Department Noc
Cluster stats
Netblocks28
All fragments 619 blocks across 156 clusters
Cluster ID191813514
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (28)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.196.32.88/29 Department Noc RIPE ASSIGNED PA ● high
51.89.246.224/30 Department Accounts RIPE LEGACY ● high
51.254.148.200/29 Department Noc RIPE LEGACY ● high
51.254.164.232/29 Department Noc RIPE LEGACY ● high
51.255.133.56/29 Department Noc RIPE LEGACY ● high
142.92.0.0/16 Department of Communications BGP ANNOUNCED ● high
62.6.63.120/29 DEPARTMENT-FOR RIPE ASSIGNED PA ● low
62.6.209.112/29 DEPARTMENT-FOR-INTERNATIONAL RIPE ASSIGNED PA ● low
195.99.246.48/28 DEPARTMENT-FOR RIPE ASSIGNED PA ● low
203.108.253.232/29 DEPARTMENT-AU APNIC ASSIGNED NON-PORTABLE ● low
203.166.24.96/29 DEPARTMENT-AU APNIC ASSIGNED NON-PORTABLE ● low
203.166.124.0/27 DEPARTMENT-AU APNIC ASSIGNED NON-PORTABLE ● low
217.32.216.184/29 DEPARTMENT-OF RIPE ASSIGNED PA ● low
217.38.47.136/29 DEPARTMENT-FOR RIPE ASSIGNED PA ● low
217.38.175.48/28 DEPARTMENT-FOR RIPE ASSIGNED PA ● low
2a00:2381:178c::/48 DEPARTMENT-FOR RIPE AGGREGATED-BY-LIR ● low
2a00:2381:1e99::/48 DEPARTMENT-OF RIPE AGGREGATED-BY-LIR ● low
2a00:2381:2324::/48 DEPARTMENT-FOR RIPE AGGREGATED-BY-LIR ● low
2a00:2381:2324::/56 DEPARTMENT-FOR RIPE ASSIGNED ● low
2a00:2381:2324:100::/56 DEPARTMENT-FOR-INTERNATIONAL RIPE ASSIGNED ● low
2a00:2381:2739::/48 DEPARTMENT-OF RIPE AGGREGATED-BY-LIR ● low
2a00:2381:c062::/48 DEPARTMENT-FOR RIPE AGGREGATED-BY-LIR ● low
2a00:2381:c062::/56 DEPARTMENT-FOR RIPE ASSIGNED ● low
2a00:2381:c347::/48 DEPARTMENT-FOR RIPE AGGREGATED-BY-LIR ● low
2a00:2381:c7e7::/56 DEPARTMENT-FOR RIPE ASSIGNED ● low
2a00:2381:c7e7::/48 DEPARTMENT-FOR RIPE AGGREGATED-BY-LIR ● low
2a00:2381:e654::/48 DEPARTMENT-OF RIPE AGGREGATED-BY-LIR ● low
2a00:2381:ff6d:e00::/56 DEPARTMENT-OF RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
85.7% of checked blocks have valid RPKI ROA coverage (24 of 28)
Possible discrepancies (13)

These blocks are registered to Department Noc 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.

2a00:2381:178c::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:1e99::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:e654::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2324::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2739::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c062::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c347::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c7e7::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:ff6d:e00::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2324::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2324:100::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c062::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:c7e7::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AS818 BTNET-MNT DUMY-RIPE DUMY-RIPE MAINT-DNS-UUNET ORG-DA1410-RIPE ORG-DN556-RIPE OVH-MNT UI2-AP UI2-AP