AS2497 Internet Initiative Japan Inc.

AS2497 Internet Initiative Japan Inc. announces 258 IPv4 prefixes and 11 IPv6 prefixes. The map below is for 172.122.0.0/15, the largest of them that RIPE RIS can see: 324 collector peers reach it over 258 AS paths, most often through AS1299 TWELVE99 (18%).

Routes checked 06:17:54 UTC

Recent route changes

30 Oct 21:32 UTCAS6939 Hurricane Electric LLC became an upstream, used by 5% of peers

AS-path graph toward 172.122.0.0/15

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 324 peers (2%) number on a line = peers using that link RIS data up to 06:17 UTC what the colours mean 12 of 258 paths drawn 6 quieter networks left out

View JSON Raw upstream Full map of 172.122.0.0/15 →

Upstreams of 172.122.0.0/15

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

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	58	18%
AS2914 NTT America, Inc.	42	13%
AS174 Cogent Communications, LLC	41	13%
AS3356 Level 3 Parent, LLC	28	9%
AS6939 Hurricane Electric LLC	16	5%
AS6461 Zayo Bandwidth	15	5%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	13	4%
AS3320 DTAG Deutsche Telekom AG	11	3%
AS3257 GTT-BACKBONE GTT Communications Inc.	10	3%
AS5511 Opentransit Orange S.A.	10	3%

IPv4 prefixes (258)

The 200 largest are listed. All 258 on RIPEstat.

IPv6 prefixes (11)

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