AS513 is an AS number assigned to European Organization for Nuclear Research. Country or region: Switzerland.

OrganizationEuropean Organization for Nuclear Research
Registered nameCERN CERN
CountrySwitzerland (CH)
IPv4 addresses354,816
IPv4 ranges19
IPv6 ranges1
RegistrationLook up the holder and the abuse contact in IP Lookup

AS numbers: Switzerland

IPv4 address ranges (all 19)

Range (CIDR)AddressesCheck
188.184.0.0/15 131,072 Check if your IP is in this range
128.141.0.0/16 65,536 Check if your IP is in this range
128.142.0.0/16 65,536 Check if your IP is in this range
137.138.0.0/16 65,536 Check if your IP is in this range
194.12.128.0/18 16,384 Check if your IP is in this range
192.65.184.0/21 2,048 Check if your IP is in this range
185.249.56.0/22 1,024 Check if your IP is in this range
192.16.156.0/22 1,024 Check if your IP is in this range
192.16.160.0/22 1,024 Check if your IP is in this range
192.65.192.0/22 1,024 Check if your IP is in this range
192.91.236.0/22 1,024 Check if your IP is in this range
192.91.240.0/22 1,024 Check if your IP is in this range
192.16.164.0/23 512 Check if your IP is in this range
192.65.196.0/23 512 Check if your IP is in this range
192.91.244.0/23 512 Check if your IP is in this range
192.16.155.0/24 256 Check if your IP is in this range
192.16.166.0/24 256 Check if your IP is in this range
192.65.183.0/24 256 Check if your IP is in this range
192.91.246.0/24 256 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.

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