ORG-ATK1-RIPE
BGP inherited
Cluster stats
Netblocks13
All fragments 903,420 blocks across 3,354 clusters
Cluster ID195630838
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 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
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
37.220.128.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
37.220.134.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
37.220.135.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
37.220.143.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
91.190.186.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
91.190.191.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
92.61.108.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
92.61.110.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
109.74.50.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
109.74.51.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
109.74.52.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
109.74.53.0/24 UNKNOWN RIPE ASSIGNED PA ● medium
109.74.57.0/24 UNKNOWN RIPE ASSIGNED PA ● medium

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (13 of 13)
Possible discrepancies (4)

These blocks are registered to ORG-ATK1-RIPE 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.

91.190.186.0/24 /24 authorized for AS2914 — NTT America, Inc.
91.190.191.0/24 /24 authorized for AS2914 — NTT America, Inc.
92.61.108.0/24 /24 authorized for AS6830 — Liberty Global Europe Holding B.V.
92.61.110.0/24 /24 authorized for AS2914 — NTT America, Inc.

NIC Handles

ACRO45564-RIPE DUMY-RIPE DUMY-RIPE MNT-ACE interlir-mnt lir-ae-rcstechnologies-1-MNT