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Sprint internal inconsistency?
AS16604 works fine, AS 22663 does not. I've picked at this for several hours this AM - looks very much like 22663's serial interface, 18.104.22.168/30, is blackholed somewhere inside Sprint. I got a tech who is trying to help, but he is the guy who got stuck with Easter Sunday ... anyone else awake at Sprint?
These machines can't telnet to each other. Protocol capture and varying the telnet source interface on the AS 22663 machine shows 22.214.171.124 can send but receives no return traffic, while the loopback IP is accessible.
Inside AS 16604
description DS3 to Sprint PL#:431846
ip address 126.96.36.199 255.255.255.252
ip route 188.8.131.52 255.255.255.252 184.108.40.206
Inside AS 22663
description 45076451-T, Prominic.net, Inc. (SL-PROMI-1)
ip address 220.127.116.11 255.255.255.252
interface Loopback 0
ip addresss 18.104.22.168 255.255.255.255
ip route 22.214.171.124 255.255.255.252 126.96.36.199
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