Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 15831787 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 2005 Count*	May 2005 %	Apr 2005 Count*	Apr 2005 %	Growth %
algx.net	1,084,579	6.85	15,987	0.10	6560.66
bt.net	840,385	5.31	22,301	0.14	3599.79
schlund.de	590,158	3.73	575,042	3.70	0.76
theplanet.com	457,298	2.89	403,921	2.60	11.15
verio.net	299,185	1.89	296,630	1.91	-0.97
cogentco.com	254,762	1.61	94,068	0.61	165.90
uu.net	251,517	1.59	254,848	1.64	-3.10
lacnic.net	241,384	1.52	242,009	1.56	-2.07
a.dns.br	163,399	1.03	163,956	1.05	-2.15
sprintlink.net	153,434	0.97	147,406	0.95	2.20
a.dns.jp	153,430	0.97	443,559	2.85	-66.04
att.net	132,656	0.84	133,432	0.86	-2.39
level3.net	127,116	0.80	130,364	0.84	-4.27
navy.mil	118,384	0.75	1,125	0.01	10231.51
pnap.net	92,880	0.59	85,628	0.55	6.50
qwest.net	92,395	0.58	92,763	0.60	-2.21
secure.net	90,359	0.57	91,259	0.59	-2.79
savvis.net	83,514	0.53	82,669	0.53	-0.82
dns.kr	78,878	0.50	242,203	1.56	-68.03
fasthosts.net.uk	75,777	0.48	74,578	0.48	-0.24
alabanza.com	72,613	0.46	73,558	0.47	-3.08
sta.net.cn	71,618	0.45	66,404	0.43	5.89
above.net	71,200	0.45	73,893	0.48	-5.40
ovh.net	63,684	0.40	64,759	0.42	-3.45
tpnet.pl	62,750	0.40	63,089	0.41	-2.35
technorail.com	62,110	0.39	60,921	0.39	0.10
pri-dns.de	60,743	0.38	64,377	0.41	-7.36
colt.net	54,766	0.35	54,028	0.35	-0.48
earthlink.net	54,662	0.35	54,925	0.35	-2.29
dtag.de	50,692	0.32	51,588	0.33	-3.53
datasync.com	47,884	0.30	39,799	0.26	18.12
yandex.ru	47,450	0.30	50,091	0.32	-7.00
hosteurope.de	47,428	0.30	43,130	0.28	7.96
wcg.net	45,939	0.29	50,288	0.32	-10.31
rt.ru	44,851	0.28	42,012	0.27	4.81
plusserver.de	44,697	0.28	42,737	0.27	2.68
twtelecom.net	44,651	0.28	46,376	0.30	-5.47
interland.net	44,603	0.28	34,426	0.22	27.20
sakura.ad.jp	44,260	0.28	58,342	0.38	-25.52
leaseweb.nl	42,484	0.27	39,991	0.26	4.30
tele.dk	42,371	0.27	42,235	0.27	-1.50
namespace4you.de	41,953	0.26	41,102	0.26	0.21
dn.net	41,842	0.26	41,553	0.27	-1.14
ipx-server.de	39,319	0.25	36,147	0.23	6.80
your-server.de	38,384	0.24	36,782	0.24	2.46
eli.net	37,900	0.24	36,136	0.23	2.97
interbusiness.it	36,399	0.23	36,425	0.23	-1.89
masterhost.ru	36,048	0.23	33,848	0.22	4.56
swbell.net	34,748	0.22	34,558	0.22	-1.28
cihost.com	34,579	0.22	29,429	0.19	15.36
clara.net	33,617	0.21	34,035	0.22	-3.03
webfusion.co.uk	32,888	0.21	32,516	0.21	-0.70
pbi.net	30,731	0.19	31,428	0.20	-4.00
rain.fr	30,671	0.19	30,418	0.20	-1.00
widexs.nl	30,621	0.19	30,863	0.20	-2.59
rz-ip.net	30,180	0.19	27,506	0.18	7.72
pair.com	30,076	0.19	29,943	0.19	-1.38
inetbone.net	29,906	0.19	22,137	0.14	32.64
nac.net	29,819	0.19	25,046	0.16	16.89
