ISC Domain Survey: Number of Internet Hosts

Date	Hosts	Adjusted Counts	Source
08/1981	213	N/A	host table
05/1982	235	N/A
08/1983	562	N/A
10/1984	1,024	N/A
10/1985	1,961	N/A
02/1986	2,308	N/A
11/1986	5,089	N/A
12/1987	28,174	N/A	old domain survey
07/1988	33,000	N/A
10/1988	56,000	N/A
01/1989	80,000	N/A
07/1989	130,000	N/A
10/1989	159,000	N/A
10/1990	313,000	N/A
01/1991	376,000	N/A
07/1991	535,000	N/A
10/1991	617,000	N/A
01/1992	727,000	N/A
04/1992	890,000	N/A
07/1992	992,000	N/A
10/1992	1,136,000	N/A
01/1993	1,313,000	N/A
04/1993	1,486,000	N/A
07/1993	1,776,000	N/A
10/1993	2,056,000	N/A
01/1994	2,217,000	N/A
07/1994	3,212,000	N/A
10/1994	3,864,000	N/A
01/1995	4,852,000	5,846,000
07/1995	6,642,000	8,200,000
01/1996	9,472,000	14,352,000
07/1996	12,881,000	16,729,000
01/1997	16,146,000	21,819,000
07/1997	19,540,000	26,053,000
01/1998	29,670,000	N/A	new domain survey
07/1998	36.739,000	N/A
01/1999	43,230,000	N/A
07/1999	56,218,000	N/A
01/2000	72,398,092	N/A
07/2000	93,047,785	N/A
01/2001	109,574,429	N/A
07/2001	125,888,197	N/A
01/2002	147,344,723	N/A
07/2002	162,128,493	N/A
01/2003	171,638,297	N/A
01/2004	233,101,481	N/A
07/2004	285,139,107	N/A
01/2005	317,646,084	N/A
07/2005	353,284,187	N/A
01/2006	394,991,609	N/A
07/2006	439,286,364	N/A
01/2007	433,193,199	N/A
07/2007	489,774,269	N/A
01/2008	541,677,360	N/A
07/2008	570,937,778	N/A