BGP map for 240b:4019::/33

240b:4019::/33 is announced by AS45102 Alibaba (US) Technology Co., Ltd. and seen by 307 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 AS45102.

Routes checked 12:08:01 UTC

No change in the origin, the upstreams or the number of peers since 06:53 UTC on 29 Oct, when this site first looked at 240b:4019::/33.

AS-path graph toward 240b:4019::/33

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 307 peers (3%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 231 paths drawn 4 quieter networks left out

View JSON Raw upstream

307collector 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	307	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	307	100%
AS1299 TWELVE99 Arelion Sweden AB	49	16%
AS2914 NTT America, Inc.	23	7%
AS3356 Level 3 Parent, LLC	22	7%
AS3257 GTT-BACKBONE GTT Communications Inc.	12	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	11	4%
AS6461 Zayo Bandwidth	10	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	7	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	7	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	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 AS2914 AS174 AS45102	10	3%	10
2	AS8218 AS6461 AS174 AS45102	7	2%	6
3	AS6461 AS174 AS45102	5	2%	5
4	AS9002 AS3356 AS174 AS45102	5	2%	5
5	AS12779 AS174 AS45102	4	1%	4
6	AS14840 AS174 AS45102	4	1%	2
7	AS13030 AS1299 AS174 AS45102	4	1%	4
8	AS2914 AS174 AS45102	3	<1%	3
9	AS3491 AS174 AS45102	3	<1%	3
10	AS199524 AS174 AS45102	3	<1%	3
11	AS14907 AS1299 AS174 AS45102	3	<1%	3
12	AS47147 AS1299 AS174 AS45102	3	<1%	3
13	AS15547 AS3303 AS174 AS45102	3	<1%	3
14	AS852 AS174 AS45102	2	<1%	2
15	AS34927 AS174 AS45102	2	<1%	2
16	AS1299 AS174 AS45102	2	<1%	2
17	AS6424 AS174 AS45102	2	<1%	2
18	AS6830 AS174 AS45102	2	<1%	2
19	AS25160 AS174 AS45102	2	<1%	2
20	AS3257 AS174 AS45102	2	<1%	2
21	AS62167 AS174 AS45102	2	<1%	2
22	AS59890 AS174 AS45102	2	<1%	2
23	AS2497 AS174 AS45102	2	<1%	2
24	AS6667 AS174 AS45102	2	<1%	2
25	AS19151 AS174 AS45102	2	<1%	2
26	AS6762 AS174 AS45102	2	<1%	2
27	AS1403 AS577 AS174 AS45102	2	<1%	1
28	AS58057 AS34549 AS174 AS45102	2	<1%	2
29	AS917 AS60068 AS174 AS45102	2	<1%	2
30	AS42473 AS1299 AS174 AS45102	2	<1%	2
31	AS12859 AS1299 AS174 AS45102	2	<1%	1
32	AS34019 AS3303 AS174 AS45102	2	<1%	2
33	AS49544 AS1299 AS174 AS45102	2	<1%	2
34	AS48362 AS1764 AS174 AS45102	2	<1%	2
35	AS51184 AS1764 AS174 AS45102	2	<1%	2
36	AS35280 AS3356 AS174 AS45102	2	<1%	2
37	AS28917 AS3257 AS174 AS45102	2	<1%	1
38	AS20612 AS9044 AS174 AS45102	2	<1%	1
39	AS49544 AS2914 AS174 AS45102	2	<1%	2
40	AS49544 AS3356 AS174 AS45102	2	<1%	1
41	AS31027 AS1299 AS174 AS45102	2	<1%	1
42	AS47692 AS33891 AS1299 AS174 AS45102	2	<1%	2
43	AS35710 AS48200 AS1273 AS174 AS45102	2	<1%	2
44	AS142289 AS9583 AS2914 AS174 AS45102	2	<1%	1
45	AS206271 AS60707 AS12735 AS3257 AS174 AS45102	2	<1%	1
46	AS7018 AS174 AS45102	1	<1%	1
47	AS20205 AS174 AS45102	1	<1%	1
48	AS17639 AS174 AS45102	1	<1%	1
49	AS22652 AS174 AS45102	1	<1%	1
50	AS50300 AS174 AS45102	1	<1%	1

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

More prefixes from AS45102

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 09:59 UTC, fetched just now.