Data as of Nov 3, 2026

31.15.72.0/22

No anonymizer space · no proxy exits in 30 days

Optima Italia S.p.A.

Announcement

this exact prefix

RPKI valid

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.

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]
└ 31.15.72.0/24	256	OPTIMAITALIA-NETCEDNA	Subnet Assigned to All Equipment on CED Napoli	ASSIGNED PA	Sep 22, 2011	[email protected] via IT-OPTIMA-20110420
└ 31.15.73.0/24	256	OPTIMAITALIA-NET	IP address dedicated to network and server equipments	ASSIGNED PA	Nov 20, 2015	[email protected] via IT-OPTIMA-20110420
└ 31.15.74.0/24	256	OPTIMAITALIA-NET-ITC	IP address used for SIP interconnection with Telecom Italia	ASSIGNED PA	Nov 20, 2015	[email protected] via IT-OPTIMA-20110420
└ 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.

Origin network

RPKI

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

IRR inside

Prefix	Origin	Registry	Description	Maintainer	Modified
31.15.72.0/24	AS44513	RIPE		MNT-OPTIMAITALIA	Feb 6, 2012