (2 entries, 1 announced)
*BGP Preference: 170/-96
Age: 2w2d 6:44:09 Metric: 10 Metric2: 500502
Announcement bits (4): 0-KRT 3-RT 10-BGP_RT_Background
11-Resolve tree 5
AS path: 1299 47147 197540 I (Originator)
PING 188.8.131.52 (184.108.40.206): 56 data bytes
64 bytes from 220.127.116.11: icmp_seq=0 ttl=55 time=102.899 ms
curious results though :)
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