Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 13231560 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	Nov 2003 Count*	Nov 2003 %	Oct 2003 Count*	Oct 2003 %	Growth %
uu.net	484,319	3.66	475,978	3.77	-2.96
verio.net	418,560	3.16	418,959	3.32	-4.72
a.dns.jp	366,858	2.77	359,784	2.85	-2.76
schlund.de	294,431	2.23	285,106	2.26	-1.51
gngidc.net	276,441	2.09	130,684	1.04	101.74
sprintlink.net	243,409	1.84	238,863	1.89	-2.82
cogentco.com	229,356	1.73	220,910	1.75	-0.98
city-guide.com	215,980	1.63	167,612	1.33	22.89
lacnic.net	214,799	1.62	208,367	1.65	-1.69
ev1.net	201,592	1.52	195,822	1.55	-1.82
rackspace.com	193,378	1.46	112,293	0.89	64.23
ns.dns.br	168,947	1.28	163,435	1.30	-1.41
above.net	168,674	1.27	192,114	1.52	-16.27
att.net	156,810	1.19	153,821	1.22	-2.78
xlink.net	125,065	0.95	123,192	0.98	-3.18
about.com	117,848	0.89	115,695	0.92	-2.86
pnap.net	114,932	0.87	101,788	0.81	7.68
exodus.net	111,068	0.84	106,849	0.85	-0.86
he.net	106,960	0.81	105,480	0.84	-3.29
tera-byte.com	97,887	0.74	97,039	0.77	-3.80
qwest.net	92,886	0.70	94,347	0.75	-6.11
level3.net	84,886	0.64	87,592	0.69	-7.58
secure.net	82,105	0.62	81,726	0.65	-4.19
alabanza.com	75,777	0.57	76,544	0.61	-5.59
earthlink.net	74,480	0.56	74,854	0.59	-5.11
infoseek.co.jp	68,698	0.52	66,001	0.52	-0.73
dn.net	67,027	0.51	68,252	0.54	-6.34
yahoo.com	66,662	0.50	65,793	0.52	-3.37
org.pl	65,208	0.49	57,271	0.45	8.59
interland.net	65,124	0.49	63,884	0.51	-2.78
tpnet.pl	65,121	0.49	66,082	0.52	-6.02
bellsouth.net	61,524	0.46	65,250	0.52	-10.08
lycos.com	59,726	0.45	58,344	0.46	-2.37
pri-dns.de	59,040	0.45	55,091	0.44	2.21
wcg.net	58,667	0.44	54,320	0.43	3.00
yourhostingaccount.com	58,603	0.44	56,758	0.45	-1.53
google.com	57,479	0.43	53,075	0.42	3.28
dialtoneinternet.net	56,281	0.43	59,486	0.47	-9.77
eli.net	55,557	0.42	55,073	0.44	-3.79
homestead.com	54,179	0.41	53,266	0.42	-3.00
cw.net	50,976	0.39	52,390	0.42	-7.20
ig.com.br	50,684	0.38	49,305	0.39	-1.96
pair.com	49,996	0.38	49,540	0.39	-3.75
datasync.com	49,922	0.38	40,826	0.32	16.62
viawest.net	49,680	0.38	46,698	0.37	1.46
theplanet.com	48,656	0.37	47,682	0.38	-2.68
dtag.de	48,049	0.36	47,308	0.37	-3.14
valueweb.net	47,515	0.36	47,891	0.38	-5.38
concentric.net	45,959	0.35	45,925	0.36	-4.56
host4u.net	44,806	0.34	45,157	0.36	-5.37
nac.net	44,418	0.34	43,822	0.35	-3.33
rt.ru	43,250	0.33	41,697	0.33	-1.08
cnc.ac.cn	42,654	0.32	44,759	0.35	-9.12
tele.dk	41,174	0.31	41,468	0.33	-5.31
demon.co.uk	40,657	0.31	40,996	0.32	-5.42
jomax.net	37,776	0.29	34,717	0.28	3.77
hostway.net	36,189	0.27	36,156	0.29	-4.54
interbusiness.it	35,818	0.27	35,822	0.28	-4.64
ipowerweb.net	35,290	0.27	32,529	0.26	3.46
