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Data as of Nov 9, 2026

83.137.56.0/21

No anonymizer space · no proxy exits in 30 days

Vianova S.p.A

Announcement
this exact prefix
RPKI valid
Announced by
AS21056
Type
Internet provider
95% of it

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
83.137.56.0/212,048IT-WELCOMEITALIA-20040507Vianova S.p.A (ORG-WIS2-RIPE) · ITALLOCATED PAMay 30, 2024ipnoc@welcomeitalia.it
└ 83.137.56.0/298VIANOVA_8Welcome Italia S.p.A.ASSIGNED PAJul 20, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.56.24/298VIANOVA_8Welcome Italia S.p.A.ASSIGNED PAJul 23, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.56.64/298AGENZIAMARITTIMADEFELICESRLAgenzia Marittima De Felice srlASSIGNED PASep 16, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.56.160/298VENTESIMOFOREVERSRLVentesimo Forever srlASSIGNED PASep 24, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.57.0 - 83.137.61.2551,280CIRFOODWelcome Italia S.p.A.ASSIGNED PAAug 26, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.62.48/2816TEMERASRLTemera srlASSIGNED PASep 4, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.62.96/2816TEMERASRLTemera srlASSIGNED PASep 9, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.62.208/2816FRIGOVENETASPAFrigoveneta spaASSIGNED PAOct 16, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.40/298VIANOVA_8Welcome Italia S.p.A.ASSIGNED PANov 4, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.72/298SIERRASOFTSRLSierrasoft srlASSIGNED PAOct 25, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.96/298EGIFRASRLEGI.FRA. srlASSIGNED PAOct 26, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.104/298TGRSRLT.G.R. srlASSIGNED PAOct 27, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.128/298AGRIPARTSSRLAgri Parts srlASSIGNED PAOct 30, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.136/298UNITRANSSRLUnitrans srlASSIGNED PANov 2, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507
└ 83.137.63.168 - 83.137.63.25588VIANOVA_8Welcome Italia S.p.A.ASSIGNED PANov 2, 2026ipnoc@welcomeitalia.it
via IT-WELCOMEITALIA-20040507

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

2,048 addresses
TypeAddressesShareRanges
Internet provider1,94495%9
Business1045.1%10

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS21056

IT
Name
Vianova S.p.A
Type
Internet provider
Registered
Aug 8, 2001
Domain
welcomeitalia.it
Website
www.vianova.it
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed