Internet Growth: Raw Data

The following data is from Network Wizards. The columns in the following chart are:

Hosts: This is the number of machine addresses on the net as reported by the nameservers. Many of these addresses may not have a machine which responds to them. See the "Replied to Ping" column.
Domains: These are domains such as "mit.edu" or "internic.net". Each domain is usually associated with some organization, be it a university, company or other group.
Replied to Ping: This is an estimated number of machines that are actually connected to the net and responding. This estimate was made by pinging 1% of the hosts and counting repsonses. 'Ping' is a tool to determine if a machine is up.

The raw data from Network Wizards follows:

Date	Hosts	Domains	Replied to Ping
Jan 96	9.5 million	240,000	1.7 million
Jul 95	6.6 million	120,000	1.1 million
Jan 95	4.9 million	71,000	1.0 million
Oct 94	3.9 million	56,000	1.0 million
Jul 94	3.2 million	46,000	0.7 million
Jan 94	2.2 million	30,000	0.6 million
Oct 93	2.1 million	28,000	NA
Jul 93	1.8 million	26,000	0.5 million
Apr 93	1.5 million	22,000	0.4 million
Jan 93	1.3 million	21,000	NA