AS1856 is an AS number assigned to RTX BBN Technologies, Inc.. Country or region: United States.

OrganizationRTX BBN Technologies, Inc.
Registered nameDISN-PILOTNET2
CountryUnited States (US)
IPv4 addresses88,832
IPv4 ranges29
IPv6 ranges0

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
128.33.64.0/18 16,384 Check if your IP is in this range
128.33.128.0/18 16,384 Check if your IP is in this range
128.33.32.0/19 8,192 Check if your IP is in this range
128.33.192.0/19 8,192 Check if your IP is in this range
192.1.64.0/19 8,192 Check if your IP is in this range
128.33.0.0/20 4,096 Check if your IP is in this range
128.33.224.0/20 4,096 Check if your IP is in this range
192.1.32.0/20 4,096 Check if your IP is in this range
128.33.16.0/21 2,048 Check if your IP is in this range
128.33.240.0/21 2,048 Check if your IP is in this range
192.1.8.0/21 2,048 Check if your IP is in this range
192.1.24.0/21 2,048 Check if your IP is in this range
192.1.144.0/21 2,048 Check if your IP is in this range
128.33.28.0/22 1,024 Check if your IP is in this range
128.33.248.0/22 1,024 Check if your IP is in this range
192.1.0.0/22 1,024 Check if your IP is in this range
192.1.20.0/22 1,024 Check if your IP is in this range
192.1.124.0/22 1,024 Check if your IP is in this range
128.33.26.0/23 512 Check if your IP is in this range
128.33.252.0/23 512 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.