BGP map for 172.87.24.0/21

172.87.24.0/21 is announced by AS21859 Zenlayer Inc and seen by 332 peers of 23 RIPE RIS collectors, over 257 different AS paths. Its busiest upstreams are AS4229 Zenlayer Inc (65%), AS1299 TWELVE99 (20%) and AS6939 Hurricane Electric LLC (9%). The most common path, used by 8 peers, is AS24482 AS6461 AS4229 AS21859.

Routes checked 23:19:30 UTC

No change in the origin, the upstreams or the number of peers since 23:19 UTC, when this site first looked at 172.87.24.0/21.

AS-path graph toward 172.87.24.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 332 peers (2%) number on a line = peers using that link RIS data up to 23:18 UTC what the colours mean 12 of 257 paths drawn 1 quieter network left out

Download PNG View JSON Raw upstream

332collector peers

23RIS collectors

257distinct AS paths

4.0average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	216	65%
AS1299 TWELVE99 Arelion Sweden AB	68	20%
AS6939 Hurricane Electric LLC	31	9%
AS24482 SG.GS	3	<1%
AS137409 GSL Networks Pty LTD	3	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS6057 Administracion Nacional de Telecomunicaciones	2	<1%
AS7195 EDGEUNO S.A.S	2	<1%
AS1828 Unitas Global	1	<1%
AS17639 Converge ICT Solutions Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	216	65%
AS6461 Zayo Bandwidth	127	38%
AS1299 TWELVE99 Arelion Sweden AB	75	23%
AS3257 GTT-BACKBONE GTT Communications Inc.	32	10%
AS2914 NTT America, Inc.	32	10%
AS6939 Hurricane Electric LLC	31	9%
AS3356 Level 3 Parent, LLC	13	4%
AS174 Cogent Communications, LLC	12	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	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	AS24482 AS6461 AS4229 AS21859	8	2%	8
2	AS8218 AS6461 AS4229 AS21859	7	2%	6
3	AS199524 AS1299 AS21859	6	2%	6
4	AS6461 AS4229 AS21859	5	2%	5
5	AS13030 AS6461 AS4229 AS21859	4	1%	4
6	AS12779 AS6461 AS4229 AS21859	4	1%	4
7	AS47147 AS6461 AS4229 AS21859	4	1%	4
8	AS24482 AS21859	3	<1%	3
9	AS2914 AS4229 AS21859	3	<1%	3
10	AS34927 AS1299 AS21859	3	<1%	3
11	AS14907 AS1299 AS21859	3	<1%	3
12	AS48185 AS6461 AS4229 AS21859	3	<1%	3
13	AS3214 AS6461 AS4229 AS21859	3	<1%	3
14	AS25091 AS6461 AS4229 AS21859	3	<1%	3
15	AS48362 AS1299 AS4229 AS21859	3	<1%	3
16	AS14840 AS3356 AS6461 AS4229 AS21859	3	<1%	2
17	AS1299 AS21859	2	<1%	2
18	AS49544 AS21859	2	<1%	2
19	AS8529 AS6939 AS21859	2	<1%	2
20	AS59890 AS6939 AS21859	2	<1%	2
21	AS19151 AS4229 AS21859	2	<1%	2
22	AS917 AS60068 AS4229 AS21859	2	<1%	2
23	AS6830 AS6461 AS4229 AS21859	2	<1%	2
24	AS3320 AS6461 AS4229 AS21859	2	<1%	2
25	AS62167 AS3257 AS4229 AS21859	2	<1%	2
26	AS25160 AS2914 AS4229 AS21859	2	<1%	2
27	AS58057 AS1836 AS1299 AS21859	2	<1%	2
28	AS49544 AS2914 AS4229 AS21859	2	<1%	2
29	AS35280 AS2914 AS4229 AS21859	2	<1%	2
30	AS34019 AS6461 AS4229 AS21859	2	<1%	2
31	AS15547 AS6461 AS4229 AS21859	2	<1%	2
32	AS47692 AS2914 AS4229 AS21859	2	<1%	2
33	AS199524 AS3257 AS4229 AS21859	2	<1%	2
34	AS9002 AS3257 AS4229 AS21859	2	<1%	2
35	AS58057 AS34549 AS6461 AS4229 AS21859	2	<1%	2
36	AS49544 AS3356 AS6461 AS4229 AS21859	2	<1%	1
37	AS142289 AS9583 AS6453 AS1299 AS21859	2	<1%	1
38	AS31027 AS12552 AS6461 AS4229 AS21859	2	<1%	1
39	AS35710 AS3320 AS3257 AS4229 AS21859	2	<1%	2
40	AS51184 AS47692 AS2914 AS4229 AS21859	2	<1%	2
41	AS20612 AS8758 AS6461 AS4229 AS21859	2	<1%	1
42	AS271253 AS3356 AS6461 AS4229 AS21859	2	<1%	1
43	AS1828 AS21859	1	<1%	1
44	AS17639 AS21859	1	<1%	1
45	AS6057 AS21859	1	<1%	1
46	AS36236 AS21859	1	<1%	1
47	AS51185 AS21859	1	<1%	1
48	AS36924 AS1299 AS21859	1	<1%	1
49	AS6424 AS1299 AS21859	1	<1%	1
50	AS12969 AS1299 AS21859	1	<1%	1

50 of 257 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 23:18 UTC, fetched just now.