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	Prefix	Description
	192.139.10.0/24	Centennial College
	199.212.26.0/24	Centennial College
	199.212.27.0/24	Centennial College
	199.212.30.0/24	Centennial College
	199.212.37.0/24	Centennial College
	199.212.38.0/24	Centennial College
	199.212.39.0/24	Centennial College
	199.212.60.0/24	Centennial College
	199.212.61.0/24	Centennial College

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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:       AS19350
OrgID:          CENTEN-3
ASName:         CENTENNIALCOLLEGE
ASNumber:       19350
RegDate:        2000-12-20
Updated:        2024-07-26
Source:         ARIN



OrgID:          CENTEN-3
OrgName:        Centennial College
CanAllocate:    
Street:         941 Progress Avenue
City:           Scarborough
State/Prov:     ON
Country:        CA
PostalCode:     M1K-5E9
RegDate:        1994-03-23
Updated:        2025-10-15
OrgAdminHandle: CENTE74-ARIN
OrgTechHandle:  CENTE74-ARIN
OrgAbuseHandle: CENTE74-ARIN
Source:         ARIN





OrgAdminHandle:       CENTE74-ARIN
OrgAdminName:          Centennial-IP
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CENTE74-ARIN
OrgTechName:           Centennial-IP
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CENTE74-ARIN
OrgAbuseName:          Centennial-IP
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:28:47Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
CANARIE	as6509:as-canet4	160
ARIN	as-549-as-customers	70
RADB	as23498:as-customers	166
BELL	as549:as-customers	11
RADB	as-cdsi	166
ARIN	as26677:as-gtatest	17
CANARIE	as6509:as-nren	185
CANARIE	as26677:as-gigapop	58
BELL	as6539:as-customers	476
RADB	as23498:as-cdsi	168
CANARIE	as6509:as-canarie	211
RADB	as-nexicom	122