ULTRA-ELECTRONICS
Cluster stats
Netblocks12
All fragments 22 blocks across 9 clusters
Cluster ID192425979
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-06

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.254.227.216/29 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
62.255.244.128/28 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
80.2.103.96/28 Ultra-Electronics-Holdings RIPE ASSIGNED PA ● low
80.4.145.128/27 ULTRA-ELECTRONICS-LIMITED RIPE ASSIGNED PA ● low
81.105.172.224/28 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
82.20.69.144/28 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
82.33.208.128/30 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
86.28.18.192/29 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
86.188.172.232/29 ULTRA-ELECTRONICS RIPE ASSIGNED PA ● low
2a00:2381:1d9d::/48 ULTRA-ELECTRONICS-LIMITED RIPE AGGREGATED-BY-LIR ● low
2a00:2381:275f::/48 ULTRA-ELECTRONICS RIPE AGGREGATED-BY-LIR ● low
2a00:2381:eb66::/48 ULTRA-ELECTRONICS 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 (12 of 12)
Possible discrepancies (3)

These blocks are registered to ULTRA-ELECTRONICS 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.

2a00:2381:1d9d::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:eb66::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:275f::/48 /48 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AS5089-MNT AS5462-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE