Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 14598816 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	Mar 2005 Count*	Mar 2005 %	Feb 2005 Count*	Feb 2005 %	Growth %
schlund.de	549,660	3.77	572,716	2.45	53.88
a.dns.jp	425,218	2.91	553,521	2.36	23.17
theplanet.com	293,462	2.01	420,287	1.80	11.95
verio.net	282,882	1.94	483,907	2.07	-6.27
uu.net	254,230	1.74	521,565	2.23	-21.85
dns.kr	236,072	1.62	1,215,018	5.19	-68.85
lacnic.net	222,618	1.52	400,272	1.71	-10.83
a.dns.br	146,589	1.00	313,280	1.34	-24.98
att.net	128,718	0.88	144,500	0.62	42.82
level3.net	128,195	0.88	147,876	0.63	39.00
sprintlink.net	101,338	0.69	460,545	1.97	-64.72
qwest.net	91,705	0.63	89,282	0.38	64.69
secure.net	90,659	0.62	90,260	0.39	61.04
cogentco.com	83,926	0.57	137,466	0.59	-2.11
savvis.net	79,882	0.55	84,020	0.36	52.44
alabanza.com	73,887	0.51	73,601	0.31	60.96
interland.net	72,298	0.50	96,905	0.41	19.62
fasthosts.net.uk	71,536	0.49	76,154	0.33	50.61
above.net	67,598	0.46	91,137	0.39	18.92
kornet.net	66,119	0.45	72,048	0.31	47.14
cnc.ac.cn	64,297	0.44	61,972	0.26	66.35
sta.net.cn	63,146	0.43	94,622	0.40	7.00
proxad.net	61,881	0.42	79,627	0.34	24.60
twtelecom.net	60,668	0.42	64,968	0.28	49.72
pri-dns.de	59,889	0.41	60,128	0.26	59.70
ovh.net	59,488	0.41	67,253	0.29	41.82
technorail.com	58,013	0.40	56,060	0.24	65.92
tpnet.pl	56,880	0.39	66,830	0.29	36.46
earthlink.net	54,843	0.38	54,683	0.23	60.80
pnap.net	51,747	0.35	274,247	1.17	-69.75
sakura.ad.jp	51,044	0.35	38,085	0.16	114.89
dtag.de	50,807	0.35	48,392	0.21	68.34
cncnet.net	49,797	0.34	42,917	0.18	86.04
colt.net	45,539	0.31	54,548	0.23	33.85
rt.ru	42,390	0.29	55,965	0.24	21.44
wcg.net	41,877	0.29	88,503	0.38	-24.13
yandex.ru	41,770	0.29	0	0.00	0.00
hosteurope.de	41,036	0.28	2,385,811	10.19	-97.24
tele.dk	40,860	0.28	40,204	0.17	62.95
plusserver.de	40,107	0.27	37,150	0.16	73.10
hananet.net	39,525	0.27	50,044	0.21	26.63
namespace4you.de	39,467	0.27	37,966	0.16	66.67
ocn.ad.jp	38,601	0.26	37,975	0.16	62.98
dn.net	37,813	0.26	117,498	0.50	-48.40
interq.or.jp	37,421	0.26	36,714	0.16	63.42
interbusiness.it	36,932	0.25	49,531	0.21	19.55
guangzhou.gd.cn	36,921	0.25	32,558	0.14	81.82
dns.fz.fj.cn	36,376	0.25	38,626	0.17	51.00
clara.net	35,657	0.24	33,888	0.14	68.70
leaseweb.nl	34,354	0.24	31,296	0.13	76.00
your-server.de	33,950	0.23	107,809	0.46	-49.51
ipx-server.de	31,905	0.22	34,628	0.15	47.73
eli.net	31,620	0.22	50,457	0.22	0.48
swbell.net	31,577	0.22	39,962	0.17	26.69
pbi.net	31,261	0.21	31,637	0.14	58.43
widexs.nl	30,905	0.21	30,491	0.13	62.51
twnic.net	30,197	0.21	29,245	0.12	65.55
cnc-idc.com	29,600	0.20	24,505	0.10	93.67
pair.com	29,571	0.20	29,288	0.13	61.88
masterhost.ru	28,651	0.20	39,734	0.17	15.61
webfusion.co.uk	28,267	0.19	43,481	0.19	4.23
rain.fr	28,159	0.19	32,957	0.14	36.99
concentric.net	28,147	0.19	28,055	0.12	60.86
sphere.ad.jp	27,954	0.19	53,475	0.23	-16.19
inetbone.net	27,565	0.19	25,836	0.11	71.06
kidc.net	27,068	0.19	24,475	0.10	77.32
proserve.nl	27,008	0.19	28,992	0.12	49.36
cihost.com	26,897	0.18	27,167	0.12	58.74
inode.at	26,833	0.18	25,996	0.11	65.50
bellsouth.net	26,826	0.18	26,645	0.11	61.42
cn.net	26,609	0.18	36,064	0.15	18.30
uk2.net	26,277	0.18	19,455	0.08	116.56
servercove.com	26,027	0.18	28,555	0.12	46.14
readyhosting.com	25,954	0.18	25,565	0.11	62.77
rz-ip.net	24,632	0.17	20,277	0.09	94.77
xs4all.nl	23,885	0.16	21,459	0.09	78.46
valueweb.net	22,978	0.16	22,942	0.10	60.59
nac.net	22,878	0.16	21,522	0.09	70.44
bsve.net	22,578	0.15	22,425	0.10	61.43
mtu.ru	22,572	0.15	22,197	0.09	63.04
epidc.co.kr	22,552	0.15	270,678	1.16	-86.64
nmc1.ptt.js.cn	22,473	0.15	22,153	0.09	62.65
bt.net	22,370	0.15	21,885	0.09	63.89
servidoresdns.net	22,104	0.15	21,414	0.09	65.50
nacamar.net	21,156	0.14	21,124	0.09	60.58
kasserver.com	21,105	0.14	15,947	0.07	112.19
cais.com	20,939	0.14	19,928	0.09	68.47
amenworld.com	20,778	0.14	25,343	0.11	31.45
zjhzptt.net.cn	20,728	0.14	18,264	0.08	81.97
ns.embratel.net.br	20,720	0.14	25,432	0.11	30.63
ip-plus.net	20,530	0.14	20,565	0.09	60.06
gldn.net	20,398	0.14	20,144	0.09	62.36
hinet.net	19,850	0.14	19,088	0.08	66.74
dion.ne.jp	19,742	0.14	19,332	0.08	63.74
gblx.net	19,635	0.13	18,640	0.08	68.89
enta.net	19,533	0.13	19,211	0.08	63.02
inflow.net	19,435	0.13	25,003	0.11	24.63
donhost.co.uk	19,133	0.13	18,623	0.08	64.73
netgate.net.nz	19,112	0.13	19,080	0.08	60.60
bta.net.cn	19,053	0.13	52,272	0.22	-41.56
yourhostingaccount.com	18,799	0.13	70,538	0.30	-57.27
peer1.net	18,664	0.13	17,118	0.07	74.82
geodns.net	18,582	0.13	18,202	0.08	63.68
server-dns.com	18,433	0.13	14,782	0.06	99.94
localhost	18,294	0.13	17,678	0.08	65.92
ripn.net	18,198	0.12	17,732	0.08	64.55
mcbone.net	18,108	0.12	17,412	0.07	66.74
nameservers.net	18,061	0.12	17,842	0.08	62.30
lambdanet.net	17,783	0.12	16,847	0.07	69.24
isdnet.net	17,779	0.12	17,552	0.07	62.41
dacom.co.kr	17,743	0.12	16,885	0.07	68.48
magic-moments.com	17,735	0.12	17,468	0.07	62.79
pipex.net	17,538	0.12	17,592	0.08	59.84
demon.co.uk	17,400	0.12	38,899	0.17	-28.28
telia.com	17,355	0.12	30,200	0.13	-7.86
rr.com	16,899	0.12	23,394	0.10	15.82
home.pl	16,868	0.12	16,373	0.07	65.18
agarik.com	16,856	0.12	185,107	0.79	-85.40
easynet.co.uk	16,578	0.11	19,461	0.08	36.58
vuurwerk.nl	16,367	0.11	16,207	0.07	61.92
fc2.com	16,041	0.11	15,233	0.07	68.84
uol.com.br	15,927	0.11	15,016	0.06	70.06
