Alcatraz Information Security
Cluster stats
Netblocks11
All fragments 20 blocks across 10 clusters
Cluster ID193382299
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (11)

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CIDR Org name Registry Status Confidence
77.95.71.92/32 Alcatraz Information Security PEERINGDB ASSIGNED ● high
195.42.144.189/32 Alcatraz Information Security PEERINGDB ASSIGNED ● high
94.185.64.129 – 94.185.64.175 alcatraz_ISP_LYS RIPE ASSIGNED PA ● low
94.185.68.32 – 94.185.68.127 ALCATRAZ_ISP_MRS RIPE ASSIGNED PA ● low
94.185.68.144 – 94.185.68.255 ALCATRAZ_ISP_MRS RIPE ASSIGNED PA ● low
94.185.69.0/24 alcatraz_ISP_MRS RIPE ASSIGNED PA ● low
94.185.71.64 – 94.185.71.255 Alcatraz-BB RIPE AGGREGATED-BY-LIR ● low
185.118.16.0/24 ALCATRAZ-LYS1 RIPE AGGREGATED-BY-LIR ● low
185.118.17.0/24 ALCATRAZ-LYS2 RIPE AGGREGATED-BY-LIR ● low
185.118.18.0/24 ALCATRAZ-MRS1 RIPE AGGREGATED-BY-LIR ● low
185.118.19.0/24 ALCATRAZ-MRS1_B RIPE AGGREGATED-BY-LIR ● 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 (5)

These blocks are registered to Alcatraz Information Security 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.

94.185.69.0/24 /24 authorized for AS197653 — KOESIO Networks SAS
185.118.16.0/24 /24 authorized for AS197653 — KOESIO Networks SAS
185.118.17.0/24 /24 authorized for AS197653 — KOESIO Networks SAS
185.118.18.0/24 /24 authorized for AS197653 — KOESIO Networks SAS
185.118.19.0/24 /24 authorized for AS197653 — KOESIO Networks SAS

NIC Handles

AS197653 DUMY-RIPE DUMY-RIPE MNT-ALCATRAZ MNT-CPRO