inode.at	29,365	0.19	28,944	0.19	-0.39
proxad.net	29,354	0.19	22,131	0.14	30.22
yourhostingaccount.com	28,850	0.18	26,257	0.17	7.88
uk2.net	28,831	0.18	28,584	0.18	-0.97
proserve.nl	28,796	0.18	28,349	0.18	-0.27
concentric.net	28,753	0.18	28,052	0.18	0.63
bta.net.cn	27,545	0.17	26,482	0.17	2.12
kornet.net	27,126	0.17	63,459	0.41	-58.03
guangzhou.gd.cn	26,635	0.17	45,441	0.29	-42.45
bellsouth.net	26,601	0.17	26,939	0.17	-3.05
agarik.com	26,535	0.17	22,513	0.14	15.72
xs4all.nl	26,441	0.17	25,836	0.17	0.48
readyhosting.com	26,017	0.16	26,116	0.17	-2.19
amenworld.com	23,722	0.15	22,626	0.15	2.94
lambdanet.net	23,670	0.15	22,053	0.14	5.38
zjhzptt.net.cn	23,184	0.15	25,340	0.16	-10.17
kasserver.com	23,135	0.15	13,904	0.09	63.36
cais.com	22,980	0.15	23,619	0.15	-4.48
servidoresdns.net	22,809	0.14	22,632	0.15	-1.05
valueweb.net	22,802	0.14	22,876	0.15	-2.14
isdnet.net	21,897	0.14	20,673	0.13	3.99
bsve.net	21,891	0.14	22,673	0.15	-5.21
geodns.net	21,638	0.14	20,756	0.13	2.35
ns.embratel.net.br	21,632	0.14	22,089	0.14	-3.85
epidc.co.kr	21,259	0.13	21,959	0.14	-4.95
inflow.net	21,185	0.13	20,686	0.13	0.55
demon.co.uk	21,041	0.13	20,607	0.13	0.25
nacamar.net	20,326	0.13	20,395	0.13	-2.15
ip-plus.net	20,202	0.13	20,720	0.13	-4.27
enta.net	19,885	0.13	19,722	0.13	-1.01
sphere.ad.jp	19,544	0.12	29,165	0.19	-34.21
peer1.net	19,511	0.12	19,179	0.12	-0.12
gxn.net	19,409	0.12	19,229	0.12	-0.90
donhost.co.uk	19,181	0.12	19,214	0.12	-1.99
iomart.co.uk	19,026	0.12	18,869	0.12	-1.00
mcbone.net	18,882	0.12	18,738	0.12	-1.07
interware.hu	18,688	0.12	17,897	0.12	2.52
ripn.net	18,662	0.12	18,380	0.12	-0.31
server-dns.com	18,514	0.12	18,562	0.12	-2.07
telia.com	18,198	0.11	18,069	0.12	-1.12
nameservers.net	18,189	0.11	18,167	0.12	-1.70
rr.com	18,112	0.11	17,917	0.12	-0.75
easynet.co.uk	17,863	0.11	17,818	0.11	-1.57
localhost	17,804	0.11	23,898	0.15	-26.86
fc2.com	17,692	0.11	17,138	0.11	1.35
magic-moments.com	17,590	0.11	17,845	0.11	-3.22
pipex.net	17,314	0.11	17,540	0.11	-3.08
home.pl	16,631	0.11	16,503	0.11	-1.06
tmag.de	16,510	0.10	16,558	0.11	-2.10
gblx.net	16,413	0.10	17,620	0.11	-8.55
gldn.net	16,352	0.10	20,231	0.13	-20.64
vuurwerk.nl	16,285	0.10	16,440	0.11	-2.75
net.ru	16,151	0.10	15,007	0.10	5.66
bellglobal.com	16,045	0.10	16,187	0.10	-2.68
nmc1.ptt.js.cn	16,022	0.10	23,768	0.15	-33.82
hm23	15,929	0.10	15,378	0.10	1.70
rackspace.com	15,852	0.10	21,320	0.14	-27.00
b-one-dns.net	15,440	0.10	14,970	0.10	1.26
propagation.net	15,429	0.10	7,718	0.05	96.27
cerf.net	15,286	0.10	15,232	0.10	-1.47
softcomca.com	15,238	0.10	15,278	0.10	-2.08
kei.pl	15,162	0.10	15,206	0.10	-2.10
