BGP map for 209.171.16.0/21

209.171.16.0/21 is announced by AS852 TELUS Communications Inc. and seen by 326 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (30%), AS2914 NTT America, Inc. (22%) and AS174 Cogent Communications, LLC (13%). The most common path, used by 11 peers, is AS24482 AS2914 AS852.

Routes checked 11:18:25 UTC

Recent route changes

8 Nov 11:18 UTCThe prefix is announced again, seen by 326 collector peers
8 Nov 01:35 UTCNo collector peer sees the prefix any more

AS-path graph toward 209.171.16.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 326 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 252 paths drawn 6 quieter networks left out

View JSON Raw upstream

326collector peers

23RIS collectors

252distinct AS paths

3.2average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	99	30%
AS2914 NTT America, Inc.	71	22%
AS174 Cogent Communications, LLC	44	13%
AS3320 DTAG Deutsche Telekom AG	24	7%
AS6939 Hurricane Electric LLC	23	7%
AS3257 GTT-BACKBONE GTT Communications Inc.	18	6%
AS3491 PCCW Global (HK) Ltd.	12	4%
AS13030 INIT7 Init7 (Switzerland) Ltd.	8	2%
AS6461 Zayo Bandwidth	6	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	97	30%
AS2914 NTT America, Inc.	68	21%
AS174 Cogent Communications, LLC	44	13%
AS6939 Hurricane Electric LLC	23	7%
AS3320 DTAG Deutsche Telekom AG	22	7%
AS3257 GTT-BACKBONE GTT Communications Inc.	17	5%
AS3491 PCCW Global (HK) Ltd.	9	3%
AS3356 Level 3 Parent, LLC	6	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	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 AS852	11	3%	11
2	AS8218 AS3320 AS852	7	2%	6
3	AS6461 AS852	5	2%	5
4	AS13030 AS852	4	1%	4
5	AS12779 AS2914 AS852	4	1%	4
6	AS47147 AS1299 AS852	4	1%	4
7	AS14840 AS174 AS852	4	1%	2
8	AS2914 AS852	3	<1%	3
9	AS3491 AS852	3	<1%	3
10	AS34927 AS1299 AS852	3	<1%	3
11	AS14907 AS1299 AS852	3	<1%	3
12	AS9002 AS3257 AS852	3	<1%	3
13	AS25091 AS3320 AS852	3	<1%	3
14	AS48362 AS1299 AS852	3	<1%	3
15	AS3320 AS852	2	<1%	2
16	AS1299 AS852	2	<1%	2
17	AS49544 AS852	2	<1%	2
18	AS48185 AS1299 AS852	2	<1%	2
19	AS25160 AS2914 AS852	2	<1%	2
20	AS62167 AS174 AS852	2	<1%	2
21	AS42473 AS1299 AS852	2	<1%	2
22	AS917 AS60068 AS852	2	<1%	2
23	AS34019 AS3303 AS852	2	<1%	2
24	AS8529 AS1299 AS852	2	<1%	2
25	AS15547 AS174 AS852	2	<1%	2
26	AS47692 AS2914 AS852	2	<1%	2
27	AS59890 AS6939 AS852	2	<1%	2
28	AS2497 AS2914 AS852	2	<1%	2
29	AS35280 AS2914 AS852	2	<1%	2
30	AS19151 AS2914 AS852	2	<1%	2
31	AS199524 AS1299 AS852	2	<1%	2
32	AS35710 AS3320 AS852	2	<1%	2
33	AS199524 AS3491 AS852	2	<1%	2
34	AS271253 AS174 AS852	2	<1%	1
35	AS49544 AS2914 AS852	2	<1%	2
36	AS58057 AS34549 AS1299 AS852	2	<1%	2
37	AS51184 AS47692 AS2914 AS852	2	<1%	2
38	AS51185 AS6762 AS2914 AS852	2	<1%	2
39	AS20612 AS9044 AS174 AS852	2	<1%	1
40	AS49544 AS3356 AS1299 AS852	2	<1%	1
41	AS31027 AS12552 AS3320 AS852	2	<1%	1
42	AS142289 AS9583 AS6453 AS1299 AS852	2	<1%	1
43	AS852	1	<1%	1
44	AS1403 AS852	1	<1%	1
45	AS22652 AS852	1	<1%	1
46	AS1828 AS852	1	<1%	1
47	AS199524 AS852	1	<1%	1
48	AS3257 AS852	1	<1%	1
49	AS35280 AS852	1	<1%	1
50	AS36236 AS852	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS852

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