ASN Lookup Tool
AS1251 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1251
Organisation
FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAUL..
Name
Private Use AS
Total IPv4 Addresses
122880
Total IPv4 Prefixes
71
Total IPv6 Prefixes
17
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,748 out of 76,964
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
1999-11-12
Registration Last Change
2013-03-06
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
UY flagAdministracion Nacional de Telecomunicaciones
BR flagRede Nacional de Ensino e Pesquisa
US flagHurricane Electric LLC
BR flagINTERNEXA Brasil Operadora de Telecomunicações S..
PA flagUFINET PANAMA S.A.
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Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
BR flagUNIVERSIDADE DE SAO PAULO
BR flagUNIVERSIDADE ESTADUAL PAULISTA
BR flagUNIVERSIDADE FEDERAL DE SAO CARLOS
BR flagUNIVERSIDADE FEDERAL DE SAO PAULO
BR flagEMPRESA BRASILEIRA DE PESQUISA AGROPECUARIA
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IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

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Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.