BGP map for 203.181.194.0/23

203.181.194.0/23 is announced by AS7660 Asia Pacific Advanced Network - Japan and seen by 330 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS2516 KDDI CORPORATION (67%), AS2907 Research Organization of Information and Systems, National Institute of Informatics (13%) and AS6939 Hurricane Electric LLC (11%). The most common path, used by 11 peers, is AS24482 AS7660.

Routes checked 11:19:41 UTC

Recent route changes

8 Nov 11:19 UTCThe prefix is announced again, seen by 330 collector peers
7 Nov 21:02 UTCNo collector peer sees the prefix any more

AS-path graph toward 203.181.194.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 330 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 260 paths drawn 7 quieter networks left out

View JSON Raw upstream

330collector peers

23RIS collectors

260distinct AS paths

4.0average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS2516 KDDI CORPORATION	221	67%
AS2907 Research Organization of Information and Systems, National Institute of Informatics	43	13%
AS6939 Hurricane Electric LLC	35	11%
AS24482 SG.GS	11	3%
AS2500 WIDE Project	7	2%
AS24287 National Institute of Informatics	4	1%
AS1828 Unitas Global	1	<1%
AS4777 Asia Pacific Network Information Centre	1	<1%
AS59105 Home NOC Operators Group	1	<1%
AS49544 i3Dnet i3D.net B.V	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2516 KDDI CORPORATION	220	67%
AS1299 TWELVE99 Arelion Sweden AB	67	20%
AS174 Cogent Communications, LLC	50	15%
AS2907 Research Organization of Information and Systems, National Institute of Informatics	43	13%
AS6939 Hurricane Electric LLC	35	11%
AS3257 GTT-BACKBONE GTT Communications Inc.	26	8%
AS2497 Internet Initiative Japan Inc.	18	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	14	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	11	3%
AS3320 DTAG Deutsche Telekom AG	11	3%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#	Path, collector peer to origin	Peers	Share	Collectors
1	AS24482 AS7660	11	3%	11
2	AS13030 AS2516 AS7660	4	1%	4
3	AS12779 AS3257 AS2516 AS7660	4	1%	4
4	AS14840 AS701 AS2516 AS7660	4	1%	2
5	AS48185 AS1299 AS2516 AS7660	3	<1%	3
6	AS14907 AS1299 AS2516 AS7660	3	<1%	3
7	AS2914 AS2497 AS2907 AS7660	3	<1%	3
8	AS9002 AS3257 AS2516 AS7660	3	<1%	3
9	AS6461 AS2497 AS2907 AS7660	3	<1%	3
10	AS34019 AS3303 AS6939 AS7660	3	<1%	3
11	AS48362 AS1299 AS2516 AS7660	3	<1%	3
12	AS51185 AS6762 AS2516 AS7660	3	<1%	3
13	AS8218 AS6461 AS174 AS2516 AS7660	3	<1%	2
14	AS8218 AS6461 AS2497 AS2907 AS7660	3	<1%	3
15	AS3320 AS2516 AS7660	2	<1%	2
16	AS6830 AS2516 AS7660	2	<1%	2
17	AS1299 AS2516 AS7660	2	<1%	2
18	AS49544 AS2516 AS7660	2	<1%	2
19	AS8529 AS6939 AS7660	2	<1%	2
20	AS59890 AS6939 AS7660	2	<1%	2
21	AS2497 AS2907 AS7660	2	<1%	2
22	AS19151 AS2516 AS7660	2	<1%	2
23	AS6762 AS2516 AS7660	2	<1%	2
24	AS3491 AS2497 AS2907 AS7660	2	<1%	2
25	AS6424 AS174 AS2516 AS7660	2	<1%	2
26	AS25160 AS174 AS2516 AS7660	2	<1%	2
27	AS62167 AS174 AS2516 AS7660	2	<1%	2
28	AS42473 AS1299 AS2516 AS7660	2	<1%	2
29	AS34927 AS1299 AS2516 AS7660	2	<1%	2
30	AS199524 AS174 AS2516 AS7660	2	<1%	2
31	AS47147 AS1299 AS2516 AS7660	2	<1%	2
32	AS15547 AS3303 AS6939 AS7660	2	<1%	2
33	AS47147 AS3320 AS2516 AS7660	2	<1%	2
34	AS47692 AS33891 AS2516 AS7660	2	<1%	2
35	AS199524 AS1299 AS2516 AS7660	2	<1%	2
36	AS35710 AS3320 AS2516 AS7660	2	<1%	2
37	AS199524 AS3491 AS2516 AS7660	2	<1%	2
38	AS25091 AS1299 AS2516 AS7660	2	<1%	2
39	AS142289 AS9583 AS2500 AS7660	2	<1%	1
40	AS31027 AS1299 AS2516 AS7660	2	<1%	1
41	AS58057 AS34549 AS1299 AS2516 AS7660	2	<1%	2
42	AS917 AS60068 AS174 AS2516 AS7660	2	<1%	2
43	AS51184 AS47692 AS33891 AS2516 AS7660	2	<1%	2
44	AS20612 AS8758 AS8220 AS2907 AS7660	2	<1%	1
45	AS49544 AS3356 AS701 AS2516 AS7660	2	<1%	1
46	AS7660	1	<1%	1
47	AS1828 AS7660	1	<1%	1
48	AS4777 AS7660	1	<1%	1
49	AS2500 AS7660	1	<1%	1
50	AS59105 AS7660	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS7660

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched 7 hours ago.