BGP map for 2001:1b28::/32

2001:1b28::/32 is announced by AS8728 AS and seen by 362 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (54%), AS9002 RETN-AS (34%) and AS174 Cogent Communications, LLC (6%). The most common path, used by 16 peers, is AS6939 AS8728.

Routes checked 06:13:21 UTC

No change in the origin, the upstreams or the number of peers since 06:13 UTC, when this site first looked at 2001:1b28::/32.

AS-path graph toward 2001:1b28::/32

origin Tier 1Tier 2edge network prefix best path: chosen by 16 of 362 peers (4%) number on a line = peers using that link RIS data up to 06:13 UTC what the colours mean 12 of 260 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

362collector peers

23RIS collectors

260distinct AS paths

3.0average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	196	54%
AS9002 RETN-AS RETN Limited	123	34%
AS174 Cogent Communications, LLC	22	6%
AS24482 SG.GS	3	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS35280 F5 F5 Networks SARL	2	<1%
AS5405 INTERDOTLINK Inter.link GmbH	2	<1%
AS3303 SWISSCOM Swisscom (Schweiz) AG	2	<1%
AS50304 BLIX Blix Solutions AS	1	<1%
AS36236 NetActuate, Inc	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	180	50%
AS9002 RETN-AS RETN Limited	114	31%
AS174 Cogent Communications, LLC	22	6%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	3	<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%
AS3303 SWISSCOM Swisscom (Schweiz) AG	2	<1%
AS29632 NASSIST-AS Netassist International EOOD	2	<1%
AS20473 The Constant Company, LLC	1	<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 AS8728	16	4%	15
2	AS9002 AS8728	9	2%	8
3	AS24482 AS9002 AS8728	7	2%	7
4	AS6461 AS9002 AS8728	5	1%	5
5	AS8218 AS9002 AS8728	5	1%	5
6	AS13030 AS6939 AS8728	4	1%	4
7	AS34927 AS6939 AS8728	4	1%	3
8	AS14840 AS6939 AS8728	4	1%	2
9	AS12779 AS6939 AS8728	4	1%	4
10	AS47147 AS9002 AS8728	4	1%	4
11	AS24482 AS8728	3	<1%	3
12	AS51185 AS6939 AS8728	3	<1%	3
13	AS2914 AS6939 AS8728	3	<1%	3
14	AS199524 AS6939 AS8728	3	<1%	3
15	AS14907 AS6939 AS8728	3	<1%	3
16	AS48185 AS6939 AS8728	3	<1%	3
17	AS49544 AS6939 AS8728	3	<1%	3
18	AS48362 AS6939 AS8728	3	<1%	3
19	AS58057 AS9002 AS8728	3	<1%	2
20	AS15547 AS6939 AS8728	3	<1%	3
21	AS25091 AS9002 AS8728	3	<1%	3
22	AS49544 AS8728	2	<1%	2
23	AS19151 AS6939 AS8728	2	<1%	2
24	AS199524 AS9002 AS8728	2	<1%	2
25	AS6762 AS9002 AS8728	2	<1%	2
26	AS852 AS6939 AS8728	2	<1%	2
27	AS1403 AS6939 AS8728	2	<1%	1
28	AS50628 AS9002 AS8728	2	<1%	2
29	AS37721 AS6939 AS8728	2	<1%	1
30	AS31027 AS6939 AS8728	2	<1%	1
31	AS35710 AS6939 AS8728	2	<1%	2
32	AS1299 AS174 AS8728	2	<1%	2
33	AS3214 AS9002 AS8728	2	<1%	2
34	AS6667 AS9002 AS8728	2	<1%	2
35	AS47692 AS9002 AS8728	2	<1%	2
36	AS51184 AS9002 AS8728	2	<1%	2
37	AS3320 AS6939 AS8728	2	<1%	2
38	AS6830 AS174 AS8728	2	<1%	2
39	AS8218 AS6939 AS8728	2	<1%	2
40	AS12859 AS9002 AS8728	2	<1%	1
41	AS25160 AS9002 AS8728	2	<1%	2
42	AS202032 AS6939 AS8728	2	<1%	2
43	AS28917 AS6939 AS8728	2	<1%	1
44	AS59890 AS9002 AS8728	2	<1%	2
45	AS20612 AS9002 AS8728	2	<1%	1
46	AS3491 AS174 AS8728	2	<1%	2
47	AS35280 AS6939 AS8728	2	<1%	2
48	AS142289 AS9583 AS6939 AS8728	2	<1%	1
49	AS206271 AS60707 AS12735 AS6939 AS8728	2	<1%	1
50	AS8728	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS8728

Routes seen by RIPE RIS in the 24 hours up to 17 Sep 2026, 06:13 UTC, fetched just now.