http://leakfindrg5s2zcwwdmxlvz6oefz6hdwlkckh4eir4huqcpjsefxkead.onion/HackInstagram
But since some users change their username frequently to protect their security,
You can use the "If Username changed?" link in the output table to make sure the information is correct and whether or not the username has changed. Keep in mind that Instagram UserID of everybody is always fixed and does not change with the username's change !!