Starlink tells the world it has over 150 sextillion IPv6s
Briefly

Starlink tells the world it has over 150 sextillion IPv6s
"Madory noted recent changes to Starlink's file, which over the years has described an increasing quantity of IP address holdings. According to his analysis, in April 2022 Starlink's geolocation file mentioned 592 /24 IPv4 blocks - each of which covers 256 IP addresses. As of July, Elon Musk's space ISP had 1,379 /24s, plus hundreds of smaller blocks, and therefore over 350,000 IPv4 addresses to play with."
"Its IPv6 holdings are, as you would expect, vastly larger. The entire IPv6 number space has 2 128 addresses - over 340 undecillion addresses. According to Madory, in April 2022 Starlink's file indicated it used 61 /36 blocks, each of which contains 2 92 addresses - or about 4.95 sextillion addresses. As of July this year, Starlink's geolocation file mentioned 383 /40 blocks (2 88 addresses, or around 390 quintillion apiece) plus 24 /41s (2 87 each or 154 quintillion) and 205 /42s (2 86 or 77 quintillion)."
Starlink's geolocation file listed 592 /24 IPv4 blocks in April 2022 and 1,379 /24s by July, plus hundreds of smaller blocks, totaling over 350,000 IPv4 addresses. IPv6 allocations reported include many very large prefixes (/36, /40, /41, /42) that represent astronomically large address counts, yielding totals measured in sextillions. The reported IPv6 quantity is colossal but far exceeds practical usage and routing practicality. Some geolocation entries contain oddities and inconsistencies across regions. The sheer size of the allocated address space does not imply full operational use of every address.
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