BGP map for 151.249.128.0/21

151.249.128.0/21 is announced by AS42772 A1-BY-AS and seen by 389 peers of 23 RIPE RIS collectors, over 294 different AS paths. Its busiest upstreams are AS12406 BN-AS (97%), AS6697 BELPAK-AS (3%) and AS60280 NTEC (<1%). The most common path, used by 20 peers, is AS6939 AS60280 AS12406 AS42772.

Routes checked 15:19:52 UTC

No change in the origin, the upstreams or the number of peers since 04:19 UTC on 30 Oct, when this site first looked at 151.249.128.0/21.

AS-path graph toward 151.249.128.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 20 of 389 peers (5%) number on a line = peers using that link RIS data up to 15:19 UTC what the colours mean 12 of 294 paths drawn 6 quieter networks left out

View JSON Raw upstream

389collector peers

23RIS collectors

294distinct AS paths

4.7average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS12406 BN-AS Business Network Ltd	376	97%
AS6697 BELPAK-AS Republican Unitary Telecommunication Enterprise Beltelecom	12	3%
AS60280 NTEC Republican Unitary Enterprise "National Traffic Exchange Center"	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS60280 NTEC Republican Unitary Enterprise "National Traffic Exchange Center"	376	97%
AS12406 BN-AS Business Network Ltd	376	97%
AS6939 Hurricane Electric LLC	156	40%
AS174 Cogent Communications, LLC	15	4%
AS9002 RETN-AS RETN Limited	15	4%
AS12389 ROSTELECOM-AS PJSC Rostelecom	12	3%
AS6697 BELPAK-AS Republican Unitary Telecommunication Enterprise Beltelecom	12	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	11	3%
AS20485 TRANSTELECOM Joint Stock Company TransTeleCom	10	3%
AS20804 ASN-TELENERGO Exatel S.A.	10	3%

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 AS60280 AS12406 AS42772	20	5%	18
2	AS8218 AS60280 AS12406 AS42772	7	2%	6
3	AS24482 AS60280 AS12406 AS42772	5	1%	5
4	AS199524 AS6939 AS60280 AS12406 AS42772	5	1%	5
5	AS9002 AS60280 AS12406 AS42772	4	1%	4
6	AS12779 AS60280 AS12406 AS42772	4	1%	4
7	AS14840 AS60280 AS12406 AS42772	4	1%	2
8	AS47147 AS60280 AS12406 AS42772	4	1%	4
9	AS34019 AS60280 AS12406 AS42772	3	<1%	3
10	AS25091 AS60280 AS12406 AS42772	3	<1%	3
11	AS2914 AS6453 AS60280 AS12406 AS42772	3	<1%	3
12	AS3491 AS12389 AS60280 AS12406 AS42772	3	<1%	3
13	AS13030 AS6939 AS60280 AS12406 AS42772	3	<1%	3
14	AS48185 AS6939 AS60280 AS12406 AS42772	3	<1%	3
15	AS34927 AS6939 AS60280 AS12406 AS42772	3	<1%	2
16	AS49544 AS6939 AS60280 AS12406 AS42772	3	<1%	3
17	AS48362 AS6939 AS60280 AS12406 AS42772	3	<1%	3
18	AS20764 AS6697 AS42772	2	<1%	2
19	AS8359 AS6697 AS42772	2	<1%	2
20	AS25160 AS60280 AS12406 AS42772	2	<1%	2
21	AS35710 AS8359 AS6697 AS42772	2	<1%	2
22	AS8529 AS60280 AS12406 AS42772	2	<1%	2
23	AS49544 AS60280 AS12406 AS42772	2	<1%	2
24	AS15547 AS60280 AS12406 AS42772	2	<1%	2
25	AS51184 AS60280 AS12406 AS42772	2	<1%	2
26	AS47692 AS60280 AS12406 AS42772	2	<1%	2
27	AS31133 AS60280 AS12406 AS42772	2	<1%	1
28	AS6830 AS174 AS60280 AS12406 AS42772	2	<1%	2
29	AS3320 AS6453 AS60280 AS12406 AS42772	2	<1%	2
30	AS62167 AS6939 AS60280 AS12406 AS42772	2	<1%	2
31	AS6424 AS6939 AS60280 AS12406 AS42772	2	<1%	2
32	AS42473 AS6939 AS60280 AS12406 AS42772	2	<1%	2
33	AS3214 AS6939 AS60280 AS12406 AS42772	2	<1%	2
34	AS1299 AS12389 AS60280 AS12406 AS42772	2	<1%	2
35	AS50628 AS6939 AS60280 AS12406 AS42772	2	<1%	2
36	AS14907 AS6939 AS60280 AS12406 AS42772	2	<1%	2
37	AS31027 AS6797 AS60280 AS12406 AS42772	2	<1%	1
38	AS212483 AS20485 AS60280 AS12406 AS42772	2	<1%	1
39	AS24482 AS20485 AS60280 AS12406 AS42772	2	<1%	2
40	AS6762 AS9002 AS60280 AS12406 AS42772	2	<1%	2
41	AS6461 AS31133 AS60280 AS12406 AS42772	2	<1%	2
42	AS59890 AS6939 AS60280 AS12406 AS42772	2	<1%	2
43	AS20612 AS8758 AS60280 AS12406 AS42772	2	<1%	1
44	AS24482 AS20804 AS60280 AS12406 AS42772	2	<1%	2
45	AS202032 AS6939 AS60280 AS12406 AS42772	2	<1%	2
46	AS24482 AS6939 AS60280 AS12406 AS42772	2	<1%	2
47	AS271253 AS6939 AS60280 AS12406 AS42772	2	<1%	1
48	AS19151 AS6939 AS60280 AS12406 AS42772	2	<1%	2
49	AS142289 AS9583 AS4755 AS6453 AS60280 AS12406 AS42772	2	<1%	1
50	AS60280 AS12406 AS42772	1	<1%	1

50 of 294 paths shown. All of them are in the JSON.

More prefixes from AS42772

Routes seen by RIPE RIS in the 24 hours up to 9 Nov 2026, 15:19 UTC, fetched just now.