BGP map for 2a02:27ab::/32

2a02:27ab::/32 is announced by AS21100 ITLDC-EU and seen by 345 peers of 23 RIPE RIS collectors, over 254 different AS paths. Its busiest upstreams are AS20562 OPEN-PEERING-AS (41%), AS174 Cogent Communications, LLC (20%) and AS6939 Hurricane Electric LLC (17%). The most common path, used by 9 peers, is AS6939 AS21100.

Routes checked 08:34:23 UTC

No change in the origin, the upstreams or the number of peers since 08:34 UTC, when this site first looked at 2a02:27ab::/32.

AS-path graph toward 2a02:27ab::/32

origin Tier 1Tier 2transitedge network prefix best path: chosen by 9 of 345 peers (3%) number on a line = peers using that link RIS data up to 08:34 UTC what the colours mean 12 of 254 paths drawn 1 quieter network left out

Download PNG View JSON Raw upstream

345collector peers

23RIS collectors

254distinct AS paths

3.1average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	142	41%
AS174 Cogent Communications, LLC	68	20%
AS6939 Hurricane Electric LLC	58	17%
AS24785 JOINTTRANSIT-AS Broadband Hosting B.V.	16	5%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	2%
AS25091 IP-Max IP-Max SA	4	1%
AS24482 SG.GS	3	<1%
AS48185 team_blue team.blue NV	3	<1%
AS34019 HIVANE Hivane Association	3	<1%
AS37721 Virtual Technologies & Solutions	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	139	40%
AS174 Cogent Communications, LLC	68	20%
AS6939 Hurricane Electric LLC	49	14%
AS24785 JOINTTRANSIT-AS Broadband Hosting B.V.	16	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS2914 NTT America, Inc.	6	2%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	6	2%
AS1299 TWELVE99 Arelion Sweden AB	4	1%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	3	<1%
AS3356 Level 3 Parent, LLC	3	<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	AS6939 AS21100	9	3%	9
2	AS24482 AS20562 AS21100	8	2%	8
3	AS8218 AS21100	7	2%	6
4	AS9002 AS20562 AS21100	5	1%	5
5	AS13030 AS20562 AS21100	4	1%	4
6	AS14840 AS20562 AS21100	4	1%	2
7	AS6461 AS20562 AS21100	4	1%	4
8	AS12779 AS20562 AS21100	4	1%	4
9	AS24482 AS21100	3	<1%	3
10	AS48185 AS21100	3	<1%	3
11	AS20562 AS21100	3	<1%	3
12	AS34019 AS21100	3	<1%	3
13	AS25091 AS21100	3	<1%	3
14	AS199524 AS174 AS21100	3	<1%	3
15	AS48362 AS20562 AS21100	3	<1%	3
16	AS3491 AS174 AS21100	3	<1%	3
17	AS15547 AS6939 AS21100	3	<1%	3
18	AS37721 AS21100	2	<1%	1
19	AS12859 AS21100	2	<1%	1
20	AS49544 AS21100	2	<1%	2
21	AS212483 AS21100	2	<1%	1
22	AS62167 AS21100	2	<1%	2
23	AS2497 AS174 AS21100	2	<1%	2
24	AS19151 AS174 AS21100	2	<1%	2
25	AS6762 AS174 AS21100	2	<1%	2
26	AS852 AS174 AS21100	2	<1%	2
27	AS14907 AS6939 AS21100	2	<1%	2
28	AS58057 AS20562 AS21100	2	<1%	2
29	AS50628 AS20562 AS21100	2	<1%	2
30	AS31027 AS20562 AS21100	2	<1%	1
31	AS35710 AS20562 AS21100	2	<1%	2
32	AS1299 AS24785 AS21100	2	<1%	2
33	AS3214 AS20562 AS21100	2	<1%	2
34	AS3257 AS174 AS21100	2	<1%	2
35	AS6667 AS20562 AS21100	2	<1%	2
36	AS47147 AS20562 AS21100	2	<1%	2
37	AS47692 AS6939 AS21100	2	<1%	2
38	AS51184 AS20562 AS21100	2	<1%	2
39	AS199524 AS20562 AS21100	2	<1%	2
40	AS6830 AS24785 AS21100	2	<1%	2
41	AS25160 AS20562 AS21100	2	<1%	2
42	AS202032 AS6939 AS21100	2	<1%	2
43	AS28917 AS20562 AS21100	2	<1%	1
44	AS59890 AS20562 AS21100	2	<1%	2
45	AS58057 AS6939 AS21100	2	<1%	1
46	AS199524 AS6939 AS21100	2	<1%	2
47	AS1403 AS577 AS6939 AS21100	2	<1%	1
48	AS49544 AS12956 AS20562 AS21100	2	<1%	1
49	AS49544 AS2914 AS174 AS21100	2	<1%	2
50	AS2914 AS6830 AS24785 AS21100	2	<1%	2

50 of 254 paths shown. All of them are in the JSON.

More prefixes from AS21100

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 08:34 UTC, fetched just now.