YEARBOOK MACHINE LIMITED
YEARBOOK-MACHINE-LIMITED
Data as of 2026-11-08
GLEIF verified
LEI
984500E2DB9940FF5942
Registered name
YEARBOOK MACHINE LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 16 |
| IPv6 | 16 prefixes (largest 2a01:4f8:121:1454::/64) |
| Record ID | 266759144 |
| Registry | RIPE |
| Owner jurisdiction | GB |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 984500E2DB9940FF5942 |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a01:4f8:a0:4273::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:121:1454::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:202:42cb::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2440::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2441::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2442::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2443::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2444::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:246f::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:2470::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2220:4126::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2240:1e10::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f9:2a:a9c::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f9:2a:cac::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f9:6a:4690::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
| 2a01:4f9:3090:2d6d::/64 | YEARBOOK-MACHINE-LIMITED | RIPE | ASSIGNED | ● low |
IPv6 ranges (16)
Footprint over time
20 weekly snapshots · JSON
16
+1 netblocks since 2026-07-05
2026-07-05
peak 17
2026-11-08
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(16 of 16)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
HOS-GUN