Addressing Technologies
We provide churches with affordable, high-quality invitations to help them reach out to their communities.
http://www.addressingtechnologies.com/

Email Addressing FAQ
The user+box@host addressing FAQ. A discussion of what exactly is permissible and verifiable in an e-mail address.
http://faqs.org/faqs/mail/addressing/

Subnet Addressing
Very clear explanation on the issue of IP addressing and subnetting
http://www.networkcomputing.com/unixworld/tutorial/001.html

FBM Limited
Graafinen teollisuus
http://www.fbmltd.com/

RFC 0730
Extensible Field Addressing. J. Postel. May 1977.
http://tools.ietf.org/html/rfc730

PHP 4 ALL
A collection of tutorials addressing common but simple PHP tasks.
http://php4all.org/nav-tutorials-seecat-true-cat-PHP.html

DynamIP.com
DynamIP - Dynamic IP Address for your PC
http://www.dynamip.com/

RFC 0932
Subnetwork Addressing Scheme. D.D. Clark. January 1985.
http://tools.ietf.org/html/rfc932

RFC 2770
GLOP Addressing in 233/8. D. Meyer, P. Lothberg. February 2000.
http://tools.ietf.org/html/rfc2770

RFC 3180
GLOP Addressing in 233/8. D. Meyer, P. Lothberg. September 2001.
http://tools.ietf.org/html/rfc3180