BGP map for 23.251.108.0/22

23.251.108.0/22 is announced by AS21859 Zenlayer Inc and seen by 329 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (26%), AS1299 TWELVE99 (26%) and AS174 Cogent Communications, LLC (21%). The most common path, used by 11 peers, is AS24482 AS6461 AS21859.

Routes checked 11:08:41 UTC

Recent route changes

8 Nov 11:08 UTCThe prefix is announced again, seen by 329 collector peers
7 Nov 20:28 UTCNo collector peer sees the prefix any more

AS-path graph toward 23.251.108.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 329 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 255 paths drawn 5 quieter networks left out

View JSON Raw upstream

329collector peers

23RIS collectors

255distinct AS paths

3.3average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	86	26%
AS1299 TWELVE99 Arelion Sweden AB	84	26%
AS174 Cogent Communications, LLC	70	21%
AS2914 NTT America, Inc.	54	16%
AS6939 Hurricane Electric LLC	20	6%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	7	2%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS14907 Wikimedia Foundation Inc.	1	<1%
AS1828 Unitas Global	1	<1%
AS35280 F5 F5 Networks SARL	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	82	25%
AS6461 Zayo Bandwidth	81	25%
AS174 Cogent Communications, LLC	70	21%
AS2914 NTT America, Inc.	51	16%
AS6939 Hurricane Electric LLC	20	6%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	6	2%
AS3356 Level 3 Parent, LLC	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	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	AS24482 AS6461 AS21859	11	3%	11
2	AS8218 AS6461 AS21859	7	2%	6
3	AS6461 AS21859	5	2%	5
4	AS13030 AS6461 AS21859	4	1%	4
5	AS9002 AS2914 AS21859	4	1%	4
6	AS12779 AS6461 AS21859	4	1%	4
7	AS47147 AS1299 AS21859	4	1%	4
8	AS199524 AS1299 AS21859	4	1%	4
9	AS14840 AS174 AS21859	4	1%	2
10	AS2914 AS21859	3	<1%	3
11	AS34927 AS1299 AS21859	3	<1%	3
12	AS48185 AS6461 AS21859	3	<1%	3
13	AS3214 AS6461 AS21859	3	<1%	3
14	AS25091 AS6461 AS21859	3	<1%	3
15	AS48362 AS1299 AS21859	3	<1%	3
16	AS1299 AS21859	2	<1%	2
17	AS49544 AS21859	2	<1%	2
18	AS3320 AS1299 AS21859	2	<1%	2
19	AS3257 AS174 AS21859	2	<1%	2
20	AS25160 AS2914 AS21859	2	<1%	2
21	AS62167 AS174 AS21859	2	<1%	2
22	AS42473 AS1299 AS21859	2	<1%	2
23	AS14907 AS1299 AS21859	2	<1%	2
24	AS199524 AS174 AS21859	2	<1%	2
25	AS8529 AS1299 AS21859	2	<1%	2
26	AS15547 AS174 AS21859	2	<1%	2
27	AS47692 AS2914 AS21859	2	<1%	2
28	AS59890 AS6939 AS21859	2	<1%	2
29	AS35280 AS2914 AS21859	2	<1%	2
30	AS19151 AS2914 AS21859	2	<1%	2
31	AS271253 AS174 AS21859	2	<1%	1
32	AS49544 AS2914 AS21859	2	<1%	2
33	AS58057 AS34549 AS6461 AS21859	2	<1%	2
34	AS51184 AS47692 AS2914 AS21859	2	<1%	2
35	AS35710 AS3320 AS2914 AS21859	2	<1%	2
36	AS20612 AS9044 AS174 AS21859	2	<1%	1
37	AS49544 AS3356 AS1299 AS21859	2	<1%	1
38	AS31027 AS6797 AS6461 AS21859	2	<1%	1
39	AS142289 AS9583 AS6453 AS1299 AS21859	2	<1%	1
40	AS14907 AS21859	1	<1%	1
41	AS1828 AS21859	1	<1%	1
42	AS12956 AS21859	1	<1%	1
43	AS35280 AS21859	1	<1%	1
44	AS36236 AS21859	1	<1%	1
45	AS55720 AS6939 AS21859	1	<1%	1
46	AS7018 AS1299 AS21859	1	<1%	1
47	AS61218 AS6939 AS21859	1	<1%	1
48	AS852 AS6461 AS21859	1	<1%	1
49	AS50300 AS2914 AS21859	1	<1%	1
50	AS58057 AS174 AS21859	1	<1%	1

50 of 255 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.