Data as of Nov 3, 2026
31.15.76.0/24
No anonymizer space · no proxy exits in 30 daysOptima Italia S.p.A.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 31.15.76.0/22 since Oct 2025 | AS44513 | Residential | 7 | Optima Italia S.p.A. |
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 |
|---|---|---|---|---|---|---|
| 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] |
| └ 31.15.76.0/24 | 256 | OPTIMAITALIA-NET | IP address used for dynamic assignement to customer on Bitstream Ethernet | 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
Registry
Holder
- Organization
- Optima Italia S.p.A.
- Handle
- ORG-OS32-RIPE
- Range
- 31.15.72.0/21
- Registration type
- ALLOCATED PA
- Record created
- Apr 20, 2011
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.15.76.0/24 | AS44513 | /24 | RIPE | RPKI valid |
| 31.15.76.0/22 | AS44513 | /22 | RIPE | Too specific |
| 31.15.72.0/21 | AS44513 | /21 | RIPE | Too specific |
Whois
Registration for this announcement
- Range
- 31.15.76.0/24
- Netname
- OPTIMAITALIA-NET
- Registrant
- IP address used for dynamic assignement to customer on Bitstream Ethernet
- Registrant country
- IT
- Organization
- IP address used for dynamic assignement to customer on Bitstream Ethernet
- Org country
- IT
- Type
- ASSIGNED PA
- Created
- Nov 20, 2015
- Updated
- Nov 20, 2015
- Maintainer
- MNT-OPTIMAITALIA
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Apr 20, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Optimaitalia NOC
- Handle
- OPT1