They are not suggesting centralization. They are suggesting bcp38 [0] This comes up quite often and people argue back and forth why they (the ISP's) can't or

They are not suggesting centralization. They are suggesting bcp38 [0] This comes up quite often and people argue back and forth why they (the ISP's) can't or won't do this. Bcp38 simply requires ISP's to egress filter out IP traffic that does not belong to them. [0] - https://tools.ietf.org/html/bcp38 https://tools.ietf.org/html/bcp38