Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 10374971 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	May 2003 Count*	May 2003 %	Apr 2003 Count*	Apr 2003 %	Growth %
uu.net	418,232	4.03	418,765	4.08	-1.09
verio.net	373,572	3.60	379,223	3.69	-2.44
city-guide.com	283,333	2.73	290,467	2.83	-3.40
sprintlink.net	217,269	2.09	217,155	2.11	-0.91
schlund.de	186,372	1.80	208,474	2.03	-11.46
lacnic.net	176,056	1.70	167,321	1.63	4.21
pnap.net	150,326	1.45	149,707	1.46	-0.55
above.net	143,341	1.38	139,268	1.36	1.93
ns.dns.br	138,341	1.33	131,005	1.27	4.58
att.net	126,494	1.22	122,008	1.19	2.68
exodus.net	122,381	1.18	111,460	1.08	8.74
level3.net	119,794	1.15	120,595	1.17	-1.62
ev1.net	115,262	1.11	105,831	1.03	7.86
xlink.net	106,334	1.02	103,336	1.01	1.91
interland.net	104,033	1.00	97,182	0.95	6.02
gngidc.net	103,885	1.00	21,752	0.21	372.98
qwest.net	95,584	0.92	92,185	0.90	2.69
about.com	93,295	0.90	92,335	0.90	0.07
cogentco.com	90,300	0.87	81,370	0.79	9.90
tera-byte.com	82,805	0.80	79,864	0.78	2.68
secure.net	77,034	0.74	74,860	0.73	1.91
he.net	72,931	0.70	52,360	0.51	37.94
cw.net	72,143	0.70	73,685	0.72	-3.04
earthlink.net	70,533	0.68	69,296	0.67	0.80
alabanza.com	64,319	0.62	69,057	0.67	-7.76
tpsa.pl	57,106	0.55	64,085	0.62	-11.75
infoseek.co.jp	56,032	0.54	53,542	0.52	3.64
rackspace.com	53,535	0.52	69,391	0.68	-23.59
yahoo.com	52,794	0.51	50,624	0.49	3.28
hosting4u.net	52,615	0.51	52,077	0.51	0.06
dialtoneinternet.net	51,041	0.49	48,210	0.47	4.85
dn.net	50,147	0.48	49,920	0.49	-0.51
lycos.com	47,045	0.45	45,152	0.44	3.19
homestead.com	45,828	0.44	44,433	0.43	2.15
concentric.net	43,758	0.42	41,227	0.40	5.12
pair.com	43,681	0.42	42,119	0.41	2.71
demon.co.uk	42,958	0.41	42,166	0.41	0.90
ig.com.br	40,958	0.39	38,730	0.38	4.73
bellsouth.net	40,409	0.39	47,328	0.46	-15.44
pbi.net	40,316	0.39	39,223	0.38	1.80
nac.net	39,910	0.38	41,643	0.41	-5.09
splitinfinity.net	39,134	0.38	36,713	0.36	5.57
tele.dk	38,773	0.37	37,579	0.37	2.18
algx.net	38,773	0.37	38,022	0.37	0.99
yandex.ru	38,040	0.37	0	0.00	0.00
host4u.net	37,333	0.36	20,422	0.20	81.05
proxad.net	36,687	0.35	54	0.00	67183.97
gtei.net	36,435	0.35	33,789	0.33	6.79
pri-dns.de	36,279	0.35	33,685	0.33	6.66
valueweb.net	36,032	0.35	25,834	0.25	38.13
datasync.com	33,865	0.33	32,994	0.32	1.65
dtag.de	33,662	0.32	41,502	0.40	-19.67
theplanet.com	30,519	0.29	26,413	0.26	14.43
cnc.ac.cn	30,412	0.29	30,118	0.29	0.00
interbusiness.it	29,272	0.28	33,388	0.32	-13.17
eli.net	27,557	0.27	26,680	0.26	2.29
org.pl	27,330	0.26	22,104	0.22	22.45
maxim.net	27,273	0.26	25,516	0.25	5.86
siteprotect.com	26,071	0.25	22,192	0.22	16.35
