<Table> Indian Premier League (IPL) <Tr> <Td_colspan="2"> Official IPL logo </Td> </Tr> <Tr> <Th> Countries </Th> <Td> India </Td> </Tr> <Tr> <Th> Administrator </Th> <Td> BCCI </Td> </Tr> <Tr> <Th> Format </Th> <Td> Twenty20 </Td> </Tr> <Tr> <Th> First tournament </Th> <Td> 2008 </Td> </Tr> <Tr> <Th> Last tournament </Th> <Td> 2017 </Td> </Tr> <Tr> <Th> Next tournament </Th> <Td> 2018 </Td> </Tr> <Tr> <Th> Tournament format </Th> <Td> Double round - robin league and Playoffs </Td> </Tr> <Tr> <Th> Number of teams </Th> <Td> 8 </Td> </Tr> <Tr> <Th> Current champion </Th> <Td> Mumbai Indians (3rd title) </Td> </Tr> <Tr> <Th> Most successful </Th> <Td> Mumbai Indians (3 titles) </Td> </Tr> <Tr> <Th> Most runs </Th> <Td> Suresh Raina (4658) </Td> </Tr> <Tr> <Th> Most wickets </Th> <Td> Lasith Malinga (154) </Td> </Tr> <Tr> <Th> TV </Th> <Td> List of broadcasters </Td> </Tr> <Tr> <Th> Website </Th> <Td> iplt20.com </Td> </Tr> <Tr> <Td_colspan="2"> 2018 IPL season </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Official IPL logo </Td> </Tr>

How many teams are there in vivo ipl