Class IpRange

Args:
    start: Ip address in dotted quad format or CIDR notation or tuple
        of ip addresses in dotted quad format
    end: Ip address in dotted quad format or None

Overrides: object.__init__

>>> print(IpRange('127.0.0.1'))
('127.0.0.1', '127.0.0.1')

>>> print(IpRange('10/8'))
('10.0.0.0', '10.255.255.255')

>>> print(IpRange('127.0.0.255', '127.0.0.0'))
('127.0.0.0', '127.0.0.255')

Overrides: object.__repr__

Implements membership test operators `in` and `not in` for the address
range.


>>> r = IpRange('127.0.0.1', '127.255.255.255')
>>> '127.127.127.127' in r
True

>>> '10.0.0.1' in r
False

>>> 2130706433 in r
True

>>> 'invalid' in r
Traceback (most recent call last):
    ...
TypeError: expected dotted-quad ip address or 32-bit integer


Args:
    item: Dotted-quad ip address
Returns:
    True if address is in range, False otherwise

Return an iterator over the range.

>>> iter = IpRange('127/31').__iter__()
>>> next(iter)
'127.0.0.0'
>>> next(iter)
'127.0.0.1'
>>> next(iter)
Traceback (most recent call last):
    ...
StopIteration