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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
9,984
Total IPv4 Prefixes
19
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,504 out of 78,985
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
AS53084
BR flagCM Informatica Ltda
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
AS6424
PT flagEDGOO NETWORKS UNIPESSOAL LDA
AS6939
US flagHurricane Electric LLC
AS52468
PA flagUFINET PANAMA S.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 19
IPv6 Active Prefixes
PrefixRange FromRange To
2804:3c::/322804:3c::2804:3c:ffff:ffff:ffff:ffff:ffff:ffff