BGP map for 1.51.0.0/16

1.51.0.0/16 is announced by AS4538 China Education and Research Network Center and seen by 369 peers of 23 RIPE RIS collectors, over 276 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (49%), AS58453 China Mobile International Limited (25%) and AS1299 TWELVE99 (11%). The most common path, used by 21 peers, is AS6939 AS4538.

Routes checked 13:44:56 UTC

No change in the origin, the upstreams or the number of peers since 10:17 UTC on 26 Oct, when this site first looked at 1.51.0.0/16.

AS-path graph toward 1.51.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 21 of 369 peers (6%) number on a line = peers using that link RIS data up to 13:44 UTC what the colours mean 12 of 276 paths drawn 5 quieter networks left out

View JSON Raw upstream

369collector peers

23RIS collectors

276distinct AS paths

3.1average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	179	49%
AS58453 China Mobile International Limited	93	25%
AS1299 TWELVE99 Arelion Sweden AB	41	11%
AS2914 NTT America, Inc.	21	6%
AS4635 Hong Kong Internet Exchange--Route Server 1	12	3%
AS4134 No.31,Jin-rong Street	7	2%
AS20965 GEANT GEANT Vereniging	5	1%
AS4837 CHINA UNICOM China169 Backbone	4	1%
AS23911 China Next Generation Internet Beijing IX	3	<1%
AS24482 SG.GS	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	158	43%
AS58453 China Mobile International Limited	92	25%
AS1299 TWELVE99 Arelion Sweden AB	39	11%
AS2914 NTT America, Inc.	18	5%
AS4635 Hong Kong Internet Exchange--Route Server 1	12	3%
AS8966 Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC	7	2%
AS4134 No.31,Jin-rong Street	7	2%
AS35280 F5 F5 Networks SARL	6	2%
AS20965 GEANT GEANT Vereniging	5	1%
AS174 Cogent Communications, LLC	5	1%

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	AS6939 AS4538	21	6%	17
2	AS24482 AS58453 AS4538	9	2%	9
3	AS8218 AS6939 AS4538	7	2%	6
4	AS6461 AS58453 AS4538	5	1%	5
5	AS13030 AS6939 AS4538	4	1%	4
6	AS9002 AS58453 AS4538	4	1%	4
7	AS14840 AS58453 AS4538	4	1%	2
8	AS199524 AS58453 AS4538	4	1%	4
9	AS47147 AS1299 AS4538	4	1%	4
10	AS2914 AS4538	3	<1%	3
11	AS12779 AS58453 AS4538	3	<1%	3
12	AS48185 AS6939 AS4538	3	<1%	3
13	AS34927 AS6939 AS4538	3	<1%	2
14	AS25091 AS58453 AS4538	3	<1%	3
15	AS48362 AS6939 AS4538	3	<1%	3
16	AS34019 AS29169 AS35280 AS8966 AS4635 AS4538	3	<1%	3
17	AS1299 AS4538	2	<1%	2
18	AS3491 AS1299 AS4538	2	<1%	2
19	AS62167 AS6939 AS4538	2	<1%	2
20	AS6424 AS6939 AS4538	2	<1%	2
21	AS25160 AS58453 AS4538	2	<1%	2
22	AS42473 AS1299 AS4538	2	<1%	2
23	AS50628 AS6939 AS4538	2	<1%	2
24	AS58057 AS6939 AS4538	2	<1%	2
25	AS14907 AS6939 AS4538	2	<1%	2
26	AS49544 AS6939 AS4538	2	<1%	2
27	AS31027 AS6939 AS4538	2	<1%	1
28	AS35710 AS58453 AS4538	2	<1%	2
29	AS8529 AS4134 AS4538	2	<1%	2
30	AS51185 AS58453 AS4538	2	<1%	2
31	AS15547 AS58453 AS4538	2	<1%	2
32	AS51184 AS6939 AS4538	2	<1%	2
33	AS47692 AS2914 AS4538	2	<1%	2
34	AS49544 AS58453 AS4538	2	<1%	2
35	AS59890 AS6939 AS4538	2	<1%	2
36	AS20612 AS6939 AS4538	2	<1%	1
37	AS202032 AS6939 AS4538	2	<1%	2
38	AS271253 AS6939 AS4538	2	<1%	1
39	AS2497 AS4837 AS4538	2	<1%	2
40	AS19151 AS58453 AS4538	2	<1%	2
41	AS142289 AS9583 AS58453 AS4538	2	<1%	1
42	AS3214 AS4809 AS4134 AS4538	2	<1%	2
43	AS24482 AS4538	1	<1%	1
44	AS36236 AS4538	1	<1%	1
45	AS49544 AS4538	1	<1%	1
46	AS58453 AS4538	1	<1%	1
47	AS15692 AS2914 AS4538	1	<1%	1
48	AS48070 AS6939 AS4538	1	<1%	1
49	AS6894 AS6939 AS4538	1	<1%	1
50	AS31742 AS6939 AS4538	1	<1%	1

50 of 276 paths shown. All of them are in the JSON.

More prefixes from AS4538

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 13:44 UTC, fetched just now.