BGP map for 172.66.128.0/20

172.66.128.0/20 is announced by AS13335 Cloudflare, Inc. and seen by 355 peers of 23 RIPE RIS collectors, over 268 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (4%), AS24482 SG.GS (3%) and AS174 Cogent Communications, LLC (3%). The most common path, used by 11 peers, is AS24482 AS13335.

Routes checked 17:27:59 UTC

No change in the origin, the upstreams or the number of peers since 17:27 UTC, when this site first looked at 172.66.128.0/20.

AS-path graph toward 172.66.128.0/20

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 355 peers (3%) number on a line = peers using that link RIS data up to 17:27 UTC what the colours mean 12 of 268 paths drawn 7 quieter networks left out

Download PNG View JSON Raw upstream

355collector peers

23RIS collectors

268distinct AS paths

2.3average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	14	4%
AS24482 SG.GS	11	3%
AS174 Cogent Communications, LLC	11	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS9002 RETN-AS RETN Limited	7	2%
AS199524 GCORE G-Core Labs S.A.	6	2%
AS6461 Zayo Bandwidth	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS14840 BR.Digital Telecom	5	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	12	3%
AS174 Cogent Communications, LLC	11	3%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS3257 GTT-BACKBONE GTT Communications Inc.	4	1%
AS3356 Level 3 Parent, LLC	4	1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	4	1%
AS8758 IWAY Iway AG	3	<1%
AS9002 RETN-AS RETN Limited	3	<1%
AS50869 FREEIX-REMOTE IPng Networks GmbH	3	<1%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	2	<1%

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 AS13335	11	3%	11
2	AS8218 AS13335	7	2%	6
3	AS199524 AS13335	6	2%	6
4	AS6461 AS13335	5	1%	5
5	AS13030 AS13335	4	1%	4
6	AS9002 AS13335	4	1%	4
7	AS12779 AS13335	4	1%	4
8	AS14840 AS13335	4	1%	2
9	AS49544 AS13335	4	1%	4
10	AS47147 AS13335	4	1%	4
11	AS2914 AS13335	3	<1%	3
12	AS3491 AS13335	3	<1%	3
13	AS48185 AS13335	3	<1%	3
14	AS34927 AS13335	3	<1%	2
15	AS35280 AS13335	3	<1%	3
16	AS34019 AS13335	3	<1%	3
17	AS25091 AS13335	3	<1%	3
18	AS48362 AS13335	3	<1%	3
19	AS199524 AS174 AS13335	3	<1%	3
20	AS6830 AS13335	2	<1%	2
21	AS62167 AS13335	2	<1%	2
22	AS25160 AS13335	2	<1%	2
23	AS1299 AS13335	2	<1%	2
24	AS18041 AS13335	2	<1%	1
25	AS31027 AS13335	2	<1%	1
26	AS35710 AS13335	2	<1%	2
27	AS8529 AS13335	2	<1%	2
28	AS51185 AS13335	2	<1%	2
29	AS3214 AS13335	2	<1%	2
30	AS14907 AS13335	2	<1%	2
31	AS15547 AS13335	2	<1%	2
32	AS6762 AS13335	2	<1%	2
33	AS51184 AS13335	2	<1%	2
34	AS47692 AS13335	2	<1%	2
35	AS59890 AS13335	2	<1%	2
36	AS202032 AS13335	2	<1%	2
37	AS271253 AS13335	2	<1%	1
38	AS28634 AS13335	2	<1%	1
39	AS2497 AS13335	2	<1%	2
40	AS19151 AS13335	2	<1%	2
41	AS3320 AS1299 AS13335	2	<1%	2
42	AS58057 AS34549 AS13335	2	<1%	2
43	AS49544 AS12956 AS13335	2	<1%	1
44	AS20612 AS8758 AS13335	2	<1%	1
45	AS142289 AS9583 AS4755 AS13335	2	<1%	1
46	AS36924 AS13335	1	<1%	1
47	AS48070 AS13335	1	<1%	1
48	AS1828 AS13335	1	<1%	1
49	AS5511 AS13335	1	<1%	1
50	AS28792 AS13335	1	<1%	1

50 of 268 paths shown. All of them are in the JSON.

More prefixes from AS13335

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 17:27 UTC, fetched just now.