Revelation of John 12:9

9And athe great dragon was thrown down, bthat ancient serpent, who is called the devil and Satan, cthe deceiver of the whole worlddhe was thrown down to the earth, and his angels were thrown down with him.

Revelation of John 20:2-3

2And he seized ethe dragon, that ancient serpent, who is the devil and Satan, and fbound him for a thousand years, 3and threw him into gthe pit, and shut it and hsealed it over him, so that ihe might not deceive the nations any longer, until the thousand years were ended. After that he must be released for a little while.

Revelation of John 20:7-8

The Defeat of Satan

7And when the thousand years are ended, jSatan will be released from his prison 8and will come out kto deceive the nations that are at the four corners of the earth, lGog and Magog, mto gather them for battle; their number is like the sand of the sea.
Copyright information for ESV