BGP map for 2a0b:21c0:b000::/36

2a0b:21c0:b000::/36 is announced by AS21859 Zenlayer Inc and seen by 338 peers of 23 RIPE RIS collectors, over 246 different AS paths. Its busiest upstreams are AS4229 Zenlayer Inc (88%) and AS6762 SEABONE-NET (12%). The most common path, used by 11 peers, is AS24482 AS4229 AS21859.

Routes checked 19:17:26 UTC

No change in the origin, the upstreams or the number of peers since 19:17 UTC, when this site first looked at 2a0b:21c0:b000::/36.

AS-path graph toward 2a0b:21c0:b000::/36

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 338 peers (3%) number on a line = peers using that link RIS data up to 19:16 UTC what the colours mean 12 of 246 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

338collector peers

23RIS collectors

246distinct AS paths

4.0average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	299	88%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	39	12%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	298	88%
AS6939 Hurricane Electric LLC	91	27%
AS2914 NTT America, Inc.	67	20%
AS3257 GTT-BACKBONE GTT Communications Inc.	58	17%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	37	11%
AS3356 Level 3 Parent, LLC	8	2%
AS174 Cogent Communications, LLC	8	2%
AS9002 RETN-AS RETN Limited	7	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	4	1%
AS1299 TWELVE99 Arelion Sweden AB	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 AS4229 AS21859	11	3%	11
2	AS6939 AS4229 AS21859	9	3%	9
3	AS8218 AS4229 AS21859	7	2%	6
4	AS9002 AS3257 AS4229 AS21859	5	1%	5
5	AS13030 AS4229 AS21859	4	1%	4
6	AS14840 AS6762 AS21859	4	1%	2
7	AS58057 AS6939 AS4229 AS21859	4	1%	3
8	AS49544 AS2914 AS4229 AS21859	4	1%	4
9	AS2914 AS4229 AS21859	3	<1%	3
10	AS6461 AS6762 AS21859	3	<1%	3
11	AS34019 AS4229 AS21859	3	<1%	3
12	AS25091 AS4229 AS21859	3	<1%	3
13	AS199524 AS3257 AS4229 AS21859	3	<1%	3
14	AS48185 AS2914 AS4229 AS21859	3	<1%	3
15	AS34927 AS6939 AS4229 AS21859	3	<1%	2
16	AS3214 AS6939 AS4229 AS21859	3	<1%	3
17	AS199524 AS6939 AS4229 AS21859	3	<1%	3
18	AS48362 AS1764 AS2914 AS4229 AS21859	3	<1%	3
19	AS6762 AS21859	2	<1%	2
20	AS8529 AS4229 AS21859	2	<1%	2
21	AS1299 AS4229 AS21859	2	<1%	2
22	AS3257 AS4229 AS21859	2	<1%	2
23	AS19151 AS2914 AS4229 AS21859	2	<1%	2
24	AS14907 AS6939 AS4229 AS21859	2	<1%	2
25	AS37721 AS6939 AS4229 AS21859	2	<1%	1
26	AS35710 AS6939 AS4229 AS21859	2	<1%	2
27	AS6667 AS3257 AS4229 AS21859	2	<1%	2
28	AS12779 AS2914 AS4229 AS21859	2	<1%	2
29	AS47692 AS6939 AS4229 AS21859	2	<1%	2
30	AS51184 AS6939 AS4229 AS21859	2	<1%	2
31	AS199524 AS2914 AS4229 AS21859	2	<1%	2
32	AS6461 AS2914 AS4229 AS21859	2	<1%	2
33	AS12859 AS2914 AS4229 AS21859	2	<1%	1
34	AS25160 AS2914 AS4229 AS21859	2	<1%	2
35	AS47147 AS1299 AS4229 AS21859	2	<1%	2
36	AS3491 AS3257 AS4229 AS21859	2	<1%	2
37	AS12779 AS3257 AS4229 AS21859	2	<1%	2
38	AS62167 AS6939 AS4229 AS21859	2	<1%	2
39	AS917 AS60068 AS4229 AS21859	2	<1%	2
40	AS202032 AS6939 AS4229 AS21859	2	<1%	2
41	AS15547 AS6939 AS4229 AS21859	2	<1%	2
42	AS28917 AS3257 AS4229 AS21859	2	<1%	1
43	AS59890 AS60068 AS4229 AS21859	2	<1%	2
44	AS35280 AS2914 AS4229 AS21859	2	<1%	2
45	AS1403 AS577 AS6939 AS4229 AS21859	2	<1%	1
46	AS49544 AS3356 AS2914 AS4229 AS21859	2	<1%	1
47	AS206271 AS60707 AS12735 AS6762 AS21859	2	<1%	1
48	AS31027 AS3356 AS3257 AS4229 AS21859	2	<1%	1
49	AS142289 AS9583 AS2914 AS4229 AS21859	2	<1%	1
50	AS42473 AS9002 AS3257 AS4229 AS21859	2	<1%	2

50 of 246 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, 19:16 UTC, fetched just now.