Data as of Nov 3, 2026
31.15.75.0/24
No anonymizer space · no proxy exits in 30 daysOptima Italia S.p.A.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 31.15.72.0/21 | 2,048 | IT-OPTIMA-20110420 | Optima Italia S.p.A. (ORG-OS32-RIPE) · IT | ALLOCATED PA | Apr 20, 2011 | [email protected] |
| └ 31.15.75.0/24 | 256 | OPTIMAITALIA-NET-ITC | IP address used for VoIP interconnection with Telecom Italia | ASSIGNED PA | Nov 20, 2015 | [email protected] via IT-OPTIMA-20110420 |
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
Announced by
Covering announcement 31.15.72.0/22
- Prefix
- 31.15.72.0/22
- Announced by
- AS44513 Optima Italia S.p.A.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- IT-OPTIMA-20110420
- Registrant
- Optima Italia S.p.A.
- RIR
- RIPE NCC
Origin network
AS44513
IT
- Name
- Optima Italia S.p.A.
- Type
- Internet provider
- Registered
- Jan 30, 2008
- Domain
- optimaitalia.com
- Website
- www.optimaitalia.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 31.15.72.0/22
31.15.72.0/22
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.15.72.0/22 | AS44513 | /22 | RIPE | RPKI valid |
| 31.15.72.0/21 | AS44513 | /21 | RIPE | Too specific |
Whois
Registration for this announcement
- Range
- 31.15.72.0/21
- Netname
- IT-OPTIMA-20110420
- Registrant
- Optima Italia S.p.A.
- Registrant country
- IT
- Organization
- Optima Italia S.p.A. (ORG-OS32-RIPE)
- Org country
- IT
- Type
- ALLOCATED PA
- Created
- Apr 20, 2011
- Updated
- Jun 3, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Apr 20, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Optimaitalia NOC
- Handle
- OPT1