FULCRUM
BGP inherited
Cluster stats
| Netblocks | 9 · 357 IPv4 addresses |
| Registered in | United Kingdom (5) · Spain (4) |
| All fragments | 20 blocks across 9 clusters |
| Cluster ID | 209415215 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name 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 |
|---|---|---|---|---|
| 5.255.138.0/24 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 62.99.69.200/29 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 62.99.78.102/32 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 62.99.78.223/32 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 62.99.80.76/30 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 83.244.144.208/28 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 83.244.146.240/28 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 83.244.147.128/27 | FULCRUM | RIPE | ASSIGNED PA | ● low |
| 83.244.225.32/27 | FULCRUM | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “FULCRUM” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- FULCRUM-WORLDWIDE-UK 2 blocks
- Fulcrum Data Systems Ltd 2 blocks
- FULCRUM_ADMINSTRATION_SERVICES 2 blocks
- FULCRUM-FI 1 blocks
- FULCRUM-SOFTWARE 1 blocks
- Fulcrum Technology Solutions, LLC 1 blocks
- FULCRUM-IT 1 blocks
- FULCRUM-AUTOMOTIVE-SOLUTIONS-LTD 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Fulcrum sub-allocation
- FULCRUM-FI via DNA Oyj sub-allocation
- BUTTERFIELDFULCRUM via Eircom Limited sub-allocation
- DHOP-FULCRUM via Six Degrees Technology Group Limited sub-allocation
- CALYX-CS-LTD-FULCRUM-EH12-6NZ-MFEDH0486 via Virgin Media Limited sub-allocation
- FULCRUM-IT via Claranet Limited sub-allocation
- FULCRUM-AUTOMOTIVE-SOLUTIONS-LTD via Virgin Media Limited sub-allocation
- Fulcrum Digital Amoreiras via COLT Technology Services Group Limited sub-allocation
Network trust
what's this?
RPKI hygiene: B
how networks compare →
88.9%
of checked blocks have valid RPKI ROA coverage
(8 of 9)
No discrepancies found among checked blocks.
NIC Handles
AS31137-MNT
DUMY-RIPE
DUMY-RIPE
EUSKALTEL-MNT
EXPONENTIAL-E-MNT