Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 12618870 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	Oct 2003 Count*	Oct 2003 %	Sep 2003 Count*	Sep 2003 %	Growth %
uu.net	475,978	3.77	489,649	3.98	-5.19
verio.net	418,959	3.32	396,814	3.22	2.98
a.dns.jp	359,784	2.85	348,299	2.83	0.75
schlund.de	285,106	2.26	310,198	2.52	-10.36
sprintlink.net	238,863	1.89	234,764	1.91	-0.76
cogentco.com	220,910	1.75	170,954	1.39	26.03
lacnic.net	208,367	1.65	201,281	1.64	0.97
ev1.net	195,822	1.55	183,698	1.49	3.97
above.net	192,114	1.52	165,778	1.35	13.03
city-guide.com	167,612	1.33	219,795	1.79	-25.62
ns.dns.br	163,435	1.30	157,749	1.28	1.05
att.net	153,821	1.22	148,195	1.20	1.24
gngidc.net	130,684	1.04	268,320	2.18	-52.50
xlink.net	123,192	0.98	119,634	0.97	0.43
about.com	115,695	0.92	88,497	0.72	27.51
rackspace.com	112,293	0.89	118,458	0.96	-7.54
exodus.net	106,849	0.85	95,616	0.78	8.99
he.net	105,480	0.84	100,890	0.82	1.97
pnap.net	101,788	0.81	159,146	1.29	-37.62
tera-byte.com	97,039	0.77	86,326	0.70	9.64
qwest.net	94,347	0.75	95,674	0.78	-3.82
level3.net	87,592	0.69	98,185	0.80	-12.99
secure.net	81,726	0.65	81,227	0.66	-1.87
alabanza.com	76,544	0.61	76,014	0.62	-1.79
earthlink.net	74,854	0.59	73,728	0.60	-0.98
dn.net	68,252	0.54	60,069	0.49	10.82
tpnet.pl	66,082	0.52	65,829	0.53	-2.09
infoseek.co.jp	66,001	0.52	65,551	0.53	-1.80
yahoo.com	65,793	0.52	62,807	0.51	2.17
bellsouth.net	65,250	0.52	63,297	0.51	0.54
interland.net	63,884	0.51	96,359	0.78	-35.34
dialtoneinternet.net	59,486	0.47	57,226	0.46	1.39
lycos.com	58,344	0.46	56,087	0.46	1.46
org.pl	57,271	0.45	51,941	0.42	7.54
yourhostingaccount.com	56,758	0.45	17,060	0.14	224.49
pri-dns.de	55,091	0.44	49,130	0.40	9.37
eli.net	55,073	0.44	54,089	0.44	-0.69
wcg.net	54,320	0.43	55,670	0.45	-4.83
homestead.com	53,266	0.42	51,847	0.42	0.20
google.com	53,075	0.42	48,574	0.39	6.57
cw.net	52,390	0.42	55,094	0.45	-7.25
pair.com	49,540	0.39	48,599	0.39	-0.58
ig.com.br	49,305	0.39	48,324	0.39	-0.49
valueweb.net	47,891	0.38	44,983	0.37	3.84
theplanet.com	47,682	0.38	38,204	0.31	21.73
dtag.de	47,308	0.37	45,068	0.37	2.38
viawest.net	46,698	0.37	34,949	0.28	30.32
concentric.net	45,925	0.36	45,026	0.37	-0.52
host4u.net	45,157	0.36	34,161	0.28	28.93
cnc.ac.cn	44,759	0.35	42,439	0.34	2.87
nac.net	43,822	0.35	53,798	0.44	-20.55
rt.ru	41,697	0.33	40,545	0.33	0.30
tele.dk	41,468	0.33	40,956	0.33	-1.25
demon.co.uk	40,996	0.32	41,351	0.34	-3.30
datasync.com	40,826	0.32	35,014	0.28	13.72
hostway.net	36,156	0.29	0	0.00	0.00
interbusiness.it	35,822	0.28	35,335	0.29	-1.12
jomax.net	34,717	0.28	30,055	0.24	12.66
pbi.net	33,994	0.27	34,741	0.28	-4.56
