EXERTIS UK LTD
EXERTIS-UK-LTD
Registry
Cluster stats
Netblocks11
All fragments 16 blocks across 4 clusters
Cluster ID192495057
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.172.147.0/26 EXERTIS-UK-LTD RIPE ASSIGNED PA ● low
194.74.55.128/25 EXERTIS-UK RIPE ASSIGNED PA ● low
217.33.109.224/28 EXERTIS-UK-LTD RIPE ASSIGNED PA ● low
217.38.45.0/29 EXERTIS-UK RIPE ASSIGNED PA ● low
217.38.56.184/29 EXERTIS-UK RIPE ASSIGNED PA ● low
217.38.153.32/29 EXERTIS-UK-LTD RIPE ASSIGNED PA ● low
2a00:2381:fa80::/56 EXERTIS-UK-LTD RIPE ASSIGNED ● low
2a00:2381:fa80:200::/56 EXERTIS-UK RIPE ASSIGNED ● low
2a00:2381:ff57::/56 EXERTIS-UK-LTD RIPE ASSIGNED ● low
2a00:2381:ff57::/48 EXERTIS-UK-LTD RIPE AGGREGATED-BY-LIR ● low
2a00:2381:ff69::/48 EXERTIS-UK RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (11 of 11)
Possible discrepancies (5)

These blocks are registered to EXERTIS-UK-LTD 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:ff57::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:ff69::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:ff57::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fa80::/56 /56 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fa80:200::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE