1213486160 or 1347703880
As a public service, I would like to remind everyone that 1213486160 == 0x48545450 is 'HTTP' as a 32-bit integer on a big-endian machine using ASCII or UTF-8. 1347703880 = 0x50545448 would be 'HTTP' in little-endian 32-bit format. Neither is likely to be a packet length.