AS109 is an AS number assigned to CISCO SYSTEMS, INC.. Country or region: United States.

OrganizationCISCO SYSTEMS, INC.
Registered nameCISCOSYSTEMS
CountryUnited States (US)
IPv4 addresses1,141,504
IPv4 ranges28
IPv6 ranges1

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
64.100.0.0/14 262,144 Check if your IP is in this range
171.68.0.0/14 262,144 Check if your IP is in this range
173.36.0.0/15 131,072 Check if your IP is in this range
64.104.0.0/16 65,536 Check if your IP is in this range
72.163.0.0/16 65,536 Check if your IP is in this range
128.107.0.0/16 65,536 Check if your IP is in this range
144.254.0.0/16 65,536 Check if your IP is in this range
161.44.0.0/16 65,536 Check if your IP is in this range
173.38.0.0/16 65,536 Check if your IP is in this range
173.39.0.0/17 32,768 Check if your IP is in this range
173.39.128.0/18 16,384 Check if your IP is in this range
173.39.192.0/19 8,192 Check if your IP is in this range
192.133.192.0/19 8,192 Check if your IP is in this range
216.128.32.0/19 8,192 Check if your IP is in this range
66.187.208.0/20 4,096 Check if your IP is in this range
192.133.224.0/20 4,096 Check if your IP is in this range
12.19.88.0/21 2,048 Check if your IP is in this range
198.135.0.0/21 2,048 Check if your IP is in this range
12.159.148.0/22 1,024 Check if your IP is in this range
103.60.32.0/22 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.

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