Internet Service Europe BV
Cluster stats
Netblocks9
All fragments 64 blocks across 12 clusters
Cluster ID191782720
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-06

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
77.42.50.40/29 INTERNET-SERVICE-EUROPE-BV RIPE ASSIGNED PA ● low
83.172.128.0 – 83.172.133.255 Internet Service Europe BV RIPE ALLOCATED PA ● low
83.172.160.0/23 Internet Service Europe BV RIPE ALLOCATED PA ● low
83.172.180.0/22 Internet Service Europe BV RIPE ALLOCATED PA ● low
83.172.188.0/23 Internet Service Europe BV RIPE ALLOCATED PA ● low
136.243.207.24/29 INTERNET-SERVICE-EUROPE-BV RIPE LEGACY ● low
2a01:4f8:212:78e::/64 INTERNET-SERVICE-EUROPE-BV RIPE ASSIGNED ● low
2a01:4f9:2b:1b21::/64 INTERNET-SERVICE-EUROPE-BV RIPE ASSIGNED ● low
2a02:cec0::/30 Internet Service Europe BV RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
77.8% of checked blocks have valid RPKI ROA coverage (7 of 9)
Possible discrepancies (4)

These blocks are registered to Internet Service Europe BV 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:cec0::/30 /30 authorized for AS25459 — Eurofiber Cloud Infra B.V.
83.172.180.0/22 /22 authorized for AS25459 — Eurofiber Cloud Infra B.V.
83.172.188.0/23 /23 authorized for AS25459 — Eurofiber Cloud Infra B.V.
83.172.160.0/23 /23 authorized for AS25459 — Eurofiber Cloud Infra B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE HOS-GUN ORG-ISEL1-RIPE RIPE-NCC-HM-MNT