BGP map for 209.201.74.0/23

209.201.74.0/23 is announced by AS10886 University of Maryland and seen by 330 peers of 23 RIPE RIS collectors, over 257 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (41%), AS1299 TWELVE99 (21%) and AS3356 Level 3 Parent, LLC (16%). The most common path, used by 11 peers, is AS24482 AS6461 AS10886.

Routes checked 06:27:03 UTC

No change in the origin, the upstreams or the number of peers since 06:27 UTC, when this site first looked at 209.201.74.0/23.

AS-path graph toward 209.201.74.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 330 peers (3%) number on a line = peers using that link RIS data up to 06:26 UTC what the colours mean 12 of 257 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

330collector peers

23RIS collectors

257distinct AS paths

3.3average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	134	41%
AS1299 TWELVE99 Arelion Sweden AB	69	21%
AS3356 Level 3 Parent, LLC	53	16%
AS174 Cogent Communications, LLC	50	15%
AS3257 GTT-BACKBONE GTT Communications Inc.	23	7%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	129	39%
AS1299 TWELVE99 Arelion Sweden AB	67	20%
AS3356 Level 3 Parent, LLC	53	16%
AS174 Cogent Communications, LLC	50	15%
AS3257 GTT-BACKBONE GTT Communications Inc.	22	7%
AS2914 NTT America, Inc.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	1%
AS9002 RETN-AS RETN Limited	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 AS6461 AS10886	11	3%	11
2	AS8218 AS6461 AS10886	7	2%	6
3	AS6461 AS10886	5	2%	5
4	AS13030 AS6461 AS10886	4	1%	4
5	AS12779 AS6461 AS10886	4	1%	4
6	AS14840 AS3356 AS10886	4	1%	2
7	AS199524 AS1299 AS10886	4	1%	4
8	AS199524 AS174 AS10886	4	1%	4
9	AS47147 AS6461 AS10886	4	1%	4
10	AS48185 AS6461 AS10886	3	<1%	3
11	AS34927 AS1299 AS10886	3	<1%	3
12	AS3214 AS6461 AS10886	3	<1%	3
13	AS49544 AS3356 AS10886	3	<1%	2
14	AS9002 AS3257 AS10886	3	<1%	3
15	AS35280 AS3356 AS10886	3	<1%	3
16	AS34019 AS6461 AS10886	3	<1%	3
17	AS25091 AS6461 AS10886	3	<1%	3
18	AS48362 AS1299 AS10886	3	<1%	3
19	AS1299 AS10886	2	<1%	2
20	AS6830 AS6461 AS10886	2	<1%	2
21	AS3320 AS6461 AS10886	2	<1%	2
22	AS25160 AS174 AS10886	2	<1%	2
23	AS3491 AS174 AS10886	2	<1%	2
24	AS14907 AS1299 AS10886	2	<1%	2
25	AS15547 AS6461 AS10886	2	<1%	2
26	AS2914 AS6461 AS10886	2	<1%	2
27	AS49544 AS1299 AS10886	2	<1%	2
28	AS59890 AS3356 AS10886	2	<1%	2
29	AS271253 AS3356 AS10886	2	<1%	1
30	AS19151 AS174 AS10886	2	<1%	2
31	AS58057 AS34549 AS6461 AS10886	2	<1%	2
32	AS31027 AS12552 AS6461 AS10886	2	<1%	1
33	AS35710 AS3320 AS3257 AS10886	2	<1%	2
34	AS51184 AS1764 AS6461 AS10886	2	<1%	2
35	AS142289 AS9583 AS4755 AS6453 AS174 AS10886	2	<1%	1
36	AS3257 AS10886	1	<1%	1
37	AS36924 AS1299 AS10886	1	<1%	1
38	AS6894 AS174 AS10886	1	<1%	1
39	AS31742 AS1299 AS10886	1	<1%	1
40	AS35266 AS3257 AS10886	1	<1%	1
41	AS286 AS3257 AS10886	1	<1%	1
42	AS1828 AS6461 AS10886	1	<1%	1
43	AS2914 AS3356 AS10886	1	<1%	1
44	AS3491 AS6461 AS10886	1	<1%	1
45	AS9002 AS6461 AS10886	1	<1%	1
46	AS62167 AS3356 AS10886	1	<1%	1
47	AS6424 AS1299 AS10886	1	<1%	1
48	AS39122 AS174 AS10886	1	<1%	1
49	AS42473 AS6461 AS10886	1	<1%	1
50	AS12969 AS1299 AS10886	1	<1%	1

50 of 257 paths shown. All of them are in the JSON.

More prefixes from AS10886

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 06:26 UTC, fetched just now.