The detention of Allen comes the same week that serial sex offender Michael Mc Garry is due to appear in the Supreme Court, where it will be argued whether or not to keep him in custody after he pleaded guilty to breaching a condition of his release order.
The notorious sex monster was arrested less than 10 days after his August 17 release by Supreme Court Justice Lindy Jenkins, who subjected him to the unprecedented supervision order containing 52 strict conditions.
Justice Blaxell said that downloading and collecting images was a trigger for re-offending.
"In these circumstances if the accused is not kept in custody he could be a risk," he said.
Created under the Dangerous Sex Offenders Act, Allens release order stipulated he was not allowed to collect or obtain images of children.
The Supreme Court was told that he collected images of children, which were not pornographic, from the internet and by cutting out photographs from magazines and newspapers.
See also Follow developments in the investigation into this internet-based child pornography ring.
This includes curfews, electronic monitoring devices, alcohol and drug bans and exclusions from certain areas if a person remains a threat.
But Collingwoods victim has demanded to know why a person with a history of violent and sexual crimes, dating back to 1984, was allowed to walk free from a Western Australian jail in August last year.
She believes a person deemed dangerous enough to be monitored should never be released into the community.
Sarah (not her real name) was raped in January after meeting Collingwood online two months earlier.