BGP map for 121.196.0.0/14

121.196.0.0/14 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 332 peers of 23 RIPE RIS collectors, over 251 different AS paths. Its busiest upstreams are AS17621 China Unicom Shanghai network (92%), AS4816 China Telecom (Group) (7%) and AS24400 Shanghai Mobile Communications Co.,Ltd. (<1%). The most common path, used by 10 peers, is AS24482 AS2914 AS701 AS4837 AS17621 AS37963.

Routes checked 23:16:57 UTC

No change in the origin, the upstreams or the number of peers since 23:16 UTC, when this site first looked at 121.196.0.0/14.

332collector peers

23RIS collectors

251distinct AS paths

5.1average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS17621 China Unicom Shanghai network	306	92%
AS4816 China Telecom (Group)	24	7%
AS24400 Shanghai Mobile Communications Co.,Ltd.	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS17621 China Unicom Shanghai network	306	92%
AS4837 CHINA UNICOM China169 Backbone	305	92%
AS1299 TWELVE99 Arelion Sweden AB	80	24%
AS174 Cogent Communications, LLC	44	13%
AS701 Verizon Business	25	8%
AS5511 Opentransit Orange S.A.	25	8%
AS2914 NTT America, Inc.	24	7%
AS4816 China Telecom (Group)	24	7%
AS4134 No.31,Jin-rong Street	23	7%
AS6939 Hurricane Electric LLC	15	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	AS24482 AS2914 AS701 AS4837 AS17621 AS37963	10	3%	10
2	AS8218 AS4134 AS4816 AS37963	7	2%	6
3	AS199524 AS1299 AS4837 AS17621 AS37963	6	2%	6
4	AS6461 AS4837 AS17621 AS37963	5	2%	5
5	AS12779 AS4837 AS17621 AS37963	4	1%	4
6	AS13030 AS1299 AS4837 AS17621 AS37963	4	1%	4
7	AS9002 AS5511 AS4837 AS17621 AS37963	4	1%	4
8	AS14840 AS701 AS4837 AS17621 AS37963	4	1%	2
9	AS47147 AS1299 AS4837 AS17621 AS37963	4	1%	4
10	AS2914 AS701 AS4837 AS17621 AS37963	3	<1%	3
11	AS48185 AS1299 AS4837 AS17621 AS37963	3	<1%	3
12	AS34927 AS1299 AS4837 AS17621 AS37963	3	<1%	3
13	AS14907 AS1299 AS4837 AS17621 AS37963	3	<1%	3
14	AS51185 AS6762 AS4837 AS17621 AS37963	3	<1%	3
15	AS34019 AS3303 AS4837 AS17621 AS37963	3	<1%	3
16	AS48362 AS1299 AS4837 AS17621 AS37963	3	<1%	3
17	AS3257 AS4134 AS4816 AS37963	2	<1%	2
18	AS6830 AS4837 AS17621 AS37963	2	<1%	2
19	AS1299 AS4837 AS17621 AS37963	2	<1%	2
20	AS6762 AS4837 AS17621 AS37963	2	<1%	2
21	AS51184 AS4837 AS17621 AS37963	2	<1%	2
22	AS3320 AS5511 AS4837 AS17621 AS37963	2	<1%	2
23	AS3491 AS174 AS4837 AS17621 AS37963	2	<1%	2
24	AS62167 AS174 AS4837 AS17621 AS37963	2	<1%	2
25	AS25160 AS174 AS4837 AS17621 AS37963	2	<1%	2
26	AS42473 AS1299 AS4837 AS17621 AS37963	2	<1%	2
27	AS49544 AS3356 AS4837 AS17621 AS37963	2	<1%	1
28	AS31027 AS1299 AS4837 AS17621 AS37963	2	<1%	1
29	AS49544 AS2914 AS4837 AS17621 AS37963	2	<1%	2
30	AS3214 AS58807 AS9808 AS24400 AS37963	2	<1%	2
31	AS15547 AS174 AS4837 AS17621 AS37963	2	<1%	2
32	AS25091 AS5511 AS4837 AS17621 AS37963	2	<1%	2
33	AS47692 AS33891 AS4837 AS17621 AS37963	2	<1%	2
34	AS49544 AS1299 AS4837 AS17621 AS37963	2	<1%	2
35	AS199524 AS174 AS4837 AS17621 AS37963	2	<1%	2
36	AS59890 AS6939 AS4837 AS17621 AS37963	2	<1%	2
37	AS271253 AS3356 AS4837 AS17621 AS37963	2	<1%	1
38	AS35280 AS6453 AS4837 AS17621 AS37963	2	<1%	2
39	AS2497 AS5511 AS4837 AS17621 AS37963	2	<1%	2
40	AS58057 AS34549 AS5511 AS4837 AS17621 AS37963	2	<1%	2
41	AS35710 AS3320 AS5511 AS4837 AS17621 AS37963	2	<1%	2
42	AS20612 AS8758 AS3303 AS4837 AS17621 AS37963	2	<1%	1
43	AS19151 AS2914 AS701 AS4837 AS17621 AS37963	2	<1%	2
44	AS142289 AS9583 AS4755 AS6453 AS4837 AS17621 AS37963	2	<1%	1
45	AS4134 AS4816 AS37963	1	<1%	1
46	AS4837 AS17621 AS37963	1	<1%	1
47	AS5511 AS4837 AS17621 AS37963	1	<1%	1
48	AS1257 AS4134 AS4816 AS37963	1	<1%	1
49	AS2027 AS4134 AS4816 AS37963	1	<1%	1
50	AS8426 AS4134 AS4816 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 15 Sep 2026, 23:16 UTC, fetched just now.