BGP map for 2a0b:21c0:e000::/36

2a0b:21c0:e000::/36 is announced by AS21859 Zenlayer Inc and seen by 323 peers of 23 RIPE RIS collectors, over 241 different AS paths. All of those routes reach it through one upstream, AS8452 IDDQD-AS. The most common path, used by 9 peers, is AS6939 AS3257 AS8452 AS21859.

Routes checked 17:54:53 UTC

No change in the origin, the upstreams or the number of peers since 03:38 UTC on 30 Oct, when this site first looked at 2a0b:21c0:e000::/36.

AS-path graph toward 2a0b:21c0:e000::/36

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 323 peers (3%) number on a line = peers using that link RIS data up to 17:54 UTC what the colours mean 12 of 241 paths drawn 5 quieter networks left out

View JSON Raw upstream

323collector peers

23RIS collectors

241distinct AS paths

4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS8452 IDDQD-AS	323	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS8452 IDDQD-AS	323	100%
AS3257 GTT-BACKBONE GTT Communications Inc.	320	99%
AS6939 Hurricane Electric LLC	61	19%
AS1299 TWELVE99 Arelion Sweden AB	37	11%
AS2914 NTT America, Inc.	22	7%
AS3356 Level 3 Parent, LLC	21	7%
AS174 Cogent Communications, LLC	14	4%
AS6461 Zayo Bandwidth	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	8	2%
AS9002 RETN-AS RETN Limited	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 AS3257 AS8452 AS21859	9	3%	9
2	AS24482 AS2914 AS3257 AS8452 AS21859	9	3%	9
3	AS8218 AS6461 AS3257 AS8452 AS21859	7	2%	6
4	AS9002 AS3257 AS8452 AS21859	5	2%	5
5	AS6461 AS3257 AS8452 AS21859	5	2%	5
6	AS13030 AS1299 AS3257 AS8452 AS21859	4	1%	4
7	AS199524 AS3257 AS8452 AS21859	3	<1%	3
8	AS2914 AS3257 AS8452 AS21859	3	<1%	3
9	AS12779 AS3257 AS8452 AS21859	3	<1%	3
10	AS3491 AS3257 AS8452 AS21859	3	<1%	3
11	AS25091 AS3257 AS8452 AS21859	3	<1%	3
12	AS14840 AS3356 AS3257 AS8452 AS21859	3	<1%	2
13	AS49544 AS2914 AS3257 AS8452 AS21859	3	<1%	3
14	AS3214 AS6939 AS3257 AS8452 AS21859	3	<1%	3
15	AS15547 AS3303 AS3257 AS8452 AS21859	3	<1%	3
16	AS3257 AS8452 AS21859	2	<1%	2
17	AS2497 AS3257 AS8452 AS21859	2	<1%	2
18	AS6762 AS3257 AS8452 AS21859	2	<1%	2
19	AS852 AS3257 AS8452 AS21859	2	<1%	2
20	AS1299 AS3257 AS8452 AS21859	2	<1%	2
21	AS6667 AS3257 AS8452 AS21859	2	<1%	2
22	AS3320 AS3257 AS8452 AS21859	2	<1%	2
23	AS6830 AS3257 AS8452 AS21859	2	<1%	2
24	AS28917 AS3257 AS8452 AS21859	2	<1%	1
25	AS1403 AS577 AS3257 AS8452 AS21859	2	<1%	1
26	AS58057 AS34549 AS3257 AS8452 AS21859	2	<1%	2
27	AS34927 AS6939 AS3257 AS8452 AS21859	2	<1%	1
28	AS49544 AS3356 AS3257 AS8452 AS21859	2	<1%	1
29	AS34019 AS25091 AS3257 AS8452 AS21859	2	<1%	2
30	AS47147 AS3320 AS3257 AS8452 AS21859	2	<1%	2
31	AS47692 AS6939 AS3257 AS8452 AS21859	2	<1%	2
32	AS48362 AS1764 AS3257 AS8452 AS21859	2	<1%	2
33	AS51184 AS6939 AS3257 AS8452 AS21859	2	<1%	2
34	AS12859 AS1299 AS3257 AS8452 AS21859	2	<1%	1
35	AS25160 AS2914 AS3257 AS8452 AS21859	2	<1%	2
36	AS47147 AS1299 AS3257 AS8452 AS21859	2	<1%	2
37	AS42473 AS1299 AS3257 AS8452 AS21859	2	<1%	2
38	AS62167 AS6939 AS3257 AS8452 AS21859	2	<1%	2
39	AS202032 AS6939 AS3257 AS8452 AS21859	2	<1%	2
40	AS35280 AS3356 AS3257 AS8452 AS21859	2	<1%	2
41	AS59890 AS60068 AS3257 AS8452 AS21859	2	<1%	2
42	AS58057 AS6939 AS3257 AS8452 AS21859	2	<1%	1
43	AS14907 AS6939 AS3257 AS8452 AS21859	2	<1%	2
44	AS142289 AS9583 AS2914 AS3257 AS8452 AS21859	2	<1%	1
45	AS20612 AS8758 AS9002 AS3257 AS8452 AS21859	2	<1%	1
46	AS206271 AS60707 AS12735 AS9121 AS3257 AS8452 AS21859	2	<1%	1
47	AS52320 AS3257 AS8452 AS21859	1	<1%	1
48	AS21700 AS3257 AS8452 AS21859	1	<1%	1
49	AS7018 AS3257 AS8452 AS21859	1	<1%	1
50	AS22652 AS3257 AS8452 AS21859	1	<1%	1

50 of 241 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 17:54 UTC, fetched just now.