BGP map for 66.172.42.0/23

66.172.42.0/23 is announced by AS4213 Krypt Technologies and seen by 323 peers of 23 RIPE RIS collectors, over 254 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (42%), AS174 Cogent Communications, LLC (26%) and AS3257 GTT-BACKBONE (18%). The most common path, used by 11 peers, is AS24482 AS4213.

Routes checked 19:25:15 UTC

No change in the origin, the upstreams or the number of peers since 19:25 UTC, when this site first looked at 66.172.42.0/23.

AS-path graph toward 66.172.42.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 323 peers (3%) number on a line = peers using that link RIS data up to 19:24 UTC what the colours mean 12 of 254 paths drawn 5 quieter networks left out

View JSON Raw upstream

323collector peers

23RIS collectors

254distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	137	42%
AS174 Cogent Communications, LLC	84	26%
AS3257 GTT-BACKBONE GTT Communications Inc.	59	18%
AS6939 Hurricane Electric LLC	19	6%
AS24482 SG.GS	11	3%
AS9002 RETN-AS RETN Limited	3	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS34927 iFog-GmbH iFog GmbH	1	<1%
AS36236 NetActuate, Inc	1	<1%
AS18106 Viewqwest Pte Ltd	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	135	42%
AS174 Cogent Communications, LLC	84	26%
AS3257 GTT-BACKBONE GTT Communications Inc.	58	18%
AS6939 Hurricane Electric LLC	19	6%
AS6461 Zayo Bandwidth	8	2%
AS3356 Level 3 Parent, LLC	7	2%
AS2914 NTT America, Inc.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	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 AS4213	11	3%	11
2	AS8218 AS6461 AS174 AS4213	6	2%	5
3	AS13030 AS1299 AS4213	4	1%	4
4	AS12779 AS3257 AS4213	4	1%	4
5	AS14907 AS1299 AS4213	4	1%	4
6	AS14840 AS174 AS4213	4	1%	2
7	AS199524 AS1299 AS4213	4	1%	4
8	AS47147 AS1299 AS4213	4	1%	4
9	AS2914 AS3257 AS4213	3	<1%	3
10	AS9002 AS3257 AS4213	3	<1%	3
11	AS48185 AS1299 AS4213	3	<1%	3
12	AS6461 AS174 AS4213	3	<1%	3
13	AS48362 AS1299 AS4213	3	<1%	3
14	AS1299 AS4213	2	<1%	2
15	AS49544 AS4213	2	<1%	2
16	AS6461 AS1299 AS4213	2	<1%	2
17	AS3320 AS1299 AS4213	2	<1%	2
18	AS62167 AS174 AS4213	2	<1%	2
19	AS25160 AS174 AS4213	2	<1%	2
20	AS42473 AS1299 AS4213	2	<1%	2
21	AS34927 AS1299 AS4213	2	<1%	2
22	AS31027 AS1299 AS4213	2	<1%	1
23	AS8529 AS1299 AS4213	2	<1%	2
24	AS3491 AS174 AS4213	2	<1%	2
25	AS15547 AS174 AS4213	2	<1%	2
26	AS25091 AS1299 AS4213	2	<1%	2
27	AS6762 AS1299 AS4213	2	<1%	2
28	AS59890 AS6939 AS4213	2	<1%	2
29	AS271253 AS174 AS4213	2	<1%	1
30	AS199524 AS174 AS4213	2	<1%	2
31	AS19151 AS174 AS4213	2	<1%	2
32	AS917 AS60068 AS174 AS4213	2	<1%	2
33	AS58057 AS34549 AS1299 AS4213	2	<1%	2
34	AS49544 AS3356 AS1299 AS4213	2	<1%	1
35	AS35710 AS3320 AS3257 AS4213	2	<1%	2
36	AS51184 AS1764 AS174 AS4213	2	<1%	2
37	AS47692 AS2914 AS3257 AS4213	2	<1%	2
38	AS20612 AS9044 AS174 AS4213	2	<1%	1
39	AS142289 AS9583 AS6453 AS1299 AS4213	2	<1%	1
40	AS34927 AS4213	1	<1%	1
41	AS36236 AS4213	1	<1%	1
42	AS18106 AS4213	1	<1%	1
43	AS9002 AS4213	1	<1%	1
44	AS3257 AS4213	1	<1%	1
45	AS35280 AS4213	1	<1%	1
46	AS15692 AS174 AS4213	1	<1%	1
47	AS6894 AS174 AS4213	1	<1%	1
48	AS31742 AS1299 AS4213	1	<1%	1
49	AS35266 AS3257 AS4213	1	<1%	1
50	AS286 AS3257 AS4213	1	<1%	1

50 of 254 paths shown. All of them are in the JSON.

More prefixes from AS4213

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