Blackburn with Darwen Borough Council
Cluster stats
Netblocks8
All fragments 36 blocks across 10 clusters
Cluster ID191680595
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
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

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

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 (7)

These blocks are registered to Blackburn with Darwen Borough Council but cryptographically authorized for a different, unrelated network (3 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 PLC
2a00:2381:1712:200::/56 /56 authorized for AS2856 — British Telecommunications PLC
194.82.36.0/22 /22 authorized for AS786 — Jisc Services Limited
88.214.36.0/22 /22 authorized for AS25460 — The Networking People (TNP) Limited
195.195.230.0 – 195.195.232.255 /22 authorized for AS786 — Jisc Services Limited
193.61.108.0/24 /24 authorized for AS786 — Jisc Services Limited
193.61.109.0/24 /24 authorized for AS786 — Jisc Services Limited

NIC Handles

BTNET-MNT BWD-MNT DUMY-RIPE DUMY-RIPE JANET-HOSTMASTER JIPS-NOSC ORG-BWDB1-RIPE RIPE-NCC-HM-MNT