A serial sex offender allegedly attacked court officers and swore at the judge when he was sentenced to up to 105 years in prison for a series of home break-ins and sexual assaults.

Suffolk County Judge Katie Rayburn on Tuesday sentenced 60-year-old Ronald Brown to 72 to 105 years in prison for the 2016 South End rapes and break-ins.

A jury convicted Brown of 21 charges, including: aggravated rape, kidnapping, witness intimidation, photographing an unsuspecting nude person, and breaking and entering.

Brown, who has been held without bail since his October 2016 arrest, reportedly refused to stand when the judge handed down her sentence on Tuesday.

“Brown yelled an expletive at the judge and attacked the court officers who tried to bring him out of the courtroom,” the Suffolk DA’s Office said in a statement.

Brown committed the 2016 crimes only months after his release from a 25- to 30-year state prison sentence for a similar rape in 1986.

That sentence also included crimes Brown committed while in custody, including assaulting a correctional officer and rushing the jury box during the trial.

In one of the 2016 crimes, Brown broke into a basement apartment on Clarendon Street — where he blindfolded, bound and gagged the two female residents, stole their electronic devices and other property, and demanded the passwords to the devices.

He forcibly raped one woman, forced her to shower to wash away potential evidence, and told her he hated Chinese people, in reference to her heritage. He touched the breasts of the other woman and threatened to kill both if they told anyone.

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The court on Tuesday heard victim impact statements from four of Brown’s victims.

One of Brown’s victims referred to his “menacing legacy.”

“We won’t feel truly safe again,” the victim said. “No wrought iron bars, no upgraded ADP, no glancing into the window well each time I return home, none of it will replace the feeling of wellbeing that Ronald Brown took from me that night.

“This is his menacing legacy,” the victim added. “Fear, suspicion and rage. He is a real and present danger to society. He has illustrated no success at rehabilitation. He has taken no accountability whatsoever and shown not a hint of remorse. He should under no circumstances be allowed the liberty to terrorize another human being, community or society ever again.”

All 12 members of the jury attended the sentencing.

“It is very rare that we have all members of the jury present for sentencing,” Suffolk DA Kevin Hayden said. “I think the reason is clear—they were touched by the bravery of the victims and profoundly moved by what they endured at the hands of Ronald Brown. I commend the survivors for their resilience during this difficult, trying process, from their courage to come forward to their brave testimony at trial and their poignant statements today.”