ASN Lookup Tool
AS21506 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21506
Organisation
Fundação Universidade de Brasília
Name
Private Use AS
Total IPv4 Addresses
65536
Total IPv4 Prefixes
1
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,513 out of 76,903
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
2013-03-22
Registration Last Change
2013-03-25
Receiving From

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

ASN
Organisation
BR flagRede Nacional de Ensino e Pesquisa
IPv4 Active Prefixes

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

IPv6 Active Prefixes
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.