ORG-Oa141-RIPE
Cluster stats
Netblocks40
All fragments 903,420 blocks across 3,354 clusters
Cluster ID195630574
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
40 0 netblocks since 2026-07-05
2026-07-05 peak 40 2026-07-06

IP Ranges (40)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.91.210.0/27 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.210.152/29 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.210.160/29 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.210.168/29 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.210.192/26 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.211.0/25 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.211.128/28 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.211.240/28 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.213.0 – 81.91.213.211 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.213.212/30 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.213.216 – 81.91.213.247 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.213.248/30 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.214.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.215.0 – 81.91.215.47 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.215.68/30 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.215.76/30 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.215.160 – 81.91.215.255 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.216.32/27 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.216.224/28 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.217.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.218.0/26 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.218.64 – 81.91.218.255 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.219.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.220.8/29 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.220.16 – 81.91.220.127 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.220.160 – 81.91.220.192 UNKNOWN RIPE ASSIGNED PA ● medium
81.91.223.128/25 UNKNOWN RIPE ASSIGNED PA ● medium
2a02:2310:4003::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:4004::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:4007::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:403f::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5001::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5002::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5003::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5004::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5005::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:5006::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:ab01::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:ac01::/48 UNKNOWN RIPE ASSIGNED ● medium
2a02:2310:ae01::/48 UNKNOWN RIPE ASSIGNED ● medium

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (40 of 40)
Possible discrepancies (16)

These blocks are registered to ORG-Oa141-RIPE but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a02:2310:4003::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:4004::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:403f::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:ab01::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:ac01::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5001::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5002::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5003::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5004::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:4007::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5005::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:5006::/48 /48 authorized for AS39817 — OvaNet, a.s.
2a02:2310:ae01::/48 /48 authorized for AS39817 — OvaNet, a.s.
81.91.219.0/24 /24 authorized for AS39817 — OvaNet, a.s.
81.91.217.0/24 /24 authorized for AS39817 — OvaNet, a.s.
+1 more — see the REST API

NIC Handles

DUMY-RIPE DUMY-RIPE MNT-OVANET