$ rpki-client -vvf rpki.ripe.net/repository/DEFAULT/74/a9352e-9a3a-49aa-ad77-7be6eb6bce87/1/npWhGdnBpdbj8-Ifb6hj2HouSw0.mft.html
File:                     npWhGdnBpdbj8-Ifb6hj2HouSw0.mft.html (raw, json)
Hash identifier:          GiquZrUuB02nhprDdy1VRNllEPiLNBC4hHq2X4S7BCQ=
rpki.ripe.net/repository/DEFAULT/74/a9352e-9a3a-49aa-ad77-7be6eb6bce87/1/npWhGdnBpdbj8-Ifb6hj2HouSw0.mft.html: unsupported file type
Validation:               N/A