ipowerweb.net	32,529	0.26	29,983	0.24	5.82
widexs.nl	32,027	0.25	0	0.00	0.00
telus.com	31,335	0.25	22,001	0.18	38.91
peer1.net	31,026	0.25	28,643	0.23	5.65
datapipe.net	29,644	0.23	29,130	0.24	-0.75
hopone.net	29,049	0.23	18,396	0.15	54.01
gtei.net	28,842	0.23	29,640	0.24	-5.09
uunet.ca	28,732	0.23	29,260	0.24	-4.23
affinity.com	27,930	0.22	21,800	0.18	24.96
netsol.com	27,372	0.22	26,131	0.21	2.17
rain.fr	27,180	0.22	26,646	0.22	-0.51
twtelecom.net	26,624	0.21	23,650	0.19	9.80
bellglobal.com	26,392	0.21	23,049	0.19	11.68
ocn.ad.jp	26,347	0.21	25,327	0.21	1.46
inflow.net	26,344	0.21	25,307	0.21	1.53
remarkablehosting.net	26,230	0.21	26,095	0.21	-1.96
meganameservers.com	25,760	0.20	24,906	0.20	0.88
netnation.com	25,695	0.20	24,126	0.20	3.88
sta.net.cn	25,101	0.20	23,485	0.19	4.24
maxim.net	24,474	0.19	23,646	0.19	0.95
interq.or.jp	24,274	0.19	23,416	0.19	1.11
dreamhost.com	23,619	0.19	22,214	0.18	3.70
rr.com	23,584	0.19	18,826	0.15	22.18
readyhosting.com	22,846	0.18	21,989	0.18	1.33
kornet.net	22,721	0.18	21,401	0.17	3.55
aitcom.net	22,310	0.18	21,940	0.18	-0.82
cerf.net	21,893	0.17	20,585	0.17	3.73
cihost.com	21,743	0.17	20,841	0.17	1.75
gnax.net	21,548	0.17	8,690	0.07	141.85
swbell.net	21,443	0.17	20,928	0.17	-0.07
gblx.net	21,346	0.17	19,868	0.16	4.79
bsdhost.net	21,285	0.17	20,413	0.17	1.70
propagation.net	20,998	0.17	20,669	0.17	-0.91
splitinfinity.net	20,791	0.16	19,890	0.16	1.95
easynet.co.uk	20,721	0.16	20,134	0.16	0.38
localhost	20,667	0.16	17,027	0.14	18.38
hosting4u.net	20,575	0.16	16,600	0.13	20.89
appliedtheory.com	20,165	0.16	20,117	0.16	-2.23
servepath.com	20,070	0.16	15,174	0.12	29.00
theplanet.net	20,021	0.16	19,758	0.16	-1.17
register.com	19,946	0.16	15,091	0.12	28.91
in2net.com	19,726	0.16	18,207	0.15	5.67
namespace4you.de	19,717	0.16	18,661	0.15	3.05
pick.net	19,601	0.16	19,756	0.16	-3.23
sphere.ad.jp	19,592	0.16	18,628	0.15	2.58
ip-plus.net	19,197	0.15	18,446	0.15	1.50
twnic.net	19,183	0.15	18,261	0.15	2.46
telia.com	19,000	0.15	21,741	0.18	-14.76
harvard.net	18,931	0.15	15,574	0.13	18.56
bt.net	18,410	0.15	18,079	0.15	-0.68
abac.com	18,248	0.14	17,129	0.14	3.90
ns.embratel.net.br	18,201	0.14	17,821	0.14	-0.39
clara.net	17,904	0.14	14,687	0.12	18.90
netgate.net.nz	17,898	0.14	9,921	0.08	75.96
broadwing.net	17,764	0.14	16,683	0.14	3.85
pipex.net	17,159	0.14	18,156	0.15	-7.82
sagonet.com	16,719	0.13	14,765	0.12	10.44
vonoc.net	16,621	0.13	16,454	0.13	-1.48
mtu.ru	16,598	0.13	15,616	0.13	3.67
guangzhou.gd.cn	16,406	0.13	15,357	0.12	4.20
9netave.com	15,900	0.13	15,946	0.13	-2.75
sakura.ad.jp	15,807	0.13	14,745	0.12	4.56
