BGP map for 142.180.144.0/20

142.180.144.0/20 is announced by AS577 Bell Canada and seen by 329 peers of 23 RIPE RIS collectors, over 256 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (34%), AS3356 Level 3 Parent, LLC (15%) and AS2914 NTT America, Inc. (12%). The most common path, used by 11 peers, is AS24482 AS2914 AS577.

Routes checked 11:41:01 UTC

Recent route changes

8 Nov 11:41 UTCThe prefix is announced again, seen by 329 collector peers
7 Nov 17:29 UTCNo collector peer sees the prefix any more

AS-path graph toward 142.180.144.0/20

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 07:59 UTC what the colours mean 12 of 256 paths drawn 5 quieter networks left out

View JSON Raw upstream

329collector peers

23RIS collectors

256distinct AS paths

3.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	113	34%
AS3356 Level 3 Parent, LLC	50	15%
AS2914 NTT America, Inc.	40	12%
AS174 Cogent Communications, LLC	30	9%
AS6939 Hurricane Electric LLC	20	6%
AS3257 GTT-BACKBONE GTT Communications Inc.	18	5%
AS6461 Zayo Bandwidth	14	4%
AS3491 PCCW Global (HK) Ltd.	10	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	8	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	5	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	111	34%
AS3356 Level 3 Parent, LLC	50	15%
AS2914 NTT America, Inc.	37	11%
AS174 Cogent Communications, LLC	30	9%
AS6939 Hurricane Electric LLC	20	6%
AS3257 GTT-BACKBONE GTT Communications Inc.	17	5%
AS6461 Zayo Bandwidth	9	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	7	2%
AS3491 PCCW Global (HK) Ltd.	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 AS577	11	3%	11
2	AS8218 AS6461 AS577	7	2%	6
3	AS6461 AS577	5	2%	5
4	AS13030 AS1299 AS577	4	1%	4
5	AS12779 AS3257 AS577	4	1%	4
6	AS47147 AS1299 AS577	4	1%	4
7	AS14840 AS3356 AS577	4	1%	2
8	AS2914 AS577	3	<1%	3
9	AS3491 AS577	3	<1%	3
10	AS34927 AS1299 AS577	3	<1%	3
11	AS9002 AS3257 AS577	3	<1%	3
12	AS14907 AS1299 AS577	3	<1%	3
13	AS34019 AS3303 AS577	3	<1%	3
14	AS48362 AS1299 AS577	3	<1%	3
15	AS199524 AS1299 AS577	3	<1%	3
16	AS6830 AS577	2	<1%	2
17	AS1299 AS577	2	<1%	2
18	AS49544 AS577	2	<1%	2
19	AS2497 AS577	2	<1%	2
20	AS3320 AS1299 AS577	2	<1%	2
21	AS25160 AS1299 AS577	2	<1%	2
22	AS62167 AS3356 AS577	2	<1%	2
23	AS42473 AS1299 AS577	2	<1%	2
24	AS917 AS60068 AS577	2	<1%	2
25	AS15547 AS174 AS577	2	<1%	2
26	AS47692 AS2914 AS577	2	<1%	2
27	AS59890 AS3356 AS577	2	<1%	2
28	AS35280 AS3356 AS577	2	<1%	2
29	AS19151 AS2914 AS577	2	<1%	2
30	AS6762 AS1299 AS577	2	<1%	2
31	AS271253 AS3356 AS577	2	<1%	1
32	AS49544 AS2914 AS577	2	<1%	2
33	AS49544 AS3356 AS577	2	<1%	1
34	AS31027 AS1299 AS577	2	<1%	1
35	AS58057 AS34549 AS1299 AS577	2	<1%	2
36	AS51184 AS47692 AS2914 AS577	2	<1%	2
37	AS51185 AS6762 AS1299 AS577	2	<1%	2
38	AS35710 AS3320 AS1299 AS577	2	<1%	2
39	AS20612 AS9044 AS174 AS577	2	<1%	1
40	AS142289 AS9583 AS4755 AS6453 AS577	2	<1%	1
41	AS852 AS577	1	<1%	1
42	AS1403 AS577	1	<1%	1
43	AS22652 AS577	1	<1%	1
44	AS6453 AS577	1	<1%	1
45	AS199524 AS577	1	<1%	1
46	AS3257 AS577	1	<1%	1
47	AS55720 AS6939 AS577	1	<1%	1
48	AS7018 AS1299 AS577	1	<1%	1
49	AS61218 AS6939 AS577	1	<1%	1
50	AS37721 AS6939 AS577	1	<1%	1

50 of 256 paths shown. All of them are in the JSON.

More prefixes from AS577

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.