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ASN Lookup Tool
AS23237 MCMASTER

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS23237
Organisation
McMaster University
Name
MCMASTER
Total IPv4 Addresses
66,048
Total IPv4 Prefixes
11
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,872 out of 79,170
Registry
Arin
Registered Country
CA flagCA
Registered Country Name
Canada
Registered Date
2002-02-13
Registration Last Change
2012-03-02
Receiving From
ASN
Organisation
AS7992
CA flagCogeco Connexion Inc.
AS26677
CA flagORION
IPv4 Active Prefixes
PrefixRange FromRange To
130.113.0.0/18130.113.0.0130.113.63.255
130.113.64.0/19130.113.64.0130.113.95.255
130.113.96.0/21130.113.96.0130.113.103.255
130.113.104.0/22130.113.104.0130.113.107.255
130.113.108.0/24130.113.108.0130.113.108.255
Showing 5 of 11
IPv6 Active Prefixes
PrefixRange FromRange To
2604:1700::/482604:1700::2604:1700:0:ffff:ffff:ffff:ffff:ffff