addr.com	15,056	0.10	15,100	0.10	-2.11
v-ns.de	14,905	0.09	14,324	0.09	2.16
utransit.net	14,877	0.09	1,184	0.01	1133.64
uslec.net	14,603	0.09	14,860	0.10	-3.52
ig.com.br	14,436	0.09	13,674	0.09	3.65
xlink.net	14,398	0.09	13,839	0.09	2.15
uunet.ca	14,326	0.09	14,237	0.09	-1.21
komplex.net	14,294	0.09	13,656	0.09	2.77
ladot.com	14,259	0.09	14,267	0.09	-1.87
uol.com.br	14,148	0.09	18,595	0.12	-25.30
isd-holland.nl	14,082	0.09	13,935	0.09	-0.78
twnic.net	14,073	0.09	30,669	0.20	-54.95
corbina.net	14,070	0.09	13,859	0.09	-0.33
mycyberhosting.com	13,761	0.09	8,473	0.05	59.45
relcom.ru	13,644	0.09	13,502	0.09	-0.79
t-online.de	13,074	0.08	12,978	0.08	-1.09
swip.net	13,054	0.08	12,740	0.08	0.60
ameritech.net	12,988	0.08	12,734	0.08	0.14
evanzo.com	12,955	0.08	12,695	0.08	0.19
teamnet.net	12,800	0.08	11,061	0.07	13.62
verio.de	12,774	0.08	12,955	0.08	-3.19
sunrise.ch	12,731	0.08	12,847	0.08	-2.71
candidhosting.com	12,682	0.08	13,117	0.08	-5.08
dimenoc.com	12,523	0.08	14,043	0.09	-12.45
netbenefit.co.uk	12,404	0.08	12,227	0.08	-0.40
fastservers.net	12,382	0.08	10,943	0.07	11.09
usen.ad.jp	12,279	0.08	13,772	0.09	-12.46
ikp.pl	12,255	0.08	12,157	0.08	-1.03
sserv.net	12,239	0.08	13,116	0.08	-8.38
splitinfinity.net	12,120	0.08	10,892	0.07	9.25
activeisp.com	12,108	0.08	11,991	0.08	-0.86
inet.it	12,103	0.08	11,707	0.08	1.50
as34305.net	11,914	0.08	0	0.00	0.00
firstserver.ne.jp	11,845	0.07	11,812	0.08	-1.55
futuro.pl	11,798	0.07	15,223	0.10	-23.91
gtei.net	11,657	0.07	11,720	0.08	-2.35
covad.com	11,629	0.07	11,884	0.08	-3.93
rtcomm.ru	11,278	0.07	8,751	0.06	26.53
home.nl	11,059	0.07	10,921	0.07	-0.58
force9.net	10,985	0.07	10,996	0.07	-1.92
tac.net	10,834	0.07	10,851	0.07	-1.97
psi.net	10,833	0.07	11,525	0.07	-7.71
ttd.net	10,775	0.07	10,866	0.07	-2.64
maxim.net	10,645	0.07	10,552	0.07	-0.95
hinet.net	10,635	0.07	20,208	0.13	-48.33
zenon.net	10,554	0.07	10,288	0.07	0.72
elassar.net	10,434	0.07	9,299	0.06	10.16
uni2.net	10,431	0.07	10,403	0.07	-1.56
iunet.it	10,375	0.07	10,553	0.07	-3.48
primarydns.com	10,306	0.07	10,310	0.07	-1.86
fastweb.it	10,292	0.07	9,978	0.06	1.27
trueserver.nl	10,086	0.06	9,631	0.06	2.82
secureserver.net	9,938	0.06	10,132	0.07	-3.70
phase8.net	9,848	0.06	9,703	0.06	-0.35
hostpoint.ch	9,820	0.06	9,630	0.06	0.12
oleane.net	9,756	0.06	9,767	0.06	-1.93
ns.nic.mx	9,672	0.06	9,644	0.06	-1.53
pajo.com	9,663	0.06	8,846	0.06	7.25
sprint-canada.net	9,614	0.06	9,916	0.06	-4.81
coop.net	9,514	0.06	9,625	0.06	-2.95
gandi.net	9,496	0.06	9,595	0.06	-2.83
ns	9,465	0.06	9,534	0.06	-2.53
coxmail.com	9,444	0.06	9,088	0.06	2.03
songnetworks.se	9,412	0.06	9,744	0.06	-5.17
