A system-independent network address manipulation library for Python 2.7 and 3.5+. (Python 2.7, 3.5 and 3.6 support is deprecated).

Provides support for:

Layer 3 addresses

• IPv4 and IPv6 addresses, subnets, masks, prefixes
• iterating, slicing, sorting, summarizing and classifying IP networks
• dealing with various ranges formats (CIDR, arbitrary ranges and globs, nmap)
• set based operations (unions, intersections etc) over IP addresses and subnets
• parsing a large variety of different formats and notations
• looking up IANA IP block information
• generating DNS reverse lookups
• supernetting and subnetting

Layer 2 addresses

• representation and manipulation MAC addresses and EUI-64 identifiers
• looking up IEEE organisational information (OUI, IAB)
• generating derived IPv6 addresses

Starting with Python 3.3 there's an ipaddress module in the Python standard library which provides layer 3 address manipulation capabilities overlapping netaddr.

Latest documentation https://netaddr.readthedocs.io/en/latest/

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