Autonomous System

AS19739 County of San Bernardino

GovernmentActiveUnited StatesARIN

AS19739 (COUNTY-SANBERNARDINO) is a government network operated by County of San Bernardino in United States, registered with ARIN. It has 27 IPv4 prefixes with 10,496 addresses, which makes it the 9,845th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses10,496in 27 prefixes
IPv6 prefixes0none
Size rank#9,845of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCounty of San Bernardino
AS nameCOUNTY-SANBERNARDINO
Country United States (US)
Network typeGovernment
RegistryARIN
Registered2001-02-08
Last updated2021-08-19

IPv4 prefixes

27 prefixes · 10,496 addresses
NetworkAddressesFirst – last address
170.164.240.0/212,048170.164.240.0 – 170.164.247.255
170.164.116.0/221,024170.164.116.0 – 170.164.119.255
170.164.40.0/23512170.164.40.0 – 170.164.41.255
170.164.42.0/23512170.164.42.0 – 170.164.43.255
170.164.44.0/23512170.164.44.0 – 170.164.45.255
170.164.84.0/23512170.164.84.0 – 170.164.85.255
170.164.0.0/24256170.164.0.0 – 170.164.0.255
170.164.10.0/24256170.164.10.0 – 170.164.10.255
170.164.11.0/24256170.164.11.0 – 170.164.11.255
170.164.14.0/24256170.164.14.0 – 170.164.14.255
170.164.20.0/24256170.164.20.0 – 170.164.20.255
170.164.21.0/24256170.164.21.0 – 170.164.21.255
170.164.50.0/24256170.164.50.0 – 170.164.50.255
170.164.60.0/24256170.164.60.0 – 170.164.60.255
170.164.70.0/24256170.164.70.0 – 170.164.70.255
170.164.71.0/24256170.164.71.0 – 170.164.71.255
170.164.75.0/24256170.164.75.0 – 170.164.75.255
170.164.87.0/24256170.164.87.0 – 170.164.87.255
170.164.97.0/24256170.164.97.0 – 170.164.97.255
170.164.101.0/24256170.164.101.0 – 170.164.101.255
170.164.107.0/24256170.164.107.0 – 170.164.107.255
170.164.124.0/24256170.164.124.0 – 170.164.124.255
170.164.125.0/24256170.164.125.0 – 170.164.125.255
170.164.165.0/24256170.164.165.0 – 170.164.165.255
170.164.239.0/24256170.164.239.0 – 170.164.239.255
The 25 largest of 27. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS19739 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=AS19739&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS19739, with or without a key:

curl "https://api.ipapi.is/?q=170.164.240.1"

Largest networks in United States