Cirrax GmbH
Cluster stats
Netblocks11
All fragments 13 blocks across 3 clusters
Cluster ID193747008
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

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
88.214.4.0/22 Cirrax GmbH RIPE ALLOCATED PA ● low
217.197.128.0/21 Cirrax GmbH RIPE ALLOCATED PA ● low
217.197.128.0 – 217.197.128.30 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.128.64/28 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.129.0/24 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.131.0/28 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.131.16/28 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.131.32/28 CIRRAX-NET RIPE ASSIGNED PA ● low
217.197.132.0/23 CIRRAX-NET RIPE ASSIGNED PA ● low
2a03:580::/32 Cirrax GmbH RIPE ALLOCATED-BY-RIR ● low
2a03:580:1::/48 CIRRAX-NET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (11 of 11)
Possible discrepancies (6)

These blocks are registered to Cirrax GmbH 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.

2a03:580::/32 /32 authorized for AS15576 — NTS workspace AG
2a03:580:1::/48 /48 authorized for AS15576 — NTS workspace AG
217.197.128.0/21 /21 authorized for AS15576 — NTS workspace AG
88.214.4.0/22 /22 authorized for AS15576 — NTS workspace AG
217.197.132.0/23 /23 authorized for AS15576 — NTS workspace AG
217.197.129.0/24 /24 authorized for AS15576 — NTS workspace AG

NIC Handles

CIRRAX-MNT DUMY-RIPE DUMY-RIPE ORG-CG62-RIPE RIPE-NCC-HM-MNT