Useful code for Django Debug Toolbar. it turns the INTERNAL_IPS list into a list of pattern matches. Wildcards are allowed for whatever specificity you want. Cleanedup form original inspiration: http://dancarroll.org/blog/2011/01/debugging-django-dev-server/

allow_ips.py

# Insert this into settings.py, or move and adapt to wherever you need.
if DEBUG:
    from fnmatch import fnmatch
    class pattern_list(list):
        def __contains__(self, key):
            for pattern in self:
                if fnmatch(key, pattern): return True
            return False

    INTERNAL_IPS = pattern_list(['127.0.0.1', '192.168.*.*'])
else:
    INTERNAL_IPS = ('127.0.0.1', )