BGP map for 145.81.0.0/16

145.81.0.0/16 is announced by AS1103 SURFNET-NL and seen by 348 peers of 23 RIPE RIS collectors, over 269 different AS paths. Its busiest upstreams are AS20562 OPEN-PEERING-AS (19%), AS6830 LibertyGlobal (19%) and AS3257 GTT-BACKBONE (7%). The most common path, used by 8 peers, is AS24482 AS20562 AS1103.

Routes checked 21:51:37 UTC

No change in the origin, the upstreams or the number of peers since 21:51 UTC, when this site first looked at 145.81.0.0/16.

AS-path graph toward 145.81.0.0/16

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 348 peers (2%) number on a line = peers using that link RIS data up to 21:51 UTC what the colours mean 12 of 269 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

348collector peers

23RIS collectors

269distinct AS paths

2.9average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	65	19%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	65	19%
AS3257 GTT-BACKBONE GTT Communications Inc.	23	7%
AS6939 Hurricane Electric LLC	14	4%
AS9002 RETN-AS RETN Limited	13	4%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS14840 BR.Digital Telecom	5	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	5	1%
AS12779 ITGATE IT.Gate S.p.A.	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	63	18%
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	61	18%
AS3257 GTT-BACKBONE GTT Communications Inc.	22	6%
AS6939 Hurricane Electric LLC	14	4%
AS3356 Level 3 Parent, LLC	13	4%
AS9002 RETN-AS RETN Limited	9	3%
AS2914 NTT America, Inc.	9	3%
AS3491 PCCW Global (HK) Ltd.	5	1%
AS174 Cogent Communications, LLC	4	1%
AS1299 TWELVE99 Arelion Sweden AB	4	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 AS20562 AS1103	8	2%	8
2	AS8218 AS1103	7	2%	6
3	AS6461 AS6830 AS1103	5	1%	5
4	AS13030 AS1103	4	1%	4
5	AS9002 AS1103	4	1%	4
6	AS12779 AS1103	4	1%	4
7	AS14840 AS1103	4	1%	2
8	AS20562 AS1103	4	1%	3
9	AS47147 AS1103	4	1%	4
10	AS48185 AS1103	3	<1%	3
11	AS24482 AS1103	3	<1%	3
12	AS34019 AS1103	3	<1%	3
13	AS25091 AS1103	3	<1%	3
14	AS48362 AS1103	3	<1%	3
15	AS2914 AS6830 AS1103	3	<1%	3
16	AS3491 AS6830 AS1103	3	<1%	3
17	AS1103	2	<1%	1
18	AS6830 AS1103	2	<1%	2
19	AS62167 AS1103	2	<1%	2
20	AS34927 AS1103	2	<1%	2
21	AS51185 AS1103	2	<1%	2
22	AS212483 AS1103	2	<1%	1
23	AS49544 AS1103	2	<1%	2
24	AS15547 AS1103	2	<1%	2
25	AS51184 AS1103	2	<1%	2
26	AS3320 AS6830 AS1103	2	<1%	2
27	AS42473 AS9002 AS1103	2	<1%	2
28	AS3214 AS20562 AS1103	2	<1%	2
29	AS1299 AS3257 AS1103	2	<1%	2
30	AS50628 AS20562 AS1103	2	<1%	2
31	AS31027 AS6797 AS1103	2	<1%	1
32	AS35710 AS20562 AS1103	2	<1%	2
33	AS8529 AS6939 AS1103	2	<1%	2
34	AS199524 AS3257 AS1103	2	<1%	2
35	AS6762 AS6830 AS1103	2	<1%	2
36	AS47692 AS33891 AS1103	2	<1%	2
37	AS59890 AS6939 AS1103	2	<1%	2
38	AS20612 AS9044 AS1103	2	<1%	1
39	AS2497 AS6830 AS1103	2	<1%	2
40	AS58057 AS1836 AS6830 AS1103	2	<1%	2
41	AS49544 AS12956 AS20562 AS1103	2	<1%	1
42	AS49544 AS2914 AS6830 AS1103	2	<1%	2
43	AS199524 AS3491 AS6830 AS1103	2	<1%	2
44	AS271253 AS3356 AS6830 AS1103	2	<1%	1
45	AS19151 AS2914 AS6830 AS1103	2	<1%	2
46	AS142289 AS9583 AS4755 AS6453 AS3257 AS1103	2	<1%	1
47	AS1828 AS1103	1	<1%	1
48	AS6424 AS1103	1	<1%	1
49	AS39122 AS1103	1	<1%	1
50	AS12969 AS1103	1	<1%	1

50 of 269 paths shown. All of them are in the JSON.

More prefixes from AS1103

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 21:51 UTC, fetched just now.