AV4 was originally known as "AV4" or "AV4.us" — a website that gained infamy for hosting extreme pornography, including bestiality, violent content, and later confirmed child sexual abuse material (CSAM) . It was not a mainstream adult site but rather a deep-web style hub for illegal and disturbing media.
Used for previous hosting and content delivery. Amazon Technologies: Utilized as far back as 2020. Core Functions and Use Cases av4.us domain
When he was older, he wrote a longer piece under av4.us about why he had never registered a trademark: "Names are not objects to be owned for profit," it read. "They are invitations." The piece was shared by a handful of people who still believed in unslicked corners of the web. He got an email from a woman who said that, after losing her brother, she came to av4.us the week of his funeral because it felt less formal than every other condolence page. She thanked him for keeping it small and for leaving it unpolished. AV4 was originally known as "AV4" or "AV4
The av4.us domain functions as a content aggregator and hosting service. Unlike mainstream social media platforms, it typically features a more decentralized or "underground" feel, focusing on Japanese media, anime-related content, and adult-oriented material. Amazon Technologies: Utilized as far back as 2020
Currently registered through NameCheap, Inc., the domain is slated to remain active until at least April 2026. Public records indicate that the current registrant is , located in Miami, Florida. Historically, the domain has been held by various individuals and entities, including Masaki Hori and Tom Kobayashi during its early years.
Initially, the av4.us domain was used as a platform for sharing adult content, specifically videos. The site gained popularity around 2005-2006, attracting a sizable user base. During this period, the domain was associated with a video sharing platform that allowed users to upload, share, and view adult content.