BGP map for 2a0b:21c0:6000::/36

2a0b:21c0:6000::/36 is announced by AS21859 Zenlayer Inc and seen by 316 peers of 23 RIPE RIS collectors, over 238 different AS paths. Its busiest upstreams are AS2914 NTT America, Inc. (55%), AS3257 GTT-BACKBONE (41%) and AS14840 BR.Digital Telecom (2%). The most common path, used by 9 peers, is AS24482 AS2914 AS21859.

Routes checked 04:59:17 UTC

No change in the origin, the upstreams or the number of peers since 10:43 UTC on 29 Oct, when this site first looked at 2a0b:21c0:6000::/36.

AS-path graph toward 2a0b:21c0:6000::/36

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 316 peers (3%) number on a line = peers using that link RIS data up to 04:58 UTC what the colours mean 12 of 238 paths drawn 3 quieter networks left out

View JSON Raw upstream

316collector peers

23RIS collectors

238distinct AS paths

3.7average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	173	55%
AS3257 GTT-BACKBONE GTT Communications Inc.	131	41%
AS14840 BR.Digital Telecom	5	2%
AS212483 level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD	2	<1%
AS37721 Virtual Technologies & Solutions	1	<1%
AS198150 SIACOM-AS SIACOM JSC	1	<1%
AS60171 AFRIX-AS AFR-IX TELECOM S.A.	1	<1%
AS286 KPN GTT Communications Inc.	1	<1%
AS4230 CLARO S.A.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	170	54%
AS3257 GTT-BACKBONE GTT Communications Inc.	129	41%
AS6939 Hurricane Electric LLC	50	16%
AS1299 TWELVE99 Arelion Sweden AB	33	10%
AS174 Cogent Communications, LLC	10	3%
AS6461 Zayo Bandwidth	8	3%
AS3356 Level 3 Parent, LLC	8	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS3320 DTAG Deutsche Telekom AG	5	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	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 AS2914 AS21859	9	3%	9
2	AS6939 AS2914 AS21859	8	3%	8
3	AS8218 AS6461 AS2914 AS21859	6	2%	5
4	AS9002 AS3257 AS21859	5	2%	5
5	AS6461 AS2914 AS21859	5	2%	5
6	AS14840 AS21859	4	1%	2
7	AS49544 AS2914 AS21859	4	1%	4
8	AS13030 AS1299 AS3257 AS21859	4	1%	4
9	AS2914 AS21859	3	<1%	3
10	AS48185 AS2914 AS21859	3	<1%	3
11	AS35280 AS2914 AS21859	3	<1%	3
12	AS3214 AS6939 AS2914 AS21859	3	<1%	3
13	AS15547 AS3303 AS3257 AS21859	3	<1%	3
14	AS3257 AS21859	2	<1%	2
15	AS212483 AS21859	2	<1%	1
16	AS19151 AS2914 AS21859	2	<1%	2
17	AS199524 AS3257 AS21859	2	<1%	2
18	AS14907 AS2914 AS21859	2	<1%	2
19	AS1299 AS3257 AS21859	2	<1%	2
20	AS6667 AS3257 AS21859	2	<1%	2
21	AS47692 AS2914 AS21859	2	<1%	2
22	AS199524 AS2914 AS21859	2	<1%	2
23	AS12859 AS2914 AS21859	2	<1%	1
24	AS25160 AS2914 AS21859	2	<1%	2
25	AS12779 AS3257 AS21859	2	<1%	2
26	AS25091 AS3257 AS21859	2	<1%	2
27	AS28917 AS3257 AS21859	2	<1%	1
28	AS1403 AS577 AS3257 AS21859	2	<1%	1
29	AS58057 AS34549 AS2914 AS21859	2	<1%	2
30	AS34927 AS6939 AS2914 AS21859	2	<1%	1
31	AS49544 AS3356 AS2914 AS21859	2	<1%	1
32	AS142289 AS9583 AS2914 AS21859	2	<1%	1
33	AS34927 AS1299 AS3257 AS21859	2	<1%	2
34	AS47147 AS3320 AS3257 AS21859	2	<1%	2
35	AS48362 AS1764 AS2914 AS21859	2	<1%	2
36	AS51184 AS6939 AS2914 AS21859	2	<1%	2
37	AS47147 AS1299 AS3257 AS21859	2	<1%	2
38	AS42473 AS1299 AS3257 AS21859	2	<1%	2
39	AS62167 AS6939 AS2914 AS21859	2	<1%	2
40	AS202032 AS6939 AS2914 AS21859	2	<1%	2
41	AS59890 AS60068 AS2914 AS21859	2	<1%	2
42	AS58057 AS6939 AS2914 AS21859	2	<1%	1
43	AS20612 AS8758 AS9002 AS3257 AS21859	2	<1%	1
44	AS206271 AS60707 AS12735 AS9121 AS3257 AS21859	2	<1%	1
45	AS37721 AS21859	1	<1%	1
46	AS198150 AS21859	1	<1%	1
47	AS2497 AS3257 AS21859	1	<1%	1
48	AS2500 AS2914 AS21859	1	<1%	1
49	AS25152 AS2914 AS21859	1	<1%	1
50	AS52320 AS3257 AS21859	1	<1%	1

50 of 238 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 04:58 UTC, fetched just now.