Optimal

OPTIMAL-NET
Data as of 2026-09-06
Registry
This organisation
Netblocks9 · 652 IPv4 addresses
IPv6 1 prefix (largest 2001:df4:46c0::/48)
Registered in United Kingdom (2) · Russia (2) · Germany (1) · Greece (1) · Israel (1) · India (1)
Also registered under this name 10 netblocks across 2 separate records
Record ID236219811
RegistryAPNIC
Customerssee who runs inside 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 · report an issue

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

IPv6 ranges (1)

CIDR
2001:df4:46c0::/48

Footprint over time

11 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-09-06

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