Data as of Nov 4, 2026

178.21.99.0/24

No anonymizer space · no proxy exits in 30 days

Opnet Srl

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
178.21.96.0/212,048IT-OPNET-20100312Opnet Srl (ORG-OS382-RIPE) · ITALLOCATED PAMay 14, 2025abusi@opnet.it
└ 178.21.96.0/221,024LINKEM-NETLinkem CustomersASSIGNED PAApr 19, 2018abusi@opnet.it
via IT-OPNET-20100312

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Registry

Holder

Organization
Opnet Srl
Handle
ORG-OS382-RIPE
Range
178.21.96.0/21
Registration type
ALLOCATED PA
Record created
May 14, 2025
Origin network

AS198471

IT
Name
Opnet Srl
Type
Internet provider
Registered
Feb 9, 2012
Domain
opnet.it
Website
web.linkem.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed