Your ISP already moved on, but did your firewall?

Abstract: Fast IPv4 scanning significantly improves network measurement and security research. Nevertheless, it is infeasible to perform brute-force scanning of the IPv6 address space. Alternatively, ...

Abstract: Existing on-link IPv6 address scanning technologies based on IPv6-only information rely on protocol features such as ICMPv6, MLD, and other protocol features to induce responses. However, ...