AS1103 is an AS number assigned to SURFNET-NL SURF B.V.. Country or region: Netherlands.

OrganizationSURFNET-NL SURF B.V.
CountryNetherlands (NL)
IPv4 addresses7,191,296
IPv4 ranges124
IPv6 ranges28
RegistrationLook up the holder and the abuse contact in IP Lookup

AS numbers: Netherlands

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
145.144.0.0/12 1,048,576 Check if your IP is in this range
145.160.0.0/12 1,048,576 Check if your IP is in this range
145.88.0.0/14 262,144 Check if your IP is in this range
145.120.0.0/14 262,144 Check if your IP is in this range
145.140.0.0/14 262,144 Check if your IP is in this range
145.2.0.0/15 131,072 Check if your IP is in this range
145.28.0.0/15 131,072 Check if your IP is in this range
145.38.0.0/15 131,072 Check if your IP is in this range
145.48.0.0/15 131,072 Check if your IP is in this range
145.74.0.0/15 131,072 Check if your IP is in this range
145.92.0.0/15 131,072 Check if your IP is in this range
145.124.0.0/15 131,072 Check if your IP is in this range
145.136.0.0/15 131,072 Check if your IP is in this range
129.125.0.0/16 65,536 Check if your IP is in this range
130.37.0.0/16 65,536 Check if your IP is in this range
131.174.0.0/16 65,536 Check if your IP is in this range
131.211.0.0/16 65,536 Check if your IP is in this range
131.224.0.0/16 65,536 Check if your IP is in this range
132.229.0.0/16 65,536 Check if your IP is in this range
134.221.0.0/16 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.

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