R Under development (unstable) (2023-12-09 r85665 ucrt) -- "Unsuffered Consequences"
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> library(getip)
> 
> ### We can't know the IPs of CRAN machines ahead of time (or anywhere else this
> ### may be checked), so we only ensure that evaluation occurred without error.
> getip("internal")
[1] "129.217.207.203"
> 
> proc.time()
   user  system elapsed 
   0.12    0.03    0.14