First of all, he’s more precise with his numbers: 340,282,366,920,938,463,463,374,607,431,768,211,456
And he shows us how to say it:
340- undecillion
282- decillion
366- nonillion
920- octillion
938- septillion
463- sextillion
463- quintillion
374- quadrillion
607- trillion
431- billion
768- million
211- thousand
456
via IPv6 addresses – how many is that in numbers? – Our Latest Discovery.