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ASN Lookup Tool
AS21056 ASN-WELCOMEITALIA

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21056
Organisation
Vianova S.p.A
Name
ASN-WELCOMEITALIA
Total IPv4 Addresses
88,575
Total IPv4 Prefixes
61
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,140 out of 79,115
Registry
Ripe
Registered Country
IT flagIT
Registered Country Name
Italy
Registered Date
2002-05-02
Registration Last Change
2025-06-24
Receiving From
ASN
Organisation
AS56662
PL flagMarcin Gondek
AS3356
US flagLevel 3 Parent, LLC
AS3257
US flagGTT Communications Inc.
AS4230
BR flagCLARO S.A.
AS7713
ID flagTelekomunikasi Indonesia (PT)
Showing 5 of 72
Transit To
ASN
Organisation
AS47242
IT flagHost SpA
AS198320
IT flagTelnet Systems s.r.l.
AS210224
IT flagSNAP SYSTEM SRL
AS208775
IT flagCOMAC S.P.A.
IPv4 Active Prefixes
PrefixRange FromRange To
45.84.140.0/2245.84.140.045.84.143.255
45.143.36.0/2245.143.36.045.143.39.255
45.151.12.0/2245.151.12.045.151.15.255
45.151.64.0/2245.151.64.045.151.67.255
46.44.192.0/2246.44.192.046.44.195.255
Showing 5 of 61
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:14f8::/322a00:14f8::2a00:14f8:ffff:ffff:ffff:ffff:ffff:ffff