BGP map for 2401:b180:7800::/37

2401:b180:7800::/37 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 328 peers of 23 RIPE RIS collectors, over 248 different AS paths. Its busiest upstreams are AS4811 China Telecom (Group) (58%), AS17621 China Unicom Shanghai network (31%) and AS24400 Shanghai Mobile Communications Co.,Ltd. (11%). The most common path, used by 7 peers, is AS8218 AS6461 AS4134 AS4811 AS37963.

Routes checked 12:04:47 UTC

No change in the origin, the upstreams or the number of peers since 04:33 UTC on 27 Oct, when this site first looked at 2401:b180:7800::/37.

328collector peers

23RIS collectors

248distinct AS paths

5.0average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	190	58%
AS17621 China Unicom Shanghai network	101	31%
AS24400 Shanghai Mobile Communications Co.,Ltd.	37	11%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	190	58%
AS4134 No.31,Jin-rong Street	189	58%
AS17621 China Unicom Shanghai network	101	31%
AS4837 CHINA UNICOM China169 Backbone	100	30%
AS6939 Hurricane Electric LLC	63	19%
AS58453 China Mobile International Limited	37	11%
AS9808 China Mobile Communications Group Co., Ltd.	37	11%
AS24400 Shanghai Mobile Communications Co.,Ltd.	37	11%
AS174 Cogent Communications, LLC	19	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	AS34019 AS4134 AS4811 AS37963	3	<1%	3
10	AS3491 AS4134 AS4811 AS37963	3	<1%	3
11	AS25091 AS4134 AS4811 AS37963	3	<1%	3
12	AS24482 AS58453 AS9808 AS24400 AS37963	3	<1%	3
13	AS2914 AS58453 AS9808 AS24400 AS37963	3	<1%	3
14	AS14907 AS6939 AS4134 AS4811 AS37963	3	<1%	3
15	AS48185 AS3356 AS4134 AS4811 AS37963	3	<1%	3
16	AS14840 AS6762 AS4134 AS4811 AS37963	3	<1%	2
17	AS48362 AS1764 AS4134 AS4811 AS37963	3	<1%	3
18	AS15547 AS3303 AS4134 AS4811 AS37963	3	<1%	3
19	AS2497 AS4134 AS4811 AS37963	2	<1%	2
20	AS6762 AS4134 AS4811 AS37963	2	<1%	2
21	AS3257 AS4134 AS4811 AS37963	2	<1%	2
22	AS12779 AS4837 AS17621 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	AS49544 AS58453 AS9808 AS24400 AS37963	2	<1%	2
36	AS917 AS60068 AS4134 AS4811 AS37963	2	<1%	2
37	AS202032 AS6939 AS4837 AS17621 AS37963	2	<1%	2
38	AS59890 AS60068 AS4134 AS4811 AS37963	2	<1%	2
39	AS35280 AS6453 AS4134 AS4811 AS37963	2	<1%	2
40	AS1403 AS577 AS6939 AS4134 AS4811 AS37963	2	<1%	1
41	AS12859 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	1
42	AS47147 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	2
43	AS42473 AS1299 AS58453 AS9808 AS24400 AS37963	2	<1%	2
44	AS20612 AS8758 AS3303 AS4134 AS4811 AS37963	2	<1%	1
45	AS206271 AS60707 AS12735 AS6939 AS4837 AS17621 AS37963	2	<1%	1
46	AS142289 AS9583 AS1299 AS3320 AS4837 AS17621 AS37963	2	<1%	1
47	AS4837 AS17621 AS37963	1	<1%	1
48	AS4134 AS4811 AS37963	1	<1%	1
49	AS7018 AS4134 AS4811 AS37963	1	<1%	1
50	AS6057 AS4134 AS4811 AS37963	1	<1%	1

50 of 248 paths shown. All of them are in the JSON.

More prefixes from AS37963

Routes seen by RIPE RIS in the 24 hours up to 7 Nov 2026, 12:03 UTC, fetched 21 hours ago.