BGP map for 2.21.40.0/22

2.21.40.0/22 is announced by AS20940 AKAMAI-ASN1 and seen by 332 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS2914 NTT America, Inc. (18%), AS3356 Level 3 Parent, LLC (13%) and AS9002 RETN-AS (11%). The most common path, used by 11 peers, is AS24482 AS20940.

Routes checked 18:09:54 UTC

No change in the origin, the upstreams or the number of peers since 18:09 UTC, when this site first looked at 2.21.40.0/22.

AS-path graph toward 2.21.40.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 332 peers (3%) number on a line = peers using that link RIS data up to 18:08 UTC what the colours mean 12 of 252 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

332collector peers

23RIS collectors

252distinct AS paths

3.2average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	61	18%
AS3356 Level 3 Parent, LLC	42	13%
AS9002 RETN-AS RETN Limited	36	11%
AS1299 TWELVE99 Arelion Sweden AB	32	10%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	29	9%
AS3257 GTT-BACKBONE GTT Communications Inc.	28	8%
AS174 Cogent Communications, LLC	26	8%
AS6939 Hurricane Electric LLC	15	5%
AS8218 NEO-ASN Zayo Infrastructure France SA	12	4%
AS6461 Zayo Bandwidth	12	4%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	58	17%
AS3356 Level 3 Parent, LLC	44	13%
AS9002 RETN-AS RETN Limited	32	10%
AS1299 TWELVE99 Arelion Sweden AB	30	9%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	27	8%
AS174 Cogent Communications, LLC	26	8%
AS3257 GTT-BACKBONE GTT Communications Inc.	26	8%
AS6939 Hurricane Electric LLC	15	5%
AS3491 PCCW Global (HK) Ltd.	8	2%
AS6461 Zayo Bandwidth	7	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 AS20940	11	3%	11
2	AS8218 AS20940	7	2%	6
3	AS6461 AS20940	5	2%	5
4	AS9002 AS20940	4	1%	4
5	AS13030 AS1299 AS20940	4	1%	4
6	AS12779 AS2914 AS20940	4	1%	4
7	AS14840 AS174 AS20940	4	1%	2
8	AS47147 AS9002 AS20940	4	1%	4
9	AS2914 AS20940	3	<1%	3
10	AS3491 AS20940	3	<1%	3
11	AS3214 AS9002 AS20940	3	<1%	3
12	AS14907 AS2914 AS20940	3	<1%	3
13	AS51185 AS6762 AS20940	3	<1%	3
14	AS34019 AS8218 AS20940	3	<1%	3
15	AS199524 AS3257 AS20940	3	<1%	3
16	AS48362 AS9002 AS20940	3	<1%	3
17	AS199524 AS6762 AS20940	3	<1%	3
18	AS3257 AS20940	2	<1%	2
19	AS1299 AS20940	2	<1%	2
20	AS6762 AS20940	2	<1%	2
21	AS49544 AS20940	2	<1%	2
22	AS62167 AS3356 AS20940	2	<1%	2
23	AS25160 AS2914 AS20940	2	<1%	2
24	AS42473 AS9002 AS20940	2	<1%	2
25	AS48185 AS2914 AS20940	2	<1%	2
26	AS34927 AS1299 AS20940	2	<1%	2
27	AS50628 AS3356 AS20940	2	<1%	2
28	AS31027 AS3356 AS20940	2	<1%	1
29	AS49544 AS2914 AS20940	2	<1%	2
30	AS199524 AS3491 AS20940	2	<1%	2
31	AS35280 AS2914 AS20940	2	<1%	2
32	AS15547 AS174 AS20940	2	<1%	2
33	AS47692 AS2914 AS20940	2	<1%	2
34	AS59890 AS3356 AS20940	2	<1%	2
35	AS271253 AS174 AS20940	2	<1%	1
36	AS2497 AS2914 AS20940	2	<1%	2
37	AS19151 AS2914 AS20940	2	<1%	2
38	AS58057 AS1836 AS3356 AS20940	2	<1%	2
39	AS58057 AS34549 AS2914 AS20940	2	<1%	2
40	AS49544 AS3356 AS1299 AS20940	2	<1%	1
41	AS35710 AS3320 AS1299 AS20940	2	<1%	2
42	AS51184 AS47692 AS2914 AS20940	2	<1%	2
43	AS20612 AS8758 AS9002 AS20940	2	<1%	1
44	AS142289 AS9583 AS4755 AS6453 AS20940	2	<1%	1
45	AS36236 AS20940	1	<1%	1
46	AS6453 AS20940	1	<1%	1
47	AS50629 AS20940	1	<1%	1
48	AS15692 AS2914 AS20940	1	<1%	1
49	AS36924 AS6762 AS20940	1	<1%	1
50	AS6894 AS174 AS20940	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS20940

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 18:08 UTC, fetched just now.