AS34 University of Delaware

UDELNET

IPv4 Addresses: 65,792

Number of Peers: 7

Number of Prefixes: 4

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS34 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS34 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

network-technical@udel.edu

noc@udel.edu

Abuse Contacts:

noc@udel.edu

Address:

Information Technologies,

192 South Chapel Street,

Newark,

DE,

19716,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
38.115.62.0/24	PSINet, Inc.	38.0.0.0/8	ARIN
128.175.0.0/16	University of Delaware	128.175.0.0/16	ARIN
128.175.18.0/24	University of Delaware	128.175.0.0/16	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2604:580::/32	University of Delaware		2604:580::/32	ARIN

IPv4 Peers
IPv6 Peers

ASN	Name	Description
AS174	COGENT-174	Cogent Communications
AS33287	COMCAST-33287	Comcast Cable Communications, LLC
AS2	UDEL-DCN	University of Delaware
AS33659	CMCS	Comcast Cable Communications, LLC

ASN	Name	Description
AS3754	NYSERNET3-AS	NYSERNet
AS33287	COMCAST-33287	Comcast Cable Communications, LLC
AS33659	CMCS	Comcast Cable Communications, LLC

IPv4 Upstreams
IPv6 Upstreams

ASN	Name	Description
AS33287	COMCAST-33287	Comcast Cable Communications, LLC
AS174	COGENT-174	Cogent Communications
AS33659	CMCS	Comcast Cable Communications, LLC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS33287	COMCAST-33287	Comcast Cable Communications, LLC
	AS33659	CMCS	Comcast Cable Communications, LLC

IPv6 Upstream Graph

IPv4 Downstreams

Country	ASN	Name	Description
	AS2	UDEL-DCN	University of Delaware

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       34
ASName:         UDELNET
ASHandle:       AS34
RegDate:        1984-10-03
Updated:        2023-11-08    
Ref:            https://rdap.arin.net/registry/autnum/34


OrgName:        University of Delaware
OrgId:          UNIVER-19-Z
Address:        Information Technologies
Address:        192 South Chapel Street
City:           Newark
StateProv:      DE
PostalCode:     19716
Country:        US
RegDate:        2008-03-18
Updated:        2024-08-15
Ref:            https://rdap.arin.net/registry/entity/UNIVER-19-Z


OrgTechHandle: NSS13-ARIN
OrgTechName:   Network and Systems Services
OrgTechPhone:  +1-302-831-6000 
OrgTechEmail:  network-technical@udel.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN

OrgNOCHandle: UDELN-ARIN
OrgNOCName:   UDel NOC
OrgNOCPhone:  +1-302-831-6000 
OrgNOCEmail:  noc@udel.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN

OrgRoutingHandle: NSS13-ARIN
OrgRoutingName:   Network and Systems Services
OrgRoutingPhone:  +1-302-831-6000 
OrgRoutingEmail:  network-technical@udel.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN

OrgDNSHandle: UDELN-ARIN
OrgDNSName:   UDel NOC
OrgDNSPhone:  +1-302-831-6000 
OrgDNSEmail:  noc@udel.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN

OrgAbuseHandle: UDELN-ARIN
OrgAbuseName:   UDel NOC
OrgAbusePhone:  +1-302-831-6000 
OrgAbuseEmail:  noc@udel.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed