AS203 is an AS number assigned to Level 3 Parent, LLC. Country or region: United States.

OrganizationLevel 3 Parent, LLC
Registered nameCENTURYLINK-LEGACY-LVLT-203
CountryUnited States (US)
IPv4 addresses284,928
IPv4 ranges85
IPv6 ranges0

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
149.21.0.0/16 65,536 Check if your IP is in this range
170.46.0.0/16 65,536 Check if your IP is in this range
143.112.0.0/17 32,768 Check if your IP is in this range
143.112.128.0/18 16,384 Check if your IP is in this range
156.42.64.0/18 16,384 Check if your IP is in this range
156.42.128.0/18 16,384 Check if your IP is in this range
143.112.192.0/19 8,192 Check if your IP is in this range
156.42.32.0/19 8,192 Check if your IP is in this range
156.42.224.0/19 8,192 Check if your IP is in this range
161.209.192.0/19 8,192 Check if your IP is in this range
206.203.96.0/20 4,096 Check if your IP is in this range
156.42.208.0/21 2,048 Check if your IP is in this range
161.209.96.0/21 2,048 Check if your IP is in this range
206.203.112.0/21 2,048 Check if your IP is in this range
216.235.200.0/21 2,048 Check if your IP is in this range
63.128.0.0/22 1,024 Check if your IP is in this range
63.128.8.0/22 1,024 Check if your IP is in this range
205.139.104.0/22 1,024 Check if your IP is in this range
206.203.68.0/22 1,024 Check if your IP is in this range
206.203.84.0/22 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.