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ASN Lookup Tool
AS21520 Private Use AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21520
Organisation
Instituto Tecnologico Autonomo de Mexico(ITAM)
Name
Private Use AS
Total IPv4 Addresses
20992
Total IPv4 Prefixes
23
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,272 out of 77,294
Registry
Lacnic
Registered Country
MX flag MX
Registered Country Name
Mexico
Registered Date
2001-05-15
Registration Last Change
2004-03-15
Receiving From

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

ASN
Organisation
AS22884
MX flagTOTAL PLAY TELECOMUNICACIONES SA DE CV
AS18734
MX flagOperbes, S.A. de C.V.
AS17072
MX flagTOTAL PLAY TELECOMUNICACIONES SA DE CV
IPv4 Active Prefixes

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

Prefix148.205.36.0/22
Range From148.205.36.0
Range To148.205.39.255
Prefix148.205.40.0/22
Range From148.205.40.0
Range To148.205.43.255
Prefix148.205.48.0/22
Range From148.205.48.0
Range To148.205.51.255
Prefix148.205.56.0/21
Range From148.205.56.0
Range To148.205.63.255
Prefix148.205.64.0/22
Range From148.205.64.0
Range To148.205.67.255
Showing 5 of 23
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.