AS3257 GTT-BACKBONE GTT Communications Inc.

AS3257 GTT-BACKBONE announces 1,773 IPv4 prefixes and 80 IPv6 prefixes. The map below is for 67.100.0.0/14, the largest of them that RIPE RIS can see: 333 collector peers reach it over 262 AS paths, most often through AS1299 TWELVE99 (21%).

AS-path graph toward 67.100.0.0/14

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 333 peers (3%) number on a line = peers using that link RIS data up to 15:47 UTC what the colours mean 12 of 262 paths drawn 4 quieter networks left out

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Upstreams of 67.100.0.0/14

Networks directly in front of the origin, counted over the paths the collector peers use.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	70	21%
AS2914 NTT America, Inc.	34	10%
AS3356 Level 3 Parent, LLC	22	7%
AS174 Cogent Communications, LLC	22	7%
AS6461 Zayo Bandwidth	15	5%
AS9002 RETN-AS RETN Limited	14	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	11	3%
AS25091 IP-Max IP-Max SA	9	3%
AS3491 PCCW Global (HK) Ltd.	8	2%
AS3320 DTAG Deutsche Telekom AG	7	2%

IPv4 prefixes (1,773)

The 200 largest are listed. All 1,773 on RIPEstat.

IPv6 prefixes (80)

Prefixes announced in the last two weeks, as seen by RIPE RIS.