pbi.net	34,474	0.26	33,994	0.27	-3.28
widexs.nl	33,443	0.25	32,027	0.25	-0.41
peer1.net	33,322	0.25	31,026	0.25	2.43
telus.com	31,504	0.24	31,335	0.25	-4.12
twtelecom.net	31,145	0.24	26,624	0.21	11.56
datapipe.net	30,744	0.23	29,644	0.23	-1.09
gtei.net	30,100	0.23	28,842	0.23	-0.47
hopone.net	29,772	0.23	29,049	0.23	-2.26
uunet.ca	29,125	0.22	28,732	0.23	-3.33
netsol.com	28,003	0.21	27,372	0.22	-2.43
affinity.com	27,856	0.21	27,930	0.22	-4.88
dreamhost.com	27,395	0.21	23,619	0.19	10.62
rain.fr	27,350	0.21	27,180	0.22	-4.03
inflow.net	27,107	0.20	26,344	0.21	-1.87
netnation.com	26,904	0.20	25,695	0.20	-0.14
ocn.ad.jp	26,443	0.20	26,347	0.21	-4.28
remarkablehosting.net	26,365	0.20	26,230	0.21	-4.14
meganameservers.com	26,246	0.20	25,760	0.20	-2.83
rr.com	25,955	0.20	23,584	0.19	4.96
sta.net.cn	25,645	0.19	25,101	0.20	-2.56
servepath.com	25,494	0.19	20,070	0.16	21.14
maxim.net	25,462	0.19	24,474	0.19	-0.78
interq.or.jp	24,543	0.19	24,274	0.19	-3.57
bellglobal.com	24,159	0.18	26,392	0.21	-12.70
gnax.net	23,900	0.18	21,548	0.17	5.78
kornet.net	23,315	0.18	22,721	0.18	-2.14
readyhosting.com	23,000	0.17	22,846	0.18	-3.99
cihost.com	22,457	0.17	21,743	0.17	-1.50
swbell.net	22,182	0.17	21,443	0.17	-1.34
bsdhost.net	22,014	0.17	21,285	0.17	-1.36
aitcom.net	22,007	0.17	22,310	0.18	-5.93
cerf.net	21,938	0.17	21,893	0.17	-4.43
propagation.net	21,630	0.16	20,998	0.17	-1.76
namespace4you.de	21,402	0.16	19,717	0.16	3.52
splitinfinity.net	21,384	0.16	20,791	0.16	-1.91
gblx.net	21,187	0.16	21,346	0.17	-5.34
easynet.co.uk	20,732	0.16	20,721	0.16	-4.58
register.com	20,223	0.15	19,946	0.16	-3.31
localhost	20,183	0.15	20,667	0.16	-6.86
appliedtheory.com	20,074	0.15	20,165	0.16	-5.06
theplanet.net	19,946	0.15	20,021	0.16	-4.99
in2net.com	19,710	0.15	19,726	0.16	-4.71
sphere.ad.jp	19,644	0.15	19,592	0.16	-4.38
hosting4u.net	19,505	0.15	20,575	0.16	-9.59
pick.net	19,431	0.15	19,601	0.16	-5.46
twnic.net	19,349	0.15	19,183	0.15	-3.81
ip-plus.net	19,215	0.15	19,197	0.15	-4.54
guangzhou.gd.cn	19,113	0.14	16,406	0.13	11.11
telia.com	18,743	0.14	19,000	0.15	-5.92
harvard.net	18,690	0.14	18,931	0.15	-5.84
abac.com	18,616	0.14	18,248	0.14	-2.71
sagonet.com	18,447	0.14	16,719	0.13	5.23
bt.net	18,218	0.14	18,410	0.15	-5.63
ns.embratel.net.br	18,043	0.14	18,201	0.14	-5.46
netgate.net.nz	17,917	0.14	17,898	0.14	-4.53
fibercloud.com	17,712	0.13	14,763	0.12	14.42
clara.net	17,456	0.13	17,904	0.14	-7.02
broadwing.net	17,440	0.13	17,764	0.14	-6.37
pipex.net	17,059	0.13	17,159	0.14	-5.19
vonoc.net	17,045	0.13	16,621	0.13	-2.20
mtu.ru	16,854	0.13	16,598	0.13	-3.16
sakura.ad.jp	16,436	0.12	15,807	0.13	-0.84
