NTT Security GmbH
LEI
52990018XDW3NOP47M51
Registered name
NTT Security GmbH
Jurisdiction
DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks7
All fragments 15 blocks across 8 clusters
Cluster ID192068307
RegistryRIPE
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 52990018XDW3NOP47M51
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-06

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
193.17.171.0/24 NTT Security GmbH RIPE ASSIGNED PI ● low
193.22.236.0/22 NTT Security GmbH RIPE ALLOCATED PA ● low
194.5.164.0/23 NTT Security GmbH RIPE ALLOCATED PA ● low
194.5.168.0/23 NTT Security GmbH RIPE ALLOCATED PA ● low
194.62.236.0/24 NTT Security GmbH RIPE ASSIGNED PI ● low
194.120.119.0/24 NTT Security GmbH RIPE ASSIGNED PI ● low
2a00:2381:cb1a::/48 NTT-SECURITY RIPE AGGREGATED-BY-LIR ● low

Corporate group (5 entities) ~

Network trust

what's this?
RPKI hygiene: F how networks compare →
14.3% of checked blocks have valid RPKI ROA coverage (1 of 7)
Possible discrepancies (1)

These blocks are registered to NTT Security 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.

2a00:2381:cb1a::/48 /48 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE NTTSH13867-MNT ORG-NSG10-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT uk-nttsecurity-1-mnt