BGP map for 120.136.176.0/22

120.136.176.0/22 is announced by AS17621 China Unicom Shanghai network and seen by 332 peers of 23 RIPE RIS collectors, over 251 different AS paths. All of those routes reach it through one upstream, AS4837 CHINA UNICOM China169 Backbone. The most common path, used by 10 peers, is AS24482 AS2914 AS3356 AS4837 AS17621.

Routes checked 22:09:42 UTC

No change in the origin, the upstreams or the number of peers since 22:09 UTC, when this site first looked at 120.136.176.0/22.

AS-path graph toward 120.136.176.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 332 peers (3%) number on a line = peers using that link RIS data up to 22:09 UTC what the colours mean 12 of 251 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

332collector peers

23RIS collectors

251distinct AS paths

4.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	332	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4837 CHINA UNICOM China169 Backbone	331	100%
AS1299 TWELVE99 Arelion Sweden AB	90	27%
AS174 Cogent Communications, LLC	42	13%
AS2914 NTT America, Inc.	23	7%
AS3356 Level 3 Parent, LLC	21	6%
AS6939 Hurricane Electric LLC	21	6%
AS5511 Opentransit Orange S.A.	18	5%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	17	5%
AS6461 Zayo Bandwidth	9	3%
AS4134 No.31,Jin-rong Street	9	3%

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 AS3356 AS4837 AS17621	10	3%	10
2	AS8218 AS6461 AS4837 AS17621	7	2%	6
3	AS199524 AS1299 AS4837 AS17621	6	2%	6
4	AS6461 AS4837 AS17621	5	2%	5
5	AS12779 AS4837 AS17621	4	1%	4
6	AS13030 AS1299 AS4837 AS17621	4	1%	4
7	AS9002 AS5511 AS4837 AS17621	4	1%	4
8	AS14840 AS701 AS4837 AS17621	4	1%	2
9	AS47147 AS1299 AS4837 AS17621	4	1%	4
10	AS2914 AS3356 AS4837 AS17621	3	<1%	3
11	AS3491 AS174 AS4837 AS17621	3	<1%	3
12	AS48185 AS1299 AS4837 AS17621	3	<1%	3
13	AS14907 AS1299 AS4837 AS17621	3	<1%	3
14	AS51185 AS6762 AS4837 AS17621	3	<1%	3
15	AS25091 AS4134 AS4837 AS17621	3	<1%	3
16	AS48362 AS1299 AS4837 AS17621	3	<1%	3
17	AS3214 AS10099 AS9929 AS4837 AS17621	3	<1%	3
18	AS3257 AS4837 AS17621	2	<1%	2
19	AS6830 AS4837 AS17621	2	<1%	2
20	AS1299 AS4837 AS17621	2	<1%	2
21	AS6762 AS4837 AS17621	2	<1%	2
22	AS51184 AS4837 AS17621	2	<1%	2
23	AS2497 AS4837 AS17621	2	<1%	2
24	AS62167 AS174 AS4837 AS17621	2	<1%	2
25	AS25160 AS174 AS4837 AS17621	2	<1%	2
26	AS42473 AS1299 AS4837 AS17621	2	<1%	2
27	AS34927 AS1299 AS4837 AS17621	2	<1%	2
28	AS49544 AS3356 AS4837 AS17621	2	<1%	1
29	AS31027 AS1299 AS4837 AS17621	2	<1%	1
30	AS49544 AS2914 AS4837 AS17621	2	<1%	2
31	AS34019 AS4134 AS4837 AS17621	2	<1%	2
32	AS15547 AS174 AS4837 AS17621	2	<1%	2
33	AS47692 AS33891 AS4837 AS17621	2	<1%	2
34	AS49544 AS1299 AS4837 AS17621	2	<1%	2
35	AS199524 AS6453 AS4837 AS17621	2	<1%	2
36	AS59890 AS6939 AS4837 AS17621	2	<1%	2
37	AS271253 AS3356 AS4837 AS17621	2	<1%	1
38	AS35280 AS6453 AS4837 AS17621	2	<1%	2
39	AS19151 AS174 AS4837 AS17621	2	<1%	2
40	AS58057 AS34549 AS5511 AS4837 AS17621	2	<1%	2
41	AS35710 AS3320 AS5511 AS4837 AS17621	2	<1%	2
42	AS20612 AS9044 AS1299 AS4837 AS17621	2	<1%	1
43	AS142289 AS9583 AS4755 AS6453 AS4837 AS17621	2	<1%	1
44	AS4837 AS17621	1	<1%	1
45	AS5511 AS4837 AS17621	1	<1%	1
46	AS680 AS4837 AS17621	1	<1%	1
47	AS58299 AS4837 AS17621	1	<1%	1
48	AS12956 AS4837 AS17621	1	<1%	1
49	AS6453 AS4837 AS17621	1	<1%	1
50	AS8455 AS4837 AS17621	1	<1%	1

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

More prefixes from AS17621

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 22:09 UTC, fetched just now.