ESSO FIBRA
BGP inherited
Cluster stats
Netblocks13
All fragments 42 blocks across 13 clusters
Cluster ID191314248
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.6.208.0/22 ESSO FIBRA BGP ANNOUNCED ● high
45.6.208.0/23 ESSO FIBRA BGP ANNOUNCED ● high
45.6.210.0/23 ESSO FIBRA BGP ANNOUNCED ● high
2804:3d0c::/32 ESSO FIBRA BGP ANNOUNCED ● high
45.6.210.112/28 UNKNOWN LACNIC reassigned ● medium
45.6.210.128/27 UNKNOWN LACNIC reassigned ● medium
2804:3d0c::/32 UNKNOWN LACNIC allocated ● medium
81.145.160.240/29 ESSO-UK RIPE ASSIGNED PA ● low
88.207.131.72/29 Esso-LU RIPE ASSIGNED PA ● low
194.72.99.96/29 ESSO-UK RIPE ASSIGNED PA ● low
194.110.177.16/29 ESSO-AP3 RIPE ASSIGNED PA ● low
2a00:2381:e881:200::/56 ESSO-UK RIPE ASSIGNED ● low
2a00:2381:e881:400::/56 ESSO-UK RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (13 of 13)
Possible discrepancies (2)

These blocks are registered to ESSO FIBRA 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:e881:200::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:e881:400::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AS266250 AS3238-MNT AS6661-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE