BGP map for 2401:b180:4100::/48

2401:b180:4100::/48 is announced by 2 networks, mostly AS45102 Alibaba (US) Technology Co., Ltd. and seen by 363 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS9002 RETN-AS (40%), AS7473 Singapore Telecommunications Ltd (39%) and AS1299 TWELVE99 (6%). The most common path, used by 19 peers, is AS6939 AS7473 AS45102.

Routes checked 08:37:28 UTC

No change in the origin, the upstreams or the number of peers since 08:37 UTC, when this site first looked at 2401:b180:4100::/48.

AS-path graph toward 2401:b180:4100::/48

origin Tier 1Tier 2edge network prefix best path: chosen by 19 of 363 peers (5%) number on a line = peers using that link RIS data up to 08:37 UTC what the colours mean 12 of 258 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

363collector peers

23RIS collectors

258distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	147	40%
AS7473 Singapore Telecommunications Ltd	143	39%
AS1299 TWELVE99 Arelion Sweden AB	21	6%
AS3491 PCCW Global (HK) Ltd.	14	4%
AS2914 NTT America, Inc.	13	4%
AS3356 Level 3 Parent, LLC	12	3%
AS174 Cogent Communications, LLC	4	1%
AS4837 CHINA UNICOM China169 Backbone	3	<1%
AS4816 China Telecom (Group)	3	<1%
AS1273 IDDQD-AS	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS7473 Singapore Telecommunications Ltd	143	39%
AS9002 RETN-AS RETN Limited	138	38%
AS6939 Hurricane Electric LLC	114	31%
AS1299 TWELVE99 Arelion Sweden AB	19	5%
AS3356 Level 3 Parent, LLC	12	3%
AS3491 PCCW Global (HK) Ltd.	11	3%
AS2914 NTT America, Inc.	10	3%
AS6461 Zayo Bandwidth	4	1%
AS174 Cogent Communications, LLC	4	1%
AS4816 China Telecom (Group)	3	<1%

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	AS6939 AS7473 AS45102	19	5%	16
2	AS24482 AS6939 AS7473 AS45102	11	3%	11
3	AS9002 AS45102	9	2%	8
4	AS8218 AS9002 AS45102	7	2%	6
5	AS6461 AS7473 AS45102	5	1%	5
6	AS13030 AS3491 AS45102	4	1%	4
7	AS199524 AS1299 AS45102	4	1%	4
8	AS14840 AS9002 AS45102	4	1%	2
9	AS12779 AS9002 AS45102	4	1%	4
10	AS34927 AS6939 AS7473 AS45102	4	1%	3
11	AS2914 AS45102	3	<1%	3
12	AS3491 AS45102	3	<1%	3
13	AS34019 AS9002 AS45102	3	<1%	3
14	AS47147 AS9002 AS45102	3	<1%	3
15	AS58057 AS9002 AS45102	3	<1%	2
16	AS35280 AS2914 AS45102	3	<1%	3
17	AS15547 AS9002 AS45102	3	<1%	3
18	AS25091 AS9002 AS45102	3	<1%	3
19	AS48185 AS6939 AS7473 AS45102	3	<1%	3
20	AS1299 AS45102	2	<1%	2
21	AS19151 AS9002 AS45102	2	<1%	2
22	AS51185 AS9002 AS45102	2	<1%	2
23	AS199524 AS9002 AS45102	2	<1%	2
24	AS6762 AS9002 AS45102	2	<1%	2
25	AS852 AS3491 AS45102	2	<1%	2
26	AS50628 AS9002 AS45102	2	<1%	2
27	AS37721 AS1299 AS45102	2	<1%	1
28	AS31027 AS9002 AS45102	2	<1%	1
29	AS6667 AS9002 AS45102	2	<1%	2
30	AS47692 AS9002 AS45102	2	<1%	2
31	AS51184 AS9002 AS45102	2	<1%	2
32	AS12859 AS9002 AS45102	2	<1%	1
33	AS25160 AS9002 AS45102	2	<1%	2
34	AS62167 AS9002 AS45102	2	<1%	2
35	AS59890 AS9002 AS45102	2	<1%	2
36	AS20612 AS9002 AS45102	2	<1%	1
37	AS49544 AS9002 AS45102	2	<1%	2
38	AS1403 AS6939 AS7473 AS45102	2	<1%	1
39	AS49544 AS6939 AS7473 AS45102	2	<1%	2
40	AS3214 AS6461 AS7473 AS45102	2	<1%	2
41	AS48362 AS6939 AS7473 AS45102	2	<1%	2
42	AS202032 AS6939 AS7473 AS45102	2	<1%	2
43	AS28917 AS6939 AS7473 AS45102	2	<1%	1
44	AS142289 AS9583 AS6939 AS7473 AS45102	2	<1%	1
45	AS206271 AS60707 AS12735 AS6939 AS7473 AS45102	2	<1%	1
46	AS4837 AS37963	1	<1%	1
47	AS1273 AS45102	1	<1%	1
48	AS6453 AS45102	1	<1%	1
49	AS2497 AS2914 AS45102	1	<1%	1
50	AS52320 AS9002 AS45102	1	<1%	1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS45102

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 08:37 UTC, fetched just now.