BGP map for 2a02:21b4::/31

2a02:21b4::/31 is announced by AS3303 SWISSCOM and seen by 53 peers of 15 RIPE RIS collectors, over 42 different AS paths. Its busiest upstreams are AS25091 IP-Max (13%), AS35280 F5 (11%) and AS34019 HIVANE (8%). The most common path, used by 3 peers, is AS34019 AS3303.

Routes checked 19:48:36 UTC

No change in the origin, the upstreams or the number of peers since 19:48 UTC, when this site first looked at 2a02:21b4::/31.

AS-path graph toward 2a02:21b4::/31

origin Tier 2transitedge network prefix best path: chosen by 3 of 53 peers (6%) number on a line = peers using that link RIS data up to 19:47 UTC what the colours mean 12 of 42 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

53collector peers

15RIS collectors

42distinct AS paths

2.5average AS hops, 2 to 4

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS25091 IP-Max IP-Max SA	7	13%
AS35280 F5 F5 Networks SARL	6	11%
AS34019 HIVANE Hivane Association	4	8%
AS60068 CDN77 Datacamp Limited	4	8%
AS8758 IWAY Iway AG	4	8%
AS15547 NETPLUS netplus.ch SA	3	6%
AS12637 SEEWEB SEEWEB s.r.l.	3	6%
AS24961 MYLOC-AS WIIT AG	2	4%
AS6730 SUNRISE Sunrise GmbH	2	4%
AS34288 AS34288 Kantonsschule Zug	1	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS60068 CDN77 Datacamp Limited	4	8%
AS8758 IWAY Iway AG	4	8%
AS25091 IP-Max IP-Max SA	4	8%
AS35280 F5 F5 Networks SARL	3	6%
AS12637 SEEWEB SEEWEB s.r.l.	2	4%
AS8298 IPNG IPng Networks GmbH	2	4%
AS34019 HIVANE Hivane Association	1	2%
AS30972 BEDROCK Bedrock SAS	1	2%
AS24961 MYLOC-AS WIIT AG	1	2%
AS6730 SUNRISE Sunrise GmbH	1	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	AS34019 AS3303	3	6%	3
2	AS35280 AS3303	3	6%	3
3	AS15547 AS3303	3	6%	3
4	AS25091 AS3303	3	6%	3
5	AS917 AS60068 AS3303	2	4%	2
6	AS59890 AS60068 AS3303	2	4%	2
7	AS20612 AS8758 AS3303	2	4%	1
8	AS24961 AS3303	1	2%	1
9	AS34288 AS3303	1	2%	1
10	AS12637 AS3303	1	2%	1
11	AS6730 AS3303	1	2%	1
12	AS29222 AS3303	1	2%	1
13	AS15623 AS3303	1	2%	1
14	AS59414 AS3303	1	2%	1
15	AS198385 AS3303	1	2%	1
16	AS51873 AS3303	1	2%	1
17	AS198249 AS3303	1	2%	1
18	AS209823 AS3303	1	2%	1
19	AS34177 AS3303	1	2%	1
20	AS29075 AS3303	1	2%	1
21	AS50628 AS3303	1	2%	1
22	AS56987 AS3303	1	2%	1
23	AS49028 AS3303	1	2%	1
24	AS207910 AS34019 AS3303	1	2%	1
25	AS44097 AS30972 AS3303	1	2%	1
26	AS34872 AS24961 AS3303	1	2%	1
27	AS15605 AS12637 AS3303	1	2%	1
28	AS20912 AS12637 AS3303	1	2%	1
29	AS36924 AS35280 AS3303	1	2%	1
30	AS513 AS6730 AS3303	1	2%	1
31	AS29691 AS8758 AS3303	1	2%	1
32	AS196621 AS8758 AS3303	1	2%	1
33	AS59891 AS51395 AS3303	1	2%	1
34	AS8298 AS25091 AS3303	1	2%	1
35	AS2027 AS35280 AS3303	1	2%	1
36	AS35426 AS215596 AS3303	1	2%	1
37	AS56430 AS9009 AS3303	1	2%	1
38	AS58057 AS1836 AS3303	1	2%	1
39	AS12307 AS57118 AS25091 AS3303	1	2%	1
40	AS4601 AS8298 AS25091 AS3303	1	2%	1
41	AS57777 AS8298 AS25091 AS3303	1	2%	1
42	AS58308 AS39305 AS35280 AS3303	1	2%	1

More prefixes from AS3303

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 19:47 UTC, fetched just now.