Check Networks GmbH
Check Networks
LEI
984500CA0FAAE3E75063
Registered name
Check Networks GmbH
Jurisdiction
DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks13
All fragments 231 blocks across 16 clusters
Cluster ID191659102
RegistryAPNIC
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 984500CA0FAAE3E75063
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
23.27.151.0/24 Check Networks BGP ANNOUNCED ● high
103.136.103.12/32 Check Networks PEERINGDB ASSIGNED ● high
103.190.128.0/24 Check Networks BGP ANNOUNCED ● high
103.190.129.0/24 Check Networks BGP ANNOUNCED ● high
151.242.108.0/24 Check Networks RIPE ASSIGNED PA ● high
151.242.108.0/24 Check Networks BGP ANNOUNCED ● high
166.88.22.0/24 Check Networks BGP ANNOUNCED ● high
218.100.76.12/32 Check Networks PEERINGDB ASSIGNED ● high
2001:7fa:11:2:2:49f4:0:1/128 Check Networks PEERINGDB ASSIGNED ● high
2001:df0:680:4::c/128 Check Networks PEERINGDB ASSIGNED ● high
2400:9060::/32 Check Networks BGP ANNOUNCED ● high
103.190.128.0/23 Check Networks APNIC ALLOCATED PORTABLE ● low
2400:9060::/32 Check Networks APNIC ALLOCATED PORTABLE ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.6% of checked blocks have valid RPKI ROA coverage (11 of 13)
Possible discrepancies (1)

These blocks are registered to Check Networks 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.

166.88.22.0/24 /24 authorized for AS834 — IPXO LLC

NIC Handles

AC2597-AP APNIC-HM AS150004 AS150004 CN15317-RIPE CTGP1-AP CTGP1-AP DUMY-RIPE DUMY-RIPE MAINT-CTGPL-AU ORG-CN12-AP ORG-CN236-RIPE +2 more