A young Tasmanian man who re-offended by viewing child exploitation material several days after being released from jail will spend up to five years behind bars.
Aidan Jack Binnie, 22, left prison on May 18 last year and went to live with his mother after serving 17 months' jail for possessing more than 5000 child abuse files.
Five days later he re-offended, accessing anime abuse material before later joining an online chatroom asking "what baby stuff you got?".
Binnie transmitted abuse material under the username "SickTwistedMum" and accessed "depraved" material involving infants and toddlers.
Binnie, whose home was raided by Australian Federal Police in August last year, told investigators he didn't have anyone to talk to after leaving prison apart from people who were "doing that".
He pleaded guilty to several charges including accessing and possessing child exploitation material and failing to comply with sex offender register reporting guidelines.
Binnie, who was diagnosed with autism in his teens, had been exposed to child abuse material early in life by his father and became obsessed with it.
Justice Tamara Jago rejected reports from a medical specialist who said Binnie showed no sexual interest in children outside his offending.
Justice Jago said Binnie actively sought to join groups to access abuse material.
"It was not a passing endeavour," she told the Supreme Court of Tasmania in Hobart on Friday.
Binnie's sentence was discounted because of his early guilty plea and co-operation with police.
The judge noted Binnie had a "difficult upbringing" and his autism would make him more vulnerable in prison.
He was given a cumulative five-year jail sentence with a non-parole period of two years and six months and was ordered to be placed on the sex offender register for a decade following his release.
