BGP map for 146.102.0.0/16

146.102.0.0/16 is announced by AS2852 CESNET2 and seen by 350 peers of 23 RIPE RIS collectors, over 276 different AS paths. Its busiest upstreams are AS21320 GEANT_IAS_VRF (16%), AS174 Cogent Communications, LLC (12%) and AS1853 ACONET (8%). The most common path, used by 10 peers, is AS24482 AS2852.

Routes checked 11:42:59 UTC

No change in the origin, the upstreams or the number of peers since 17:02 UTC on 26 Oct, when this site first looked at 146.102.0.0/16.

AS-path graph toward 146.102.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 350 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 276 paths drawn 7 quieter networks left out

View JSON Raw upstream

350collector peers

23RIS collectors

276distinct AS paths

3.1average AS hops, 1 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS21320 GEANT_IAS_VRF GEANT Vereniging	57	16%
AS174 Cogent Communications, LLC	43	12%
AS1853 ACONET	29	8%
AS60606 Blindspot PRO-ZETA a.s.	20	6%
AS6461 Zayo Bandwidth	13	4%
AS6939 Hurricane Electric LLC	12	3%
AS24482 SG.GS	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	2%
AS20965 GEANT GEANT Vereniging	7	2%
AS14840 BR.Digital Telecom	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS21320 GEANT_IAS_VRF GEANT Vereniging	51	15%
AS2603 NORDUNET NORDUnet	45	13%
AS174 Cogent Communications, LLC	43	12%
AS1853 ACONET	28	8%
AS39392 SuperNetwork SH.cz s.r.o.	20	6%
AS60606 Blindspot PRO-ZETA a.s.	20	6%
AS6939 Hurricane Electric LLC	12	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	12	3%
AS9002 RETN-AS RETN Limited	8	2%
AS6461 Zayo Bandwidth	8	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	AS24482 AS2852	10	3%	10
2	AS8218 AS2852	7	2%	6
3	AS21320 AS2852	6	2%	6
4	AS6461 AS2852	5	1%	5
5	AS12779 AS2852	4	1%	4
6	AS14840 AS2852	4	1%	2
7	AS9002 AS1853 AS2852	4	1%	4
8	AS48185 AS2852	3	<1%	3
9	AS13030 AS2852	3	<1%	3
10	AS47147 AS2852	3	<1%	3
11	AS25091 AS2852	3	<1%	3
12	AS48362 AS2852	3	<1%	3
13	AS2914 AS174 AS2852	3	<1%	3
14	AS3491 AS2603 AS21320 AS2852	3	<1%	3
15	AS3214 AS2603 AS21320 AS2852	3	<1%	3
16	AS199524 AS3491 AS2603 AS21320 AS2852	3	<1%	3
17	AS2852	2	<1%	2
18	AS34927 AS2852	2	<1%	2
19	AS25160 AS2852	2	<1%	2
20	AS212483 AS2852	2	<1%	1
21	AS49544 AS2852	2	<1%	2
22	AS34019 AS2852	2	<1%	2
23	AS199524 AS2852	2	<1%	2
24	AS15547 AS2852	2	<1%	2
25	AS51184 AS2852	2	<1%	2
26	AS3320 AS174 AS2852	2	<1%	2
27	AS47692 AS1853 AS2852	2	<1%	2
28	AS59890 AS1853 AS2852	2	<1%	2
29	AS19151 AS174 AS2852	2	<1%	2
30	AS20612 AS9044 AS2852	2	<1%	1
31	AS31027 AS6797 AS2852	2	<1%	1
32	AS42473 AS9002 AS1853 AS2852	2	<1%	2
33	AS1299 AS39392 AS60606 AS2852	2	<1%	2
34	AS2497 AS2603 AS21320 AS2852	2	<1%	2
35	AS6762 AS2603 AS21320 AS2852	2	<1%	2
36	AS35710 AS2603 AS21320 AS2852	2	<1%	2
37	AS49544 AS3356 AS174 AS2852	2	<1%	1
38	AS51185 AS6762 AS2603 AS21320 AS2852	2	<1%	2
39	AS142289 AS9583 AS4755 AS6453 AS174 AS2852	2	<1%	1
40	AS37721 AS2852	1	<1%	1
41	AS50300 AS2852	1	<1%	1
42	AS29504 AS2852	1	<1%	1
43	AS3333 AS2852	1	<1%	1
44	AS17639 AS2852	1	<1%	1
45	AS34549 AS2852	1	<1%	1
46	AS1828 AS2852	1	<1%	1
47	AS12969 AS2852	1	<1%	1
48	AS39122 AS2852	1	<1%	1
49	AS14630 AS2852	1	<1%	1
50	AS271253 AS2852	1	<1%	1

50 of 276 paths shown. All of them are in the JSON.

More prefixes from AS2852

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched 2 hours ago.