bgpmap

BGP map for 147.33.0.0/16

147.33.0.0/16 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 12:12:56 UTC

No change in the origin, the upstreams or the number of peers since 20:50 UTC on 28 Oct, when this site first looked at 147.33.0.0/16.

AS-path graph toward 147.33.0.0/16
BGP map of 147.33.0.0/167 networks on the paths RIPE RIS collector peers use to reach 147.33.0.0/16. Best path, chosen by the most peers: AS24482 → AS2852.AS8218 → AS2852 · 7 routesAS21320 → AS2852 · 6 routesAS6461 → AS2852 · 5 routesAS12779 → AS2852 · 4 routesAS24482 → AS2852 · 10 routes · best pathAS2852 → 147.33.0.0/16 · 55 routes · best path7AS8218 → AS2852 · 7 routes6AS21320 → AS2852 · 6 routes5AS6461 → AS2852 · 5 routes4AS12779 → AS2852 · 4 routes10AS24482 → AS2852 · 10 routes · best path55AS2852 → 147.33.0.0/16 · 55 routes · best pathAS2852CESNET2 CESNET z.s.p.o.AS2852 CESNET2 CESNET z.s.p.o. · origin · 55 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 10 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS21320GEANT_IAS_VRFGEANT VerenigingAS21320 GEANT_IAS_VRF GEANT Vereniging · edge network · 6 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routes147.33.0.0/16147.33.0.0/16

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 09:59 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.

NetworkPeersShare
AS21320 GEANT_IAS_VRF GEANT Vereniging5716%
AS174 Cogent Communications, LLC4312%
AS1853 ACONET298%
AS60606 Blindspot PRO-ZETA a.s.206%
AS6461 Zayo Bandwidth134%
AS6939 Hurricane Electric LLC123%
AS24482 SG.GS103%
AS8218 NEO-ASN Zayo Infrastructure France SA82%
AS20965 GEANT GEANT Vereniging72%
AS14840 BR.Digital Telecom51%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS21320 GEANT_IAS_VRF GEANT Vereniging5115%
AS2603 NORDUNET NORDUnet4513%
AS174 Cogent Communications, LLC4312%
AS1853 ACONET288%
AS39392 SuperNetwork SH.cz s.r.o.206%
AS60606 Blindspot PRO-ZETA a.s.206%
AS6939 Hurricane Electric LLC123%
AS33891 CORE-BACKBONE Core-Backbone GmbH123%
AS9002 RETN-AS RETN Limited82%
AS6461 Zayo Bandwidth82%

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 originPeersShareCollectors
1AS24482AS2852103%10
2AS8218AS285272%6
3AS21320AS285262%6
4AS6461AS285251%5
5AS12779AS285241%4
6AS14840AS285241%2
7AS9002AS1853AS285241%4
8AS48185AS28523<1%3
9AS13030AS28523<1%3
10AS47147AS28523<1%3
11AS25091AS28523<1%3
12AS48362AS28523<1%3
13AS2914AS174AS28523<1%3
14AS3491AS2603AS21320AS28523<1%3
15AS3214AS2603AS21320AS28523<1%3
16AS199524AS3491AS2603AS21320AS28523<1%3
17AS28522<1%2
18AS34927AS28522<1%2
19AS25160AS28522<1%2
20AS212483AS28522<1%1
21AS49544AS28522<1%2
22AS34019AS28522<1%2
23AS199524AS28522<1%2
24AS15547AS28522<1%2
25AS51184AS28522<1%2
26AS3320AS174AS28522<1%2
27AS47692AS1853AS28522<1%2
28AS59890AS1853AS28522<1%2
29AS19151AS174AS28522<1%2
30AS20612AS9044AS28522<1%1
31AS31027AS6797AS28522<1%1
32AS42473AS9002AS1853AS28522<1%2
33AS1299AS39392AS60606AS28522<1%2
34AS2497AS2603AS21320AS28522<1%2
35AS6762AS2603AS21320AS28522<1%2
36AS35710AS2603AS21320AS28522<1%2
37AS49544AS3356AS174AS28522<1%1
38AS51185AS6762AS2603AS21320AS28522<1%2
39AS142289AS9583AS4755AS6453AS174AS28522<1%1
40AS37721AS28521<1%1
41AS50300AS28521<1%1
42AS29504AS28521<1%1
43AS3333AS28521<1%1
44AS17639AS28521<1%1
45AS34549AS28521<1%1
46AS1828AS28521<1%1
47AS12969AS28521<1%1
48AS39122AS28521<1%1
49AS14630AS28521<1%1
50AS271253AS28521<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, 09:59 UTC, fetched just now.