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	Prefix	Description
	192.100.55.0/24	Adelphi University
	192.147.12.0/24	Adelphi University
	192.160.130.0/24	Adelphi University
	192.160.131.0/24	Adelphi University
	2620:65:8000::/48	Adelphi University
	2620:65:8000::/46	Adelphi University

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✔
	AS54004	Cablevision Lightpath LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✔
	AS54004	Cablevision Lightpath LLC	✔	✔

ASHandle:       AS20306
OrgID:          ADELPH
ASName:         ADELPHI
ASNumber:       20306
RegDate:        2001-04-20
Updated:        2012-03-02
TechHandle:     FHI5-ARIN
AbuseHandle:    ABUSE1796-ARIN
NOCHandle:      FHI5-ARIN
Source:         ARIN



OrgID:          ADELPH
OrgName:        Adelphi University
CanAllocate:    
Street:         OIT&R
Street:         1 South Ave
City:           Garden City
State/Prov:     NY
Country:        US
PostalCode:     11530
RegDate:        1991-03-25
Updated:        2011-07-06
OrgAdminHandle: ARINA63-ARIN
OrgTechHandle:  FHI5-ARIN
OrgAbuseHandle: ABUSE1796-ARIN
Source:         ARIN





OrgAdminHandle:       ARINA63-ARIN
OrgAdminName:          Arin Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        FHI5-ARIN
OrgTechName:          Fred Hicks
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE1796-ARIN
OrgAbuseName:          Abuse Coordinator
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           FHI5-ARIN
TechName:             Fred Hicks
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ABUSE1796-ARIN
AbuseName:             Abuse Coordinator
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            FHI5-ARIN
NOCName:              Fred Hicks
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-17T03:26:51Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
ARIN	as-light-141	113
ARIN	as6128:as-customers	776
ALTDB	as-adelphi	1
ARIN	as-xo	1
LEVEL3	as-sprint-origins	7309
LEVEL3	as-enron-transit	8
RADB	as-ccf-test	1461
RADB	as-cv	189
RADB	as-ccf	1509
ARIN	as-xo-b	58220