Autonomous System

AS18663 University of the Pacific

EducationActiveUnited StatesARIN

AS18663 (UOP-AS) is an education network operated by University of the Pacific in United States, registered with ARIN. It has 3 IPv4 prefixes with 33,792 addresses, which makes it the 5,151st largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses33,792in 3 prefixes
IPv6 prefixes0none
Size rank#5,151of 82,283 active ASNs
Abuser scoreVery Low0.04% of its addresses flagged · method

Details

OrganizationUniversity of the Pacific
AS nameUOP-AS
Websitepacific.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactsystems@lists.pacific.edu
Registered2000-09-26
Last updated2012-03-02

IPv4 prefixes

3 prefixes · 33,792 addresses
NetworkAddressesFirst – last address
138.9.0.0/1732,768138.9.0.0 – 138.9.127.255
138.9.2.0/23512138.9.2.0 – 138.9.3.255
138.9.4.0/23512138.9.4.0 – 138.9.5.255

IPv6 prefixes

No IPv6 prefixes.

Query AS18663 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=AS18663&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18663, with or without a key:

curl "https://api.ipapi.is/?q=138.9.0.1"

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,912 IPv4 addressesAS16509 Amazon.com, Inc.218,475,264 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,568 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)72,987,904 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,152 IPv4 addresses