BGP map for 166.111.0.0/16

166.111.0.0/16 is announced by AS4538 China Education and Research Network Center and seen by 375 peers of 23 RIPE RIS collectors, over 276 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (44%), AS58453 China Mobile International Limited (22%) and AS1299 TWELVE99 (9%). The most common path, used by 22 peers, is AS6939 AS4538.

Routes checked 12:35:58 UTC

No change in the origin, the upstreams or the number of peers since 18:20 UTC on 25 Oct, when this site first looked at 166.111.0.0/16.

AS-path graph toward 166.111.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 22 of 375 peers (6%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 276 paths drawn 4 quieter networks left out

View JSON Raw upstream

375collector 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	166	44%
AS58453 China Mobile International Limited	83	22%
AS1299 TWELVE99 Arelion Sweden AB	34	9%
AS174 Cogent Communications, LLC	25	7%
AS3491 PCCW Global (HK) Ltd.	21	6%
AS2914 NTT America, Inc.	15	4%
AS4635 Hong Kong Internet Exchange--Route Server 1	13	3%
AS20965 GEANT GEANT Vereniging	6	2%
AS4837 CHINA UNICOM China169 Backbone	5	1%
AS23911 China Next Generation Internet Beijing IX	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	144	38%
AS58453 China Mobile International Limited	82	22%
AS1299 TWELVE99 Arelion Sweden AB	32	9%
AS174 Cogent Communications, LLC	25	7%
AS3491 PCCW Global (HK) Ltd.	18	5%
AS4635 Hong Kong Internet Exchange--Route Server 1	13	3%
AS2914 NTT America, Inc.	12	3%
AS8966 Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC	7	2%
AS35280 F5 F5 Networks SARL	6	2%
AS20965 GEANT GEANT Vereniging	6	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	AS6939 AS4538	22	6%	18
2	AS24482 AS58453 AS4538	10	3%	10
3	AS8218 AS6939 AS4538	7	2%	6
4	AS13030 AS3491 AS4538	4	1%	4
5	AS9002 AS58453 AS4538	4	1%	4
6	AS6461 AS58453 AS4538	4	1%	4
7	AS12779 AS58453 AS4538	4	1%	4
8	AS47147 AS1299 AS4538	4	1%	4
9	AS199524 AS58453 AS4538	4	1%	4
10	AS14840 AS58453 AS4538	4	1%	2
11	AS2914 AS4538	3	<1%	3
12	AS3491 AS4538	3	<1%	3
13	AS34927 AS6939 AS4538	3	<1%	2
14	AS48185 AS6939 AS4538	3	<1%	3
15	AS25091 AS58453 AS4538	3	<1%	3
16	AS48362 AS6939 AS4538	3	<1%	3
17	AS34019 AS29169 AS35280 AS8966 AS4635 AS4538	3	<1%	3
18	AS1299 AS4538	2	<1%	2
19	AS50628 AS6939 AS4538	2	<1%	2
20	AS58057 AS6939 AS4538	2	<1%	2
21	AS14907 AS6939 AS4538	2	<1%	2
22	AS3320 AS1299 AS4538	2	<1%	2
23	AS6424 AS6939 AS4538	2	<1%	2
24	AS25160 AS58453 AS4538	2	<1%	2
25	AS62167 AS6939 AS4538	2	<1%	2
26	AS42473 AS1299 AS4538	2	<1%	2
27	AS14907 AS3491 AS4538	2	<1%	2
28	AS199524 AS174 AS4538	2	<1%	2
29	AS8529 AS1299 AS4538	2	<1%	2
30	AS15547 AS174 AS4538	2	<1%	2
31	AS47692 AS2914 AS4538	2	<1%	2
32	AS51184 AS6939 AS4538	2	<1%	2
33	AS59890 AS174 AS4538	2	<1%	2
34	AS2497 AS4837 AS4538	2	<1%	2
35	AS202032 AS6939 AS4538	2	<1%	2
36	AS19151 AS58453 AS4538	2	<1%	2
37	AS51185 AS58453 AS4538	2	<1%	2
38	AS6762 AS1299 AS4538	2	<1%	2
39	AS35710 AS58453 AS4538	2	<1%	2
40	AS271253 AS6939 AS4538	2	<1%	1
41	AS20612 AS6939 AS4538	2	<1%	1
42	AS49544 AS6939 AS4538	2	<1%	2
43	AS31027 AS6939 AS4538	2	<1%	1
44	AS3214 AS58807 AS58453 AS4538	2	<1%	2
45	AS142289 AS9583 AS58453 AS4538	2	<1%	1
46	AS24482 AS4538	1	<1%	1
47	AS58453 AS4538	1	<1%	1
48	AS49544 AS4538	1	<1%	1
49	AS36236 AS4538	1	<1%	1
50	AS38855 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, 09:59 UTC, fetched just now.