ISHOLF
Cluster stats
Netblocks102
Cluster ID191887352
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 4 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
102 0 netblocks since 2026-07-05
2026-07-05 peak 102 2026-07-06

IP Ranges (102)

showing 50 of 102 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
31.209.192.0/19 ISHOLF RIPE ASSIGNED PA ● low
31.209.224.0/20 ISHOLF RIPE ASSIGNED PA ● low
31.209.240.0/21 ISHOLF RIPE ASSIGNED PA ● low
85.220.0.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.16.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.32.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.48.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.64.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.80.0/20 ISHOLF RIPE ASSIGNED PA ● low
85.220.96.0 – 85.220.107.255 ISHOLF RIPE ASSIGNED PA ● low
85.220.108.0 – 85.220.121.255 ISHOLF RIPE ASSIGNED PA ● low
85.220.122.0 – 85.220.127.255 ISHOLF RIPE ASSIGNED PA ● low
157.157.13.0/24 ISHOLF RIPE LEGACY ● low
157.157.14.0/24 ISHOLF RIPE LEGACY ● low
157.157.15.0/24 ISHOLF RIPE LEGACY ● low
157.157.24.0/24 ISHOLF RIPE LEGACY ● low
157.157.28.0/22 ISHOLF RIPE LEGACY ● low
157.157.36.0/24 ISHOLF RIPE LEGACY ● low
157.157.38.0/23 ISHOLF RIPE LEGACY ● low
157.157.41.0/24 ISHOLF RIPE LEGACY ● low
157.157.43.0/24 ISHOLF RIPE LEGACY ● low
157.157.44.0/22 ISHOLF RIPE LEGACY ● low
157.157.49.0/24 ISHOLF RIPE LEGACY ● low
157.157.63.0/24 ISHOLF RIPE LEGACY ● low
157.157.66.0 – 157.157.68.255 ISHOLF RIPE LEGACY ● low
157.157.70.0/23 ISHOLF RIPE LEGACY ● low
157.157.72.0/24 ISHOLF RIPE LEGACY ● low
157.157.73.0/24 ISHOLF RIPE LEGACY ● low
157.157.74.0/23 ISHOLF RIPE LEGACY ● low
157.157.76.0 – 157.157.78.255 ISHOLF RIPE LEGACY ● low
157.157.79.0/24 ISHOLF RIPE LEGACY ● low
157.157.81.0/24 ISHOLF RIPE LEGACY ● low
157.157.82.0/24 ISHOLF RIPE LEGACY ● low
157.157.83.0/24 ISHOLF RIPE LEGACY ● low
157.157.85.0/24 ISHOLF RIPE LEGACY ● low
157.157.87.0/24 ISHOLF RIPE LEGACY ● low
157.157.88.0/24 ISHOLF RIPE LEGACY ● low
157.157.101.0/24 ISHOLF RIPE LEGACY ● low
157.157.102.0/23 ISHOLF RIPE LEGACY ● low
157.157.104.0 – 157.157.109.255 ISHOLF RIPE LEGACY ● low
157.157.116.0/24 ISHOLF RIPE LEGACY ● low
157.157.117.0/24 ISHOLF RIPE LEGACY ● low
157.157.118.0/23 ISHOLF RIPE LEGACY ● low
157.157.125.0 – 157.157.127.255 ISHOLF RIPE LEGACY ● low
157.157.128.0/24 ISHOLF RIPE LEGACY ● low
157.157.139.0/24 ISHOLF RIPE LEGACY ● low
157.157.140.0/24 ISHOLF RIPE LEGACY ● low
157.157.141.0/24 ISHOLF RIPE LEGACY ● low
157.157.142.0/24 ISHOLF RIPE LEGACY ● low
157.157.146.0/24 ISHOLF RIPE LEGACY ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (102 of 102)
Possible discrepancies (101)

These blocks are registered to ISHOLF but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

31.209.192.0/19 /19 authorized for AS1299 — Arelion Sweden AB
85.220.0.0/20 /20 authorized for AS1299 — Arelion Sweden AB
85.220.16.0/20 /20 authorized for AS1299 — Arelion Sweden AB
85.220.32.0/20 /20 authorized for AS1299 — Arelion Sweden AB
85.220.48.0/20 /20 authorized for AS1299 — Arelion Sweden AB
85.220.80.0/20 /20 authorized for AS1299 — Arelion Sweden AB
85.220.64.0/20 /20 authorized for AS1299 — Arelion Sweden AB
31.209.224.0/20 /20 authorized for AS1299 — Arelion Sweden AB
157.157.230.0 – 157.157.244.255 /20 authorized for AS1299 — Arelion Sweden AB
85.220.108.0 – 85.220.121.255 /20 authorized for AS1299 — Arelion Sweden AB
157.157.192.0 – 157.157.204.255 /20 authorized for AS1299 — Arelion Sweden AB
85.220.96.0 – 85.220.107.255 /20 authorized for AS1299 — Arelion Sweden AB
157.157.206.0 – 157.157.214.255 /21 authorized for AS1299 — Arelion Sweden AB
31.209.240.0/21 /21 authorized for AS1299 — Arelion Sweden AB
157.157.174.0 – 157.157.180.255 /21 authorized for AS1299 — Arelion Sweden AB
+86 more — see the REST API

NIC Handles

AR15678-RIPE DUMY-RIPE DUMY-RIPE MILAHF-MNT