'Phantom' connections?

Morning all, does anyone know what these informix connections are? we counted 131 of them this morning. brett INFORMIX-OnLine Version 7.24.UC6 -- On-Line -- Up 04:22:03 -- 190464 Kbytes Userthreads address flags sessid user tty wait tout locks nreads nwrites4003a014 ---P--D 1 informix - 0 0 0 82 192 4003a454 ---P--F 0 informix - 0 0 0 0 396 4003a894 ---P--F 0 informix - 0 0 0 0 0 4003acd4 ---P--F 0 informix - 0 0 0 0 0 4003b114 ---P--F 0 informix - 0 0 0 0 40 4003b554 ---P--F 0 informix - 0 0 0 0 131 4003b994 ---P--F 0 informix - 0 0 0 0 313 4003bdd4 ---P--F 0 informix - 0 0 0 0 150 4003c214 ---P--F 0 informix - 0 0 0 0 579 4003c654 ---P--F 0 informix - 0 0 0 0 0 4003ca94 ---P--F 0 informix - 0 0 0 0 0 4003ced4 ---P--F 0 informix - 0 0 0 0 0 4003d314 ---P--F 0 informix - 0 0 0 0 0 4003d754 ---P--F 0 informix - 0 0 0 0 0 4003db94 ---P--F 0 informix - 0 0 0 0 0 4003dfd4 ---P--F 0 informix - 0 0 0 0 0 4003e414 ---P--F 0 informix - 0 0 0 0 0 4003e854 ---P--F 0 informix - 0 0 0 0 0 4003ec94 ---P--F 0 informix - 0 0 0 0 0