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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
3,564,971
Total IPv4 Prefixes
3,431
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#136 out of 78,986
Registry
Ripe
Registered Country
IT flagIT
Registered Country Name
Italy
Registered Date
2002-09-13
Registration Last Change
2025-09-09
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS3741
ZA flagDimension Data
AS8708
RO flagDIGI ROMANIA S.A.
AS6461
US flagZayo Bandwidth
Showing 5 of 47
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 206
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 3,431
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