I am not a direct customer of either of them, but have a lot of endpont sites in Quebec which go through 6543 and 577. Anyone from either of those networks know whats up ? Since we usually go through Chicago to reach them, this is the only reason we noticed. There are other prefixes involved, not just the /16 From the teleglobe LG in Chicago, Type escape sequence to abort. Tracing the route to 199.243.35.3 1 if-2-0.core2.Chicago3.teleglobe.net (66.110.14.166) [MPLS: Label 21 Exp 0] 12 msec 12 msec 12 msec 2 if-9-0.core2.Scarborough.Teleglobe.net (207.45.222.181) 12 msec 12 msec 8 msec 3 ix-7-0.core2.Scarborough.Teleglobe.net (207.45.198.2) 28 msec 24 msec 24 msec 4 * * * 5 * * * 6 * * * 7 * * * vs out of newyork, its fine Type escape sequence to abort. Tracing the route to 199.243.35.3 1 if-8-0.core3.NewYork.Teleglobe.net (64.86.83.154) [MPLS: Label 74 Exp 0] 204 msec 204 msec 200 msec 2 if-9-0.core2.Montreal.Teleglobe.net (207.45.222.110) 204 msec 208 msec 8 msec 3 ix-8-0.core2.Montreal.Teleglobe.net (207.45.204.46) 204 msec 204 msec 216 msec 4 core4-montreal02-pos6-2.in.bellnexxia.net (206.108.107.61) 200 msec 200 msec 204 msec 5 64.230.243.238 204 msec 12 msec 12 msec 6 64.230.242.94 16 msec 16 msec 16 msec 7 64.230.242.86 56 msec 52 msec 56 msec 8 64.230.248.178 64 msec 60 msec 60 msec 9 64.230.251.18 464 msec 200 msec 200 msec 10 199.243.35.3 [AS 577] 488 msec 320 msec 444 msec The lg from Chicago says, BGP routing table entry for 199.243.0.0/16, version 4127369 Paths: (2 available, best #2) Advertised to peer-groups: reflector-client Advertised to non peer-group peers: 66.110.14.2 204.255.169.17 206.223.119.39 206.223.138.254 577, (aggregated by 577 206.108.96.201) 207.45.220.252 (metric 45) from 207.45.223.231 (207.45.223.231) Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate Community: 6453:1000 6453:1200 6453:1203 Originator: 207.45.220.252, Cluster list: 207.45.223.231 577, (aggregated by 577 206.108.96.201) 207.45.220.252 (metric 45) from 207.45.222.246 (207.45.222.246) Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate, best Community: 6453:1000 6453:1200 6453:1203 Originator: 207.45.220.252, Cluster list: 207.45.222.246 -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike