BGP map for 2408:840d:7940::/43

2408:840d:7940::/43 is announced by AS17621 China Unicom Shanghai network and seen by 326 peers of 23 RIPE RIS collectors, over 238 different AS paths. All of those routes reach it through one upstream, AS4837 CHINA UNICOM China169 Backbone. The most common path, used by 9 peers, is AS6939 AS4837 AS17621.

Routes checked 23:21:19 UTC

No change in the origin, the upstreams or the number of peers since 23:21 UTC, when this site first looked at 2408:840d:7940::/43.

AS-path graph toward 2408:840d:7940::/43

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 326 peers (3%) number on a line = peers using that link RIS data up to 23:21 UTC what the colours mean 12 of 238 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

326collector peers

23RIS collectors

238distinct AS paths

4.1average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	326	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	325	100%
AS6939 Hurricane Electric LLC	78	24%
AS1299 TWELVE99 Arelion Sweden AB	61	19%
AS3320 DTAG Deutsche Telekom AG	30	9%
AS174 Cogent Communications, LLC	30	9%
AS2914 NTT America, Inc.	25	8%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	14	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	12	4%
AS3356 Level 3 Parent, LLC	10	3%
AS701 Verizon Business	8	2%

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 AS4837 AS17621	9	3%	9
2	AS24482 AS2914 AS3320 AS4837 AS17621	8	2%	8
3	AS6461 AS4837 AS17621	5	2%	5
4	AS12779 AS4837 AS17621	4	1%	4
5	AS13030 AS3320 AS4837 AS17621	4	1%	4
6	AS199524 AS1299 AS4837 AS17621	4	1%	4
7	AS58057 AS6939 AS4837 AS17621	4	1%	3
8	AS14840 AS6762 AS4837 AS17621	4	1%	2
9	AS2914 AS3320 AS4837 AS17621	3	<1%	3
10	AS14907 AS6939 AS4837 AS17621	3	<1%	3
11	AS48185 AS1299 AS4837 AS17621	3	<1%	3
12	AS34019 AS3303 AS4837 AS17621	3	<1%	3
13	AS48362 AS1299 AS4837 AS17621	3	<1%	3
14	AS35280 AS6453 AS4837 AS17621	3	<1%	3
15	AS15547 AS6939 AS4837 AS17621	3	<1%	3
16	AS25091 AS1299 AS4837 AS17621	3	<1%	3
17	AS9002 AS3356 AS174 AS4837 AS17621	3	<1%	3
18	AS2497 AS4837 AS17621	2	<1%	2
19	AS6762 AS4837 AS17621	2	<1%	2
20	AS1299 AS4837 AS17621	2	<1%	2
21	AS51184 AS4837 AS17621	2	<1%	2
22	AS3320 AS4837 AS17621	2	<1%	2
23	AS6830 AS4837 AS17621	2	<1%	2
24	AS28917 AS4837 AS17621	2	<1%	1
25	AS19151 AS174 AS4837 AS17621	2	<1%	2
26	AS852 AS3320 AS4837 AS17621	2	<1%	2
27	AS34927 AS6939 AS4837 AS17621	2	<1%	1
28	AS37721 AS174 AS4837 AS17621	2	<1%	1
29	AS49544 AS2914 AS4837 AS17621	2	<1%	2
30	AS35710 AS6939 AS4837 AS17621	2	<1%	2
31	AS3257 AS174 AS4837 AS17621	2	<1%	2
32	AS6667 AS1299 AS4837 AS17621	2	<1%	2
33	AS34927 AS1299 AS4837 AS17621	2	<1%	2
34	AS47147 AS3320 AS4837 AS17621	2	<1%	2
35	AS47692 AS6939 AS4837 AS17621	2	<1%	2
36	AS12859 AS1299 AS4837 AS17621	2	<1%	1
37	AS25160 AS174 AS4837 AS17621	2	<1%	2
38	AS47147 AS1299 AS4837 AS17621	2	<1%	2
39	AS49544 AS3320 AS4837 AS17621	2	<1%	2
40	AS3491 AS174 AS4837 AS17621	2	<1%	2
41	AS42473 AS1299 AS4837 AS17621	2	<1%	2
42	AS62167 AS6939 AS4837 AS17621	2	<1%	2
43	AS202032 AS6939 AS4837 AS17621	2	<1%	2
44	AS199524 AS6939 AS4837 AS17621	2	<1%	2
45	AS59890 AS6939 AS4837 AS17621	2	<1%	2
46	AS9002 AS3356 AS701 AS4837 AS17621	2	<1%	2
47	AS24482 AS2914 AS701 AS4837 AS17621	2	<1%	2
48	AS1403 AS577 AS6939 AS4837 AS17621	2	<1%	1
49	AS49544 AS3356 AS701 AS4837 AS17621	2	<1%	1
50	AS31027 AS12552 AS3320 AS4837 AS17621	2	<1%	1

50 of 238 paths shown. All of them are in the JSON.

More prefixes from AS17621

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 23:21 UTC, fetched just now.