#' Use ipinfo.io/ip to retrieve public IP address
#'
#' @importFrom httr GET content
#' @export
ipinfo <- function() {
req <- httr::GET("http://ipinfo.io/ip")
res <- trimws.int(httr::content(req, as="text", encoding="UTF-8"))
ret <- list(ipv4=ipv4(res), ipv6=ipv6(res))
class(ret) <- c("myip", class(ret))
return(ret)
}
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