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

2a0b:21c0:e000::/36 is announced by AS21859 Zenlayer Inc and seen by 335 peers of 23 RIPE RIS collectors, over 245 different AS paths. All of those routes reach it through one upstream, AS8452 IDDQD-AS. The most common path, used by 11 peers, is AS24482 AS2914 AS3257 AS8452 AS21859.

Routes checked 22:18:17 UTC

No change in the origin, the upstreams or the number of peers since 22:18 UTC, 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 11 of 335 peers (3%) number on a line = peers using that link RIS data up to 22:18 UTC what the colours mean 12 of 245 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

335collector peers

23RIS collectors

245distinct AS paths

4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS8452 IDDQD-AS	335	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS8452 IDDQD-AS	335	100%
AS3257 GTT-BACKBONE GTT Communications Inc.	323	96%
AS6939 Hurricane Electric LLC	62	19%
AS1299 TWELVE99 Arelion Sweden AB	48	14%
AS2914 NTT America, Inc.	29	9%
AS174 Cogent Communications, LLC	15	4%
AS6461 Zayo Bandwidth	9	3%
AS9002 RETN-AS RETN Limited	8	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	6	2%
AS3491 PCCW Global (HK) Ltd.	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	AS24482 AS2914 AS3257 AS8452 AS21859	11	3%	11
2	AS6939 AS3257 AS8452 AS21859	9	3%	9
3	AS8218 AS6461 AS3257 AS8452 AS21859	7	2%	6
4	AS9002 AS3257 AS8452 AS21859	5	1%	5
5	AS199524 AS3257 AS8452 AS21859	5	1%	5
6	AS6461 AS3257 AS8452 AS21859	5	1%	5
7	AS12779 AS3257 AS8452 AS21859	4	1%	4
8	AS13030 AS1299 AS3257 AS8452 AS21859	4	1%	4
9	AS14840 AS174 AS3257 AS8452 AS21859	4	1%	2
10	AS2914 AS3257 AS8452 AS21859	3	<1%	3
11	AS3491 AS3257 AS8452 AS21859	3	<1%	3
12	AS25091 AS3257 AS8452 AS21859	3	<1%	3
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	AS6762 AS8452 AS21859	2	<1%	2
17	AS3257 AS8452 AS21859	2	<1%	2
18	AS2497 AS3257 AS8452 AS21859	2	<1%	2
19	AS852 AS3257 AS8452 AS21859	2	<1%	2
20	AS37721 AS3257 AS8452 AS21859	2	<1%	1
21	AS49544 AS3356 AS8452 AS21859	2	<1%	1
22	AS1299 AS3257 AS8452 AS21859	2	<1%	2
23	AS6667 AS3257 AS8452 AS21859	2	<1%	2
24	AS3320 AS3257 AS8452 AS21859	2	<1%	2
25	AS6830 AS3257 AS8452 AS21859	2	<1%	2
26	AS28917 AS3257 AS8452 AS21859	2	<1%	1
27	AS1403 AS577 AS3257 AS8452 AS21859	2	<1%	1
28	AS14907 AS6939 AS3257 AS8452 AS21859	2	<1%	2
29	AS48185 AS1299 AS3257 AS8452 AS21859	2	<1%	2
30	AS58057 AS34549 AS3257 AS8452 AS21859	2	<1%	2
31	AS34927 AS6939 AS3257 AS8452 AS21859	2	<1%	1
32	AS31027 AS1299 AS3257 AS8452 AS21859	2	<1%	1
33	AS47147 AS3320 AS3257 AS8452 AS21859	2	<1%	2
34	AS47692 AS6939 AS3257 AS8452 AS21859	2	<1%	2
35	AS48362 AS1764 AS3257 AS8452 AS21859	2	<1%	2
36	AS51184 AS6939 AS3257 AS8452 AS21859	2	<1%	2
37	AS12859 AS1299 AS3257 AS8452 AS21859	2	<1%	1
38	AS25160 AS2914 AS3257 AS8452 AS21859	2	<1%	2
39	AS34019 AS35625 AS3257 AS8452 AS21859	2	<1%	2
40	AS47147 AS1299 AS3257 AS8452 AS21859	2	<1%	2
41	AS62167 AS6939 AS3257 AS8452 AS21859	2	<1%	2
42	AS202032 AS6939 AS3257 AS8452 AS21859	2	<1%	2
43	AS35280 AS2914 AS3257 AS8452 AS21859	2	<1%	2
44	AS59890 AS60068 AS3257 AS8452 AS21859	2	<1%	2
45	AS58057 AS6939 AS3257 AS8452 AS21859	2	<1%	1
46	AS142289 AS9583 AS2914 AS3257 AS8452 AS21859	2	<1%	1
47	AS20612 AS9044 AS1299 AS3257 AS8452 AS21859	2	<1%	1
48	AS206271 AS60707 AS12735 AS9121 AS3257 AS8452 AS21859	2	<1%	1
49	AS52320 AS3257 AS8452 AS21859	1	<1%	1
50	AS21700 AS3257 AS8452 AS21859	1	<1%	1

50 of 245 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, 22:18 UTC, fetched just now.