Autonomous System

AS21984 Fairfax County Public Schools

EducationActiveUnited StatesARIN

AS21984 (FCPS) is an education network operated by Fairfax County Public Schools in United States, registered with ARIN. It has 6 IPv4 prefixes with 131,328 addresses, which makes it the 1,895th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses131,328in 6 prefixes
IPv6 prefixes0none
Size rank#1,895of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationFairfax County Public Schools
AS nameFCPS
Websitefcps.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactDataSecurity@fcps.edu
Registered2001-07-20
Last updated2012-02-24

IPv4 prefixes

6 prefixes · 131,328 addresses
NetworkAddressesFirst – last address
151.188.0.0/1665,536151.188.0.0 – 151.188.255.255
151.188.0.0/1816,384151.188.0.0 – 151.188.63.255
151.188.64.0/1816,384151.188.64.0 – 151.188.127.255
151.188.128.0/1816,384151.188.128.0 – 151.188.191.255
151.188.192.0/1816,384151.188.192.0 – 151.188.255.255
151.188.77.0/24256151.188.77.0 – 151.188.77.255

IPv6 prefixes

No IPv6 prefixes.

Query AS21984 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=AS21984&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21984, with or without a key:

curl "https://api.ipapi.is/?q=151.188.0.1"

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