BGP map for 2a01:4b40::/37

2a01:4b40::/37 is announced by AS21299 KAR-TEL-AS and seen by 366 peers of 23 RIPE RIS collectors, over 267 different AS paths. All of those routes reach it through one upstream, AS35168 TNS-Plus-Core. The most common path, used by 18 peers, is AS6939 AS35168 AS21299.

Routes checked 02:49:57 UTC

No change in the origin, the upstreams or the number of peers since 02:49 UTC, when this site first looked at 2a01:4b40::/37.

AS-path graph toward 2a01:4b40::/37

origin Tier 2transitedge network prefix best path: chosen by 18 of 366 peers (5%) number on a line = peers using that link RIS data up to 02:49 UTC what the colours mean 12 of 267 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

366collector peers

23RIS collectors

267distinct AS paths

4.0average AS hops, 3 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS35168 TNS-Plus-Core TNS-Plus LLP	366	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS35168 TNS-Plus-Core TNS-Plus LLP	366	100%
AS6939 Hurricane Electric LLC	164	45%
AS9002 RETN-AS RETN Limited	102	28%
AS20485 TRANSTELECOM Joint Stock Company TransTeleCom	21	6%
AS43727 KVANT-TELECOM JSC KVANT-TELEKOM	20	5%
AS3216 SOVAM-AS PJSC "Vimpelcom"	14	4%
AS23764 CTGNet	5	1%
AS6663 TTI-NET Euroweb Romania S.R.L.	4	1%
AS25091 IP-Max IP-Max SA	3	<1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	3	<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	AS6939 AS35168 AS21299	18	5%	16
2	AS9002 AS35168 AS21299	8	2%	7
3	AS24482 AS9002 AS35168 AS21299	5	1%	5
4	AS8218 AS9002 AS35168 AS21299	5	1%	5
5	AS34927 AS6939 AS35168 AS21299	4	1%	3
6	AS14840 AS6939 AS35168 AS21299	4	1%	2
7	AS49544 AS6939 AS35168 AS21299	4	1%	4
8	AS24482 AS35168 AS21299	3	<1%	3
9	AS25091 AS35168 AS21299	3	<1%	3
10	AS13030 AS6939 AS35168 AS21299	3	<1%	3
11	AS51185 AS6939 AS35168 AS21299	3	<1%	3
12	AS199524 AS6939 AS35168 AS21299	3	<1%	3
13	AS48185 AS6939 AS35168 AS21299	3	<1%	3
14	AS12779 AS9002 AS35168 AS21299	3	<1%	3
15	AS47147 AS9002 AS35168 AS21299	3	<1%	3
16	AS58057 AS9002 AS35168 AS21299	3	<1%	2
17	AS6461 AS9002 AS35168 AS21299	3	<1%	3
18	AS3491 AS6939 AS35168 AS21299	3	<1%	3
19	AS35280 AS6939 AS35168 AS21299	3	<1%	3
20	AS15547 AS9002 AS35168 AS21299	3	<1%	3
21	AS2914 AS6663 AS3216 AS35168 AS21299	3	<1%	3
22	AS28917 AS35168 AS21299	2	<1%	1
23	AS2497 AS6939 AS35168 AS21299	2	<1%	2
24	AS6762 AS9002 AS35168 AS21299	2	<1%	2
25	AS852 AS6939 AS35168 AS21299	2	<1%	2
26	AS1403 AS6939 AS35168 AS21299	2	<1%	1
27	AS14907 AS6939 AS35168 AS21299	2	<1%	2
28	AS50628 AS9002 AS35168 AS21299	2	<1%	2
29	AS37721 AS6939 AS35168 AS21299	2	<1%	1
30	AS31027 AS6939 AS35168 AS21299	2	<1%	1
31	AS1299 AS20485 AS35168 AS21299	2	<1%	2
32	AS3214 AS9002 AS35168 AS21299	2	<1%	2
33	AS3257 AS9002 AS35168 AS21299	2	<1%	2
34	AS6461 AS20485 AS35168 AS21299	2	<1%	2
35	AS6667 AS9002 AS35168 AS21299	2	<1%	2
36	AS34019 AS25091 AS35168 AS21299	2	<1%	2
37	AS47692 AS9002 AS35168 AS21299	2	<1%	2
38	AS51184 AS9002 AS35168 AS21299	2	<1%	2
39	AS3320 AS6939 AS35168 AS21299	2	<1%	2
40	AS12859 AS43727 AS35168 AS21299	2	<1%	1
41	AS24482 AS43727 AS35168 AS21299	2	<1%	2
42	AS212483 AS20485 AS35168 AS21299	2	<1%	1
43	AS42473 AS6939 AS35168 AS21299	2	<1%	2
44	AS62167 AS9002 AS35168 AS21299	2	<1%	2
45	AS202032 AS6939 AS35168 AS21299	2	<1%	2
46	AS59890 AS9002 AS35168 AS21299	2	<1%	2
47	AS48362 AS6939 AS35168 AS21299	2	<1%	2
48	AS20612 AS9002 AS35168 AS21299	2	<1%	1
49	AS206271 AS60707 AS6939 AS35168 AS21299	2	<1%	1
50	AS35710 AS23764 AS20485 AS35168 AS21299	2	<1%	2

50 of 267 paths shown. All of them are in the JSON.

More prefixes from AS21299

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 02:49 UTC, fetched just now.