Retzor-com
BGP inherited
Cluster stats
| Netblocks | 7 · 1,530 IPv4 addresses |
| Registered in | Japan (3) · United Kingdom (2) · South Korea (1) |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 205814069 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 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
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.180.97.0/24 | Retzor-com | RIPE | ASSIGNED PA | ● low |
| 45.81.35.0/24 | Retzor-com | RIPE | ASSIGNED PA | ● low |
| 45.151.183.0/24 | Retzor-com | RIPE | AGGREGATED-BY-LIR | ● low |
| 103.200.28.0/24 | Retzor-com | RIPE | AGGREGATED-BY-LIR | ● low |
| 144.48.10.0/24 | Retzor-com | RIPE | AGGREGATED-BY-LIR | ● low |
| 195.78.49.0/24 | Retzor-com | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a13:3d81::/48 | Retzor-com | RIPE | ALLOCATED-BY-LIR | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “Retzor com” — 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.
- Retzor-com-inet6 1 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
Possible discrepancies (5)
These blocks are registered to Retzor-com but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a13:3d81::/48 /48 | authorized for AS52000 — MIRhosting B.V. |
| 45.81.35.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 5.180.97.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 195.78.49.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 45.151.183.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
NIC Handles
ACRO51414-RIPE
DUMY-RIPE
DUMY-RIPE
lir-kr-navox-1-MNT
mnt-jp-rainbow-1
mnt-uk-tiger2-1
retzor-mnt