BLACKBIRD PLC

Blackbird PLC
Data as of 2026-08-09
GLEIF verified
Complete entity footprint
2 linked clusters · 5 netblocks · 3,073 IPv4 addresses · 1 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
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LEI
2138006DWRVTIAVW3415
Registered name
BLACKBIRD PLC
Jurisdiction
GB
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks4 · 3,072 IPv4 addresses
IPv6 1 prefix (largest 2a05:5a40::/29)
All fragments 22 blocks across 5 clusters
Cluster ID218419252
RegistryRIPE
Owner jurisdictionGB
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 2138006DWRVTIAVW3415
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

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CIDR Org name Registry Status Confidence
91.242.200.0/21 Blackbird AS RIPE ASSIGNED PI ● high
83.138.62.0/24 Blackbird PLC RIPE ALLOCATED PA ● low
85.158.152.0 – 85.158.154.255 BLACKBIRD RIPE ASSIGNED PA ● low
2a05:5a40::/29 Blackbird PLC RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

CIDR
2a05:5a40::/29

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (2 of 4)
Possible discrepancies (2)

These blocks are registered to Blackbird PLC 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.

91.242.200.0/21 /21 authorized for AS49788 — Nexthop AS
83.138.62.0/24 /24 authorized for AS8943 — Jump Networks Ltd

NIC Handles

DUMY-RIPE DUMY-RIPE MERULA-MNT NEXTHOP-MNT ORG-BA484-RIPE ORG-BP176-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT RUNE-MNT mnt-uk-blackbirdvideo-1