AS3561 is an AS number assigned to CenturyLink Communications, LLC. Country or region: United States.

OrganizationCenturyLink Communications, LLC
Registered nameCENTURYLINK-LEGACY-SAVVIS
CountryUnited States (US)
IPv4 addresses6,385,920
IPv4 ranges1,164
IPv6 ranges30

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
206.100.0.0/15 131,072 Check if your IP is in this range
207.0.0.0/15 131,072 Check if your IP is in this range
208.134.0.0/15 131,072 Check if your IP is in this range
208.146.0.0/15 131,072 Check if your IP is in this range
208.148.0.0/15 131,072 Check if your IP is in this range
216.90.0.0/15 131,072 Check if your IP is in this range
64.243.0.0/16 65,536 Check if your IP is in this range
66.101.0.0/16 65,536 Check if your IP is in this range
167.215.0.0/16 65,536 Check if your IP is in this range
204.70.0.0/16 65,536 Check if your IP is in this range
205.136.0.0/16 65,536 Check if your IP is in this range
205.218.0.0/16 65,536 Check if your IP is in this range
206.26.0.0/16 65,536 Check if your IP is in this range
206.102.0.0/16 65,536 Check if your IP is in this range
206.142.0.0/16 65,536 Check if your IP is in this range
208.137.0.0/16 65,536 Check if your IP is in this range
208.145.0.0/16 65,536 Check if your IP is in this range
208.151.0.0/16 65,536 Check if your IP is in this range
208.159.0.0/16 65,536 Check if your IP is in this range
208.170.0.0/16 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.