BGP map for 2a00:1a20::/32

2a00:1a20::/32 is announced by AS21283 A1SI-AS and seen by 347 peers of 23 RIPE RIS collectors, over 251 different AS paths. Its busiest upstreams are AS8447 A1TELEKOM-AT (98%), AS3303 SWISSCOM (1%) and AS3212 TELEMACH (<1%). The most common path, used by 18 peers, is AS6939 AS8447 AS21283.

Routes checked 04:57:55 UTC

No change in the origin, the upstreams or the number of peers since 03:28 UTC on 29 Oct, when this site first looked at 2a00:1a20::/32.

AS-path graph toward 2a00:1a20::/32

origin Tier 1Tier 2transitedge network prefix best path: chosen by 18 of 347 peers (5%) number on a line = peers using that link RIS data up to 04:57 UTC what the colours mean 12 of 251 paths drawn 5 quieter networks left out

View JSON Raw upstream

347collector peers

23RIS collectors

251distinct AS paths

3.7average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS8447 A1TELEKOM-AT A1 Telekom Austria AG	341	98%
AS3303 SWISSCOM Swisscom (Schweiz) AG	5	1%
AS3212 TELEMACH Telemach Slovenija d.o.o.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS8447 A1TELEKOM-AT A1 Telekom Austria AG	337	97%
AS6939 Hurricane Electric LLC	154	44%
AS5405 INTERDOTLINK Inter.link GmbH	16	5%
AS3356 Level 3 Parent, LLC	14	4%
AS1299 TWELVE99 Arelion Sweden AB	10	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	5	1%
AS9583 Sify Limited	2	<1%
AS60707 KAPTEYANAS Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S	2	<1%
AS12735 ASTurkNet TurkNet Iletisim Hizmetleri A.S.	2	<1%
AS29632 NASSIST-AS Netassist International EOOD	2	<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 AS8447 AS21283	18	5%	15
2	AS24482 AS8447 AS21283	6	2%	6
3	AS8218 AS8447 AS21283	6	2%	5
4	AS9002 AS8447 AS21283	5	1%	5
5	AS6461 AS8447 AS21283	5	1%	5
6	AS8447 AS21283	4	1%	3
7	AS13030 AS8447 AS21283	4	1%	4
8	AS14840 AS8447 AS21283	4	1%	2
9	AS12779 AS8447 AS21283	3	<1%	3
10	AS15547 AS8447 AS21283	3	<1%	3
11	AS25091 AS8447 AS21283	3	<1%	3
12	AS2914 AS6939 AS8447 AS21283	3	<1%	3
13	AS14907 AS6939 AS8447 AS21283	3	<1%	3
14	AS48185 AS6939 AS8447 AS21283	3	<1%	3
15	AS58057 AS6939 AS8447 AS21283	3	<1%	2
16	AS34927 AS6939 AS8447 AS21283	3	<1%	2
17	AS49544 AS6939 AS8447 AS21283	3	<1%	3
18	AS48362 AS6939 AS8447 AS21283	3	<1%	3
19	AS8529 AS8447 AS21283	2	<1%	2
20	AS35710 AS8447 AS21283	2	<1%	2
21	AS1299 AS8447 AS21283	2	<1%	2
22	AS6667 AS8447 AS21283	2	<1%	2
23	AS47147 AS8447 AS21283	2	<1%	2
24	AS47692 AS8447 AS21283	2	<1%	2
25	AS51184 AS8447 AS21283	2	<1%	2
26	AS199524 AS8447 AS21283	2	<1%	2
27	AS12859 AS8447 AS21283	2	<1%	1
28	AS34019 AS3303 AS21283	2	<1%	2
29	AS49544 AS8447 AS21283	2	<1%	2
30	AS28917 AS8447 AS21283	2	<1%	1
31	AS59890 AS8447 AS21283	2	<1%	2
32	AS19151 AS6939 AS8447 AS21283	2	<1%	2
33	AS24482 AS6939 AS8447 AS21283	2	<1%	2
34	AS199524 AS1299 AS8447 AS21283	2	<1%	2
35	AS6762 AS3356 AS8447 AS21283	2	<1%	2
36	AS199524 AS6939 AS8447 AS21283	2	<1%	2
37	AS852 AS6939 AS8447 AS21283	2	<1%	2
38	AS1403 AS6939 AS8447 AS21283	2	<1%	1
39	AS50628 AS6939 AS8447 AS21283	2	<1%	2
40	AS3257 AS5405 AS8447 AS21283	2	<1%	2
41	AS47147 AS1299 AS8447 AS21283	2	<1%	2
42	AS6424 AS6939 AS8447 AS21283	2	<1%	2
43	AS42473 AS6939 AS8447 AS21283	2	<1%	2
44	AS62167 AS6939 AS8447 AS21283	2	<1%	2
45	AS202032 AS6939 AS8447 AS21283	2	<1%	2
46	AS20612 AS6939 AS8447 AS21283	2	<1%	1
47	AS3491 AS6939 AS8447 AS21283	2	<1%	2
48	AS35280 AS6939 AS8447 AS21283	2	<1%	2
49	AS142289 AS9583 AS6939 AS8447 AS21283	2	<1%	1
50	AS206271 AS60707 AS12735 AS6939 AS8447 AS21283	2	<1%	1

50 of 251 paths shown. All of them are in the JSON.

More prefixes from AS21283

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 04:57 UTC, fetched just now.