Речь об этом: "Workshop participants, supported by industry experts, reviewed criminal investigations which failed because of CGN. Furthermore, existing technical and policy solutions were discussed that could be adopted at European level such as a voluntary code of conduct for Internet access providers to reduce the use of CGN and the number of subscribers behind each IP address. Other solutions reviewed were the possibility for electronic content providers to log source port numbers, or the possibility to adopt regulations for the internet industry to increase IPv6 deployment."
Речь об этом: "Workshop participants, supported by industry experts, reviewed criminal investigations which failed because of CGN. Furthermore, existing technical and policy solutions were discussed that could be adopted at European level such as a voluntary code of conduct for Internet access providers to reduce the use of CGN and the number of subscribers behind each IP address. Other solutions reviewed were the possibility for electronic content providers to log source port numbers, or the possibility to adopt regulations for the internet industry to increase IPv6 deployment."
https://www.europol.europa.eu/media-press/newsroom/news/are-you-sharing-same-ip-address-criminal-law-enforcement-call-for-end-of-carrier-grade-nat-cgn-to-increase-accountability-online