AS103 is an AS number assigned to Northwestern University. Country or region: United States.

OrganizationNorthwestern University
Registered nameNWU-AS
CountryUnited States (US)
IPv4 addresses149,504
IPv4 ranges22
IPv6 ranges3

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
129.105.0.0/16 65,536 Check if your IP is in this range
165.124.0.0/17 32,768 Check if your IP is in this range
199.74.64.0/18 16,384 Check if your IP is in this range
165.124.128.0/19 8,192 Check if your IP is in this range
165.124.192.0/19 8,192 Check if your IP is in this range
165.124.160.0/20 4,096 Check if your IP is in this range
165.124.240.0/20 4,096 Check if your IP is in this range
165.124.176.0/21 2,048 Check if your IP is in this range
165.124.224.0/21 2,048 Check if your IP is in this range
8.30.248.0/22 1,024 Check if your IP is in this range
165.124.232.0/22 1,024 Check if your IP is in this range
8.28.178.0/23 512 Check if your IP is in this range
165.124.184.0/23 512 Check if your IP is in this range
192.26.86.0/23 512 Check if your IP is in this range
199.249.166.0/23 512 Check if your IP is in this range
199.249.168.0/23 512 Check if your IP is in this range
38.124.97.0/24 256 Check if your IP is in this range
165.124.186.0/24 256 Check if your IP is in this range
192.5.143.0/24 256 Check if your IP is in this range
192.26.85.0/24 256 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.