def iscontiguous(self):
        cidrs = self.iter_cidrs()
        if len(cidrs) > 1:
            previous = cidrs[0][0]
            for cidr in cidrs:
                if cidr[0] != previous:
                    return False
                previous = cidr[-1] + 1
        return True
Associate an :class:`.Authority` instance with an "headless"
dataset/ETHPy150Open drkjam/netaddr/netaddr/ip/sets.py/IPSet.iscontiguous--crossover with--dataset/ETHPy150Open upconsulting/IsisCB/isiscb/zotero/admin.py/ImportAccessionAdmin.set_authority_for_relation