Department Noc
Cluster stats
| Netblocks | 28 |
| All fragments | 619 blocks across 156 clusters |
| Cluster ID | 191813514 |
| Registry | APNIC |
| Customers | find 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