BGP map for 72.29.128.0/20

72.29.128.0/20 is announced by AS3300 BT and seen by 329 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (51%), AS2914 NTT America, Inc. (24%) and AS9002 RETN-AS (7%). The most common path, used by 11 peers, is AS24482 AS2914 AS3300.

Routes checked 12:24:37 UTC

No change in the origin, the upstreams or the number of peers since 12:24 UTC, 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 11 of 329 peers (3%) number on a line = peers using that link RIS data up to 12:23 UTC what the colours mean 12 of 259 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

329collector peers

23RIS collectors

259distinct AS paths

3.4average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	167	51%
AS2914 NTT America, Inc.	78	24%
AS9002 RETN-AS RETN Limited	23	7%
AS6939 Hurricane Electric LLC	17	5%
AS3303 SWISSCOM Swisscom (Schweiz) AG	11	3%
AS14840 BR.Digital Telecom	5	2%
AS8220 COLT COLT Technology Services Group Limited	4	1%
AS199524 GCORE G-Core Labs S.A.	3	<1%
AS2497 Internet Initiative Japan Inc.	3	<1%
AS33891 CORE-BACKBONE Core-Backbone GmbH	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	165	50%
AS2914 NTT America, Inc.	75	23%
AS9002 RETN-AS RETN Limited	19	6%
AS6939 Hurricane Electric LLC	17	5%
AS174 Cogent Communications, LLC	15	5%
AS3356 Level 3 Parent, LLC	12	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	11	3%
AS6461 Zayo Bandwidth	8	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	5	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	11	3%	11
2	AS8218 AS6461 AS1299 AS3300	7	2%	6
3	AS6461 AS1299 AS3300	5	2%	5
4	AS9002 AS3300	4	1%	4
5	AS14840 AS3300	4	1%	2
6	AS13030 AS1299 AS3300	4	1%	4
7	AS12779 AS2914 AS3300	4	1%	4
8	AS199524 AS1299 AS3300	4	1%	4
9	AS2914 AS3300	3	<1%	3
10	AS199524 AS3300	3	<1%	3
11	AS34927 AS1299 AS3300	3	<1%	3
12	AS34019 AS3303 AS3300	3	<1%	3
13	AS47147 AS1299 AS3300	3	<1%	3
14	AS1299 AS3300	2	<1%	2
15	AS49544 AS3300	2	<1%	2
16	AS2497 AS3300	2	<1%	2
17	AS19151 AS3300	2	<1%	2
18	AS3257 AS1299 AS3300	2	<1%	2
19	AS3491 AS1299 AS3300	2	<1%	2
20	AS25160 AS2914 AS3300	2	<1%	2
21	AS48185 AS1299 AS3300	2	<1%	2
22	AS31027 AS1299 AS3300	2	<1%	1
23	AS49544 AS2914 AS3300	2	<1%	2
24	AS35280 AS2914 AS3300	2	<1%	2
25	AS14907 AS1299 AS3300	2	<1%	2
26	AS15547 AS3303 AS3300	2	<1%	2
27	AS6762 AS1299 AS3300	2	<1%	2
28	AS48362 AS9002 AS3300	2	<1%	2
29	AS59890 AS6939 AS3300	2	<1%	2
30	AS25091 AS1299 AS3300	2	<1%	2
31	AS58057 AS1836 AS1299 AS3300	2	<1%	2
32	AS58057 AS34549 AS1299 AS3300	2	<1%	2
33	AS49544 AS3356 AS1299 AS3300	2	<1%	1
34	AS35710 AS3320 AS2914 AS3300	2	<1%	2
35	AS51184 AS47692 AS2914 AS3300	2	<1%	2
36	AS20612 AS8758 AS8220 AS3300	2	<1%	1
37	AS271253 AS3356 AS1299 AS3300	2	<1%	1
38	AS142289 AS9583 AS6453 AS1299 AS3300	2	<1%	1
39	AS1828 AS3300	1	<1%	1
40	AS1403 AS3300	1	<1%	1
41	AS14907 AS3300	1	<1%	1
42	AS36236 AS3300	1	<1%	1
43	AS18106 AS3300	1	<1%	1
44	AS35280 AS3300	1	<1%	1
45	AS52320 AS3300	1	<1%	1
46	AS15692 AS2914 AS3300	1	<1%	1
47	AS36924 AS1299 AS3300	1	<1%	1
48	AS31742 AS1299 AS3300	1	<1%	1
49	AS35266 AS2914 AS3300	1	<1%	1
50	AS6830 AS1299 AS3300	1	<1%	1

50 of 259 paths shown. All of them are in the JSON.

More prefixes from AS3300

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 12:23 UTC, fetched just now.