CZ20080305
CZ20080305-GTT
Data as of 2026-10-11
BGP inherited
This organisation
| Netblocks | 4 · 3,584 IPv4 addresses |
| Record ID | 245722233 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 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 (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 83.148.154.0/23 | CZ20080305-GTT | RIPE | SUB-ALLOCATED PA | ● low |
| 85.189.204.0/22 | CZ20080305-GTT | RIPE | SUB-ALLOCATED PA | ● low |
| 86.53.152.0/22 | CZ20080305-GTT | RIPE | SUB-ALLOCATED PA | ● low |
| 194.6.108.0/22 | CZ20080305-GTT | RIPE | SUB-ALLOCATED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (3)
These blocks are registered to CZ20080305-GTT 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.
| 86.53.152.0/22 /22 | authorized for AS2497 — Internet Initiative Japan Inc. |
| 85.189.204.0/22 /22 | authorized for AS2497 — Internet Initiative Japan Inc. |
| 83.148.154.0/23 /23 | authorized for AS2497 — Internet Initiative Japan Inc. |
NIC Handles
AS3257-IPAM-MNT
DUMY-RIPE
DUMY-RIPE
mnt-lt-code200-1