BGP map for 2a03:4a81::/32

2a03:4a81::/32 is announced by AS20473 The Constant Company, LLC and seen by 327 peers of 23 RIPE RIS collectors, over 248 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (22%), AS2914 NTT America, Inc. (17%) and AS174 Cogent Communications, LLC (16%). The most common path, used by 9 peers, is AS24482 AS20473.

Routes checked 17:50:12 UTC

No change in the origin, the upstreams or the number of peers since 03:16 UTC on 29 Oct, when this site first looked at 2a03:4a81::/32.

AS-path graph toward 2a03:4a81::/32

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 327 peers (3%) number on a line = peers using that link RIS data up to 17:49 UTC what the colours mean 12 of 248 paths drawn 4 quieter networks left out

View JSON Raw upstream

327collector peers

23RIS collectors

248distinct AS paths

3.1average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	72	22%
AS2914 NTT America, Inc.	54	17%
AS174 Cogent Communications, LLC	52	16%
AS3257 GTT-BACKBONE GTT Communications Inc.	21	6%
AS9002 RETN-AS RETN Limited	16	5%
AS24482 SG.GS	9	3%
AS25091 IP-Max IP-Max SA	9	3%
AS13030 INIT7 Init7 (Switzerland) Ltd.	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	6	2%
AS48362 TKSWF-AS Stadtwerke Feldkirch	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	70	21%
AS174 Cogent Communications, LLC	52	16%
AS2914 NTT America, Inc.	51	16%
AS6939 Hurricane Electric LLC	29	9%
AS3257 GTT-BACKBONE GTT Communications Inc.	19	6%
AS9002 RETN-AS RETN Limited	11	3%
AS6461 Zayo Bandwidth	8	2%
AS25091 IP-Max IP-Max SA	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	2%
AS3356 Level 3 Parent, LLC	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 AS20473	9	3%	9
2	AS6939 AS2914 AS20473	7	2%	7
3	AS9002 AS20473	5	2%	5
4	AS8218 AS6461 AS174 AS20473	5	2%	5
5	AS13030 AS20473	4	1%	4
6	AS14840 AS174 AS20473	4	1%	2
7	AS6461 AS174 AS20473	4	1%	4
8	AS2914 AS20473	3	<1%	3
9	AS48185 AS20473	3	<1%	3
10	AS12779 AS20473	3	<1%	3
11	AS48362 AS20473	3	<1%	3
12	AS25091 AS20473	3	<1%	3
13	AS199524 AS1299 AS20473	3	<1%	3
14	AS34019 AS25091 AS20473	3	<1%	3
15	AS15547 AS8220 AS20473	3	<1%	3
16	AS51185 AS20473	2	<1%	2
17	AS8529 AS20473	2	<1%	2
18	AS3214 AS20473	2	<1%	2
19	AS1299 AS20473	2	<1%	2
20	AS3257 AS20473	2	<1%	2
21	AS6667 AS20473	2	<1%	2
22	AS34927 AS20473	2	<1%	2
23	AS25160 AS20473	2	<1%	2
24	AS49544 AS20473	2	<1%	2
25	AS212483 AS20473	2	<1%	1
26	AS62167 AS20473	2	<1%	2
27	AS6939 AS1299 AS20473	2	<1%	2
28	AS19151 AS174 AS20473	2	<1%	2
29	AS6762 AS1299 AS20473	2	<1%	2
30	AS14907 AS1299 AS20473	2	<1%	2
31	AS58057 AS34549 AS20473	2	<1%	2
32	AS49544 AS2914 AS20473	2	<1%	2
33	AS47692 AS2914 AS20473	2	<1%	2
34	AS12859 AS1299 AS20473	2	<1%	1
35	AS47147 AS1299 AS20473	2	<1%	2
36	AS28917 AS3257 AS20473	2	<1%	1
37	AS59890 AS174 AS20473	2	<1%	2
38	AS35280 AS2914 AS20473	2	<1%	2
39	AS1403 AS577 AS1299 AS20473	2	<1%	1
40	AS49544 AS3356 AS1299 AS20473	2	<1%	1
41	AS142289 AS9583 AS2914 AS20473	2	<1%	1
42	AS51184 AS47692 AS2914 AS20473	2	<1%	2
43	AS8218 AS6461 AS1299 AS20473	2	<1%	2
44	AS202032 AS6939 AS2914 AS20473	2	<1%	2
45	AS20612 AS8758 AS9002 AS20473	2	<1%	1
46	AS58057 AS6939 AS2914 AS20473	2	<1%	1
47	AS206271 AS60707 AS12735 AS9121 AS3257 AS20473	2	<1%	1
48	AS17639 AS20473	1	<1%	1
49	AS50300 AS20473	1	<1%	1
50	AS34549 AS20473	1	<1%	1

50 of 248 paths shown. All of them are in the JSON.

More prefixes from AS20473

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 17:49 UTC, fetched just now.