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	Prefix	Description
	128.100.0.0/16	University of Toronto
	138.51.0.0/16	University of Toronto
	138.51.0.0/17	University of Toronto
	138.51.128.0/17	University of Toronto
	142.1.0.0/16	University of Toronto
	142.150.0.0/16	University of Toronto
	142.150.0.0/17	University of Toronto
	142.150.128.0/17	University of Toronto
	142.151.128.0/17	University of Toronto
	192.12.174.0/24	University of Toronto
	192.12.176.0/21	University of Toronto
	192.75.254.0/24	University of Toronto
	192.82.128.0/22
	142.151.0.0/17	University of Toronto
	142.151.0.0/16	University of Toronto
	2606:fa00::/32	University of Toronto
	2631:1000::/24	University of Toronto
	2631:1002:22::/48	University of Toronto

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS26677	ORION	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS26677	ORION	✔	✔

ASHandle:       AS239
OrgID:          UNIVER-36
ASName:         UTORONTO-AS
ASNumber:       239
RegDate:        1988-09-20
Updated:        2009-07-31
Source:         ARIN



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
OrgAdminHandle: DCA264-ARIN
OrgTechHandle:  NSTEC-ARIN
OrgTechHandle:  RS2206-ARIN
OrgAbuseHandle: NSTEC-ARIN
OrgAbuseHandle: RS2206-ARIN
OrgNOCHandle:   DCA264-ARIN
Source:         ARIN





OrgAdminHandle:       DCA264-ARIN
OrgAdminName:         Douglas Carson
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NSTEC-ARIN
OrgTechName:           NS-TECH
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RS2206-ARIN
OrgTechName:          Russell Sutherland
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NSTEC-ARIN
OrgAbuseName:          NS-TECH
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       RS2206-ARIN
OrgAbuseName:         Russell Sutherland
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         DCA264-ARIN
OrgNOCName:           Douglas Carson
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:34:05Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as174:as-cogc-013	49
CANARIE	as6509:as-canet4	153
CANARIE	as26677:as-gigapop	57
RADB	as16631:as-cogc-007	66
ARIN	as26677:as-gtatest	17
CANARIE	as6509:as-nren	178
LEVEL3	as-sprint-origins	7309
CANARIE	as6509:as-canarie	204
ARIN	as26677:as-gigapop-peering	55
RADB	as-hurricanev6	20179
BELL	as549:as-customers	11
ARIN	as26677:as-gigapop4rpkimon	55
ARIN	as-549-as-customers	69
BELL	as6539:as-customers	633
RADB	as-nexicom	122