What this tells me is that there is nobody with a clue with enable on the routers at omantel. Basic filtering and verification of the prefix announcements they were receiving from Iran would have prevented this.
The Iranians are just doing what any autocratic regime will do, so their actions should he unsurprising and expected well in advance.
just as unsurprisingly, bishop fox points the blame at the BGP protocol instead of at the netops at omantel.