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Data as of Nov 10, 2026

131.1.0.0/16

No anonymizer space · no proxy exits in 30 days

Telecom Italia S.p.A. · space held by Olivetti S.p.A.

Announcement
this exact prefix
No RPKI
Announced by
AS3269
Type
Residential
92% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
131.1.6.0/24
since Apr 2020
AS20746HostingOlivetti S.p.A.
131.1.20.0/24
since Apr 2025
AS20746HostingOlivetti S.p.A.
131.1.216.0/23
since Dec 2019
AS20746HostingOlivetti S.p.A.
131.1.220.0/23
since Nov 2019
AS20746HostingOlivetti S.p.A.
131.1.222.0/24
since Nov 2019
AS20746HostingOlivetti S.p.A.
131.1.229.0/24
since Mar 2020
AS20746HostingOlivetti S.p.A.
131.1.230.0/23
since Feb 2019
AS20746HostingOlivetti S.p.A.
131.1.240.0/23
since Dec 2018
AS20746HostingOlivetti S.p.A.
131.1.243.0/24
since Dec 2018
AS20746HostingOlivetti S.p.A.
131.1.244.0/23
since Jun 2019
AS20746HostingOlivetti S.p.A.
131.1.247.0/24
since May 2019
AS20746HostingOlivetti S.p.A.
131.1.252.0/23
since Sep 2017
AS20746HostingOlivetti S.p.A.
131.1.254.0/23
since Jun 2018
AS20746HostingOlivetti 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
131.1.0.0/1665,536OLIVETTI-NET57962Olivetti S.p.A. (ORG-PS4-RIPE) · ITLEGACYJan 6, 2004ccs@olivetti.com
└ 131.1.51.0/24256OMS-FACILITYIng. C. Olivetti & C., S.P.A.LEGACYJan 6, 2004ccs@olivetti.com
via OLIVETTI-NET57962
└ 131.1.216.0/23512Olivetti_SPC_BIAMBITO_BELLO_2unknownLEGACYJan 15, 2020ccs@olivetti.com
└ 131.1.220.0/221,024Olivetti_SPC_BIAMBITO_2unknownLEGACYMar 24, 2020ccs@olivetti.com
via OLIVETTI-NET57962
└ 131.1.224.0/221,024OLIVETTI_AUTOMOTIVE_IT_58527O-224-225-CGNAT-RM13 e O-226-227-CGNAT-MI13LEGACYFeb 13, 2019ccs@olivetti.com
└ 131.1.232.0/23512OLIVETTI_AUTOMOTIVE_BGO-232-CGNAT-RM13 e O-233-CGNAT-MI13LEGACYFeb 8, 2019ccs@olivetti.com
└ 131.1.234.0/24256OLIVETTI_AUTOMOTIVE_NL_234unknownLEGACYAug 10, 2018ccs@olivetti.com
└ 131.1.235.0 - 131.1.236.255512OLIVETTI_AUTOMOTIVE_DEO-235-CGNAT-RM13 e O-236-CGNAT-MI13LEGACYAug 1, 2018ccs@olivetti.com
└ 131.1.237.0/24256OLIVETTI_AUTOMOTIVE_AT_237unknownLEGACYAug 10, 2018ccs@olivetti.com
└ 131.1.238.0/24256OLIVETTI_AUTOMOTIVE_AT_238unknownLEGACYAug 10, 2018ccs@olivetti.com
└ 131.1.239.0/24256OLIVETTI_AUTOMOTIVE_NL_239unknownLEGACYAug 10, 2018ccs@olivetti.com
└ 131.1.240.0/24256BIAMBITO-FanarounknownLEGACYDec 7, 2021ccs@olivetti.com
└ 131.1.244.0/221,024Olivetti_SPC_BIAMBITO_BELLO_2unknownLEGACYJan 15, 2020ccs@olivetti.com

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Residential60,41692%16
Hosting5,1207.8%13

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Jul 2017 · 9.3 yr
Origin networks
1