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	Prefix	Description
	38.115.62.0/24	University of Delaware
	128.175.0.0/16	University of Delaware
	2604:580::/32	University of Delaware

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS33287	Comcast Cable Communications, LLC	✔	✔
	AS174	Cogent Communications, LLC	✔	✘
	AS33659	Comcast Cable Communications, LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS33287	Comcast Cable Communications, LLC	✔	✔
	AS174	Cogent Communications, LLC	✔	✘
	AS2	University of Delaware	✔	✘
	AS33659	Comcast Cable Communications, LLC	✔	✔
	AS3754	NYSERNet	✔	✔
	AS3630	NYSERNet	✔	✔
	AS1239	Sprint Wireline (Cogent)	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS2	University of Delaware	✔	✘

ASHandle:       AS34
OrgID:          UNIVER-19-Z
ASName:         UDELNET
ASNumber:       34
RegDate:        1984-10-03
Updated:        2023-11-08
Source:         ARIN



OrgID:          UNIVER-19-Z
OrgName:        University of Delaware
CanAllocate:    
Street:         Information Technologies
Street:         192 South Chapel Street
City:           Newark
State/Prov:     DE
Country:        US
PostalCode:     19716
RegDate:        2008-03-18
Updated:        2024-08-15
OrgAdminHandle: DAVIS2708-ARIN
OrgTechHandle:  NSS13-ARIN
OrgAbuseHandle: UDELN-ARIN
OrgNOCHandle:   UDELN-ARIN
OrgRoutingHandle:   NSS13-ARIN
OrgDNSHandle:   UDELN-ARIN
Source:         ARIN





OrgAdminHandle:       DAVIS2708-ARIN
OrgAdminName:         Michael DAvis
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NSS13-ARIN
OrgTechName:           Network and Systems Services
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       UDELN-ARIN
OrgAbuseName:          UDel NOC
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         UDELN-ARIN
OrgNOCName:            UDel NOC
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     NSS13-ARIN
OrgRoutingName:        Network and Systems Services
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         UDELN-ARIN
OrgDNSName:            UDel NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:26:28Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as3630:as-connectors	72
RADB	as174:as-cogc-022	47
RADB	as-comcast-edia	2752
RADB	as16631:as-cogc-010	73
LEVEL3	as-level3-transits	1364
RADB	as3754:as-connectors	73