affinity.com	25,185	0.24	20,850	0.20	19.63
telus.com	23,940	0.23	26,161	0.25	-9.37
rain.fr	22,583	0.22	23,841	0.23	-6.19
savvis.net	22,385	0.22	21,796	0.21	1.71
gblx.net	21,406	0.21	21,413	0.21	-1.00
meganameservers.com	20,758	0.20	19,883	0.19	3.39
aitcom.net	20,647	0.20	20,061	0.20	1.93
appliedtheory.com	20,241	0.20	4,511	0.04	344.38
rt.ru	20,209	0.19	30,991	0.30	-35.42
bellglobal.com	19,785	0.19	18,345	0.18	6.81
pipex.net	19,751	0.19	19,613	0.19	-0.27
propagation.net	19,684	0.19	4,027	0.04	384.09
dv2.net	19,543	0.19	15,832	0.15	22.25
pick.net	19,386	0.19	19,281	0.19	-0.42
ipowerweb.net	19,145	0.18	16,578	0.16	14.37
addr.com	19,071	0.18	14,539	0.14	29.91
telia.com	19,039	0.18	18,866	0.18	-0.06
theplanet.net	18,869	0.18	18,605	0.18	0.44
intouch.nl	18,860	0.18	0	0.00	0.00
uunet.ca	18,723	0.18	17,397	0.17	6.58
ip-plus.net	18,072	0.17	18,127	0.18	-1.26
dreamhost.com	17,954	0.17	16,935	0.16	5.00
viawest.net	17,808	0.17	7,671	0.07	129.91
cihost.com	17,237	0.17	21,071	0.21	-18.98
register.com	16,804	0.16	16,985	0.17	-2.02
interq.or.jp	16,796	0.16	16,129	0.16	3.13
teleglobe.net	16,715	0.16	8,486	0.08	95.07
cerf.net	16,683	0.16	16,228	0.16	1.81
burst.net	16,665	0.16	18,184	0.18	-9.24
ns.embratel.net.br	16,554	0.16	15,565	0.15	5.33
swbell.net	16,296	0.16	15,775	0.15	2.31
sphere.ad.jp	16,186	0.16	15,597	0.15	2.78
twnic.net	16,125	0.16	16,005	0.16	-0.22
bsdhost.net	15,826	0.15	15,045	0.15	4.18
twtelecom.net	15,742	0.15	14,827	0.14	5.15
rr.com	15,689	0.15	14,702	0.14	5.68
medem.com	15,563	0.15	0	0.00	0.00
kornet.net	15,423	0.15	17,863	0.17	-14.49
web2010.com	15,420	0.15	15,406	0.15	-0.87
localhost	15,307	0.15	20,150	0.20	-24.77
namespace4you.de	15,015	0.14	14,169	0.14	4.95
abac.com	14,885	0.14	13,948	0.14	5.69
in2net.com	14,543	0.14	14,567	0.14	-1.13
dion.ne.jp	14,312	0.14	13,727	0.13	3.26
psi.ca	14,254	0.14	14,360	0.14	-1.70
vonoc.net	14,106	0.14	13,309	0.13	4.97
datapipe.net	14,042	0.14	14,649	0.14	-5.07
cwie.net	13,961	0.13	33,965	0.33	-59.29
mtu.ru	13,680	0.13	11,936	0.12	13.51
ripn.net	13,622	0.13	13,074	0.13	3.19
conepuppy.com	13,569	0.13	13,971	0.14	-3.81
sfl.net	13,508	0.13	13,471	0.13	-0.69
netsol.com	13,358	0.13	12,802	0.12	3.34
nacamar.net	12,999	0.13	12,953	0.13	-0.61
sta.net.cn	12,992	0.13	16,203	0.16	-20.59
4ph.com	12,901	0.12	12,579	0.12	1.57
inflow.net	12,873	0.12	18,025	0.18	-29.27
newaccount.com	12,553	0.12	12,182	0.12	2.05
vuurwerk.nl	12,494	0.12	12,234	0.12	1.14
tac.net	12,393	0.12	12,204	0.12	0.57
kidc.net	12,292	0.12	12,405	0.12	-1.87
guangzhou.gd.cn	12,234	0.12	12,099	0.12	0.14
dacom.co.kr	12,204	0.12	13,405	0.13	-9.84
