AS3300 BT British Telecommunications Limited

AS3300 BT announces 123 IPv4 prefixes and 29 IPv6 prefixes. The map below is for 205.248.0.0/16, the largest of them that RIPE RIS can see: 330 collector peers reach it over 251 AS paths, most often through AS2914 NTT America, Inc. (68%).

Routes checked 10:18:19 UTC

No change in the origin, the upstreams or the number of peers since 10:18 UTC, when this site first looked at 205.248.0.0/16.

AS-path graph toward 205.248.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 330 peers (3%) number on a line = peers using that link RIS data up to 10:17 UTC what the colours mean 12 of 251 paths drawn 2 quieter networks left out

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Upstreams of 205.248.0.0/16

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

Network	Peers	Share
AS2914 NTT America, Inc.	225	68%
AS9002 RETN-AS RETN Limited	39	12%
AS6939 Hurricane Electric LLC	19	6%
AS3303 SWISSCOM Swisscom (Schweiz) AG	11	3%
AS8220 COLT COLT Technology Services Group Limited	6	2%
AS14840 BR.Digital Telecom	5	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	4	1%
AS199524 GCORE G-Core Labs S.A.	3	<1%
AS2497 Internet Initiative Japan Inc.	3	<1%
AS37468 Angola Cables	3	<1%

IPv4 prefixes (123)

IPv6 prefixes (29)

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