じゃがすくりぷとはまず%-デコードするのかしら
$ node
Welcome to Node.js v20.20.1.
> URL.parse("http://%3192.168.0.1/")
URL {
href: 'http://192.168.0.1/',
origin: 'http://192.168.0.1',
protocol: 'http:',
username: '',
password: '',
host: '192.168.0.1',
hostname: '192.168.0.1',
port: '',
pathname: '/',
search: '',
searchParams: URLSearchParams {},
hash: ''
}