inet.it	15,746	0.11	15,332	0.07	64.66
gxn.net	15,629	0.11	15,176	0.06	65.12
interware.hu	15,396	0.11	27,035	0.12	-8.69
futuro.pl	15,268	0.10	14,938	0.06	63.88
hm23	15,127	0.10	14,590	0.06	66.24
softcomca.com	15,114	0.10	14,946	0.06	62.14
addr.com	15,079	0.10	14,462	0.06	67.18
tmag.de	14,975	0.10	14,813	0.06	62.09
cnuninet.net	14,855	0.10	14,495	0.06	64.32
cerf.net	14,829	0.10	14,417	0.06	64.92
bellglobal.com	14,753	0.10	20,247	0.09	16.83
algx.net	14,745	0.10	14,860	0.06	59.09
uslec.net	14,610	0.10	13,246	0.06	76.85
kei.pl	14,385	0.10	14,095	0.06	63.63
valuehost.ru	14,255	0.10	14,024	0.06	62.98
b-one-dns.net	14,122	0.10	13,334	0.06	69.81
ladot.com	14,003	0.10	13,783	0.06	62.89
rackspace.com	13,971	0.10	89,314	0.38	-74.92
uunet.ca	13,744	0.09	41,533	0.18	-46.94
isd-holland.nl	13,572	0.09	12,227	0.05	77.97
relcom.ru	13,223	0.09	12,948	0.06	63.74
verio.de	13,110	0.09	13,256	0.06	58.57
iomart.co.uk	13,010	0.09	7,367	0.03	183.15
net.ru	12,874	0.09	10,060	0.04	105.18
sserv.net	12,804	0.09	11,135	0.05	84.37
covad.com	12,752	0.09	13,623	0.06	50.08
candidhosting.com	12,590	0.09	12,383	0.05	63.01
sunrise.ch	12,550	0.09	12,892	0.06	56.08
t-online.de	12,524	0.09	12,153	0.05	65.23
swip.net	12,503	0.09	12,228	0.05	63.94
ameritech.net	12,483	0.09	12,124	0.05	65.08
xlink.net	12,463	0.09	11,201	0.05	78.40
ocn.ne.jp	12,456	0.09	12,158	0.05	64.26
corbina.net	12,454	0.09	12,891	0.06	54.90
usen.ad.jp	12,142	0.08	11,076	0.05	75.77
gtei.net	12,112	0.08	11,753	0.05	65.23
ikp.pl	11,972	0.08	11,987	0.05	60.13
netbenefit.co.uk	11,930	0.08	11,499	0.05	66.34
firstserver.ne.jp	11,658	0.08	11,494	0.05	62.62
activeisp.com	11,633	0.08	11,401	0.05	63.60
propagation.net	11,492	0.08	11,424	0.05	61.29
evanzo.com	11,395	0.08	10,845	0.05	68.47
psi.net	11,338	0.08	11,336	0.05	60.36
mex.ad.jp	11,130	0.08	10,831	0.05	64.76
telus.com	10,881	0.07	26,557	0.11	-34.31
tac.net	10,863	0.07	10,697	0.05	62.82
ttd.net	10,794	0.07	11,006	0.05	57.25
force9.net	10,766	0.07	10,593	0.05	62.95
v-ns.de	10,764	0.07	14,683	0.06	17.54
komplex.net	10,760	0.07	29,355	0.13	-41.23
home.nl	10,581	0.07	10,088	0.04	68.17
maxim.net	10,474	0.07	12,053	0.05	39.33
uni2.net	10,473	0.07	10,555	0.05	59.09
iunet.it	10,334	0.07	10,158	0.04	63.11
primarydns.com	10,284	0.07	10,472	0.04	57.46
atworks.co.jp	10,109	0.07	10,188	0.04	59.09
secureserver.net	10,058	0.07	9,971	0.04	61.73
sprint-canada.net	10,050	0.07	10,583	0.05	52.26
euroaccess.nl	10,008	0.07	8,714	0.04	84.14
zenon.net	10,005	0.07	9,802	0.04	63.66
cwidc.net	9,960	0.07	9,397	0.04	69.94
fastweb.it	9,923	0.07	9,342	0.04	70.31
cnc-idc.net	9,903	0.07	8,229	0.04	92.95
songnetworks.se	9,853	0.07	9,937	0.04	58.98