4ph.com	15,688	0.12	14,826	0.12	3.20
burst.net	15,656	0.12	14,637	0.12	4.32
medem.com	15,541	0.12	15,538	0.13	-2.45
powersurge.net	15,430	0.12	15,216	0.12	-1.10
algx.net	15,415	0.12	37,406	0.30	-59.81
ripn.net	15,245	0.12	15,001	0.12	-0.88
aspadmin.com	15,138	0.12	14,524	0.12	1.66
sbcidc.com	15,029	0.12	8,775	0.07	67.05
conepuppy.com	14,987	0.12	14,673	0.12	-0.38
dacom.co.kr	14,899	0.12	13,482	0.11	7.78
web2010.com	14,764	0.12	14,824	0.12	-2.86
fibercloud.com	14,763	0.12	11,138	0.09	29.28
dion.ne.jp	14,709	0.12	14,279	0.12	0.47
sfl.net	14,581	0.12	13,004	0.11	9.36
momentous.ca	14,560	0.12	36	0.00	39346.78
tierra.net	14,222	0.11	3,238	0.03	328.39
colt.net	14,113	0.11	8,423	0.07	63.42
hinet.net	13,699	0.11	13,384	0.11	-0.17
webcontrolcenter.com	13,529	0.11	13,289	0.11	-0.71
vuurwerk.nl	13,465	0.11	13,377	0.11	-1.83
sunrise.ch	13,450	0.11	11,828	0.10	10.91
nacamar.net	13,448	0.11	13,331	0.11	-1.61
softcomca.com	13,259	0.11	12,973	0.11	-0.32
iunet.it	13,160	0.10	12,753	0.10	0.65
cwie.net	13,146	0.10	13,490	0.11	-4.95
oklahoma.net	13,124	0.10	12,661	0.10	1.10
newaccount.com	12,971	0.10	12,777	0.10	-0.99
donhost.co.uk	12,964	0.10	0	0.00	0.00
vcommerce.com	12,805	0.10	12,607	0.10	-0.93
ns1	12,594	0.10	12,759	0.10	-3.73
national-net.com	12,108	0.10	0	0.00	0.00
fastdns.net	12,071	0.10	6,889	0.06	70.90
pwebtech.com	11,963	0.09	9,541	0.08	22.29
idc.ad.jp	11,960	0.09	12,045	0.10	-3.16
vdi.net	11,799	0.09	9,708	0.08	18.54
cybercity.dk	11,724	0.09	11,793	0.10	-3.04
0catch.com	11,625	0.09	10,923	0.09	3.80
xo.com	11,604	0.09	11,740	0.10	-3.60
uni2.net	11,574	0.09	11,590	0.09	-2.60
xs4all.nl	11,499	0.09	11,155	0.09	0.54
tiscali.nl	11,361	0.09	11,264	0.09	-1.63
gldn.net	11,335	0.09	11,317	0.09	-2.31
dellhost.com	11,327	0.09	1,298	0.01	751.12
nameservers.net	11,193	0.09	10,920	0.09	-0.03
fast.net	11,187	0.09	10,920	0.09	-0.08
ttd.net	11,076	0.09	10,957	0.09	-1.41
tac.net	10,858	0.09	10,663	0.09	-0.68
mcbone.net	10,572	0.08	10,189	0.08	1.20
metronet.ca	10,495	0.08	10,173	0.08	0.62
savvis.net	10,489	0.08	22,182	0.18	-53.88
psi.ca	10,420	0.08	9,594	0.08	5.93
candidhosting.com	10,382	0.08	10,694	0.09	-5.31
pajo.com	10,290	0.08	9,952	0.08	0.85
valuehost.ru	10,100	0.08	9,811	0.08	0.41
bta.net.cn	10,092	0.08	3,714	0.03	165.03
ipworldcom.ca	9,999	0.08	867	0.01	1024.84
primarydns.com	9,997	0.08	8,600	0.07	13.38
net.ru	9,730	0.08	8,926	0.07	6.32
covad.net	9,705	0.08	9,101	0.07	4.01
cybercon.com	9,594	0.08	8,361	0.07	11.92
california.net	9,547	0.08	9,170	0.07	1.54
wnclientroot.com	9,538	0.08	9,493	0.08	-2.00
psi.net	9,536	0.08	9,435	0.08	-1.42
sprintsvc.net	9,491	0.08	9,032	0.07	2.49
cpsoftwaregroup.com	9,367	0.07	9,135	0.07	0.01
