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ASN Lookup Tool
AS28576 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28576
Organisation
ITIBR - Instituto de Tecnologia Informacao Brasi..
Name
Private Use AS
Total IPv4 Addresses
8,448
Total IPv4 Prefixes
17
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#10,460 out of 79,205
Registry
Lacnic
Registered Country
BR flagBR
Registered Country Name
Brazil
Registered Date
2004-04-06
Registration Last Change
2022-12-01
Receiving From
ASN
Organisation
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
AS6939
US flagHurricane Electric LLC
AS52468
PA flagUFINET PANAMA S.A.
AS36236
US flagNetActuate, Inc
AS39120
IT flagConvergenze S.p.A.
Showing 5 of 18
IPv4 Active Prefixes
PrefixRange FromRange To
187.73.128.0/23187.73.128.0187.73.129.255
187.73.130.0/24187.73.130.0187.73.130.255
187.73.131.0/24187.73.131.0187.73.131.255
187.73.132.0/24187.73.132.0187.73.132.255
187.73.133.0/24187.73.133.0187.73.133.255
Showing 5 of 17
IPv6 Active Prefixes
PrefixRange FromRange To
2804:3c::/322804:3c::2804:3c:ffff:ffff:ffff:ffff:ffff:ffff