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ASN Lookup Tool
AS61857 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS61857
Organisation
M.S.DE ASSIS JUNIOR
Name
Private Use AS
Total IPv4 Addresses
2048
Total IPv4 Prefixes
8
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#23,191 out of 77,391
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
2014-07-07
Registration Last Change
2023-11-10
Receiving From

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

ASN
Organisation
AS52871
BR flagTASCOM TELECOMUNICAÇÕES LTDA
AS271627
BR flagZAP TELECOM EIRELI
AS263324
BR flagNet&Com Serviços de Informática e Telecomunicaçõ..
AS266434
BR flagMASTER DATA TELECOMUNICACOES LTDA - ME
AS271076
BR flagILKACY MOREIRA DE JESUS
IPv4 Active Prefixes

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

Prefix131.0.64.0/24
Range From131.0.64.0
Range To131.0.64.255
Prefix131.0.65.0/24
Range From131.0.65.0
Range To131.0.65.255
Prefix131.0.66.0/24
Range From131.0.66.0
Range To131.0.66.255
Prefix131.0.67.0/24
Range From131.0.67.0
Range To131.0.67.255
Prefix170.233.20.0/24
Range From170.233.20.0
Range To170.233.20.255
Showing 5 of 8
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.