BGP map for 2408:400d::/33

2408:400d::/33 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 330 peers of 23 RIPE RIS collectors, over 250 different AS paths. Its busiest upstreams are AS4811 China Telecom (Group) (60%), AS17621 China Unicom Shanghai network (30%) and AS24400 Shanghai Mobile Communications Co.,Ltd. (10%). The most common path, used by 7 peers, is AS8218 AS6461 AS4134 AS4811 AS37963.

Routes checked 11:18:39 UTC

Recent route changes

29 Oct 23:05 UTCAS24400 Shanghai Mobile Communications Co.,Ltd. became an upstream, used by 10% of peers

330collector peers

23RIS collectors

250distinct AS paths

5.0average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	197	60%
AS17621 China Unicom Shanghai network	100	30%
AS24400 Shanghai Mobile Communications Co.,Ltd.	33	10%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	197	60%
AS4134 No.31,Jin-rong Street	196	59%
AS17621 China Unicom Shanghai network	100	30%
AS4837 CHINA UNICOM China169 Backbone	99	30%
AS6939 Hurricane Electric LLC	64	19%
AS58453 China Mobile International Limited	33	10%
AS9808 China Mobile Communications Group Co., Ltd.	33	10%
AS24400 Shanghai Mobile Communications Co.,Ltd.	33	10%
AS174 Cogent Communications, LLC	20	6%
AS3320 DTAG Deutsche Telekom AG	17	5%

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	AS8218 AS6461 AS4134 AS4811 AS37963	7	2%	6
2	AS24482 AS2914 AS58453 AS9808 AS24400 AS37963	6	2%	6
3	AS9002 AS4134 AS4811 AS37963	5	2%	5
4	AS6461 AS4134 AS4811 AS37963	5	2%	5
5	AS6939 AS4837 AS17621 AS37963	5	2%	5
6	AS6939 AS4134 AS4811 AS37963	4	1%	4
7	AS13030 AS3320 AS4837 AS17621 AS37963	4	1%	4
8	AS58057 AS6939 AS4837 AS17621 AS37963	4	1%	3
9	AS12779 AS4837 AS17621 AS37963	3	<1%	3
10	AS34019 AS4134 AS4811 AS37963	3	<1%	3
11	AS3491 AS4134 AS4811 AS37963	3	<1%	3
12	AS25091 AS4134 AS4811 AS37963	3	<1%	3
13	AS24482 AS58453 AS9808 AS24400 AS37963	3	<1%	3
14	AS2914 AS58453 AS9808 AS24400 AS37963	3	<1%	3
15	AS14907 AS6939 AS4134 AS4811 AS37963	3	<1%	3
16	AS48185 AS3356 AS4134 AS4811 AS37963	3	<1%	3
17	AS14840 AS6762 AS4134 AS4811 AS37963	3	<1%	2
18	AS48362 AS1764 AS4134 AS4811 AS37963	3	<1%	3
19	AS15547 AS3303 AS4134 AS4811 AS37963	3	<1%	3
20	AS2497 AS4134 AS4811 AS37963	2	<1%	2
21	AS6762 AS4134 AS4811 AS37963	2	<1%	2
22	AS3257 AS4134 AS4811 AS37963	2	<1%	2
23	AS47692 AS4134 AS4811 AS37963	2	<1%	2
24	AS51184 AS4837 AS17621 AS37963	2	<1%	2
25	AS3320 AS4134 AS4811 AS37963	2	<1%	2
26	AS6830 AS4134 AS4811 AS37963	2	<1%	2
27	AS28917 AS4134 AS4811 AS37963	2	<1%	1
28	AS19151 AS58453 AS9808 AS24400 AS37963	2	<1%	2
29	AS199524 AS3491 AS4134 AS4811 AS37963	2	<1%	2
30	AS49544 AS3356 AS4134 AS4811 AS37963	2	<1%	1
31	AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	2
32	AS6667 AS3257 AS4134 AS4811 AS37963	2	<1%	2
33	AS47147 AS3320 AS4837 AS17621 AS37963	2	<1%	2
34	AS25160 AS174 AS4134 AS4811 AS37963	2	<1%	2
35	AS917 AS60068 AS4134 AS4811 AS37963	2	<1%	2
36	AS202032 AS6939 AS4837 AS17621 AS37963	2	<1%	2
37	AS59890 AS60068 AS4134 AS4811 AS37963	2	<1%	2
38	AS35280 AS6453 AS4134 AS4811 AS37963	2	<1%	2
39	AS1403 AS577 AS6939 AS4134 AS4811 AS37963	2	<1%	1
40	AS12859 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	1
41	AS47147 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	2
42	AS42473 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	2
43	AS20612 AS8758 AS3303 AS4134 AS4811 AS37963	2	<1%	1
44	AS206271 AS60707 AS12735 AS6762 AS4134 AS4811 AS37963	2	<1%	1
45	AS142289 AS9583 AS1299 AS3320 AS4837 AS17621 AS37963	2	<1%	1
46	AS4837 AS17621 AS37963	1	<1%	1
47	AS4134 AS4811 AS37963	1	<1%	1
48	AS7018 AS4134 AS4811 AS37963	1	<1%	1
49	AS6057 AS4134 AS4811 AS37963	1	<1%	1
50	AS1257 AS4134 AS4811 AS37963	1	<1%	1

50 of 250 paths shown. All of them are in the JSON.

More prefixes from AS37963

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 11:17 UTC, fetched just now.