Optimal
OPTIMAL-NET
Registry
Cluster stats
| Netblocks | 9 · 644 IPv4 addresses |
| Registered in | United Kingdom (2) · Russia (2) · Germany (1) · Greece (1) · Israel (1) · India (1) |
| All fragments | 10 blocks across 2 clusters |
| Cluster ID | 209088463 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 160.187.78.0/23 | OPTIMAL | APNIC | ASSIGNED PORTABLE | ● high |
| 2001:df4:46c0::/48 | OPTIMAL | APNIC | ASSIGNED PORTABLE | ● high |
| 62.74.153.128/30 | Optimal | RIPE | ASSIGNED PA | ● low |
| 89.145.222.160/28 | OPTIMAL-NET | RIPE | ASSIGNED PA | ● low |
| 89.145.222.192/27 | OPTIMAL-NET | RIPE | ASSIGNED PA | ● low |
| 149.62.52.100/30 | optimal | RIPE | ASSIGNED PA | ● low |
| 194.90.64.128/26 | NV-Optimal | RIPE | ASSIGNED PA | ● low |
| 195.50.186.176/28 | OPTIMAL-NET | RIPE | ASSIGNED PA | ● low |
| 212.13.96.36/30 | optimal-net | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “OPTIMAL NET” — 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.
- OPTIMAL-NET-IPV6 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Optimal Finances via COLT Technology Services Group Limited sub-allocation
- Flower-Optimal-Connection via Odido Netherlands B.V. sub-allocation
- OPTIMALREISE-HWY-AT via A1 Telekom Austria AG sub-allocation
- Optimal via TK Telekom sp. z o.o. sub-allocation
- OPTIMALUS-RYSYS-BNK via UAB "Baltnetos komunikacijos" sub-allocation
- Optimal Dosug sub-allocation
- CORBINA-OPTIMALYAN sub-allocation
- Sovintel Msk Optimalnaya Logistika sub-allocation
Network trust
what's this?
RPKI hygiene: C
how networks compare →
77.8%
of checked blocks have valid RPKI ROA coverage
(7 of 9)
Possible discrepancies (1)
These blocks are registered to OPTIMAL-NET 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.
| 160.187.78.0/23 /23 | authorized for AS137107 — Jtm Internet Private Limited |
NIC Handles
ARCOR-MNT
AS5413-MNT
DO237-AP
DUMY-RIPE
DUMY-RIPE
LINENEW-MNT
LS2146-AP
MAINT-IN-IRINN
NV-MNT-RIPE
PANAFON-MNT
cnt-mnt