4ph.com	16,082	0.12	15,688	0.12	-2.24
burst.net	15,920	0.12	15,656	0.12	-3.02
ripn.net	15,719	0.12	15,245	0.12	-1.67
medem.com	15,538	0.12	15,541	0.12	-4.65
9netave.com	15,483	0.12	15,900	0.13	-7.13
powersurge.net	15,397	0.12	15,430	0.12	-4.83
sbcidc.com	15,287	0.12	15,029	0.12	-2.99
aspadmin.com	15,278	0.12	15,138	0.12	-3.75
conepuppy.com	15,129	0.11	14,987	0.12	-3.73
algx.net	15,120	0.11	15,415	0.12	-6.46
candidhosting.com	15,063	0.11	10,382	0.08	38.37
dacom.co.kr	14,969	0.11	14,899	0.12	-4.18
dion.ne.jp	14,803	0.11	14,709	0.12	-4.02
pwebtech.com	14,652	0.11	11,963	0.09	16.81
web2010.com	14,573	0.11	14,764	0.12	-5.86
tierra.net	14,371	0.11	14,222	0.11	-3.63
hinet.net	14,282	0.11	13,699	0.11	-0.57
colt.net	14,240	0.11	14,113	0.11	-3.77
sfl.net	14,099	0.11	14,581	0.12	-7.78
webcontrolcenter.com	13,812	0.10	13,529	0.11	-2.64
vuurwerk.nl	13,491	0.10	13,465	0.11	-4.45
donhost.co.uk	13,459	0.10	12,964	0.10	-0.99
iunet.it	13,450	0.10	13,160	0.10	-2.53
nacamar.net	13,315	0.10	13,448	0.11	-5.57
sunrise.ch	13,289	0.10	13,450	0.11	-5.77
softcomca.com	13,219	0.10	13,259	0.11	-4.92
oklahoma.net	13,190	0.10	13,124	0.10	-4.15
vcommerce.com	12,948	0.10	12,805	0.10	-3.57
momentous.ca	12,762	0.10	14,560	0.12	-16.41
ns1	12,732	0.10	12,594	0.10	-3.59
fastdns.net	12,296	0.09	12,071	0.10	-2.85
national-net.com	12,199	0.09	12,108	0.10	-3.91
0catch.com	12,082	0.09	11,625	0.09	-0.88
servint.com	11,927	0.09	7,734	0.06	47.07
newaccount.com	11,881	0.09	12,971	0.10	-12.64
idc.ad.jp	11,815	0.09	11,960	0.09	-5.79
cybercity.dk	11,814	0.09	11,724	0.09	-3.90
vdi.net	11,795	0.09	11,799	0.09	-4.66
uni2.net	11,612	0.09	11,574	0.09	-4.32
ipworldcom.ca	11,460	0.09	9,999	0.08	9.30
nameservers.net	11,440	0.09	11,193	0.09	-2.53
gldn.net	11,384	0.09	11,335	0.09	-4.22
xo.com	11,309	0.09	11,604	0.09	-7.06
dellhost.com	11,275	0.09	11,327	0.09	-5.07
tiscali.nl	11,251	0.09	11,361	0.09	-5.55
ttd.net	11,240	0.08	11,076	0.09	-3.22
oghost.com.br	11,226	0.08	9,232	0.07	15.97
psi.ca	11,003	0.08	10,420	0.08	0.71
xs4all.nl	10,974	0.08	11,499	0.09	-8.98
tac.net	10,807	0.08	10,858	0.09	-5.08
fast.net	10,589	0.08	11,187	0.09	-9.73
bta.net.cn	10,581	0.08	10,092	0.08	-0.01
savvis.net	10,542	0.08	10,489	0.08	-4.15
pajo.com	10,528	0.08	10,290	0.08	-2.42
mcbone.net	10,517	0.08	10,572	0.08	-5.13
covad.net	10,473	0.08	9,705	0.08	2.92
valuehost.ru	10,377	0.08	10,100	0.08	-2.01
metronet.ca	10,371	0.08	10,495	0.08	-5.76
coop.net	10,175	0.08	8,423	0.07	15.21
net.ru	10,091	0.08	9,730	0.08	-1.09
terra.com.br	10,070	0.08	9,172	0.07	4.71
sprintsvc.net	10,004	0.08	9,491	0.08	0.52
cnc171.net	9,976	0.08	8,475	0.07	12.26
cwie.net	9,871	0.07	13,146	0.10	-28.39
psi.net	9,850	0.07	9,536	0.08	-1.49
