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

2a0b:21c0:6000::/36 is announced by AS21859 Zenlayer Inc and seen by 338 peers of 23 RIPE RIS collectors, over 245 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (30%), AS3257 GTT-BACKBONE (28%) and AS2914 NTT America, Inc. (22%). The most common path, used by 11 peers, is AS24482 AS21859.

Routes checked 20:14:07 UTC

No change in the origin, the upstreams or the number of peers since 20:14 UTC, 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 11 of 338 peers (3%) number on a line = peers using that link RIS data up to 20:13 UTC what the colours mean 12 of 245 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

338collector peers

23RIS collectors

245distinct AS paths

3.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	102	30%
AS3257 GTT-BACKBONE GTT Communications Inc.	96	28%
AS2914 NTT America, Inc.	76	22%
AS24482 SG.GS	11	3%
AS25091 IP-Max IP-Max SA	11	3%
AS14840 BR.Digital Telecom	5	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	1%
AS35280 F5 F5 Networks SARL	5	1%
AS33891 CORE-BACKBONE Core-Backbone GmbH	4	1%
AS34927 iFog-GmbH iFog GmbH	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3257 GTT-BACKBONE GTT Communications Inc.	94	28%
AS6939 Hurricane Electric LLC	93	28%
AS2914 NTT America, Inc.	73	22%
AS1299 TWELVE99 Arelion Sweden AB	13	4%
AS6461 Zayo Bandwidth	9	3%
AS25091 IP-Max IP-Max SA	8	2%
AS174 Cogent Communications, LLC	6	2%
AS9002 RETN-AS RETN Limited	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS3356 Level 3 Parent, LLC	5	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 AS21859	11	3%	11
2	AS6939 AS21859	9	3%	9
3	AS8218 AS6461 AS3257 AS21859	7	2%	6
4	AS9002 AS3257 AS21859	5	1%	5
5	AS14840 AS21859	4	1%	2
6	AS13030 AS2914 AS21859	4	1%	4
7	AS14907 AS6939 AS21859	4	1%	4
8	AS6461 AS2914 AS21859	4	1%	4
9	AS2914 AS21859	3	<1%	3
10	AS25091 AS21859	3	<1%	3
11	AS199524 AS3257 AS21859	3	<1%	3
12	AS48185 AS2914 AS21859	3	<1%	3
13	AS34927 AS6939 AS21859	3	<1%	2
14	AS3214 AS6939 AS21859	3	<1%	3
15	AS34019 AS25091 AS21859	3	<1%	3
16	AS199524 AS6939 AS21859	3	<1%	3
17	AS15547 AS6939 AS21859	3	<1%	3
18	AS3257 AS21859	2	<1%	2
19	AS49544 AS21859	2	<1%	2
20	AS212483 AS21859	2	<1%	1
21	AS19151 AS2914 AS21859	2	<1%	2
22	AS6762 AS3257 AS21859	2	<1%	2
23	AS58057 AS34549 AS21859	2	<1%	2
24	AS37721 AS6939 AS21859	2	<1%	1
25	AS49544 AS2914 AS21859	2	<1%	2
26	AS8529 AS6939 AS21859	2	<1%	2
27	AS35710 AS6939 AS21859	2	<1%	2
28	AS1299 AS3257 AS21859	2	<1%	2
29	AS6667 AS3257 AS21859	2	<1%	2
30	AS12779 AS2914 AS21859	2	<1%	2
31	AS47692 AS6939 AS21859	2	<1%	2
32	AS51184 AS6939 AS21859	2	<1%	2
33	AS199524 AS2914 AS21859	2	<1%	2
34	AS3320 AS3257 AS21859	2	<1%	2
35	AS6830 AS3257 AS21859	2	<1%	2
36	AS12859 AS2914 AS21859	2	<1%	1
37	AS25160 AS2914 AS21859	2	<1%	2
38	AS3491 AS3257 AS21859	2	<1%	2
39	AS12779 AS3257 AS21859	2	<1%	2
40	AS62167 AS6939 AS21859	2	<1%	2
41	AS202032 AS6939 AS21859	2	<1%	2
42	AS28917 AS3257 AS21859	2	<1%	1
43	AS59890 AS6939 AS21859	2	<1%	2
44	AS58057 AS6939 AS21859	2	<1%	1
45	AS35280 AS2914 AS21859	2	<1%	2
46	AS1403 AS577 AS6939 AS21859	2	<1%	1
47	AS49544 AS3356 AS2914 AS21859	2	<1%	1
48	AS31027 AS1299 AS3257 AS21859	2	<1%	1
49	AS142289 AS9583 AS2914 AS21859	2	<1%	1
50	AS48362 AS1764 AS2914 AS21859	2	<1%	2

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, 20:13 UTC, fetched just now.