BGP map for 2001:1248:9b00::/42

2001:1248:9b00::/42 is announced by AS11172 Alestra, S. de R.L. de C.V. and seen by 309 peers of 23 RIPE RIS collectors, over 231 different AS paths. All of those routes reach it through one upstream, AS174 Cogent Communications, LLC. The most common path, used by 10 peers, is AS24482 AS2914 AS174 AS11172.

Routes checked 05:19:58 UTC

No change in the origin, the upstreams or the number of peers since 05:19 UTC, when this site first looked at 2001:1248:9b00::/42.

AS-path graph toward 2001:1248:9b00::/42

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 309 peers (3%) number on a line = peers using that link RIS data up to 05:19 UTC what the colours mean 12 of 231 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

309collector peers

23RIS collectors

231distinct AS paths

3.8average AS hops, 3 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	309	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	309	100%
AS1299 TWELVE99 Arelion Sweden AB	47	15%
AS3356 Level 3 Parent, LLC	26	8%
AS2914 NTT America, Inc.	23	7%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	16	5%
AS6461 Zayo Bandwidth	10	3%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	7	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	6	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	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 AS174 AS11172	10	3%	10
2	AS8218 AS6461 AS174 AS11172	7	2%	6
3	AS199524 AS174 AS11172	5	2%	5
4	AS6461 AS174 AS11172	5	2%	5
5	AS9002 AS3356 AS174 AS11172	5	2%	5
6	AS14840 AS174 AS11172	4	1%	2
7	AS12779 AS174 AS11172	4	1%	4
8	AS13030 AS1299 AS174 AS11172	4	1%	4
9	AS2914 AS174 AS11172	3	<1%	3
10	AS3491 AS174 AS11172	3	<1%	3
11	AS47147 AS1299 AS174 AS11172	3	<1%	3
12	AS14907 AS1299 AS174 AS11172	3	<1%	3
13	AS15547 AS3303 AS174 AS11172	3	<1%	3
14	AS2497 AS174 AS11172	2	<1%	2
15	AS19151 AS174 AS11172	2	<1%	2
16	AS6762 AS174 AS11172	2	<1%	2
17	AS852 AS174 AS11172	2	<1%	2
18	AS34927 AS174 AS11172	2	<1%	2
19	AS37721 AS174 AS11172	2	<1%	1
20	AS1299 AS174 AS11172	2	<1%	2
21	AS3257 AS174 AS11172	2	<1%	2
22	AS6667 AS174 AS11172	2	<1%	2
23	AS6830 AS174 AS11172	2	<1%	2
24	AS25160 AS174 AS11172	2	<1%	2
25	AS62167 AS174 AS11172	2	<1%	2
26	AS59890 AS174 AS11172	2	<1%	2
27	AS1403 AS577 AS174 AS11172	2	<1%	1
28	AS58057 AS34549 AS174 AS11172	2	<1%	2
29	AS49544 AS3356 AS174 AS11172	2	<1%	1
30	AS49544 AS2914 AS174 AS11172	2	<1%	2
31	AS31027 AS1299 AS174 AS11172	2	<1%	1
32	AS48362 AS1764 AS174 AS11172	2	<1%	2
33	AS51184 AS1764 AS174 AS11172	2	<1%	2
34	AS12859 AS1299 AS174 AS11172	2	<1%	1
35	AS34019 AS3303 AS174 AS11172	2	<1%	2
36	AS49544 AS1299 AS174 AS11172	2	<1%	2
37	AS42473 AS1299 AS174 AS11172	2	<1%	2
38	AS917 AS60068 AS174 AS11172	2	<1%	2
39	AS35280 AS3356 AS174 AS11172	2	<1%	2
40	AS28917 AS3257 AS174 AS11172	2	<1%	1
41	AS20612 AS9044 AS174 AS11172	2	<1%	1
42	AS35710 AS48200 AS1273 AS174 AS11172	2	<1%	2
43	AS142289 AS9583 AS2914 AS174 AS11172	2	<1%	1
44	AS47692 AS33891 AS1299 AS174 AS11172	2	<1%	2
45	AS206271 AS60707 AS12735 AS6762 AS174 AS11172	2	<1%	1
46	AS52320 AS174 AS11172	1	<1%	1
47	AS21700 AS174 AS11172	1	<1%	1
48	AS7018 AS174 AS11172	1	<1%	1
49	AS20205 AS174 AS11172	1	<1%	1
50	AS17639 AS174 AS11172	1	<1%	1

50 of 231 paths shown. All of them are in the JSON.

More prefixes from AS11172

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 05:19 UTC, fetched just now.