James Clark

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks4 · 289 IPv4 addresses
IPv6 1 prefix (largest 2001:8b0:645f::/64)
Cluster ID213553522
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

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CIDR Org name Registry Status Confidence
192.88.130.0/24 James Clark RIPE LEGACY ● high
81.2.106.128/27 JAMES-CLARK RIPE ASSIGNED PA ● low
81.187.46.69/32 JAMES-CLARK RIPE ASSIGNED PA ● low
2001:8b0:645f::/64 JAMES-CLARK RIPE ASSIGNED ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (3 of 4)
No discrepancies found among checked blocks.

NIC Handles

AA DUMY-RIPE DUMY-RIPE JCLARK-MNT ORG-JC150-RIPE RIPE-NCC-LEGACY-MNT RIPE-NCC-LOCKED-MNT