Autonomous System

AS2 University of Delaware

EducationActiveUnited StatesARIN

AS2 (UDEL-DCN) is an education network operated by University of Delaware in United States, registered with ARIN. It has 6 IPv4 prefixes with 78,336 addresses, which makes it the 2,736th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses78,336in 6 prefixes
IPv6 prefixes0none
Size rank#2,736of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationUniversity of Delaware
AS nameUDEL-DCN
Websiteudel.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactnoc@udel.edu
Registered1991-01-10
Last updated2023-11-08

IPv4 prefixes

6 prefixes · 78,336 addresses
NetworkAddressesFirst – last address
128.4.0.0/1665,536128.4.0.0 – 128.4.255.255
91.143.144.0/204,09691.143.144.0 – 91.143.159.255
171.79.128.0/204,096171.79.128.0 – 171.79.143.255
171.79.144.0/204,096171.79.144.0 – 171.79.159.255
194.190.53.0/24256194.190.53.0 – 194.190.53.255
194.190.54.0/24256194.190.54.0 – 194.190.54.255

IPv6 prefixes

No IPv6 prefixes.

Query AS2 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS2&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS2, with or without a key:

curl "https://api.ipapi.is/?q=128.4.0.1"

Other networks of University of Delaware

AS34 University of Delaware65,792 IPv4 addresses

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