BGP map for 185.227.12.0/22

185.227.12.0/22 is announced by AS12337 NORIS-NETWORK and seen by 352 peers of 23 RIPE RIS collectors, over 278 different AS paths. Its busiest upstreams are AS5405 INTERDOTLINK (30%), AS33891 CORE-BACKBONE (17%) and AS2914 NTT America, Inc. (6%). The most common path, used by 7 peers, is AS8218 AS12337.

Routes checked 18:26:15 UTC

No change in the origin, the upstreams or the number of peers since 20:19 UTC on 28 Oct, when this site first looked at 185.227.12.0/22.

AS-path graph toward 185.227.12.0/22

origin Tier 1Tier 2transitedge network prefix best path: chosen by 7 of 352 peers (2%) number on a line = peers using that link RIS data up to 18:25 UTC what the colours mean 12 of 278 paths drawn 5 quieter networks left out

View JSON Raw upstream

352collector peers

23RIS collectors

278distinct AS paths

2.9average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS5405 INTERDOTLINK Inter.link GmbH	105	30%
AS33891 CORE-BACKBONE Core-Backbone GmbH	59	17%
AS2914 NTT America, Inc.	21	6%
AS1299 TWELVE99 Arelion Sweden AB	19	5%
AS3320 DTAG Deutsche Telekom AG	11	3%
AS6939 Hurricane Electric LLC	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS14840 BR.Digital Telecom	5	1%
AS34019 HIVANE Hivane Association	5	1%
AS13030 INIT7 Init7 (Switzerland) Ltd.	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS5405 INTERDOTLINK Inter.link GmbH	99	28%
AS33891 CORE-BACKBONE Core-Backbone GmbH	59	17%
AS1299 TWELVE99 Arelion Sweden AB	19	5%
AS2914 NTT America, Inc.	18	5%
AS6939 Hurricane Electric LLC	10	3%
AS3320 DTAG Deutsche Telekom AG	9	3%
AS3356 Level 3 Parent, LLC	8	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	5	1%
AS37468 Angola Cables	3	<1%
AS4230 CLARO S.A.	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	AS8218 AS12337	7	2%	6
2	AS5405 AS12337	6	2%	5
3	AS6461 AS33891 AS12337	5	1%	5
4	AS13030 AS12337	4	1%	4
5	AS14840 AS12337	4	1%	2
6	AS47147 AS12337	4	1%	4
7	AS24482 AS5405 AS12337	4	1%	4
8	AS2914 AS12337	3	<1%	3
9	AS24482 AS12337	3	<1%	3
10	AS34019 AS12337	3	<1%	3
11	AS25091 AS12337	3	<1%	3
12	AS48362 AS12337	3	<1%	3
13	AS3491 AS5405 AS12337	3	<1%	3
14	AS9002 AS2914 AS12337	3	<1%	3
15	AS24482 AS33891 AS12337	3	<1%	3
16	AS48185 AS33891 AS12337	3	<1%	3
17	AS14907 AS33891 AS12337	3	<1%	3
18	AS199524 AS1299 AS12337	3	<1%	3
19	AS3320 AS12337	2	<1%	2
20	AS1299 AS12337	2	<1%	2
21	AS35710 AS12337	2	<1%	2
22	AS8529 AS12337	2	<1%	2
23	AS212483 AS12337	2	<1%	1
24	AS49544 AS12337	2	<1%	2
25	AS12779 AS12337	2	<1%	2
26	AS51184 AS12337	2	<1%	2
27	AS47692 AS12337	2	<1%	2
28	AS62167 AS5405 AS12337	2	<1%	2
29	AS42473 AS5405 AS12337	2	<1%	2
30	AS51185 AS5405 AS12337	2	<1%	2
31	AS34927 AS5405 AS12337	2	<1%	2
32	AS3214 AS5405 AS12337	2	<1%	2
33	AS50628 AS5405 AS12337	2	<1%	2
34	AS31027 AS6797 AS12337	2	<1%	1
35	AS15547 AS33891 AS12337	2	<1%	2
36	AS6762 AS5405 AS12337	2	<1%	2
37	AS59890 AS5405 AS12337	2	<1%	2
38	AS20612 AS5405 AS12337	2	<1%	1
39	AS202032 AS5405 AS12337	2	<1%	2
40	AS19151 AS33891 AS12337	2	<1%	2
41	AS49544 AS3356 AS33891 AS12337	2	<1%	1
42	AS271253 AS3356 AS33891 AS12337	2	<1%	1
43	AS142289 AS9583 AS1299 AS3320 AS12337	2	<1%	1
44	AS12337	1	<1%	1
45	AS1828 AS12337	1	<1%	1
46	AS14630 AS12337	1	<1%	1
47	AS34549 AS12337	1	<1%	1
48	AS6057 AS12337	1	<1%	1
49	AS3212 AS12337	1	<1%	1
50	AS198150 AS12337	1	<1%	1

50 of 278 paths shown. All of them are in the JSON.

More prefixes from AS12337

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 18:25 UTC, fetched just now.