BGP map for 185.174.172.0/22

185.174.172.0/22 is announced by AS21100 ITLDC-EU and seen by 334 peers of 23 RIPE RIS collectors, over 256 different AS paths. Its busiest upstreams are AS9002 RETN-AS (75%), AS6939 Hurricane Electric LLC (5%) and AS24482 SG.GS (3%). The most common path, used by 11 peers, is AS24482 AS21100.

Routes checked 11:53:24 UTC

No change in the origin, the upstreams or the number of peers since 11:53 UTC, when this site first looked at 185.174.172.0/22.

AS-path graph toward 185.174.172.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 334 peers (3%) number on a line = peers using that link RIS data up to 11:52 UTC what the colours mean 12 of 256 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

334collector peers

23RIS collectors

256distinct AS paths

3.5average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	249	75%
AS6939 Hurricane Electric LLC	17	5%
AS24482 SG.GS	11	3%
AS14840 BR.Digital Telecom	5	1%
AS34019 HIVANE Hivane Association	5	1%
AS25091 IP-Max IP-Max SA	4	1%
AS5405 INTERDOTLINK Inter.link GmbH	4	1%
AS34927 iFog-GmbH iFog GmbH	3	<1%
AS174 Cogent Communications, LLC	3	<1%
AS41441 Speed-IX Serverius Holding B.V.	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	245	73%
AS1299 TWELVE99 Arelion Sweden AB	35	10%
AS2914 NTT America, Inc.	25	7%
AS3356 Level 3 Parent, LLC	25	7%
AS6939 Hurricane Electric LLC	17	5%
AS3257 GTT-BACKBONE GTT Communications Inc.	15	4%
AS3320 DTAG Deutsche Telekom AG	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	6	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	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 AS21100	11	3%	11
2	AS8218 AS9002 AS21100	7	2%	6
3	AS6461 AS9002 AS21100	5	1%	5
4	AS199524 AS1299 AS9002 AS21100	5	1%	5
5	AS9002 AS21100	4	1%	4
6	AS14840 AS21100	4	1%	2
7	AS47147 AS9002 AS21100	4	1%	4
8	AS13030 AS3320 AS9002 AS21100	4	1%	4
9	AS34019 AS21100	3	<1%	3
10	AS25091 AS21100	3	<1%	3
11	AS2914 AS9002 AS21100	3	<1%	3
12	AS3491 AS9002 AS21100	3	<1%	3
13	AS3214 AS9002 AS21100	3	<1%	3
14	AS49544 AS9002 AS21100	3	<1%	3
15	AS48362 AS9002 AS21100	3	<1%	3
16	AS12779 AS3257 AS9002 AS21100	3	<1%	3
17	AS51185 AS6762 AS9002 AS21100	3	<1%	3
18	AS62167 AS21100	2	<1%	2
19	AS34927 AS21100	2	<1%	2
20	AS212483 AS21100	2	<1%	1
21	AS6830 AS9002 AS21100	2	<1%	2
22	AS3320 AS9002 AS21100	2	<1%	2
23	AS42473 AS9002 AS21100	2	<1%	2
24	AS1299 AS9002 AS21100	2	<1%	2
25	AS31027 AS9002 AS21100	2	<1%	1
26	AS199524 AS9002 AS21100	2	<1%	2
27	AS6762 AS9002 AS21100	2	<1%	2
28	AS59890 AS6939 AS21100	2	<1%	2
29	AS20612 AS9044 AS21100	2	<1%	1
30	AS19151 AS9002 AS21100	2	<1%	2
31	AS25160 AS2914 AS9002 AS21100	2	<1%	2
32	AS34927 AS1299 AS9002 AS21100	2	<1%	2
33	AS58057 AS1836 AS9002 AS21100	2	<1%	2
34	AS49544 AS3356 AS9002 AS21100	2	<1%	1
35	AS35710 AS3320 AS9002 AS21100	2	<1%	2
36	AS15547 AS3303 AS9002 AS21100	2	<1%	2
37	AS51184 AS1764 AS9002 AS21100	2	<1%	2
38	AS47692 AS2914 AS9002 AS21100	2	<1%	2
39	AS271253 AS3356 AS9002 AS21100	2	<1%	1
40	AS58057 AS34549 AS2914 AS9002 AS21100	2	<1%	2
41	AS142289 AS9583 AS4755 AS6453 AS9002 AS21100	2	<1%	1
42	AS39122 AS21100	1	<1%	1
43	AS271253 AS21100	1	<1%	1
44	AS198150 AS21100	1	<1%	1
45	AS39351 AS21100	1	<1%	1
46	AS212635 AS21100	1	<1%	1
47	AS24961 AS21100	1	<1%	1
48	AS58299 AS21100	1	<1%	1
49	AS5405 AS21100	1	<1%	1
50	AS209823 AS21100	1	<1%	1

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

More prefixes from AS21100

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 11:52 UTC, fetched just now.