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It's easier to remember the IPs of good DNSes, too.
(lemmy.sdf.org)
Today in our newest take on "older technology is better": why NAT rules!
Hm, didn't the GP already address (pun unintended!) the 128-bit part?
He/she said the internet is reaching upper limits of 64 bits apparently and gave a value of 61 bits in the linked comment.