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ASN Lookup Tool
AS28638 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28638
Organisation
CENTRO OESTE TELECOM
Name
Private Use AS
Total IPv4 Addresses
2048
Total IPv4 Prefixes
8
Total IPv6 Prefixes
14
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#23,343 out of 77,288
Registry
Lacnic
Registered Country
BR flag BR
Registered Country Name
Brazil
Registered Date
2013-05-13
Registration Last Change
2023-01-25
Receiving From

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

ASN
Organisation
AS267601
BR flagS. D. PROVEDOR E INFORMATICA LTDA ME
IPv4 Active Prefixes

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

Prefix138.118.160.0/24
Range From138.118.160.0
Range To138.118.160.255
Prefix138.118.161.0/24
Range From138.118.161.0
Range To138.118.161.255
Prefix138.118.162.0/24
Range From138.118.162.0
Range To138.118.162.255
Prefix138.118.163.0/24
Range From138.118.163.0
Range To138.118.163.255
Prefix186.209.216.0/24
Range From186.209.216.0
Range To186.209.216.255
Showing 5 of 8
IPv6 Active Prefixes
Prefix2804:dcc::/44
Range From2804:dcc::
Range To2804:dcc:f:ffff:ffff:ffff:ffff:ffff
Prefix2804:dcc:10::/44
Range From2804:dcc:10::
Range To2804:dcc:1f:ffff:ffff:ffff:ffff:ffff
Prefix2804:dcc:20::/43
Range From2804:dcc:20::
Range To2804:dcc:3f:ffff:ffff:ffff:ffff:ffff
Prefix2804:dcc:40::/42
Range From2804:dcc:40::
Range To2804:dcc:7f:ffff:ffff:ffff:ffff:ffff
Prefix2804:dcc:80::/42
Range From2804:dcc:80::
Range To2804:dcc:bf:ffff:ffff:ffff:ffff:ffff
Showing 5 of 14
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.