Data as of Nov 8, 2026
51.179.44.0/24
No anonymizer space · no proxy exits in 30 daysOpnet Srl
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
its first announcement on record
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 51.179.0.0/17 | 32,768 | IT-OPNET-19930901 | Opnet Srl (ORG-OS382-RIPE) · IT | ALLOCATED PA | May 14, 2025 | abusi@ |
| └ 51.179.0.0/18 | 16,384 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Jun 10, 2015 | abusi@ via IT-OPNET-19930901 |
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
- 51.
179. 0. 0/ 17 - 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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 51.
179. 0. 0/ 18 - Netname
- LINKEM-NET
- Registrant
- Linkem Customers
- Registrant country
- IT
- Organization
- Linkem Customers
- Org country
- IT
- Type
- ASSIGNED PA
- Created
- Jun 10, 2015
- Updated
- Aug 1, 2023
- Maintainer
- LINKEM-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abusi@
opnet. it - Name
- Abuse-C Role
- Handle
- AR77665-RIPE