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ASN Lookup Tool
AS12874 FASTWEB

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12874
Organisation
Fastweb SpA
Name
FASTWEB
Total IPv4 Addresses
3,565,121
Total IPv4 Prefixes
3,425
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#137 out of 79,087
Registry
Ripe
Registered Country
IT flagIT
Registered Country Name
Italy
Registered Date
2002-09-13
Registration Last Change
2025-10-28
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS3741
ZA flagDimension Data
AS9121
TR flagTurk Telekomunikasyon Anonim Sirketi
AS8708
RO flagDIGI ROMANIA S.A.
Showing 5 of 54
Transit To
ASN
Organisation
AS59429
IT flagPolo Navacchio S.p.A.
AS65338
WORLD flagPrivate Use AS
AS65000
WORLD flagPrivate Use AS
AS6
US flagATOS IT Solutions and Services, Inc.
AS21176
IT flagEngineering D.HUB S.p.A.
Showing 5 of 208
IPv4 Active Prefixes
PrefixRange FromRange To
2.16.17.0/242.16.17.02.16.17.255
2.19.179.0/242.19.179.02.19.179.255
2.224.0.0/202.224.0.02.224.15.255
2.224.16.0/202.224.16.02.224.31.255
2.224.32.0/192.224.32.02.224.63.255
Showing 5 of 3,425
IPv6 Active Prefixes
PrefixRange FromRange To
2001:b00::/292001:b00::2001:b07:ffff:ffff:ffff:ffff:ffff:ffff
2a04:a580::/292a04:a580::2a04:a587:ffff:ffff:ffff:ffff:ffff:ffff