'Generate an instance context for the instance, the context is capable of
performing various actions.  All instance actions are proxied to the context
:returns: IpAddressContext for this IpAddressInstance
:rtype: twilio.rest.api.v2010.account.sip.ip_access_control_list.ip_address.IpAddressContext'

@property
def _proxy(self):

    if (self._context is None):
        self._context = IpAddressContext(self._version, account_sid=self._solution['account_sid'], ip_access_control_list_sid=self._solution['ip_access_control_list_sid'], sid=self._solution['sid'])
    return self._context
