BGP map for 2001:4b3b::/32

2001:4b3b::/32 is announced by AS25220 GLOBALNOC-AS and seen by 368 peers of 23 RIPE RIS collectors, over 266 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (45%), AS33891 CORE-BACKBONE (10%) and AS1299 TWELVE99 (5%). The most common path, used by 19 peers, is AS6939 AS25220.

Routes checked 23:52:48 UTC

No change in the origin, the upstreams or the number of peers since 23:52 UTC, when this site first looked at 2001:4b3b::/32.

AS-path graph toward 2001:4b3b::/32

origin Tier 1Tier 2transitedge network prefix best path: chosen by 19 of 368 peers (5%) number on a line = peers using that link RIS data up to 23:52 UTC what the colours mean 12 of 266 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

368collector peers

23RIS collectors

266distinct AS paths

2.7average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	166	45%
AS33891 CORE-BACKBONE Core-Backbone GmbH	37	10%
AS1299 TWELVE99 Arelion Sweden AB	19	5%
AS2914 NTT America, Inc.	14	4%
AS3356 Level 3 Parent, LLC	8	2%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS24482 SG.GS	6	2%
AS3320 DTAG Deutsche Telekom AG	6	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	147	40%
AS33891 CORE-BACKBONE Core-Backbone GmbH	36	10%
AS1299 TWELVE99 Arelion Sweden AB	17	5%
AS2914 NTT America, Inc.	11	3%
AS3356 Level 3 Parent, LLC	8	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	5	1%
AS3320 DTAG Deutsche Telekom AG	4	1%
AS8758 IWAY Iway AG	2	<1%
AS9583 Sify Limited	2	<1%
AS60707 KAPTEYANAS Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S	2	<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 AS25220	19	5%	16
2	AS8218 AS25220	7	2%	6
3	AS24482 AS25220	6	2%	6
4	AS9002 AS3257 AS25220	5	1%	5
5	AS6461 AS33891 AS25220	5	1%	5
6	AS13030 AS25220	4	1%	4
7	AS14840 AS25220	4	1%	2
8	AS12779 AS25220	4	1%	4
9	AS199524 AS1299 AS25220	4	1%	4
10	AS24482 AS33891 AS25220	4	1%	4
11	AS2914 AS25220	3	<1%	3
12	AS34019 AS25220	3	<1%	3
13	AS48362 AS25220	3	<1%	3
14	AS25091 AS25220	3	<1%	3
15	AS14907 AS33891 AS25220	3	<1%	3
16	AS49544 AS6939 AS25220	3	<1%	3
17	AS48185 AS6939 AS25220	3	<1%	3
18	AS58057 AS6939 AS25220	3	<1%	2
19	AS34927 AS6939 AS25220	3	<1%	2
20	AS15547 AS33891 AS25220	3	<1%	3
21	AS25220	2	<1%	1
22	AS31027 AS25220	2	<1%	1
23	AS8529 AS25220	2	<1%	2
24	AS1299 AS25220	2	<1%	2
25	AS3257 AS25220	2	<1%	2
26	AS47692 AS25220	2	<1%	2
27	AS51184 AS25220	2	<1%	2
28	AS3320 AS25220	2	<1%	2
29	AS25160 AS25220	2	<1%	2
30	AS49544 AS25220	2	<1%	2
31	AS62167 AS25220	2	<1%	2
32	AS58952 AS33891 AS25220	2	<1%	1
33	AS35280 AS6939 AS25220	2	<1%	2
34	AS19151 AS6939 AS25220	2	<1%	2
35	AS51185 AS6939 AS25220	2	<1%	2
36	AS199524 AS33891 AS25220	2	<1%	2
37	AS1403 AS6939 AS25220	2	<1%	1
38	AS50628 AS6939 AS25220	2	<1%	2
39	AS37721 AS6939 AS25220	2	<1%	1
40	AS6667 AS33891 AS25220	2	<1%	2
41	AS12859 AS33891 AS25220	2	<1%	1
42	AS47147 AS1299 AS25220	2	<1%	2
43	AS212483 AS33891 AS25220	2	<1%	1
44	AS42473 AS6939 AS25220	2	<1%	2
45	AS202032 AS6939 AS25220	2	<1%	2
46	AS28917 AS6939 AS25220	2	<1%	1
47	AS59890 AS6939 AS25220	2	<1%	2
48	AS20612 AS8758 AS25220	2	<1%	1
49	AS142289 AS9583 AS6939 AS25220	2	<1%	1
50	AS206271 AS60707 AS12735 AS6939 AS25220	2	<1%	1

50 of 266 paths shown. All of them are in the JSON.

More prefixes from AS25220

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 23:52 UTC, fetched just now.