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ASN Lookup Tool
AS21520 Private Use AS

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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
20,992
Total IPv4 Prefixes
23
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,273 out of 79,201
Registry
Lacnic
Registered Country
MX flagMX
Registered Country Name
Mexico
Registered Date
2001-05-15
Registration Last Change
2004-03-15
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS32098
US flagTranstelco Inc
AS18734
MX flagOperbes, S.A. de C.V.
IPv4 Active Prefixes
PrefixRange FromRange To
148.205.13.0/24148.205.13.0148.205.13.255
148.205.36.0/22148.205.36.0148.205.39.255
148.205.40.0/22148.205.40.0148.205.43.255
148.205.48.0/22148.205.48.0148.205.51.255
148.205.56.0/21148.205.56.0148.205.63.255
Showing 5 of 23