CERN - European Organization for Nuclear Research
Cluster stats
Netblocks76
All fragments 80 blocks across 4 clusters
Cluster ID191601291
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (76)

showing 50 of 76 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
128.141.0.0/16 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
128.142.0.0/16 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
137.138.0.0/16 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
185.249.56.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
188.184.0.0/16 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
188.185.0.0/16 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.16.155.0/24 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.16.156.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.16.160.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.16.164.0/23 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.16.166.0/24 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.65.183.0/24 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.65.184.0/21 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.65.192.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.65.196.0/23 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.91.236.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.91.240.0/22 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.91.244.0/23 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
192.91.246.0/24 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
194.12.128.0/18 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
2001:67c:2c4::/48 CERN - European Organization for Nuclear Research RIPE ASSIGNED PI ● high
2001:1458::/32 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
2001:1459::/32 CERN - European Organization for Nuclear Research BGP ANNOUNCED ● high
128.141.0.0/16 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
128.141.0.0 – 128.142.255.255 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
128.142.0.0/16 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
137.138.0.0/16 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
185.249.56.0/22 CERN - European Organization for Nuclear Research RIPE ALLOCATED PA ● low
188.184.0.0/15 CERN - European Organization for Nuclear Research RIPE ALLOCATED PA ● low
192.16.155.0 – 192.16.166.255 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.155.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.156.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.157.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.158.0 – 192.16.164.255 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.158.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.159.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.160.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.161.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.162.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.163.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.164.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.165.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.16.166.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.183.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.183.0 – 192.65.197.255 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.184.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.185.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.186.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.187.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low
192.65.188.0/24 CERN - European Organization for Nuclear Research RIPE LEGACY ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
86.8% of checked blocks have valid RPKI ROA coverage (66 of 76)
No discrepancies found among checked blocks.

NIC Handles

AS513 CERN-MNT CERN-MNT DUMY-RIPE DUMY-RIPE ORG-CEOf1-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT RIPE-NCC-LEGACY-MNT USLHCNET-MNT