AS239 University of Toronto

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	128.100.0.0/16	University of Toronto		128.100.0.0/16	ARIN
	138.51.0.0/17	University of Toronto		138.51.0.0/16	ARIN
	138.51.0.0/16	University of Toronto		138.51.0.0/16	ARIN
	138.51.128.0/17	University of Toronto		138.51.0.0/16	ARIN
	138.51.240.0/20	University of Toronto		138.51.0.0/16	ARIN
	142.1.0.0/16	University of Toronto		142.1.0.0/16	ARIN
	142.1.119.0/24			-
	142.150.0.0/16	University of Toronto		142.150.0.0/16	ARIN
	142.150.0.0/17	University of Toronto		142.150.0.0/16	ARIN
	142.150.128.0/17	University of Toronto		142.150.0.0/16	ARIN
	142.151.0.0/17	University of Toronto		142.151.0.0/16	ARIN
	142.151.0.0/16	University of Toronto		142.151.0.0/16	ARIN
	142.151.128.0/17	University of Toronto		142.151.0.0/16	ARIN
	192.12.174.0/24	University of Toronto		192.12.174.0/23	ARIN
	192.12.176.0/21	University of Toronto		192.12.176.0/21	ARIN
	192.75.254.0/24	University of Toronto		192.75.254.0/24	ARIN
	192.82.128.0/22	Various Registries (Maintained by ARIN)		192.82.128.0/24	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2606:fa00::/32	University of Toronto		2606:fa00::/32	ARIN
	2631:1000::/24	University of Toronto		2631:1000::/24	ARIN
	2631:1002:22::/48			-

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS549	GTANET-AS	GTAnet Networking

Country	ASN	Name	Description	IPv4
	AS549	GTANET-AS	GTAnet Networking

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS549	GTANET-AS	GTAnet Networking

IPv4 Upstream Graph

×

IPv4 Upstream Graph

Loading...

Loading...

Country	ASN	Name	Description	IPv4
	AS549	GTANET-AS	GTAnet Networking

IPv6 Upstream Graph

×

IPv6 Upstream Graph

Loading...

Loading...

#
# 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:       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:        2019-11-08
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

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

OrgNOCHandle: DCA264-ARIN
OrgNOCName:   Carson, Douglas 
OrgNOCPhone:  +1-416-978-6620 
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:  ns-tech@madhaus.eis.utoronto.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSTEC-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.
#