Blackburn with Darwen Borough Council
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 8 · 3,360 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a00:2381:1712::/48) |
| Cluster ID | 214633627 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-26
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.145.28.32/27 | BLACKBURN-WITH | RIPE | ASSIGNED PA | ● low |
| 88.214.36.0/22 | Blackburn with Darwen Borough Council | RIPE | ALLOCATED PA | ● low |
| 193.61.108.0/24 | BLACKBURN-COL | RIPE | ASSIGNED PA | ● low |
| 193.61.109.0/24 | BLACKBURN-COL | RIPE | ASSIGNED PA | ● low |
| 194.82.36.0/22 | BLACKBURN-COL | RIPE | ASSIGNED PA | ● low |
| 195.195.230.0 – 195.195.232.255 | BLACKBURN-COL | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:1712::/48 | BLACKBURN-WITH | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:1712:200::/56 | BLACKBURN-WITH | RIPE | ASSIGNED | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (3)
These blocks are registered to Blackburn with Darwen Borough Council but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:1712::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:1712:200::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
| 88.214.36.0/22 /22 | authorized for AS25460 — The Networking People (TNP) Limited |
Routed via provider/NREN (4)
These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.
| 194.82.36.0/22 /22 | routed via AS786 — Jisc (Jisc Services Limited) |
| 195.195.230.0 – 195.195.232.255 /22 | routed via AS786 — Jisc (Jisc Services Limited) |
| 193.61.108.0/24 /24 | routed via AS786 — Jisc (Jisc Services Limited) |
| 193.61.109.0/24 /24 | routed via AS786 — Jisc (Jisc Services Limited) |
NIC Handles
BTNET-MNT
BWD-MNT
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER
JIPS-NOSC
ORG-BWDB1-RIPE
RIPE-NCC-HM-MNT