cybercon.com	9,616	0.07	9,594	0.08	-4.41
wnclientroot.com	9,566	0.07	9,538	0.08	-4.35
laserlink.net	9,548	0.07	8,800	0.07	3.48
cpsoftwaregroup.com	9,527	0.07	9,367	0.07	-3.00
isdnet.net	9,468	0.07	8,881	0.07	1.67
swip.net	9,427	0.07	9,190	0.07	-2.17
relcom.ru	9,401	0.07	9,291	0.07	-3.50
geodns.net	9,378	0.07	8,085	0.06	10.62
california.net	9,332	0.07	9,547	0.08	-6.78
primarydns.com	9,167	0.07	9,997	0.08	-12.55
hrnoc.net	9,141	0.07	9,039	0.07	-3.55
speakeasy.net	9,103	0.07	9,028	0.07	-3.84
inet.it	9,097	0.07	9,034	0.07	-3.97
dynamicname.com	8,894	0.07	8,004	0.06	5.97
firstserver.ne.jp	8,866	0.07	8,793	0.07	-3.84
sprintnetops.net	8,804	0.07	8,774	0.07	-4.30
telstra.net	8,785	0.07	8,839	0.07	-5.21
ikp.pl	8,781	0.07	8,676	0.07	-3.48
oleane.net	8,738	0.07	8,529	0.07	-2.29
powweb.com	8,684	0.07	3,967	0.03	108.77
boca15-verio.com	8,599	0.06	8,529	0.07	-3.85
advancedaccess.com	8,585	0.06	8,493	0.07	-3.60
leodom.net	8,585	0.06	8,272	0.07	-1.02
u-net.net	8,518	0.06	8,551	0.07	-5.00
globix.net	8,479	0.06	8,003	0.06	1.04
t-online.de	8,301	0.06	8,140	0.06	-2.74
gxn.net	8,285	0.06	8,530	0.07	-7.37
gaoland.net	8,191	0.06	8,338	0.07	-6.31
datacomm.ch	8,190	0.06	8,211	0.07	-4.87
vwh1.net	8,135	0.06	8,483	0.07	-8.54
netcom.ca	8,060	0.06	8,403	0.07	-8.52
intermedia.net	7,999	0.06	7,926	0.06	-3.75
forest.net	7,985	0.06	8,064	0.06	-5.56
atworks.co.jp	7,915	0.06	7,853	0.06	-3.88
sprint-canada.net	7,910	0.06	7,343	0.06	2.73
ocn.ne.jp	7,899	0.06	7,728	0.06	-2.52
nl.net	7,845	0.06	8,100	0.06	-7.63
ns.nic.mx	7,812	0.06	7,890	0.06	-5.57
hostnoc.net	7,754	0.06	7,701	0.06	-3.97
web1000.com	7,744	0.06	7,579	0.06	-2.55
webminders.com	7,740	0.06	3,212	0.03	129.81
dv2.net	7,740	0.06	7,410	0.06	-0.38
cent.net	7,726	0.06	7,670	0.06	-3.93
bluegravity.com	7,513	0.06	7,630	0.06	-6.09
ippro.net	7,378	0.06	7,829	0.06	-10.12
ampira.com	7,367	0.06	6,956	0.06	1.00
dknet.dk	7,324	0.06	7,288	0.06	-4.16
cymitar.net	7,211	0.05	7,274	0.06	-5.46
lycos.co.jp	7,107	0.05	6,447	0.05	5.13
fatcow.com	7,092	0.05	6,877	0.05	-1.65
choopa.com	7,090	0.05	7,038	0.06	-3.93
planetonline.com	7,083	0.05	7,088	0.06	-4.70
ameritech.net	7,077	0.05	6,605	0.05	2.18
isprime.com	6,995	0.05	6,765	0.05	-1.39
oversee.net	6,981	0.05	6,547	0.05	1.69
maximumasp.com	6,939	0.05	6,752	0.05	-1.99
yipes.com	6,930	0.05	7,412	0.06	-10.83
edu.pl	6,752	0.05	8,493	0.07	-24.18
scarlet-internet.nl	6,733	0.05	6,364	0.05	0.90
vel.net	6,719	0.05	6,421	0.05	-0.20
homes.com	6,707	0.05	6,703	0.05	-4.57
ntli.net	6,681	0.05	6,651	0.05	-4.20
enta.net	6,651	0.05	7,113	0.06	-10.82
mex.ad.jp	6,552	0.05	6,643	0.05	-5.94

* 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.