Number of hosts connected to the Internet, from 1981 through 1994

This list shows the number of computers hooked to the Internet via the National Science Foundation's Internet backbone, the NSFNet. More detailed data is available via anonymous FTP from ftp.nisc.sri.com in the /pub/zone directory.
  1. Aug. 1981- -213 hosts
  2. Aug. 1983- -562
  3. Oct. 1985- -1,961
  4. Dec. 1987- -28,174
  5. Oct. 1989- -159,000
  6. Oct. 1990- -313,000
  7. Oct. 1991- -617,000
  8. Oct. 1992- -1,136,000
  9. Oct. 1993- -2,056,000
  10. Jan. 1994- -2,217,000

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Copyright © 1994, 1995, 2004 by Kevin Savetz. The information in this book was collected in 1994-1995 and has not been updated since.