ASN Lookup Tool

AS23237
McMaster University CA CA 5 Routes

AS23237McMaster University

AS Number 23237
AS Name MCMASTER
Organization McMaster University(mu)
Country CA
Website mcmaster.ca
Number of IPv4 Routes 4
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status
Registry ARIN
Date Allocated 2012-03-02T00:00

IP Ranges

Route # IPs
192.42.5.0/24 256
192.42.6.0/24 256
2604:1700::/48 ~1×10²⁴
130.113.0.0/16 65536
130.113.109.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       23237
ASName:         MCMASTER
ASHandle:       AS23237
RegDate:        2002-02-13
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/23237


OrgName:        McMaster University
OrgId:          MU
Address:        1280 Main St. West
City:           Hamilton
StateProv:      ON
PostalCode:     L8S-4M1
Country:        CA
RegDate:        1988-08-04
Updated:        2025-10-14
Ref:            https://rdap.arin.net/registry/entity/MU


OrgTechHandle: MDD4-ARIN
OrgTechName:   Diggins, Mike Donald
OrgTechPhone:  +1-905-525-9140 
OrgTechEmail:  mike.diggins@mcmaster.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MDD4-ARIN

OrgAbuseHandle: MDD4-ARIN
OrgAbuseName:   Diggins, Mike Donald
OrgAbusePhone:  +1-905-525-9140 
OrgAbuseEmail:  mike.diggins@mcmaster.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MDD4-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
            

Parsed Whois Response

Peers

AS Number Description Country
AS26677 ORION CA
AS7992 Cogeco Connexion Inc. CA

Upstreams

AS Number Description Country
AS26677 ORION CA
AS7992 Cogeco Connexion Inc. CA

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