BGP map for 8.157.128.0/17

8.157.128.0/17 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 334 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS4816 China Telecom (Group) (81%) and AS135061 China Unicom Guangdong IP network (19%). The most common path, used by 11 peers, is AS24482 AS2914 AS4134 AS4816 AS37963.

Routes checked 03:37:23 UTC

No change in the origin, the upstreams or the number of peers since 03:37 UTC, when this site first looked at 8.157.128.0/17.

AS-path graph toward 8.157.128.0/17

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 334 peers (3%) number on a line = peers using that link RIS data up to 03:37 UTC what the colours mean 12 of 255 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

334collector peers

23RIS collectors

255distinct AS paths

4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4816 China Telecom (Group)	272	81%
AS135061 China Unicom Guangdong IP network	62	19%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4816 China Telecom (Group)	272	81%
AS4134 No.31,Jin-rong Street	271	81%
AS135061 China Unicom Guangdong IP network	62	19%
AS4837 CHINA UNICOM China169 Backbone	61	18%
AS1299 TWELVE99 Arelion Sweden AB	54	16%
AS2914 NTT America, Inc.	31	9%
AS174 Cogent Communications, LLC	29	9%
AS3356 Level 3 Parent, LLC	24	7%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	8	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	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	AS24482 AS2914 AS4134 AS4816 AS37963	11	3%	11
2	AS8218 AS4134 AS4816 AS37963	7	2%	6
3	AS199524 AS1299 AS4134 AS4816 AS37963	6	2%	6
4	AS6461 AS4134 AS4816 AS37963	5	1%	5
5	AS12779 AS4837 AS135061 AS37963	4	1%	4
6	AS13030 AS1299 AS4134 AS4816 AS37963	4	1%	4
7	AS14840 AS701 AS4837 AS135061 AS37963	4	1%	2
8	AS2914 AS4134 AS4816 AS37963	3	<1%	3
9	AS3491 AS4134 AS4816 AS37963	3	<1%	3
10	AS9002 AS4134 AS4816 AS37963	3	<1%	3
11	AS34019 AS4134 AS4816 AS37963	3	<1%	3
12	AS25091 AS4134 AS4816 AS37963	3	<1%	3
13	AS34927 AS1299 AS4134 AS4816 AS37963	3	<1%	3
14	AS49544 AS2914 AS4134 AS4816 AS37963	3	<1%	3
15	AS51185 AS6762 AS4837 AS135061 AS37963	3	<1%	3
16	AS3257 AS4134 AS4816 AS37963	2	<1%	2
17	AS6830 AS4134 AS4816 AS37963	2	<1%	2
18	AS3320 AS4134 AS4816 AS37963	2	<1%	2
19	AS1299 AS4134 AS4816 AS37963	2	<1%	2
20	AS8529 AS4134 AS4816 AS37963	2	<1%	2
21	AS6762 AS4837 AS135061 AS37963	2	<1%	2
22	AS51184 AS4134 AS4816 AS37963	2	<1%	2
23	AS47692 AS4134 AS4816 AS37963	2	<1%	2
24	AS2497 AS4134 AS4816 AS37963	2	<1%	2
25	AS917 AS60068 AS4134 AS4816 AS37963	2	<1%	2
26	AS25160 AS174 AS4134 AS4816 AS37963	2	<1%	2
27	AS42473 AS1299 AS4134 AS4816 AS37963	2	<1%	2
28	AS58057 AS1836 AS4134 AS4816 AS37963	2	<1%	2
29	AS49544 AS3356 AS4134 AS4816 AS37963	2	<1%	1
30	AS31027 AS1299 AS4134 AS4816 AS37963	2	<1%	1
31	AS35710 AS3320 AS4134 AS4816 AS37963	2	<1%	2
32	AS3214 AS4809 AS4134 AS4816 AS37963	2	<1%	2
33	AS14907 AS1299 AS4134 AS4816 AS37963	2	<1%	2
34	AS15547 AS174 AS4134 AS4816 AS37963	2	<1%	2
35	AS48362 AS1764 AS4134 AS4816 AS37963	2	<1%	2
36	AS47147 AS3320 AS4134 AS4816 AS37963	2	<1%	2
37	AS199524 AS174 AS4134 AS4816 AS37963	2	<1%	2
38	AS47147 AS1299 AS4134 AS4816 AS37963	2	<1%	2
39	AS59890 AS60068 AS4134 AS4816 AS37963	2	<1%	2
40	AS271253 AS3356 AS4134 AS4816 AS37963	2	<1%	1
41	AS19151 AS2914 AS4134 AS4816 AS37963	2	<1%	2
42	AS58057 AS34549 AS5511 AS4837 AS135061 AS37963	2	<1%	2
43	AS20612 AS8758 AS3303 AS4134 AS4816 AS37963	2	<1%	1
44	AS142289 AS9583 AS4755 AS6453 AS4837 AS135061 AS37963	2	<1%	1
45	AS4134 AS4816 AS37963	1	<1%	1
46	AS4837 AS135061 AS37963	1	<1%	1
47	AS5511 AS4837 AS135061 AS37963	1	<1%	1
48	AS7018 AS4134 AS4816 AS37963	1	<1%	1
49	AS6057 AS4134 AS4816 AS37963	1	<1%	1
50	AS1257 AS4134 AS4816 AS37963	1	<1%	1

50 of 255 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, 03:37 UTC, fetched just now.