oleane.net	9,562	0.07	9,499	0.04	61.40
ns.nic.mx	9,523	0.07	9,425	0.04	62.00
gandi.net	9,490	0.07	9,449	0.04	61.03
net.edu.cn	9,432	0.06	8,885	0.04	70.21
ns	9,425	0.06	9,853	0.04	53.37
aitcom.net	9,274	0.06	9,544	0.04	55.80
hostpoint.ch	9,262	0.06	0	0.00	0.00
globix.net	9,143	0.06	9,052	0.04	61.95
telepac.pt	9,070	0.06	8,651	0.04	68.10
idc.ad.jp	8,986	0.06	9,125	0.04	57.89
cableinet.net	8,876	0.06	8,827	0.04	61.22
coxmail.com	8,862	0.06	9,353	0.04	51.92
pajo.com	8,820	0.06	8,756	0.04	61.51
trueserver.nl	8,810	0.06	8,251	0.04	71.20
iadvantage.net.hk	8,790	0.06	8,694	0.04	62.11
prima.net.ar	8,736	0.06	23,079	0.10	-39.31
bit.nl	8,714	0.06	8,524	0.04	63.91
phase8.net	8,666	0.06	8,164	0.03	70.19
forpsi.net	8,651	0.06	6,163	0.03	125.06
netizen.com.ar	8,585	0.06	5,878	0.03	134.17
euroconnect.dk	8,498	0.06	8,388	0.04	62.44
datacenter1.com.br	8,469	0.06	9,044	0.04	50.14
sdjnptt.net.cn	8,433	0.06	4,435	0.02	204.87
cybercity.dk	8,429	0.06	8,512	0.04	58.77
wxs.nl	8,416	0.06	8,133	0.03	65.91
tjantik.dk	8,374	0.06	8,351	0.04	60.78
telekom.at	8,365	0.06	8,165	0.03	64.26
iafrica.com	8,288	0.06	8,031	0.03	65.47
gatel.net	8,144	0.06	7,130	0.03	83.14
nova.net.cn	8,091	0.06	3,093	0.01	319.42
datacomm.ch	8,085	0.06	8,141	0.03	59.23
rtcomm.ru	8,050	0.06	7,740	0.03	66.76
broadwing.net	8,050	0.06	27,203	0.12	-52.55
zjnbptt.net.cn	8,029	0.05	5,524	0.02	133.04
telstra.net	7,981	0.05	7,976	0.03	60.44
nl.net	7,965	0.05	8,077	0.03	58.11
ba-dsg.net	7,920	0.05	7,289	0.03	74.21
cablecom.net	7,920	0.05	8,283	0.04	53.31
server-home.net	7,844	0.05	7,597	0.03	65.55
westmaster.com	7,793	0.05	7,699	0.03	62.29
bt.com	7,786	0.05	7,694	0.03	62.25
jay.net	7,768	0.05	7,811	0.03	59.45
ns4.de	7,760	0.05	7,669	0.03	62.24
newnet.co.uk	7,735	0.05	7,375	0.03	68.16
newwebsite.com	7,709	0.05	7,755	0.03	59.38
newedgenetworks.com	7,696	0.05	17,333	0.07	-28.81
seeweb.it	7,682	0.05	7,382	0.03	66.85
speakeasy.net	7,671	0.05	7,550	0.03	62.90
is.co.za	7,667	0.05	7,556	0.03	62.69
axelero.hu	7,654	0.05	6,123	0.03	100.42
xo.com	7,619	0.05	7,737	0.03	57.89
scannet2.dk	7,602	0.05	7,553	0.03	61.37
u-net.net	7,585	0.05	7,554	0.03	60.99
completel.fr	7,544	0.05	7,760	0.03	55.87
global.net.uk	7,532	0.05	7,498	0.03	61.06
9netave.com	7,503	0.05	7,625	0.03	57.77
vsnl.net.in	7,455	0.05	7,251	0.03	64.85
terraempresas.com.br	7,440	0.05	7,339	0.03	62.54
gaoland.net	7,433	0.05	7,507	0.03	58.75
active24.cz	7,410	0.05	0	0.00	0.00
server260.com	7,385	0.05	6,838	0.03	73.16
boca15-verio.com	7,381	0.05	7,392	0.03	60.10
inecnet.cz	7,373	0.05	6,206	0.03	90.48
greatnet.de	7,329	0.05	7,167	0.03	63.96

* 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.