MASTERNAUT GROUP HOLDINGS LIMITED
Masternaut Limited
GLEIF verified
LEI
5493007L1Q691IJBBY51
Registered name
MASTERNAUT GROUP HOLDINGS LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 29 |
| All fragments | 30 blocks across 2 clusters |
| Cluster ID | 191764047 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5493007L1Q691IJBBY51 |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
29
0 netblocks since 2026-07-05
2026-07-05
peak 29
2026-07-06
IP Ranges (29)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 94.247.152.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.153.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.154.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.155.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.156.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.157.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.158.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 94.247.159.0/24 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 2a00:ac40::/48 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 2a00:ac40:1::/48 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 2a00:ac40:2::/48 | Masternaut Limited | BGP | ANNOUNCED | ● high |
| 78.155.130.168/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 78.155.141.192/28 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 84.55.153.0/27 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 84.55.154.0/27 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 84.55.164.160/27 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 84.55.184.208/28 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 94.247.152.0/21 | Masternaut Limited | RIPE | ALLOCATED PA | ● low |
| 195.7.98.168/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.98.176/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.101.56/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.101.80/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.104.160 – 195.7.104.223 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.116.136 – 195.7.116.151 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.7.116.208/29 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 195.59.29.176/28 | MASTERNAUT | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:e445::/56 | MASTERNAUT-LTD | RIPE | ASSIGNED | ● low |
| 2a00:2381:e445::/48 | MASTERNAUT-LTD | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:ac40::/32 | Masternaut Limited | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
93.1%
of checked blocks have valid RPKI ROA coverage
(27 of 29)
Possible discrepancies (2)
These blocks are registered to Masternaut Limited 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:e445::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
| 2a00:2381:e445::/56 /56 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
ALTITUDETELECOM-MNT
AS49694
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MNT-3XMSMNT
MNT-3XMSMNT
ORG-ML426-RIPE
RIPE-NCC-HM-MNT
VODAFONE-WORLDWIDE-MNTNER