# Method NetUtils.IpRangeLookup()->create()

Method create

  `NetUtils.IpRangeLookup NetUtils.IpRangeLookup(`mapping`(`mixed`:`array`(`string`)) `ranges`, `int`|`void` `_debug`)`

Description

  Creates a new IpRangeLookup object and initialises the IP range table. Errors will be thrown if `ranges` contains invalid data.

Parameter `ranges`

  A mapping from information data to arrays of IP ranges.

  Each range can be a single addresses ("192.168.1.1"), a range of addresses ("192.168.1.1-192.168.1.5") or be written in CIDR notation ("192.168.1.0/24").