ASN Lookup Tool
AS28571 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28571
Organisation
UNIVERSIDADE DE SAO PAULO
Name
Private Use AS
Total IPv4 Addresses
163072
Total IPv4 Prefixes
72
Total IPv6 Prefixes
50
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,308 out of 76,369
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
2007-12-19
Registration Last Change
2015-11-12
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..
US flagUnitas Global LLC
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IPv4 Active Prefixes

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

Showing 5 of 72
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.