aspadmin.com	12,198	0.12	11,510	0.11	4.96
softcomca.com	12,189	0.12	11,923	0.12	1.25
ttd.net	12,137	0.12	12,735	0.12	-5.61
oklahoma.net	12,072	0.12	8,913	0.09	34.14
sunrise.ch	11,760	0.11	11,515	0.11	1.14
uni2.net	11,733	0.11	10,394	0.10	11.79
vcommerce.com	11,729	0.11	11,544	0.11	0.62
broadwing.net	11,720	0.11	12,348	0.12	-6.00
global.net.uk	11,708	0.11	10,667	0.10	8.70
harvard.net	11,675	0.11	18,009	0.18	-35.80
idc.ad.jp	11,647	0.11	11,345	0.11	1.67
9netave.com	11,625	0.11	17,436	0.17	-33.97
coop.net	11,545	0.11	11,100	0.11	3.01
sakura.ad.jp	11,359	0.11	10,829	0.11	3.88
hinet.net	11,255	0.11	10,992	0.11	1.41
national-net.com	11,172	0.11	11,210	0.11	-1.30
dellhost.com	10,756	0.10	10,253	0.10	3.89
psi.net	10,716	0.10	10,612	0.10	0.01
tiscali.nl	10,629	0.10	10,826	0.11	-2.77
servepath.com	10,435	0.10	8,606	0.08	20.08
speakeasy.net	10,257	0.10	9,824	0.10	3.40
gldn.net	10,204	0.10	9,543	0.09	5.90
webcontrolcenter.com	10,147	0.10	0	0.00	0.00
ns1	10,143	0.10	6,366	0.06	57.79
ocn.ad.jp	10,140	0.10	22,705	0.22	-55.77
fastdns.net	10,106	0.10	3,974	0.04	151.85
netfire.com	9,839	0.09	10,315	0.10	-5.53
xs4all.nl	9,758	0.09	9,616	0.09	0.50
nameservers.net	9,663	0.09	9,230	0.09	3.68
tierra.net	9,569	0.09	12,453	0.12	-23.90
netbenefit.co.uk	9,545	0.09	0	0.00	0.00
tmag.de	9,433	0.09	9,322	0.09	0.22
telstra.net	9,318	0.09	8,813	0.09	4.71
boca15-verio.com	9,237	0.09	9,178	0.09	-0.33
gxn.net	9,228	0.09	7,941	0.08	15.09
candidhosting.com	9,145	0.09	8,505	0.08	6.49
powersurge.net	9,114	0.09	10,222	0.10	-11.70
mcbone.net	9,101	0.09	8,937	0.09	0.85
iunet.it	9,088	0.09	8,439	0.08	6.65
pajo.com	9,081	0.09	8,753	0.09	2.75
wcg.net	9,041	0.09	5,648	0.05	58.53
vwh1.net	8,732	0.08	8,597	0.08	0.59
metronet.ca	8,688	0.08	9,594	0.09	-10.32
u-net.net	8,551	0.08	8,524	0.08	-0.65
advancedaccess.com	8,491	0.08	8,503	0.08	-1.10
nl.net	8,487	0.08	8,455	0.08	-0.59
netservers.net	8,431	0.08	8,934	0.09	-6.54
netcom.ca	8,346	0.08	8,695	0.08	-4.94
cpsoftwaregroup.com	8,345	0.08	8,150	0.08	1.41
hopone.net	8,204	0.08	19,068	0.19	-57.39
ipworldcom.ca	8,178	0.08	6,681	0.07	21.23
netnation.com	8,129	0.08	12,437	0.12	-35.27
tucows.com	8,120	0.08	157	0.00	5022.12
unitedcolo.net	8,085	0.08	8,143	0.08	-1.67
netgate.net.nz	7,925	0.08	7,704	0.07	1.88
oleane.net	7,907	0.08	7,623	0.07	2.73
0catch.com	7,837	0.08	7,088	0.07	9.50
firstserver.ne.jp	7,724	0.07	7,441	0.07	2.80
fast.net	7,707	0.07	8,481	0.08	-10.00
sprintsvc.net	7,540	0.07	1,135	0.01	557.91
ippro.net	7,489	0.07	6,934	0.07	6.96
net.ru	7,479	0.07	25	0.00	29527.61
bt.net	7,378	0.07	10,846	0.11	-32.63
wnclientroot.com	7,365	0.07	8,176	0.08	-10.79
