Every extension,
A to Z.
Country codes, new generic extensions, .pk second levels and brand TLDs. Each one has a page with the price, who can register it, transfer rules and FAQs.
.ba is the country code domain of Bosnia and Herzegovina.
.bb is the country code domain of Barbados.
The .bd extension belongs to Bangladesh and is managed by BTCL.
.be is the country code domain of Belgium.
.bf is the country code domain of Burkina Faso.
.bg is the country code domain of Bulgaria.
.bh is the official internet extension for Bahrain.
.bi is the official internet extension for Burundi.
.bj is the official internet extension for Benin.
The .bm extension belongs to Bermuda and is managed by Registrar General of Bermuda (BermudaNIC).
.bn is the official internet extension for Brunei.
.bo is the official internet extension for Bolivia.
The .br extension belongs to Brazil and is managed by Registro.br (NIC.br).
.bs is the official internet extension for Bahamas.
.bt is the country code domain of Bhutan.
The .bv extension belongs to Bouvet Island and is managed by Norid.
The .bw extension belongs to Botswana and is managed by BOCRA.
.by is the country code domain of Belarus.
The .bz extension belongs to Belize and is managed by University of Belize.