ASN AS34 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS34?

AS34 is listed under University of Delaware.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS34 University of Delaware | IPGeolocation.io

ASN Lookup Tool

University of Delaware udel.edu

US 3 Routes

AS Data

AS34

AS34 – University of Delaware

AS Number	34
AS Name	UDELNET
Organization	University of Delaware(univer-19-z)
Country	US
Website	udel.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1984-10-03

ASN Intelligence API for production workflows

Use ASN data for AS34 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2604:580::/32	AS34	University of Delaware	University of Delaware	~79×10²⁷
38.115.62.0/24	AS34	University of Delaware	University of Delaware	256
128.175.0.0/16	AS34	University of Delaware	University of Delaware	65536

Raw Whois Response

#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


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:  noc@udel.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN

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

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


#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "34",
    "as_handle" : "AS34",
    "as_name" : "UDELNET",
    "admin_contacts" : [ "UDELN-ARIN" ],
    "tech_contacts" : [ "NSS13-ARIN", "NSS13-ARIN" ],
    "abuse_contacts" : [ "UDELN-ARIN" ],
    "date_created" : "1984-10-03",
    "date_updated" : "2023-11-08",
    "source" : "https://rdap.arin.net/registry/autnum/34"
  } ],
  "organization" : {
    "handle" : "UNIVER-19-Z",
    "name" : "University of Delaware",
    "address" : [ "Information Technologies", "192 South Chapel Street", "Newark", "DE", "19716", "US" ],
    "street" : "South Chapel Street",
    "city" : "Newark",
    "state" : "DE",
    "zip_code" : "19716",
    "country" : [ "US" ],
    "date_created" : "2008-03-18",
    "date_updated" : "2024-08-15",
    "source" : "https://rdap.arin.net/registry/entity/UNIVER-19-Z",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "UDELN-ARIN",
    "name" : "UDel NOC",
    "email" : [ "noc@udel.edu" ],
    "phone" : [ "+1-302-831-6000" ],
    "source" : "https://rdap.arin.net/registry/entity/UDELN-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "NSS13-ARIN",
    "name" : "Network and Systems Services",
    "email" : [ "noc@udel.edu" ],
    "phone" : [ "+1-302-831-6000" ],
    "source" : "https://rdap.arin.net/registry/entity/NSS13-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "UDELN-ARIN",
    "name" : "UDel NOC",
    "email" : [ "noc@udel.edu" ],
    "phone" : [ "+1-302-831-6000" ],
    "source" : "https://rdap.arin.net/registry/entity/UDELN-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS2	University of Delaware	US
AS1239	Cogent Communications, LLC	US
AS33287	Comcast Cable Communications, LLC	US
AS3754	NYSERNet	US
AS33659	Comcast Cable Communications, LLC	US
AS3630	NYSERNet	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33287	Comcast Cable Communications, LLC	US
AS3754	NYSERNet	US
AS33659	Comcast Cable Communications, LLC	US
AS3630	NYSERNet	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS2	University of Delaware	US