BULL INFORMATION SYSTEMS LTD
BULL-INFORMATION-SYSTEMS-LTD
Registry
Cluster stats
| Netblocks | 9 · 481 IPv4 addresses |
| Cluster ID | 209011876 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| 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
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 80.193.64.28/30 | BULL-INFORMATION-SYSTEMS-LTD | RIPE | ASSIGNED PA | ● low |
| 80.193.64.72/30 | BULL-INFORMATION-SYSTEMS-LTD | RIPE | ASSIGNED PA | ● low |
| 80.193.66.128/27 | Bull-Information-Systems-Ltd | RIPE | ASSIGNED PA | ● low |
| 80.193.68.96/27 | Bull-Information-Systems-Ltd | RIPE | ASSIGNED PA | ● low |
| 80.193.72.128/25 | BULL-INFORMATION-SYSTEMS-LTD | RIPE | ASSIGNED PA | ● low |
| 80.193.229.0/24 | BULL-INFORMATION-SYSTEMS-LTD | RIPE | ASSIGNED PA | ● low |
| 81.2.117.90/32 | BULL-INFORMATION-SYSTEMS | RIPE | ASSIGNED PA | ● low |
| 81.187.64.101/32 | BULL-INFORMATION-SYSTEMS | RIPE | ASSIGNED PA | ● low |
| 194.73.96.32/27 | BULL-INFORMATION-SYSTEMS | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(9 of 9)
Possible discrepancies (1)
These blocks are registered to BULL INFORMATION SYSTEMS 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.
| 80.193.229.0/24 /24 | authorized for AS5089 — Virgin Media Limited |
NIC Handles
AA
AS5462-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE