Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 9323724 web servers by the ISPs' networks over which their traffic flows, the report provides a view of the top ISPs on the Internet.

ISP Domain Name	Feb 2003 Count*	Feb 2003 %	Jan 2003 Count*	Jan 2003 %	Growth %
verio.net	408,473	4.38	181,799	1.98	121.41
uu.net	384,827	4.13	332,407	3.62	14.08
cwie.net	224,263	2.41	626,159	6.81	-64.71
schlund.de	217,772	2.34	34,395	0.37	523.93
sprintlink.net	151,418	1.62	114,847	1.25	29.92
lacnic.net	150,892	1.62	138,828	1.51	7.11
level3.net	142,862	1.53	141,904	1.54	-0.79
above.net	130,356	1.40	85,505	0.93	50.24
exodus.net	129,690	1.39	55,397	0.60	130.70
ns.dns.br	118,282	1.27	108,223	1.18	7.70
att.net	109,022	1.17	90,182	0.98	19.13
hosting4u.net	98,631	1.06	4,758	0.05	1942.78
interland.net	93,732	1.01	57,445	0.63	60.79
qwest.net	93,547	1.00	80,186	0.87	14.96
xlink.net	93,176	1.00	86,789	0.94	5.80
pnap.net	87,666	0.94	79,545	0.87	8.61
dn.net	86,447	0.93	44,439	0.48	91.70
rackspace.com	85,298	0.91	35,084	0.38	139.59
ev1.net	84,079	0.90	42,424	0.46	95.30
about.com	83,140	0.89	76,534	0.83	7.05
cw.net	80,025	0.86	58,185	0.63	35.53
tpsa.pl	77,435	0.83	30,142	0.33	153.16
he.net	73,517	0.79	32,011	0.35	126.32
tera-byte.com	72,712	0.78	2,802	0.03	2457.23
secure.net	72,660	0.78	29,203	0.32	145.19
earthlink.net	66,296	0.71	63,800	0.69	2.40
cogentco.com	64,335	0.69	58,349	0.64	8.65
alabanza.com	58,315	0.63	54,092	0.59	6.24
dialtoneinternet.net	56,059	0.60	53,597	0.58	3.07
yahoo.com	45,084	0.48	29,281	0.32	51.73
demon.co.uk	42,753	0.46	42,740	0.47	-1.43
host4u.net	42,738	0.46	18,525	0.20	127.35
dtag.de	41,587	0.45	23,955	0.26	71.08
infoseek.co.jp	41,130	0.44	6	0.00	675422.31
pbi.net	40,577	0.44	22,540	0.25	77.40
pair.com	40,140	0.43	9,638	0.10	310.41
homestead.com	39,247	0.42	0	0.00	0.00
lycos.com	38,876	0.42	28	0.00	136721.95
tele.dk	36,365	0.39	35,331	0.38	1.43
algx.net	35,393	0.38	24,478	0.27	42.49
fasthosts.net.uk	34,897	0.37	0	0.00	0.00
gtei.net	34,699	0.37	30,805	0.34	11.00
ig.com.br	33,800	0.36	30,657	0.33	8.65
valueweb.net	32,939	0.35	15,406	0.17	110.69
nac.net	32,888	0.35	11,096	0.12	192.08
spylog.com	32,818	0.35	30,202	0.33	7.08
interbusiness.it	32,148	0.34	20,150	0.22	57.22
proxad.net	31,789	0.34	2	0.00	1566215.01
tac.net	30,818	0.33	23,496	0.26	29.25
yandex.ru	30,399	0.33	0	0.00	0.00
siteprotect.com	30,201	0.32	23,197	0.25	28.30
maxim.net	29,232	0.31	18,050	0.20	59.59
datasync.com	28,163	0.30	233	0.00	11811.19
cnc.ac.cn	27,636	0.30	6,767	0.07	302.45
superb.net	27,578	0.30	18,217	0.20	49.18
widexs.nl	27,144	0.29	0	0.00	0.00
pri-dns.de	27,052	0.29	22,698	0.25	17.45
bellsouth.net	27,042	0.29	18,324	0.20	45.43
eli.net	23,869	0.26	10,630	0.12	121.28
datapipe.net	23,284	0.25	19,633	0.21	16.87
gblx.net	22,050	0.24	20,739	0.23	4.77
rain.fr	21,976	0.24	17,480	0.19	23.89
savvis.net	21,650	0.23	8,514	0.09	150.59
clara.net	21,557	0.23	3,505	0.04	506.08
ocn.ad.jp	20,635	0.22	8,282	0.09	145.53
concentric.net	19,953	0.21	35,636	0.39	-44.82
digex.com	19,696	0.21	0	0.00	0.00
easynet.co.uk	19,478	0.21	2,883	0.03	565.78
aitcom.net	19,429	0.21	9,866	0.11	94.06
cerf.net	19,105	0.20	10,694	0.12	76.05
futuro.pl	19,032	0.20	15,489	0.17	21.09
pipex.net	18,895	0.20	18,232	0.20	2.13
intouch.nl	18,864	0.20	0	0.00	0.00
teleglobe.net	18,861	0.20	19,295	0.21	-3.67
twtelecom.net	18,617	0.20	12,732	0.14	44.09
register.com	18,601	0.20	95	0.00	19195.01
telia.com	18,377	0.20	11,604	0.13	56.06
uk2net.com	18,353	0.20	0	0.00	0.00
harvard.net	18,313	0.20	18,448	0.20	-2.18
rt.ru	18,145	0.19	6	0.00	297914.89
webfusion.co.uk	18,014	0.19	0	0.00	0.00
pick.net	18,013	0.19	11,368	0.12	56.15
9netave.com	17,910	0.19	2,353	0.03	650.08
theplanet.net	17,721	0.19	16,607	0.18	5.15
meganameservers.com	17,591	0.19	0	0.00	0.00
theplanet.com	17,074	0.18	2,558	0.03	557.76
inflow.net	17,029	0.18	11,984	0.13	40.03
ip-plus.net	17,021	0.18	14,081	0.15	19.12
ns0.com	16,766	0.18	0	0.00	0.00
cihost.com	16,484	0.18	14,784	0.16	9.88
burst.net	16,374	0.18	12,696	0.14	27.09
peer1.net	16,345	0.18	7,637	0.08	110.91
kornet.net	15,796	0.17	3,602	0.04	332.15
aunet.net	15,558	0.17	14,623	0.16	4.85
chinanetcenter.com	15,558	0.17	14,623	0.16	4.85
komplex.net	15,464	0.17	14,355	0.16	6.16
swbell.net	15,446	0.17	10,839	0.12	40.43
uunet.ca	15,017	0.16	6,028	0.07	145.49
web2010.com	14,909	0.16	1,785	0.02	723.08
sta.net.cn	14,898	0.16	12,950	0.14	13.37
newdream.net	14,798	0.16	13,653	0.15	6.81
ns.embratel.net.br	14,666	0.16	13,764	0.15	5.00
twnic.net	14,376	0.15	8,375	0.09	69.16
colt.net	14,271	0.15	3,238	0.04	334.32
rtcomm.ru	14,183	0.15	13,403	0.15	4.28
vdi.net	14,177	0.15	9,554	0.10	46.23
leaseweb.nl	13,930	0.15	13,506	0.15	1.64
ovh.net	13,831	0.15	0	0.00	0.00
interq.or.jp	13,824	0.15	6,459	0.07	110.91
sphere.ad.jp	13,584	0.15	7,779	0.08	72.08
localhost	13,548	0.15	5,298	0.06	152.00
psi.ca	13,411	0.14	856	0.01	1443.90
rr.com	13,357	0.14	12,132	0.13	8.49
psi.net	13,285	0.14	12,783	0.14	2.41
bellglobal.com	12,865	0.14	7,002	0.08	81.06
bsdhost.net	12,851	0.14	11,618	0.13	9.00
fastnameserv.com	12,744	0.14	11,732	0.13	7.04
kidc.net	12,666	0.14	0	0.00	0.00
abac.com	12,649	0.14	5,894	0.06	111.48
ttd.net	12,627	0.14	8,011	0.09	55.33
ripn.net	12,437	0.13	11,034	0.12	11.07
addr.com	12,422	0.13	72	0.00	16901.66
jomax.net	12,386	0.13	10,260	0.11	18.96
sfl.net	12,371	0.13	10,185	0.11	19.70
dacom.co.kr	12,278	0.13	2,799	0.03	332.27
nacamar.net	12,207	0.13	9,643	0.10	24.75
vuurwerk.nl	12,067	0.13	11,805	0.13	0.73
ipowerweb.net	11,842	0.13	9,629	0.10	21.19
namespace4you.de	11,832	0.13	10,592	0.12	10.08
dion.ne.jp	11,812	0.13	6,574	0.07	77.06
tierra.net	11,698	0.13	0	0.00	0.00
newaccount.com	11,644	0.12	4,063	0.04	182.41
in2net.com	11,625	0.12	2,576	0.03	344.71
4ph.com	11,588	0.12	10,549	0.11	8.25
netnation.com	11,547	0.12	10,794	0.12	5.42
idc.ad.jp	11,483	0.12	10,054	0.11	12.55
uni2.net	11,473	0.12	11,371	0.12	-0.57
aspadmin.com	11,455	0.12	0	0.00	0.00
broadwing.net	11,379	0.12	8,304	0.09	35.04
sunrise.ch	11,293	0.12	10,784	0.12	3.20
mtu.ru	11,178	0.12	9,772	0.11	12.72
softcomca.com	11,091	0.12	0	0.00	0.00
lasvegas.net	11,026	0.12	4,443	0.05	144.55
netservers.net	10,899	0.12	6,859	0.07	56.59
tiscali.nl	10,826	0.12	10,561	0.11	1.02
netsol.com	10,825	0.12	0	0.00	0.00
nxs.nl	10,794	0.12	0	0.00	0.00
vcommerce.com	10,710	0.11	10,228	0.11	3.19
oklahoma.net	10,593	0.11	0	0.00	0.00
dellhost.com	10,339	0.11	35	0.00	29010.04
hinet.net	10,172	0.11	5,047	0.05	98.61
bt.net	10,109	0.11	5,167	0.06	92.80
national-net.com	10,077	0.11	9,522	0.10	4.29
viawest.net	10,044	0.11	230	0.00	4203.39
global.net.uk	10,026	0.11	9,592	0.10	3.00
worldonline.dk	9,933	0.11	1,128	0.01	767.77
powersurge.net	9,896	0.11	6,303	0.07	54.72
vwh1.net	9,682	0.10	4,831	0.05	97.50
likewhoa.com	9,570	0.10	9,337	0.10	1.00
netfire.com	9,558	0.10	8,999	0.10	4.67
enternet.com.pl	9,533	0.10	0	0.00	0.00
gldn.net	9,498	0.10	9,569	0.10	-2.19
guangzhou.gd.cn	9,471	0.10	5,733	0.06	62.80
sakura.ad.jp	9,454	0.10	8,647	0.09	7.74
masterhost.ru	9,425	0.10	1	0.00	928681.59
coop.net	9,405	0.10	6,885	0.07	34.61
california.net	9,222	0.10	0	0.00	0.00
globix.net	9,147	0.10	355	0.00	2439.12
boca15-verio.com	9,003	0.10	7,017	0.08	26.44
netbenefit.co.uk	8,871	0.10	0	0.00	0.00
fastdns.net	8,835	0.09	7,211	0.08	20.74
gngidc.net	8,788	0.09	729	0.01	1087.94
xs4all.nl	8,771	0.09	7,410	0.08	16.64
magic-moments.com	8,589	0.09	0	0.00	0.00
advancedaccess.com	8,402	0.09	8,252	0.09	0.34
nl.net	8,381	0.09	6,207	0.07	33.06
netcom.ca	8,369	0.09	807	0.01	921.96
speakeasy.net	8,359	0.09	6,561	0.07	25.55
gxn.net	8,312	0.09	8,706	0.09	-5.92
metronet.ca	8,284	0.09	2,289	0.02	256.64
your-server.de	8,278	0.09	212	0.00	3747.88
u-net.net	8,273	0.09	6,967	0.08	17.02
nameservers.net	8,261	0.09	7,401	0.08	10.00
hosteurope.de	8,188	0.09	1,202	0.01	571.28
cybercity.dk	8,169	0.09	7	0.00	114901.39
candidhosting.com	8,151	0.09	7,813	0.09	2.81
inet.it	8,133	0.09	5,271	0.06	52.05
vonoc.net	8,059	0.09	1,475	0.02	438.42
crystaltech.com	8,047	0.09	0	0.00	0.00
netdepot.com	8,033	0.09	0	0.00	0.00
orc.ru	8,027	0.09	0	0.00	0.00
home.pl	8,022	0.09	17	0.00	46401.39
ns1	7,990	0.09	4,821	0.05	63.32
iunet.it	7,978	0.09	7,425	0.08	5.88
donhost.co.uk	7,970	0.09	6,920	0.08	13.50
telstra.net	7,967	0.09	642	0.01	1122.90
fast.net	7,899	0.08	1,898	0.02	310.12
affinity.com	7,885	0.08	15,087	0.16	-48.50
mcbone.net	7,857	0.08	7,398	0.08	4.66
ladot.com	7,831	0.08	0	0.00	0.00
datacomm.ch	7,806	0.08	1	0.00	769138.10
servepath.com	7,797	0.08	0	0.00	0.00
pajo.com	7,772	0.08	3,940	0.04	94.39
internet-dns.net	7,770	0.08	5,111	0.06	49.81
tmag.de	7,747	0.08	7,372	0.08	3.56
westmaster.com	7,719	0.08	7,598	0.08	0.11
yipes.com	7,537	0.08	3,049	0.03	143.60
activeisp.com	7,495	0.08	0	0.00	0.00
cpsoftwaregroup.com	7,487	0.08	7,084	0.08	4.15
tucows.com	7,286	0.08	0	0.00	0.00
city-guide.com	7,250	0.08	6,503	0.07	9.86
netgate.net.nz	7,179	0.08	0	0.00	0.00
cymitar.net	7,175	0.08	5,287	0.06	33.73
oleane.net	7,146	0.08	5,831	0.06	20.77
dns1.fz.fj.cn	7,117	0.08	0	0.00	0.00
idx.net	6,980	0.07	6,360	0.07	8.15
digiweb2.dk	6,843	0.07	6,796	0.07	-0.77
enta.net	6,834	0.07	6,291	0.07	7.05
dknet.dk	6,795	0.07	6,647	0.07	0.74
newedgenetworks.com	6,742	0.07	1,542	0.02	330.86
firstserver.ne.jp	6,714	0.07	2	0.00	330713.77
swip.net	6,530	0.07	4,317	0.05	49.06
netaxs.com	6,529	0.07	4,937	0.05	30.32
intermedia.net	6,520	0.07	6,249	0.07	2.82
mach10hosting.com	6,495	0.07	6,751	0.07	-5.19
pbuilder.com	6,479	0.07	6,424	0.07	-0.61
servint.com	6,394	0.07	0	0.00	0.00
bluegravity.com	6,365	0.07	2,751	0.03	128.00
tiscalinet.it	6,283	0.07	5,663	0.06	9.33
isdnet.net	6,232	0.07	5,858	0.06	4.84
ilan.net	6,223	0.07	0	0.00	0.00
readyhosting.com	6,185	0.07	5,988	0.07	1.79
force9.net	6,147	0.07	0	0.00	0.00
net.ru	6,140	0.07	5,360	0.06	12.88
interliant.com	6,140	0.07	311	0.00	1845.54
star.co.uk	6,101	0.07	1,310	0.01	358.95
mindspring.net	6,056	0.06	5,565	0.06	7.24
one-2-one.net	6,039	0.06	223	0.00	2568.65
unitedcolo.net	6,005	0.06	2,075	0.02	185.19
ns.nic.mx	5,956	0.06	5,651	0.06	3.86
bur-ns1-ms	5,949	0.06	6,090	0.07	-3.74
mex.ad.jp	5,928	0.06	1,945	0.02	200.35
ikp.pl	5,907	0.06	3,143	0.03	85.21
ippro.net	5,851	0.06	3,284	0.04	75.57
mail.ru	5,817	0.06	5,382	0.06	6.51
cent.net	5,793	0.06	5,431	0.06	5.11
gmt.nl	5,787	0.06	0	0.00	0.00
zenon.net	5,779	0.06	5,096	0.06	11.75
splitinfinity.net	5,709	0.06	3,338	0.04	68.54
atworks.co.jp	5,673	0.06	3,693	0.04	51.38

* An ISP is said to host a server if its name servers have control over the block of IP addresses that the server is in. Since a large ISP might delegate subnets to a smaller one, a single web server may be counted several times towards an ISP and its upstream providers.