BGP map for 2a0a:1800:21::/48

2a0a:1800:21::/48 is announced by AS49915 MEGAPORT and seen by 320 peers of 23 RIPE RIS collectors, over 242 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (69%), AS3257 GTT-BACKBONE (30%) and AS286 KPN (<1%). The most common path, used by 9 peers, is AS6939 AS6461 AS49915.

Routes checked 20:34:22 UTC

No change in the origin, the upstreams or the number of peers since 14:17 UTC on 28 Oct, when this site first looked at 2a0a:1800:21::/48.

AS-path graph toward 2a0a:1800:21::/48

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 320 peers (3%) number on a line = peers using that link RIS data up to 20:34 UTC what the colours mean 12 of 242 paths drawn 6 quieter networks left out

View JSON Raw upstream

320collector peers

23RIS collectors

242distinct AS paths

3.6average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	222	69%
AS3257 GTT-BACKBONE GTT Communications Inc.	97	30%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	217	68%
AS3257 GTT-BACKBONE GTT Communications Inc.	95	30%
AS6939 Hurricane Electric LLC	41	13%
AS1299 TWELVE99 Arelion Sweden AB	25	8%
AS2914 NTT America, Inc.	10	3%
AS3356 Level 3 Parent, LLC	7	2%
AS174 Cogent Communications, LLC	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	5	2%
AS3491 PCCW Global (HK) Ltd.	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	AS6939 AS6461 AS49915	9	3%	9
2	AS24482 AS6461 AS49915	9	3%	9
3	AS8218 AS6461 AS49915	7	2%	6
4	AS6461 AS49915	5	2%	5
5	AS9002 AS3257 AS49915	4	1%	4
6	AS13030 AS6461 AS49915	4	1%	4
7	AS14840 AS6461 AS49915	4	1%	2
8	AS199524 AS3257 AS49915	3	<1%	3
9	AS12779 AS6461 AS49915	3	<1%	3
10	AS34019 AS6461 AS49915	3	<1%	3
11	AS47147 AS6461 AS49915	3	<1%	3
12	AS15547 AS6461 AS49915	3	<1%	3
13	AS25091 AS6461 AS49915	3	<1%	3
14	AS14907 AS6939 AS6461 AS49915	3	<1%	3
15	AS3257 AS49915	2	<1%	2
16	AS2497 AS3257 AS49915	2	<1%	2
17	AS2914 AS6461 AS49915	2	<1%	2
18	AS6762 AS3257 AS49915	2	<1%	2
19	AS852 AS6461 AS49915	2	<1%	2
20	AS8529 AS6461 AS49915	2	<1%	2
21	AS3214 AS6461 AS49915	2	<1%	2
22	AS6667 AS6461 AS49915	2	<1%	2
23	AS51184 AS6461 AS49915	2	<1%	2
24	AS3320 AS6461 AS49915	2	<1%	2
25	AS12859 AS6461 AS49915	2	<1%	1
26	AS49544 AS6461 AS49915	2	<1%	2
27	AS28917 AS6461 AS49915	2	<1%	1
28	AS3491 AS3257 AS49915	2	<1%	2
29	AS1403 AS577 AS6461 AS49915	2	<1%	1
30	AS58057 AS34549 AS6461 AS49915	2	<1%	2
31	AS49544 AS3356 AS6461 AS49915	2	<1%	1
32	AS49544 AS2914 AS6461 AS49915	2	<1%	2
33	AS34927 AS1299 AS3257 AS49915	2	<1%	2
34	AS47692 AS6939 AS6461 AS49915	2	<1%	2
35	AS48362 AS1764 AS3257 AS49915	2	<1%	2
36	AS25160 AS2914 AS6461 AS49915	2	<1%	2
37	AS62167 AS6939 AS6461 AS49915	2	<1%	2
38	AS202032 AS6939 AS6461 AS49915	2	<1%	2
39	AS59890 AS60068 AS3257 AS49915	2	<1%	2
40	AS20612 AS8758 AS6461 AS49915	2	<1%	1
41	AS58057 AS6939 AS6461 AS49915	2	<1%	1
42	AS142289 AS9583 AS2914 AS6461 AS49915	2	<1%	1
43	AS206271 AS60707 AS12735 AS9121 AS3257 AS49915	2	<1%	1
44	AS52320 AS3257 AS49915	1	<1%	1
45	AS21700 AS3257 AS49915	1	<1%	1
46	AS7018 AS6461 AS49915	1	<1%	1
47	AS17639 AS6461 AS49915	1	<1%	1
48	AS22652 AS3257 AS49915	1	<1%	1
49	AS50300 AS3257 AS49915	1	<1%	1
50	AS34549 AS6461 AS49915	1	<1%	1

50 of 242 paths shown. All of them are in the JSON.

More prefixes from AS49915

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 20:34 UTC, fetched just now.