netgate.net.nz	9,400	0.06	19,188	0.12	-51.90
prima.net.ar	9,372	0.06	9,331	0.06	-1.39
ns01.idc.jp	9,322	0.06	1	0.00	915134.58
spylog.com	9,267	0.06	4,696	0.03	93.75
bit.nl	9,233	0.06	9,031	0.06	0.38
cableinet.net	9,206	0.06	9,144	0.06	-1.15
globix.net	9,204	0.06	9,006	0.06	0.34
svwh.net	9,193	0.06	8,696	0.06	3.79
ocn.ne.jp	9,137	0.06	12,730	0.08	-29.53
forpsi.net	9,047	0.06	8,917	0.06	-0.39
aitcom.net	8,859	0.06	9,003	0.06	-3.39
wxs.nl	8,824	0.06	8,751	0.06	-1.00
hananet.net	8,754	0.06	37,775	0.24	-77.25
rdsnet.ro	8,752	0.06	6,605	0.04	30.09
telekom.at	8,703	0.05	8,603	0.06	-0.68
iafrica.com	8,696	0.05	8,596	0.06	-0.68
datacenter1.com.br	8,690	0.05	8,524	0.05	0.09
westmaster.com	8,655	0.05	8,456	0.05	0.49
iadvantage.net.hk	8,634	0.05	8,890	0.06	-4.65
ipipe.net	8,622	0.05	1,130	0.01	649.12
tjantik.dk	8,571	0.05	8,365	0.05	0.60
netizen.com.ar	8,553	0.05	8,619	0.06	-2.57
datanet.hu	8,443	0.05	8,087	0.05	2.50
cybercity.dk	8,391	0.05	8,462	0.05	-2.64
euroconnect.dk	8,372	0.05	8,444	0.05	-2.66
server260.com	8,354	0.05	8,022	0.05	2.24
dada.it	8,328	0.05	7,076	0.05	15.55
telus.com	8,303	0.05	4,732	0.03	72.27
interia.pl	8,286	0.05	7,951	0.05	2.32
nstool.de	8,282	0.05	9,066	0.06	-10.31
ocn.ad.jp	8,257	0.05	39,825	0.26	-79.64
active24.cz	8,180	0.05	7,959	0.05	0.91
vsnl.net.in	8,087	0.05	7,310	0.05	8.62
speedbone.de	8,050	0.05	7,728	0.05	2.27
seeweb.it	8,045	0.05	7,906	0.05	-0.09
newwebsite.com	8,044	0.05	8,173	0.05	-3.37
scannet2.dk	8,010	0.05	7,624	0.05	3.15
server-home.net	7,976	0.05	8,080	0.05	-3.08
jay.net	7,947	0.05	8,009	0.05	-2.58
newnet.co.uk	7,941	0.05	7,947	0.05	-1.89
is.co.za	7,932	0.05	7,725	0.05	0.81
telstra.net	7,931	0.05	8,150	0.05	-4.46
newedgenetworks.com	7,919	0.05	8,016	0.05	-3.01
bt.com	7,911	0.05	7,694	0.05	0.95
completel.fr	7,909	0.05	7,970	0.05	-2.57
ihost.com	7,908	0.05	6,860	0.04	13.18
fastdns.de	7,892	0.05	7,667	0.05	1.06
telecity.net	7,878	0.05	7,318	0.05	5.69
ns4.de	7,828	0.05	7,877	0.05	-2.43
datacomm.ch	7,781	0.05	7,952	0.05	-3.93
casablanca.cz	7,733	0.05	7,523	0.05	0.92
nxs.nl	7,695	0.05	5,657	0.04	33.55
nl.net	7,678	0.05	7,827	0.05	-3.69
bellatlantic.net	7,666	0.05	26	0.00	28848.01
global.net.uk	7,581	0.05	7,574	0.05	-1.73
broadwing.net	7,579	0.05	10,647	0.07	-30.11
terraempresas.com.br	7,563	0.05	7,556	0.05	-1.73
gaoland.net	7,525	0.05	7,252	0.05	1.88
songnet.fi	7,515	0.05	7,512	0.05	-1.78
u-net.net	7,449	0.05	7,475	0.05	-2.16
greatnet.de	7,442	0.05	7,571	0.05	-3.49
wtr.ru	7,441	0.05	7,379	0.05	-1.00
xo.com	7,429	0.05	7,518	0.05	-2.98
nsentry.de	7,428	0.05	7,328	0.05	-0.48

* 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.