BGP map for 2001:df0:21a::/48

2001:df0:21a::/48 is announced by AS23855 Singapore Advanced Research and Education Network and seen by 341 peers of 23 RIPE RIS collectors, over 249 different AS paths. Its busiest upstreams are AS4637 Telstra Global (91%), AS24482 SG.GS (3%) and AS134148 SingAREN (2%). The most common path, used by 18 peers, is AS6939 AS4637 AS23855.

Routes checked 22:44:52 UTC

No change in the origin, the upstreams or the number of peers since 02:05 UTC on 29 Oct, when this site first looked at 2001:df0:21a::/48.

AS-path graph toward 2001:df0:21a::/48

origin Tier 1Tier 2edge network prefix best path: chosen by 18 of 341 peers (5%) number on a line = peers using that link RIS data up to 22:43 UTC what the colours mean 12 of 249 paths drawn 2 quieter networks left out

View JSON Raw upstream

341collector peers

23RIS collectors

249distinct AS paths

3.8average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4637 Telstra Global	311	91%
AS24482 SG.GS	9	3%
AS134148 SingAREN	6	2%
AS20965 GEANT GEANT Vereniging	4	1%
AS1103 SURFNET-NL SURF B.V.	2	<1%
AS4777 Asia Pacific Network Information Centre	1	<1%
AS59105 Home NOC Operators Group	1	<1%
AS38229 Lanka Education & Research Network, NREN	1	<1%
AS36236 NetActuate, Inc	1	<1%
AS1828 Unitas Global	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4637 Telstra Global	310	91%
AS6939 Hurricane Electric LLC	204	60%
AS3356 Level 3 Parent, LLC	9	3%
AS134148 SingAREN	6	2%
AS1299 TWELVE99 Arelion Sweden AB	4	1%
AS20965 GEANT GEANT Vereniging	4	1%
AS3491 PCCW Global (HK) Ltd.	3	<1%
AS13030 INIT7 Init7 (Switzerland) Ltd.	3	<1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	3	<1%
AS9002 RETN-AS RETN Limited	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 AS4637 AS23855	18	5%	14
2	AS24482 AS23855	9	3%	9
3	AS8218 AS6939 AS4637 AS23855	6	2%	5
4	AS9002 AS4637 AS23855	5	1%	5
5	AS6461 AS4637 AS23855	5	1%	5
6	AS13030 AS4637 AS23855	4	1%	4
7	AS58057 AS6939 AS4637 AS23855	4	1%	3
8	AS34927 AS6939 AS4637 AS23855	4	1%	3
9	AS14840 AS6939 AS4637 AS23855	4	1%	2
10	AS2914 AS6939 AS4637 AS23855	3	<1%	3
11	AS48185 AS6939 AS4637 AS23855	3	<1%	3
12	AS3214 AS6939 AS4637 AS23855	3	<1%	3
13	AS12779 AS6939 AS4637 AS23855	3	<1%	3
14	AS48362 AS6939 AS4637 AS23855	3	<1%	3
15	AS15547 AS6939 AS4637 AS23855	3	<1%	3
16	AS2497 AS4637 AS23855	2	<1%	2
17	AS19151 AS4637 AS23855	2	<1%	2
18	AS6762 AS4637 AS23855	2	<1%	2
19	AS8529 AS4637 AS23855	2	<1%	2
20	AS1299 AS4637 AS23855	2	<1%	2
21	AS3257 AS4637 AS23855	2	<1%	2
22	AS47147 AS4637 AS23855	2	<1%	2
23	AS14907 AS4637 AS23855	2	<1%	2
24	AS49544 AS4637 AS23855	2	<1%	2
25	AS51185 AS6939 AS4637 AS23855	2	<1%	2
26	AS852 AS6939 AS4637 AS23855	2	<1%	2
27	AS1403 AS6939 AS4637 AS23855	2	<1%	1
28	AS14907 AS6939 AS4637 AS23855	2	<1%	2
29	AS50628 AS6939 AS4637 AS23855	2	<1%	2
30	AS49544 AS6939 AS4637 AS23855	2	<1%	2
31	AS6667 AS6939 AS4637 AS23855	2	<1%	2
32	AS34019 AS6939 AS4637 AS23855	2	<1%	2
33	AS47692 AS6939 AS4637 AS23855	2	<1%	2
34	AS51184 AS6939 AS4637 AS23855	2	<1%	2
35	AS12859 AS6939 AS4637 AS23855	2	<1%	1
36	AS25160 AS1299 AS4637 AS23855	2	<1%	2
37	AS6424 AS6939 AS4637 AS23855	2	<1%	2
38	AS42473 AS6939 AS4637 AS23855	2	<1%	2
39	AS62167 AS6939 AS4637 AS23855	2	<1%	2
40	AS202032 AS6939 AS4637 AS23855	2	<1%	2
41	AS28917 AS6939 AS4637 AS23855	2	<1%	1
42	AS59890 AS6939 AS4637 AS23855	2	<1%	2
43	AS20612 AS6939 AS4637 AS23855	2	<1%	1
44	AS142289 AS9583 AS6939 AS4637 AS23855	2	<1%	1
45	AS206271 AS60707 AS12735 AS6939 AS4637 AS23855	2	<1%	1
46	AS23855	1	<1%	1
47	AS4777 AS23855	1	<1%	1
48	AS59105 AS23855	1	<1%	1
49	AS38229 AS23855	1	<1%	1
50	AS36236 AS23855	1	<1%	1

50 of 249 paths shown. All of them are in the JSON.

More prefixes from AS23855

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 22:43 UTC, fetched just now.