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ASN Lookup Tool
AS28275 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28275
Organisation
Fundacao Casper Libero
Name
Private Use AS
Total IPv4 Addresses
4,096
Total IPv4 Prefixes
11
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#16,705 out of 79,321
Registry
Lacnic
Registered Country
BR flagBR
Registered Country Name
Brazil
Registered Date
2007-03-22
Registration Last Change
2025-02-20
Receiving From
ASN
Organisation
AS10429
BR flagTELEFÔNICA BRASIL S.A
AS18881
BR flagTELEFÔNICA BRASIL S.A
AS4230
BR flagCLARO S.A.
IPv4 Active Prefixes
PrefixRange FromRange To
201.33.96.0/24201.33.96.0201.33.96.255
201.33.97.0/24201.33.97.0201.33.97.255
201.33.98.0/24201.33.98.0201.33.98.255
201.33.99.0/24201.33.99.0201.33.99.255
201.33.100.0/24201.33.100.0201.33.100.255
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