AS3598 is an AS number assigned to Microsoft Corporation. Country or region: United States.

OrganizationMicrosoft Corporation
Registered nameMICROSOFT-CORP-AS
CountryUnited States (US)
IPv4 addresses531,200
IPv4 ranges27
IPv6 ranges63

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
65.53.0.0/16 65,536 Check if your IP is in this range
131.107.0.0/16 65,536 Check if your IP is in this range
157.54.0.0/16 65,536 Check if your IP is in this range
157.57.0.0/16 65,536 Check if your IP is in this range
157.59.0.0/16 65,536 Check if your IP is in this range
157.60.0.0/16 65,536 Check if your IP is in this range
157.58.0.0/17 32,768 Check if your IP is in this range
167.220.0.0/17 32,768 Check if your IP is in this range
157.58.128.0/18 16,384 Check if your IP is in this range
167.220.128.0/18 16,384 Check if your IP is in this range
157.58.224.0/19 8,192 Check if your IP is in this range
167.220.192.0/19 8,192 Check if your IP is in this range
157.58.192.0/20 4,096 Check if your IP is in this range
194.69.112.0/20 4,096 Check if your IP is in this range
157.58.208.0/21 2,048 Check if your IP is in this range
167.220.232.0/21 2,048 Check if your IP is in this range
167.220.248.0/21 2,048 Check if your IP is in this range
194.69.96.0/21 2,048 Check if your IP is in this range
157.58.220.0/22 1,024 Check if your IP is in this range
167.220.228.0/22 1,024 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.