fastnameserv.com	7,318	0.07	10,203	0.10	-28.97
mex.ad.jp	7,298	0.07	6,848	0.07	5.54
inet.it	7,276	0.07	7,425	0.07	-2.95
hrnoc.net	7,246	0.07	7,332	0.07	-2.13
cymitar.net	7,187	0.07	4,363	0.04	63.14
voyager.net	7,153	0.07	7,222	0.07	-1.91
netaxs.com	7,080	0.07	7,039	0.07	-0.39
bluegravity.com	7,055	0.07	6,672	0.06	4.72
swip.net	7,047	0.07	6,710	0.07	4.01
intermedia.net	7,045	0.07	6,809	0.07	2.47
cybercon.com	7,019	0.07	3,736	0.04	86.06
dknet.dk	7,018	0.07	6,663	0.06	4.31
edu.pl	6,881	0.07	5,588	0.05	21.95
colt.net	6,868	0.07	7,675	0.07	-11.38
isdnet.net	6,861	0.07	6,536	0.06	3.96
ns.nic.mx	6,783	0.07	6,678	0.06	0.59
relcom.ru	6,781	0.07	5,253	0.05	27.84
digiweb2.dk	6,766	0.07	6,790	0.07	-1.31
idx.net	6,660	0.06	6,526	0.06	1.07
newedgenetworks.com	6,652	0.06	7,923	0.08	-16.85
mach10hosting.com	6,651	0.06	7,325	0.07	-10.08
cent.net	6,619	0.06	6,475	0.06	1.24
covad.net	6,611	0.06	6,166	0.06	6.18
cybercity.dk	6,582	0.06	8,471	0.08	-23.05
sprint-canada.net	6,578	0.06	5,949	0.06	9.51
gaoland.net	6,532	0.06	6,177	0.06	4.73
hosteurope.de	6,488	0.06	5,570	0.05	15.36
web1000.com	6,358	0.06	6,008	0.06	4.81
mindspring.net	6,319	0.06	6,328	0.06	-1.10
readyhosting.com	6,310	0.06	6,146	0.06	1.68
atworks.co.jp	6,283	0.06	6,208	0.06	0.23
terra.com.br	6,134	0.06	5,650	0.05	7.52
ampira.com	6,123	0.06	5,646	0.05	7.40
rnc.ro	6,073	0.06	5,857	0.06	2.69
ocn.ne.jp	5,978	0.06	5,661	0.06	4.58
stargate.net	5,935	0.06	6,288	0.06	-6.52
internetive.net	5,866	0.06	5,551	0.05	4.66
sbcglobal.net	5,834	0.06	5,470	0.05	5.63
bt.co.uk	5,833	0.06	5,654	0.06	2.17
ntli.net	5,791	0.06	5,658	0.06	1.36
utelfla.com	5,753	0.06	4,506	0.04	26.44
globix.net	5,718	0.06	6,529	0.06	-13.27
valuehost.ru	5,647	0.05	5,100	0.05	9.66
atjeu.com	5,637	0.05	4,621	0.04	20.81
leodom.net	5,637	0.05	0	0.00	0.00
coxmail.com	5,634	0.05	1,096	0.01	409.10
imconline.net	5,620	0.05	5,428	0.05	2.54
bur-ns1-ms	5,517	0.05	5,681	0.06	-3.82
inet.fi	5,516	0.05	5,309	0.05	2.90
your-site.com	5,510	0.05	5,380	0.05	1.43
btwebworld.com	5,477	0.05	5,317	0.05	2.02
terraempresas.com.br	5,470	0.05	5,398	0.05	0.36
star.co.uk	5,465	0.05	0	0.00	0.00
onvoy.net	5,455	0.05	5,460	0.05	-1.05
connect.com.au	5,426	0.05	5,236	0.05	2.63
sprintnetops.net	5,407	0.05	5,254	0.05	1.92
ai.net	5,377	0.05	5,184	0.05	2.72
ba-dsg.net	5,366	0.05	4,532	0.04	17.26
easynet.co.uk	5,347	0.05	17,311	0.17	-69.41
cais.com	5,341	0.05	5,190	0.05	1.92
inetu.net	5,339	0.05	5,222	0.05	1.25
gtn.com	5,307	0.05	4,965	0.05	5.86
domicile.fr	5,277	0.05	5,094	0.05	2.59
fnsi.net	5,233	0.05	4,791	0.05	8.17

* 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.