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	Prefix	Description
	63.115.50.0/24	Instructional Systems Inc

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS54004	Cablevision Lightpath LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS54004	Cablevision Lightpath LLC	✔	✘

ASHandle:       AS18728
OrgID:          INSTRU-15
ASName:         ISINJ
ASNumber:       18728
RegDate:        2000-10-03
Updated:        2012-02-24
TechHandle:     MP697-ARIN
Source:         ARIN



OrgID:          INSTRU-15
OrgName:        Instructional Systems Inc.
CanAllocate:    
Street:         401 Hackensack Ave LL
City:           Hackensack
State/Prov:     NJ
Country:        US
PostalCode:     07601
RegDate:        2000-10-03
Updated:        2023-02-06
OrgAdminHandle: MP697-ARIN
OrgTechHandle:  MP697-ARIN
OrgAbuseHandle: MP697-ARIN
Source:         ARIN





OrgAdminHandle:       MP697-ARIN
OrgAdminName:         Mark Porada
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MP697-ARIN
OrgTechName:          Mark Porada
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       MP697-ARIN
OrgAbuseName:         Mark Porada
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           MP697-ARIN
TechName:             Mark Porada
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-17T03:25:07Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-xo-b	58215
ARIN	as6128:as-customers	776
RADB	as-cv	189