relcom.ru	9,291	0.07	8,944	0.07	1.32
oghost.com.br	9,232	0.07	8,123	0.07	10.85
swip.net	9,190	0.07	9,018	0.07	-0.61
terra.com.br	9,172	0.07	8,432	0.07	6.09
hrnoc.net	9,039	0.07	0	0.00	0.00
inet.it	9,034	0.07	6,909	0.06	27.53
speakeasy.net	9,028	0.07	11,107	0.09	-20.72
tucows.com	8,910	0.07	8,738	0.07	-0.55
isdnet.net	8,881	0.07	8,320	0.07	4.11
telstra.net	8,839	0.07	8,722	0.07	-1.16
laserlink.net	8,800	0.07	8,278	0.07	3.68
firstserver.ne.jp	8,793	0.07	8,564	0.07	0.14
sprintnetops.net	8,774	0.07	8,656	0.07	-1.14
ikp.pl	8,676	0.07	7,295	0.06	16.00
u-net.net	8,551	0.07	8,530	0.07	-2.23
gxn.net	8,530	0.07	8,352	0.07	-0.39
boca15-verio.com	8,529	0.07	8,416	0.07	-1.16
oleane.net	8,529	0.07	8,636	0.07	-3.68
advancedaccess.com	8,493	0.07	8,472	0.07	-2.22
edu.pl	8,493	0.07	7,543	0.06	9.82
vwh1.net	8,483	0.07	8,541	0.07	-3.13
cnc171.net	8,475	0.07	8,049	0.07	2.70
coop.net	8,423	0.07	12,480	0.10	-34.17
netcom.ca	8,403	0.07	7,846	0.06	4.46
gaoland.net	8,338	0.07	7,853	0.06	3.56
leodom.net	8,272	0.07	8,168	0.07	-1.22
datacomm.ch	8,211	0.07	223	0.00	3491.24
t-online.de	8,140	0.06	7,780	0.06	2.05
nl.net	8,100	0.06	8,143	0.07	-2.98
geodns.net	8,085	0.06	6,896	0.06	14.35
forest.net	8,064	0.06	7,363	0.06	6.82
dynamicname.com	8,004	0.06	7,077	0.06	10.31
globix.net	8,003	0.06	5,681	0.05	37.40
intermedia.net	7,926	0.06	7,763	0.06	-0.42
ns.nic.mx	7,890	0.06	7,674	0.06	0.28
atworks.co.jp	7,853	0.06	7,611	0.06	0.63
ippro.net	7,829	0.06	6,513	0.05	17.24
servint.com	7,734	0.06	7,299	0.06	3.35
ocn.ne.jp	7,728	0.06	7,337	0.06	2.73
hostnoc.net	7,701	0.06	7,163	0.06	4.86
cent.net	7,670	0.06	7,501	0.06	-0.27
bluegravity.com	7,630	0.06	4,208	0.03	76.85
web1000.com	7,579	0.06	7,375	0.06	0.23
mach10hosting.com	7,510	0.06	7,647	0.06	-4.21
yipes.com	7,412	0.06	3,308	0.03	118.54
dv2.net	7,410	0.06	3,243	0.03	122.86
sprint-canada.net	7,343	0.06	7,059	0.06	1.46
kei.pl	7,342	0.06	6,789	0.06	5.48
dknet.dk	7,288	0.06	7,159	0.06	-0.71
cymitar.net	7,274	0.06	6,918	0.06	2.55
netfire.com	7,156	0.06	8,131	0.07	-14.16
enta.net	7,113	0.06	0	0.00	0.00
planetonline.com	7,088	0.06	7,058	0.06	-2.05
choopa.com	7,038	0.06	6,934	0.06	-1.00
ampira.com	6,956	0.06	6,806	0.06	-0.32
datacenter1.com.br	6,900	0.05	6,379	0.05	5.50
fatcow.com	6,877	0.05	5,453	0.04	23.00
isprime.com	6,765	0.05	6,498	0.05	1.54
maximumasp.com	6,752	0.05	6,320	0.05	4.20
netservers.net	6,742	0.05	4,262	0.03	54.29
homes.com	6,703	0.05	6,575	0.05	-0.57
mindspring.net	6,684	0.05	6,530	0.05	-0.17
hmdnsgroup.com	6,672	0.05	5,633	0.05	15.52
ntli.net	6,651	0.05	6,057	0.05	7.10

* 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.