“Iran is devouring one nation after the other,” Netanyahu said at Chatham House, the Royal Institute of International Affairs think-tank in London.
“The good news is that the other guys are getting together with Israel as never before. It is something that I would have never expected in my lifetime,” Netanyahu said.
He said Israel was working “very hard” to establish an effective alliance with “the modern Sunni states” to condemn and counter Iranian aggression.
“I think that actually has a great promise of peace” for the region, he said.
“They want to leave their army, their airbases and fighter aircraft within seconds of Israel and we are not going to let that happen. We do not say that lightly. We mean what we say and we back it with action.”
The United States has sought to promote links between Israel and the Arab world, with President Donald Trump’s administration hoping to leverage regional interests to reach an Israeli-Palestinian peace deal.
The agreement “basically says within X years of time, not much — and times goes quickly — you will have unlimited capacity to enrich uranium,” he said.
He demanded tough sanctions be put in place and inspections of Iranian military sites.
Turning to relations with Washington, he said ties were stronger since the election of Trump.
He said he had “very strong” disagreements with Trump’s predecessor Barack Obama, saying the former US president saw Iran as part of the solution to problems in the Middle East, while he saw it as the main problem.
Netanyahu said he thought Trump saw Iran as the problem.
“And that a strategical and important shift that we appreciate,” he said.
Netanyahu is in Britain for events marking the centenary of the 1917 Balfour Declaration, the British statement which helped lead to the creation of the state of Israel.
On the Palestinian issue, Netanyahu indicated the Palestinians could not have full sovereignty in any future state: “It is time we reassess the model of sovereignty and whether that is applicable everywhere in the world,” he said.
Israel, he said, was ready to “trade land for peace, but not land for rockets.” The Palestinians could have the power to govern themselves, he summarized, but not threaten others.