AS1540 is an AS number assigned to Headquarters, USAISC. Country or region: United States.

OrganizationHeadquarters, USAISC
Registered nameDNIC-ASBLK-01534-01546
CountryUnited States (US)
IPv4 addresses6,868,480
IPv4 ranges670
IPv6 ranges49

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
6.248.0.0/13 524,288 Check if your IP is in this range
6.244.0.0/14 262,144 Check if your IP is in this range
158.4.0.0/14 262,144 Check if your IP is in this range
6.140.0.0/15 131,072 Check if your IP is in this range
6.240.0.0/15 131,072 Check if your IP is in this range
143.78.0.0/15 131,072 Check if your IP is in this range
144.244.0.0/15 131,072 Check if your IP is in this range
146.14.0.0/15 131,072 Check if your IP is in this range
147.238.0.0/15 131,072 Check if your IP is in this range
150.192.0.0/15 131,072 Check if your IP is in this range
155.150.0.0/15 131,072 Check if your IP is in this range
155.214.0.0/15 131,072 Check if your IP is in this range
155.216.0.0/15 131,072 Check if your IP is in this range
158.16.0.0/15 131,072 Check if your IP is in this range
160.132.0.0/15 131,072 Check if your IP is in this range
6.41.0.0/16 65,536 Check if your IP is in this range
6.68.0.0/16 65,536 Check if your IP is in this range
6.242.0.0/16 65,536 Check if your IP is in this range
55.196.0.0/16 65,536 Check if your IP is in this range
128.190.0.0/16 65,536 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.