AS239 - UTORONTO-AS - University of Toronto, CA

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

arin

RegDate

1988-09-20

Updated

2025-10-20

AS239 Looking Glass
IPv4Prefixes

20

IPv6Prefixes

3

IPv4 NUMs

331,264

IPv6 NUMs(/64)

1,103,806,595,072

331,264 IPv4 Addresses
CIDR Description IP Num
128.100.0.0/24 University of Toronto 256
128.100.0.0/16 University of Toronto 65536
138.51.0.0/24 University of Toronto 256
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
142.1.0.0/24 University of Toronto 256
142.1.0.0/16 University of Toronto 65536
142.150.0.0/24 University of Toronto 256
142.150.0.0/17 University of Toronto 32768
142.150.0.0/16 University of Toronto 65536
142.150.128.0/17 University of Toronto 32768
142.151.0.0/24 University of Toronto 256
142.151.0.0/17 University of Toronto 32768
142.151.0.0/16 University of Toronto 65536
142.151.128.0/17 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 University of Toronto 256
192.82.128.0/22 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 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS549 GTANET-AS - GTAnet Networking, 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


OrgName:        University of Toronto
OrgId:          UNIVER-36
Address:        Information & Technology Services
Address:        4 Bancroft Avenue
Address:        ROOM 101C
City:           TORONTO
StateProv:      ON
PostalCode:     M5S 1C1
Country:        CA
RegDate:        1988-09-20
Updated:        2025-10-20
Ref:            https://rdap.arin.net/registry/entity/UNIVER-36


OrgTechHandle: RS2206-ARIN
OrgTechName:   Sutherland, Russell 
OrgTechPhone:  +1-416-803-0080 
OrgTechEmail:  russell.sutherland@utoronto.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/RS2206-ARIN

OrgNOCHandle: DCA264-ARIN
OrgNOCName:   Carson, Douglas 
OrgNOCPhone:  +1-416-978-3855 
OrgNOCEmail:  doug.carson@utoronto.ca
OrgNOCRef:    https://rdap.arin.net/registry/entity/DCA264-ARIN

OrgAbuseHandle: RS2206-ARIN
OrgAbuseName:   Sutherland, Russell 
OrgAbusePhone:  +1-416-803-0080 
OrgAbuseEmail:  russell.sutherland@utoronto.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RS2206-ARIN

OrgAbuseHandle: NSTEC-ARIN
OrgAbuseName:   NS-TECH
OrgAbusePhone:  +1-416-978-6620 
OrgAbuseEmail:  eis.net.eng@utoronto.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSTEC-ARIN

OrgTechHandle: NSTEC-ARIN
OrgTechName:   NS-TECH
OrgTechPhone:  +1-416-978-6620 
OrgTechEmail:  eis.net.eng@utoronto.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/NSTEC-ARIN