bookmarklet extracts the subnets from ipinfo.io pages

ipinfo-asn.js

/*
javascript:(()=>{let n,q,f;n=(i)=>{return parseInt(i.replace(',',''));};q=(s,d=document)=>{return d.querySelectorAll(s);};f=(v,k,l)=>{let r=q('td',v);if(r.length>2){document.write(`${r[0].innerText}, ${n(r[2].innerText)}<br>`);}};q('#block-table tr').forEach(f);})();
*/

let n, q, f;
n = (i)=>{return parseInt(i.replace(',',''));};
q = (s,d=document)=>{return d.querySelectorAll(s);};
f = (v,k,l) => {
  let r = q('td', v);
  if (r.length > 2) {
    document.write(`${r[0].innerText}, ${n(r[2].innerText)}<br>`);
  }
};
q('#block-table tr').forEach(f);