BGP map for 72.29.128.0/20

72.29.128.0/20 is announced by AS3300 BT and seen by 327 peers of 23 RIPE RIS collectors, over 261 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (45%), AS2914 NTT America, Inc. (27%) and AS9002 RETN-AS (7%). The most common path, used by 10 peers, is AS24482 AS2914 AS3300.

Routes checked 16:29:52 UTC

No change in the origin, the upstreams or the number of peers since 15:20 UTC on 29 Oct, when this site first looked at 72.29.128.0/20.

AS-path graph toward 72.29.128.0/20

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 327 peers (3%) number on a line = peers using that link RIS data up to 16:29 UTC what the colours mean 12 of 261 paths drawn 2 quieter networks left out

View JSON Raw upstream

327collector peers

23RIS collectors

261distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	147	45%
AS2914 NTT America, Inc.	88	27%
AS9002 RETN-AS RETN Limited	23	7%
AS6939 Hurricane Electric LLC	20	6%
AS3303 SWISSCOM Swisscom (Schweiz) AG	12	4%
AS14840 BR.Digital Telecom	5	2%
AS37468 Angola Cables	5	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	5	2%
AS199524 GCORE G-Core Labs S.A.	3	<1%
AS2497 Internet Initiative Japan Inc.	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	145	44%
AS2914 NTT America, Inc.	85	26%
AS6939 Hurricane Electric LLC	20	6%
AS9002 RETN-AS RETN Limited	19	6%
AS174 Cogent Communications, LLC	13	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	12	4%
AS3356 Level 3 Parent, LLC	11	3%
AS6461 Zayo Bandwidth	8	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	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	AS24482 AS2914 AS3300	10	3%	10
2	AS9002 AS3300	4	1%	4
3	AS14840 AS3300	4	1%	2
4	AS13030 AS1299 AS3300	4	1%	4
5	AS8218 AS6461 AS2914 AS3300	4	1%	3
6	AS2914 AS3300	3	<1%	3
7	AS199524 AS3300	3	<1%	3
8	AS34927 AS1299 AS3300	3	<1%	3
9	AS34019 AS3303 AS3300	3	<1%	3
10	AS6461 AS1299 AS3300	3	<1%	3
11	AS47147 AS1299 AS3300	3	<1%	3
12	AS8218 AS6461 AS1299 AS3300	3	<1%	3
13	AS1299 AS3300	2	<1%	2
14	AS49544 AS3300	2	<1%	2
15	AS2497 AS3300	2	<1%	2
16	AS19151 AS3300	2	<1%	2
17	AS3257 AS1299 AS3300	2	<1%	2
18	AS6461 AS2914 AS3300	2	<1%	2
19	AS3491 AS1299 AS3300	2	<1%	2
20	AS25160 AS2914 AS3300	2	<1%	2
21	AS3214 AS9002 AS3300	2	<1%	2
22	AS48185 AS2914 AS3300	2	<1%	2
23	AS31027 AS1299 AS3300	2	<1%	1
24	AS49544 AS2914 AS3300	2	<1%	2
25	AS8529 AS1299 AS3300	2	<1%	2
26	AS199524 AS1299 AS3300	2	<1%	2
27	AS35280 AS2914 AS3300	2	<1%	2
28	AS14907 AS1299 AS3300	2	<1%	2
29	AS15547 AS3303 AS3300	2	<1%	2
30	AS12779 AS2914 AS3300	2	<1%	2
31	AS6762 AS2914 AS3300	2	<1%	2
32	AS48362 AS9002 AS3300	2	<1%	2
33	AS59890 AS6939 AS3300	2	<1%	2
34	AS25091 AS1299 AS3300	2	<1%	2
35	AS58057 AS1836 AS1299 AS3300	2	<1%	2
36	AS58057 AS34549 AS1299 AS3300	2	<1%	2
37	AS49544 AS3356 AS1299 AS3300	2	<1%	1
38	AS35710 AS3320 AS2914 AS3300	2	<1%	2
39	AS51184 AS47692 AS2914 AS3300	2	<1%	2
40	AS51185 AS6762 AS2914 AS3300	2	<1%	2
41	AS20612 AS8758 AS9002 AS3300	2	<1%	1
42	AS271253 AS3356 AS1299 AS3300	2	<1%	1
43	AS142289 AS9583 AS6453 AS1299 AS3300	2	<1%	1
44	AS1828 AS3300	1	<1%	1
45	AS22652 AS3300	1	<1%	1
46	AS1403 AS3300	1	<1%	1
47	AS14907 AS3300	1	<1%	1
48	AS36236 AS3300	1	<1%	1
49	AS18106 AS3300	1	<1%	1
50	AS35280 AS3300	1	<1%	1

50 of 261 paths shown. All of them are in the JSON.

More prefixes from AS3300

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 16:29 UTC, fetched just now.