One System Integration LTD
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 85 · 17,344 IPv4 addresses |
| IPv6 | 11 prefixes (largest 2a03:d5c0::/29) |
| Registered in | Israel (67) · United Kingdom (9) · France (2) · United States (2) · Denmark (2) · Poland (2) |
| Cluster ID | 227120968 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 28 shared RIR contact/maintainer handles |
| Registry names | 17 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
9 weekly snapshots · JSON
99
+22 netblocks since 2026-07-05
2026-07-05
peak 99
2026-08-23
IP Ranges (85)
showing 50 of 85 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.173.10.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 81.173.11.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.48.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.51.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.136.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.137.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.138.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.139.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.140.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.248.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.249.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 82.163.250.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 83.151.198.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 88.202.217.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 88.202.218.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 88.202.219.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 88.202.221.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 88.202.222.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 91.199.29.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 91.216.222.0/24 | One System Integration LTD | RIPE | ASSIGNED PI | ● high |
| 95.183.0.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 95.183.1.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 95.183.2.0/23 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 95.183.4.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 95.183.5.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 95.183.6.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 130.117.78.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 141.226.232.0/22 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 149.232.235.0/24 | One ID SAS | RIPE | ASSIGNED PI | ● high |
| 154.57.149.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 185.38.200.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 185.38.201.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 185.49.103.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 193.105.99.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 195.82.108.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 195.82.111.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 195.190.23.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 212.18.253.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 212.18.254.0/24 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 212.18.255.0/24 | One System Integration LTD | RIPE | ASSIGNED PA | ● high |
| 2a03:d5c0:100::/40 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 2a03:d5c0:400::/40 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 2a03:d5c0:500::/40 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 2a03:d5c0:1c00::/44 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 2a03:d5c0:1c10::/44 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 2a03:d5c0:a000::/40 | One System Integration LTD | BGP | ANNOUNCED | ● high |
| 81.173.8.0/22 | One System Integration LTD | RIPE | ALLOCATED PA | ● low |
| 82.163.48.0/22 | One System Integration LTD | RIPE | ALLOCATED PA | ● low |
| 82.163.49.0/24 | One System Integration LTD | RIPE | ASSIGNED PA | ● low |
| 82.163.136.0/21 | One System Integration LTD | RIPE | ALLOCATED PA | ● low |
IPv6 ranges (11)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
14.1%
of checked blocks have valid RPKI ROA coverage
(14 of 99)
Possible discrepancies (5)
These blocks are registered to One System Integration LTD but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:ecb3::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:26bb::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2001:4d78:115::/48 /48 | authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V. |
| 89.107.253.0/24 /24 | authorized for AS12301 — Invitech ICT Services Kft. |
| 188.255.231.0/24 /24 | authorized for AS8881 — 1&1 Versatel GmbH |
NIC Handles
AR834
AS12741-MNT
AS198671
AS199391
AS9116-MNT
BTNET-MNT
DIALTELECOM-MNT
DUMY-RIPE
DUMY-RIPE
EQUINIX-FULFIL-MNT
EQUINIX-MNT
EXPONENTIAL-E-MNT
+16 more