Autonomous System

AS402224 Merced County Information Systems

GovernmentActiveUnited StatesARIN

AS402224 (MERCEDCOUNTY-ASN-1) is a government network operated by Merced County Information Systems in United States, registered with ARIN. It has 2 IPv4 prefixes with 49,152 addresses, which makes it the 4,394th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses49,152in 2 prefixes
IPv6 prefixes0none
Size rank#4,394of 82,558 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationMerced County Information Systems
AS nameMERCEDCOUNTY-ASN-1
Websitecountyofmerced.com
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactrita.cartagena@countyofmerced.com
Registered2026-02-24
Last updated2026-02-24

IPv4 prefixes

2 prefixes · 49,152 addresses
NetworkAddressesFirst – last address
139.151.128.0/1732,768139.151.128.0 – 139.151.255.255
139.151.64.0/1816,384139.151.64.0 – 139.151.127.255

IPv6 prefixes

No IPv6 prefixes.

Query AS402224 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=AS402224&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS402224, with or without a key:

curl "https://api.ipapi.is/?q=139.151.128.1"

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,656 IPv4 addressesAS16509 Amazon.com, Inc.218,488,832 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,056 IPv4 addressesAS8075 Microsoft Corporation81,467,904 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,416 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses