ipaddress should support fast IP lookups

[b1b05dab-e0a6-4b6c-a3a6-99d4ef8f629e]

BPO	32081
Nosy	@isidentical

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields: ```python assignee = None closed_at = None created_at = labels = ['type-feature', 'library'] title = 'ipaddress should support fast IP lookups' updated_at = user = 'https://bugs.python.org/AttilaNagy' ``` bugs.python.org fields: ```python activity = actor = 'BTaskaya' assignee = 'none' closed = False closed_date = None closer = None components = ['Library (Lib)'] creation = creator = 'Attila Nagy' dependencies = [] files = [] hgrepos = [] issue_num = 32081 keywords = [] message_count = 1.0 messages = ['306535'] nosy_count = 3.0 nosy_names = ['pmoody', 'Attila Nagy', 'BTaskaya'] pr_nums = [] priority = 'normal' resolution = None stage = None status = 'open' superseder = None type = 'enhancement' url = 'https://bugs.python.org/issue32081' versions = [] ```

[b1b05dab-e0a6-4b6c-a3a6-99d4ef8f629e]

It would be nice if ipaddress could support fast IP lookups, like this: https://github.com/jsommers/pytricia