BGP map for 2408:400c::/33

2408:400c::/33 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 337 peers of 23 RIPE RIS collectors, over 251 different AS paths. Its busiest upstreams are AS23724 IDC, China Telecommunications Corporation (77%) and AS4808 China Unicom Beijing Province Network (23%). The most common path, used by 11 peers, is AS24482 AS2914 AS4134 AS23724 AS37963.

Routes checked 06:42:41 UTC

No change in the origin, the upstreams or the number of peers since 06:42 UTC, when this site first looked at 2408:400c::/33.

AS-path graph toward 2408:400c::/33

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 337 peers (3%) number on a line = peers using that link RIS data up to 06:42 UTC what the colours mean 12 of 251 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

337collector peers

23RIS collectors

251distinct AS paths

4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS23724 IDC, China Telecommunications Corporation	259	77%
AS4808 China Unicom Beijing Province Network	78	23%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS23724 IDC, China Telecommunications Corporation	259	77%
AS4134 No.31,Jin-rong Street	258	77%
AS4808 China Unicom Beijing Province Network	78	23%
AS4837 CHINA UNICOM China169 Backbone	77	23%
AS6939 Hurricane Electric LLC	52	15%
AS1299 TWELVE99 Arelion Sweden AB	42	12%
AS2914 NTT America, Inc.	25	7%
AS3356 Level 3 Parent, LLC	19	6%
AS174 Cogent Communications, LLC	17	5%
AS3320 DTAG Deutsche Telekom AG	14	4%

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 AS2914 AS4134 AS23724 AS37963	11	3%	11
2	AS8218 AS6461 AS4134 AS23724 AS37963	7	2%	6
3	AS6461 AS4134 AS23724 AS37963	5	1%	5
4	AS6939 AS4837 AS4808 AS37963	5	1%	5
5	AS199524 AS1299 AS4134 AS23724 AS37963	5	1%	5
6	AS6939 AS4134 AS23724 AS37963	4	1%	4
7	AS9002 AS4134 AS23724 AS37963	4	1%	4
8	AS12779 AS4837 AS4808 AS37963	4	1%	4
9	AS13030 AS3320 AS4837 AS4808 AS37963	4	1%	4
10	AS58057 AS6939 AS4837 AS4808 AS37963	4	1%	3
11	AS2914 AS4134 AS23724 AS37963	3	<1%	3
12	AS34019 AS4134 AS23724 AS37963	3	<1%	3
13	AS3491 AS4134 AS23724 AS37963	3	<1%	3
14	AS25091 AS4134 AS23724 AS37963	3	<1%	3
15	AS14907 AS6939 AS4134 AS23724 AS37963	3	<1%	3
16	AS14840 AS3356 AS4134 AS23724 AS37963	3	<1%	2
17	AS15547 AS3303 AS4134 AS23724 AS37963	3	<1%	3
18	AS2497 AS4134 AS23724 AS37963	2	<1%	2
19	AS6762 AS4134 AS23724 AS37963	2	<1%	2
20	AS1299 AS4134 AS23724 AS37963	2	<1%	2
21	AS3257 AS4134 AS23724 AS37963	2	<1%	2
22	AS47692 AS4134 AS23724 AS37963	2	<1%	2
23	AS51184 AS4837 AS4808 AS37963	2	<1%	2
24	AS3320 AS4134 AS23724 AS37963	2	<1%	2
25	AS6830 AS4134 AS23724 AS37963	2	<1%	2
26	AS28917 AS4134 AS23724 AS37963	2	<1%	1
27	AS19151 AS174 AS4134 AS23724 AS37963	2	<1%	2
28	AS34927 AS6939 AS4837 AS4808 AS37963	2	<1%	1
29	AS37721 AS174 AS4134 AS23724 AS37963	2	<1%	1
30	AS49544 AS3356 AS4134 AS23724 AS37963	2	<1%	1
31	AS49544 AS2914 AS4134 AS23724 AS37963	2	<1%	2
32	AS34927 AS1299 AS4134 AS23724 AS37963	2	<1%	2
33	AS47147 AS3320 AS4837 AS4808 AS37963	2	<1%	2
34	AS48362 AS1764 AS4134 AS23724 AS37963	2	<1%	2
35	AS25160 AS174 AS4134 AS23724 AS37963	2	<1%	2
36	AS47147 AS1299 AS4134 AS23724 AS37963	2	<1%	2
37	AS49544 AS3320 AS4837 AS4808 AS37963	2	<1%	2
38	AS42473 AS1299 AS4134 AS23724 AS37963	2	<1%	2
39	AS917 AS60068 AS4134 AS23724 AS37963	2	<1%	2
40	AS202032 AS6939 AS4837 AS4808 AS37963	2	<1%	2
41	AS59890 AS60068 AS4134 AS23724 AS37963	2	<1%	2
42	AS1403 AS577 AS6939 AS4134 AS23724 AS37963	2	<1%	1
43	AS31027 AS12552 AS3320 AS4837 AS4808 AS37963	2	<1%	1
44	AS142289 AS9583 AS2914 AS4134 AS23724 AS37963	2	<1%	1
45	AS20612 AS8758 AS3303 AS4134 AS23724 AS37963	2	<1%	1
46	AS206271 AS60707 AS12735 AS6762 AS4134 AS23724 AS37963	2	<1%	1
47	AS4837 AS4808 AS37963	1	<1%	1
48	AS4134 AS23724 AS37963	1	<1%	1
49	AS7018 AS4134 AS23724 AS37963	1	<1%	1
50	AS6057 AS4134 AS23724 AS37963	1	<1%	1

50 of 251 paths shown. All of them are in the JSON.

More prefixes from AS37963

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 06:42 UTC, fetched 6 hours ago.