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ASN Lookup Tool
AS28657 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28657
Organisation
MD Brasil - Tecnologia da Informação Ltda
Name
Private Use AS
Total IPv4 Addresses
1024
Total IPv4 Prefixes
3
Total IPv6 Prefixes
12
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#35,850 out of 76,351
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
2006-07-13
Registration Last Change
2013-03-06
Receiving From

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

ASN
Organisation
AS268976
BR flagWeclix Telecom S/A
AS28370
BR flagGUIFAMI Informática Ltda.
Transit To

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

 

ASN
Organisation
AS269016
BR flagF T L Net Provedor de Internet Ltda- ME
IPv4 Active Prefixes

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

Prefix138.99.96.0/24
Range From138.99.96.0
Range To138.99.96.255
Prefix138.99.97.0/24
Range From138.99.97.0
Range To138.99.97.255
Prefix138.99.98.0/23
Range From138.99.98.0
Range To138.99.99.255
IPv6 Active Prefixes
Prefix2804:40::/36
Range From2804:40::
Range To2804:40:fff:ffff:ffff:ffff:ffff:ffff
Prefix2804:40:1000::/36
Range From2804:40:1000::
Range To2804:40:1fff:ffff:ffff:ffff:ffff:ffff
Prefix2804:40:2000::/36
Range From2804:40:2000::
Range To2804:40:2fff:ffff:ffff:ffff:ffff:ffff
Prefix2804:40:4000::/36
Range From2804:40:4000::
Range To2804:40:4fff:ffff:ffff:ffff:ffff:ffff
Prefix2804:40:5000::/36
Range From2804:40:5000::
Range To2804:40:5fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 12
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.