BGP map for 2001:19f0:4000::/38

2001:19f0:4000::/38 is announced by AS20473 The Constant Company, LLC and seen by 320 peers of 23 RIPE RIS collectors, over 247 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (25%), AS2914 NTT America, Inc. (17%) and AS3491 PCCW Global (HK) Ltd. (13%). The most common path, used by 9 peers, is AS24482 AS20473.

Routes checked 02:00:07 UTC

Recent route changes

1 Nov 02:00 UTCAS9002 RETN-AS became an upstream, used by 5% of peers

AS-path graph toward 2001:19f0:4000::/38

origin Tier 1Tier 2transitedge network prefix best path: chosen by 9 of 320 peers (3%) number on a line = peers using that link RIS data up to 02:00 UTC what the colours mean 12 of 247 paths drawn 5 quieter networks left out

View JSON Raw upstream

320collector peers

23RIS collectors

247distinct AS paths

3.2average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	80	25%
AS2914 NTT America, Inc.	55	17%
AS3491 PCCW Global (HK) Ltd.	40	13%
AS3257 GTT-BACKBONE GTT Communications Inc.	33	10%
AS174 Cogent Communications, LLC	31	10%
AS9002 RETN-AS RETN Limited	16	5%
AS25091 IP-Max IP-Max SA	10	3%
AS24482 SG.GS	9	3%
AS13030 INIT7 Init7 (Switzerland) Ltd.	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	6	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	78	24%
AS2914 NTT America, Inc.	52	16%
AS6939 Hurricane Electric LLC	39	12%
AS3491 PCCW Global (HK) Ltd.	38	12%
AS174 Cogent Communications, LLC	31	10%
AS3257 GTT-BACKBONE GTT Communications Inc.	31	10%
AS9002 RETN-AS RETN Limited	11	3%
AS6461 Zayo Bandwidth	7	2%
AS25091 IP-Max IP-Max SA	7	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	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 AS20473	9	3%	9
2	AS8218 AS6461 AS1299 AS20473	6	2%	5
3	AS9002 AS20473	5	2%	5
4	AS6939 AS2914 AS20473	5	2%	5
5	AS13030 AS20473	4	1%	4
6	AS14840 AS174 AS20473	4	1%	2
7	AS2914 AS20473	3	<1%	3
8	AS25091 AS20473	3	<1%	3
9	AS6461 AS3491 AS20473	3	<1%	3
10	AS34019 AS25091 AS20473	3	<1%	3
11	AS35280 AS2914 AS20473	3	<1%	3
12	AS15547 AS8220 AS20473	3	<1%	3
13	AS19151 AS20473	2	<1%	2
14	AS852 AS20473	2	<1%	2
15	AS1299 AS20473	2	<1%	2
16	AS3257 AS20473	2	<1%	2
17	AS6667 AS20473	2	<1%	2
18	AS49544 AS20473	2	<1%	2
19	AS3491 AS20473	2	<1%	2
20	AS199524 AS3491 AS20473	2	<1%	2
21	AS6939 AS1299 AS20473	2	<1%	2
22	AS14907 AS1299 AS20473	2	<1%	2
23	AS48185 AS2914 AS20473	2	<1%	2
24	AS58057 AS34549 AS20473	2	<1%	2
25	AS8529 AS1299 AS20473	2	<1%	2
26	AS47692 AS2914 AS20473	2	<1%	2
27	AS48362 AS9002 AS20473	2	<1%	2
28	AS199524 AS1299 AS20473	2	<1%	2
29	AS6461 AS1299 AS20473	2	<1%	2
30	AS12859 AS1299 AS20473	2	<1%	1
31	AS25160 AS2914 AS20473	2	<1%	2
32	AS47147 AS1299 AS20473	2	<1%	2
33	AS12779 AS3257 AS20473	2	<1%	2
34	AS42473 AS1299 AS20473	2	<1%	2
35	AS28917 AS3257 AS20473	2	<1%	1
36	AS59890 AS174 AS20473	2	<1%	2
37	AS1403 AS577 AS3491 AS20473	2	<1%	1
38	AS49544 AS3356 AS1299 AS20473	2	<1%	1
39	AS142289 AS9583 AS2914 AS20473	2	<1%	1
40	AS3214 AS6939 AS3491 AS20473	2	<1%	2
41	AS51184 AS47692 AS2914 AS20473	2	<1%	2
42	AS62167 AS6939 AS2914 AS20473	2	<1%	2
43	AS202032 AS6939 AS2914 AS20473	2	<1%	2
44	AS20612 AS9044 AS1299 AS20473	2	<1%	1
45	AS58057 AS6939 AS2914 AS20473	2	<1%	1
46	AS206271 AS60707 AS12735 AS9121 AS3257 AS20473	2	<1%	1
47	AS20473	1	<1%	1
48	AS52320 AS20473	1	<1%	1
49	AS21700 AS20473	1	<1%	1
50	AS51185 AS20473	1	<1%	1

50 of 247 paths shown. All of them are in the JSON.

More prefixes from AS20473

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 02:00 UTC, fetched just now.