Discussion or remedies for illegal, illicit, or abused drugs such as heroin, cocaine, or other street drugs. Information on “legal highs”: glue sniffing, misuse of prescription drugs or abuse of other legal substances.

Sites that provide information on, promote, or support the sale of alcoholic beverages or tobacco products and associated paraphernalia.

These are URLs, typically IP addresses, which are determined to be part of a Bot network, from which network attacks are launched. Attacks may include SPAM messages, DOS, SQL injections, proxy jacking, and other unsolicited contacts.

Delivery of content and data for third parties, including ads, media, files, images, and video.

General computer and Internet sites, technical information. SaaS sites and other URLs that deliver internet services.

Confirmed SPAM sources.

Dating websites focused on establishing personal relationships.

Domains that generate content dynamically based on arguments to their URL or other information (like geo-location) on the incoming web request.

Motion pictures, videos, television, music and programming guides, books, comics, movie theatres, galleries, artists or reviews on entertainment.

Banking services and other types of financial information, such as loans, accountancy, actuaries, banks, mortgages, and general insurance companies. Does not include sites that offer market information, brokerage or trading services.

Playing or downloading, video games, computer games, electronic games, tips, and advice on games or how to obtain cheat codes. Also includes sites dedicated to selling board games as well as journals and magazines dedicated to game playing.

Vomit and other bodily functions, bloody clothing, etc.

Sites that contain content and language in support of hate crimes and racism.

Home issues and products, including maintenance, home safety, decor, cooking, gardening, home electronics, design, etc.

Criminal activity, how not to get caught, copyright and intellectual property violations, etc.

Promotion and facilitation of securities trading and management of investment assets. Also includes information on financial investment strategies, quotes, and news.

Web sites that aggregate a broader set of Internet content and topics, and which typically serve as the starting point for an end user.

Downloads and discussion of software agents that track a user's keystrokes or monitor their web surfing habits.

Legal websites, law firms, discussions and analysis of legal issues.

Malicious content including executables, drive-by infection sites, malicious scripts, viruses, trojans, and code.

Information on military branches, armed services, and military history.

Music sales, distribution, streaming, information on musical groups and performances, lyrics, and the music business.

Nude or seminude depictions of the human body. These depictions are not necessarily sexual in intent or effect but may include sites containing nude paintings or photo galleries of artistic nature.

Online storage and posting of files, music, pictures, and other data.

Peer to peer clients and access that includes torrents, music download and programs.

Sites that pay users in the form of cash or prizes, for clicking on or reading specific links, email, or web pages.

Politics, philosophy, discussions, promotion of a particular viewpoint or stance in order to further a cause.

RFC 1918, Address Allocation for Private Intranets.

Tasteless humor, “get rich quick” sites, and sites that manipulate the user experience or client in some unusual, unexpected, or suspicious manner.

Information, associations, forums and publications on recreational pastimes such as collecting, kit airplanes, outdoor activities such as hiking, camping, rock climbing, specific arts, craft, or techniques; animal and pet related information, including breed-specifics, training, shows and humane societies.

Conventional or unconventional religious or quasi-religious subjects as well as churches, synagogues, or other houses of worship.

Information on reproduction, sexual development, safe sex practices, sexually transmitted diseases, sexuality, birth control, sexual development, and contraceptives.

Department stores, retail stores, company catalogs and other sites that allow online consumer or business shopping to purchase goods and services.

A variety of topics, groups, and associations relevant to the general populace, broad issues that impact a variety of people, including safety, children, societies, and philanthropic groups.

Team or conference web sites, international, national, college, professional scores and schedules; sports-related online magazines or newsletters, fantasy sports and virtual sports leagues.

Sales, delivery, or streaming of audio or video content, including sites that provide downloads for such viewers.

Distance education, trade schools, online courses, vocational training, software training, and skills training.

Airlines and flight booking agencies. Travel planning, reservations, vehicle rentals, car rentals, descriptions of travel destinations, promotions for hotels or casinos.

Unconfirmed SPAM sources.

Sales, reviews, descriptions of weapons such as guns, knives, martial arts accessories.

Sites offering web-based email and email clients.