AS23237 - MCMASTER - McMaster University, CA

Canada
AS Number
AS23237
AS Name
MCMASTER
Org Name
McMaster University
Country / Region
Canada
Registry

arin

RegDate

1988-08-04

Updated

2025-10-14

AS23237 Looking Glass
IPv4Prefixes

4

IPv6Prefixes

1

IPv4 NUMs

66,048

IPv6 NUMs(/64)

65,536

CIDR Description IP Num
130.113.0.0/16
McMaster University 65536
130.113.109.0/24
McMaster University 256
192.42.5.0/24
McMaster University 256
192.42.6.0/24
McMaster University 256
CIDR Description IP NUMs(prefix /64)
2604:1700::/48
McMaster University 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7992 COGECOWAVE - Cogeco Connexion Inc., CA Canada 989,440 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS26677 ORION-ASN - ORION, CA Canada 13,568 8,606,711,808 IPv4 IPv4 IPv6 IPv6 
ASNumber:       23237
ASName:         MCMASTER
ASHandle:       AS23237
RegDate:        2002-02-13
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/23237

OrgID:          MU
OrgName:        McMaster University
CanAllocate:    
Street:         1280 Main St. West
City:           Hamilton
State/Prov:     ON
Country:        CA
PostalCode:     L8S-4M1
RegDate:        1988-08-04
Updated:        2025-10-14
OrgAdminHandle  MDD4-ARIN
OrgTechHandle   MDD4-ARIN
OrgAbuseHandle  MDD4-ARIN
Source:         ARIN

OrgAdminHandleHandle:  MDD4-ARIN
OrgAdminHandleName:    Diggins, Mike
OrgAdminHandlePhone:   +1-905-525-9140
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/MDD4-ARIN

OrgTechHandleHandle:  MDD4-ARIN
OrgTechHandleName:    Diggins, Mike
OrgTechHandlePhone:   +1-905-525-9140
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MDD4-ARIN

OrgAbuseHandleHandle:  MDD4-ARIN
OrgAbuseHandleName:    Diggins, Mike
OrgAbuseHandlePhone:   +1-905-525-9140
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/MDD4-ARIN