BGP map for 2a01:1000::/21

2a01:1000::/21 is announced by AS5617 TPNET and seen by 322 peers of 23 RIPE RIS collectors, over 235 different AS paths. Its busiest upstreams are AS5511 Opentransit (83%), AS1299 TWELVE99 (16%) and AS49544 i3Dnet (<1%). The most common path, used by 9 peers, is AS6939 AS5511 AS5617.

Routes checked 03:18:03 UTC

No change in the origin, the upstreams or the number of peers since 16:21 UTC on 25 Oct, when this site first looked at 2a01:1000::/21.

AS-path graph toward 2a01:1000::/21

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 322 peers (3%) number on a line = peers using that link RIS data up to 03:17 UTC what the colours mean 12 of 235 paths drawn 3 quieter networks left out

View JSON Raw upstream

322collector peers

23RIS collectors

235distinct AS paths

3.9average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	268	83%
AS1299 TWELVE99 Arelion Sweden AB	52	16%
AS49544 i3Dnet i3D.net B.V	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	268	83%
AS6939 Hurricane Electric LLC	79	25%
AS1299 TWELVE99 Arelion Sweden AB	50	16%
AS2914 NTT America, Inc.	37	11%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	21	7%
AS9002 RETN-AS RETN Limited	16	5%
AS6461 Zayo Bandwidth	11	3%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	7	2%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	7	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 AS5511 AS5617	9	3%	9
2	AS24482 AS2914 AS5511 AS5617	9	3%	9
3	AS8218 AS6461 AS5511 AS5617	7	2%	6
4	AS9002 AS5511 AS5617	5	2%	5
5	AS6461 AS5511 AS5617	5	2%	5
6	AS13030 AS1299 AS5617	4	1%	4
7	AS14840 AS6762 AS5511 AS5617	4	1%	2
8	AS2914 AS5511 AS5617	3	<1%	3
9	AS3491 AS1299 AS5617	3	<1%	3
10	AS25091 AS5511 AS5617	3	<1%	3
11	AS14907 AS6939 AS5511 AS5617	3	<1%	3
12	AS48185 AS2914 AS5511 AS5617	3	<1%	3
13	AS3214 AS6939 AS5511 AS5617	3	<1%	3
14	AS12779 AS3257 AS1299 AS5617	3	<1%	3
15	AS48362 AS9002 AS5511 AS5617	3	<1%	3
16	AS15547 AS6939 AS5511 AS5617	3	<1%	3
17	AS1299 AS5617	2	<1%	2
18	AS49544 AS5617	2	<1%	2
19	AS2497 AS5511 AS5617	2	<1%	2
20	AS6762 AS5511 AS5617	2	<1%	2
21	AS3257 AS1299 AS5617	2	<1%	2
22	AS6667 AS1299 AS5617	2	<1%	2
23	AS3320 AS5511 AS5617	2	<1%	2
24	AS6830 AS5511 AS5617	2	<1%	2
25	AS25160 AS1299 AS5617	2	<1%	2
26	AS47147 AS1299 AS5617	2	<1%	2
27	AS19151 AS2914 AS5511 AS5617	2	<1%	2
28	AS852 AS2914 AS5511 AS5617	2	<1%	2
29	AS58057 AS34549 AS5511 AS5617	2	<1%	2
30	AS50628 AS6453 AS5511 AS5617	2	<1%	2
31	AS34927 AS6939 AS5511 AS5617	2	<1%	2
32	AS49544 AS3356 AS1299 AS5617	2	<1%	1
33	AS49544 AS2914 AS5511 AS5617	2	<1%	2
34	AS47147 AS3320 AS5511 AS5617	2	<1%	2
35	AS47692 AS6939 AS5511 AS5617	2	<1%	2
36	AS51184 AS6939 AS5511 AS5617	2	<1%	2
37	AS12859 AS2914 AS5511 AS5617	2	<1%	1
38	AS34019 AS35625 AS5511 AS5617	2	<1%	2
39	AS62167 AS6939 AS5511 AS5617	2	<1%	2
40	AS917 AS60068 AS5511 AS5617	2	<1%	2
41	AS202032 AS6939 AS5511 AS5617	2	<1%	2
42	AS35280 AS2914 AS5511 AS5617	2	<1%	2
43	AS28917 AS3257 AS1299 AS5617	2	<1%	1
44	AS59890 AS60068 AS5511 AS5617	2	<1%	2
45	AS58057 AS6939 AS5511 AS5617	2	<1%	1
46	AS1403 AS577 AS6939 AS5511 AS5617	2	<1%	1
47	AS142289 AS9583 AS2914 AS5511 AS5617	2	<1%	1
48	AS20612 AS8758 AS9002 AS5511 AS5617	2	<1%	1
49	AS206271 AS60707 AS12735 AS6762 AS5511 AS5617	2	<1%	1
50	AS199524 AS1299 AS5617	1	<1%	1

50 of 235 paths shown. All of them are in the JSON.

More prefixes from AS5617

Routes seen by RIPE RIS in the 24 hours up to 2 Nov 2026, 03:17 UTC, fetched just now.