AS239 - UTORONTO-AS - University of Toronto, CA

Canada
AS Number
AS239
AS Name
UTORONTO-AS
Org Name
University of Toronto
Country / Region
Canada
Registry

arin

RegDate

1988-09-20

Updated

2025-10-20

AS239 Looking Glass
IPv4Prefixes

15

IPv6Prefixes

3

IPv4 NUMs

331,264

IPv6 NUMs(/64)

1,103,806,595,072

CIDR Description IP Num
128.100.0.0/16
IRR InValid
University of Toronto 65536
138.51.0.0/17
University of Toronto 32768
138.51.0.0/16
University of Toronto 65536
138.51.128.0/17
University of Toronto 32768
142.1.0.0/16
University of Toronto 65536
142.150.0.0/17
IRR Parent Valid
University of Toronto 32768
142.150.0.0/16
IRR Valid
University of Toronto 65536
142.150.128.0/17
IRR Parent Valid
University of Toronto 32768
142.151.0.0/17
IRR Parent Valid
University of Toronto 32768
142.151.0.0/16
IRR Valid
University of Toronto 65536
142.151.128.0/17
IRR Parent Valid
University of Toronto 32768
192.12.174.0/24
University of Toronto 256
192.12.176.0/21
University of Toronto 2048
192.75.254.0/24
IRR Valid
University of Toronto 256
192.82.128.0/22
IRR InValid
University of Toronto 1024
CIDR Description IP NUMs(prefix /64)
2606:fa00::/32
University of Toronto 4294967296
2631:1000::/24
University of Toronto 1099511627776
2631:1002:22::/48
University of Toronto 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS26677 ORION-ASN - ORION, CA Canada 13,568 8,606,711,808 IPv4 IPv4 IPv6 IPv6
AS549 GTANET-AS - ORION, CA Canada 0 0 IPv6 IPv6 
ASNumber:       239
ASName:         UTORONTO-AS
ASHandle:       AS239
RegDate:        1988-09-20
Updated:        2009-07-31
Ref:            https://rdap.arin.net/registry/autnum/239

OrgID:          UNIVER-36
OrgName:        University of Toronto
CanAllocate:    
Street:         Information & Technology Services
Street:         4 Bancroft Avenue
Street:         ROOM 101C
City:           TORONTO
State/Prov:     ON
Country:        CA
PostalCode:     M5S 1C1
RegDate:        1988-09-20
Updated:        2025-10-20
OrgNOCHandle    DCA264-ARIN
OrgAdminHandle  DCA264-ARIN
OrgTechHandle   NSTEC-ARIN
OrgTechHandle   RS2206-ARIN
OrgAbuseHandle  NSTEC-ARIN
OrgAbuseHandle  RS2206-ARIN
Source:         ARIN

OrgAdminHandleHandle:  DCA264-ARIN
OrgAdminHandleName:    Carson, Douglas
OrgAdminHandlePhone:   +1-416-978-3855
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/DCA264-ARIN

OrgTechHandleHandle:  NSTEC-ARIN
OrgTechHandleName:    NS-TECH, 
OrgTechHandlePhone:   +1-416-978-4621
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/NSTEC-ARIN

OrgTechHandleHandle:  RS2206-ARIN
OrgTechHandleName:    Sutherland, Russell
OrgTechHandlePhone:   +1-416-978-0470
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/RS2206-ARIN

OrgAbuseHandleHandle:  NSTEC-ARIN
OrgAbuseHandleName:    NS-TECH, 
OrgAbuseHandlePhone:   +1-416-978-4621
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NSTEC-ARIN

OrgAbuseHandleHandle:  RS2206-ARIN
OrgAbuseHandleName:    Sutherland, Russell
OrgAbuseHandlePhone:   +1-416-978-0470
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/RS2206-ARIN

OrgNOCHandleHandle:  DCA264-ARIN
OrgNOCHandleName:    Carson, Douglas
OrgNOCHandlePhone:   +1-416-978-3855
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/DCA264-ARIN