Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 16394727 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	Sep 2005 Count*	Sep 2005 %	Aug 2005 Count*	Aug 2005 %	Growth %
schlund.de	629,021	3.84	622,171	3.85	-0.40
theplanet.com	500,488	3.05	488,754	3.03	0.88
a.dns.jp	463,572	2.83	456,401	2.83	0.06
verio.net	292,291	1.78	294,866	1.83	-2.35
dns.kr	261,626	1.60	262,783	1.63	-1.92
lacnic.net	254,323	1.55	253,030	1.57	-0.98
uu.net	218,217	1.33	222,462	1.38	-3.37
a.dns.br	173,782	1.06	172,469	1.07	-0.74
sprintlink.net	150,017	0.92	171,542	1.06	-13.85
att.net	123,799	0.76	127,223	0.79	-4.14
level3.net	122,681	0.75	120,928	0.75	-0.06
cogentco.com	120,564	0.74	113,329	0.70	4.80
pnap.net	95,649	0.58	95,273	0.59	-1.10
savvis.net	91,351	0.56	86,054	0.53	4.58
qwest.net	89,306	0.54	88,960	0.55	-1.10
secure.net	88,970	0.54	88,661	0.55	-1.14
cnc.ac.cn	87,375	0.53	84,888	0.53	1.40
sta.net.cn	80,742	0.49	80,058	0.50	-0.64
fasthosts.net.uk	79,587	0.49	79,468	0.49	-1.34
interland.net	75,740	0.46	74,481	0.46	0.18
sakura.ad.jp	75,076	0.46	70,240	0.43	5.30
technorail.com	75,005	0.46	69,897	0.43	5.71
alabanza.com	70,697	0.43	71,020	0.44	-1.93
above.net	62,479	0.38	60,548	0.37	1.66
pri-dns.de	61,253	0.37	61,527	0.38	-1.93
rt.ru	58,836	0.36	57,235	0.35	1.27
tpnet.pl	57,800	0.35	62,345	0.39	-8.67
kornet.net	57,736	0.35	58,195	0.36	-2.26
ovh.net	55,565	0.34	57,070	0.35	-4.08
cncnet.net	54,920	0.33	49,682	0.31	8.90
leaseweb.nl	52,884	0.32	49,747	0.31	4.73
hosteurope.de	52,446	0.32	50,655	0.31	2.00
tele.dk	52,339	0.32	51,876	0.32	-0.61
your-server.de	52,324	0.32	48,484	0.30	6.32
yandex.ru	51,841	0.32	55,014	0.34	-7.17
cihost.com	50,689	0.31	46,749	0.29	6.82
guangzhou.gd.cn	49,498	0.30	46,223	0.29	5.49
proxad.net	47,550	0.29	43,093	0.27	8.70
plusserver.de	46,483	0.28	49,880	0.31	-8.20
dtag.de	46,386	0.28	45,922	0.28	-0.49
namespace4you.de	45,363	0.28	43,713	0.27	2.23
ipx-server.de	44,725	0.27	43,223	0.27	1.94
eli.net	43,692	0.27	40,152	0.25	7.20
peer1.net	43,681	0.27	24,231	0.15	77.59
cnc-idc.com	43,449	0.27	29,763	0.18	43.81
twtelecom.net	41,860	0.26	42,902	0.27	-3.88
dns.fz.fj.cn	41,269	0.25	37,552	0.23	8.26
ocn.ad.jp	41,098	0.25	40,081	0.25	1.01
interq.or.jp	40,992	0.25	40,531	0.25	-0.37
dn.net	38,925	0.24	44,469	0.28	-13.77
agarik.com	38,528	0.24	39,260	0.24	-3.32
masterhost.ru	36,903	0.23	36,599	0.23	-0.67
cn.net	36,494	0.22	35,280	0.22	1.90
rz-ip.net	36,192	0.22	34,445	0.21	3.51
clara.net	36,149	0.22	36,201	0.22	-1.63
interbusiness.it	35,608	0.22	35,037	0.22	0.12
colt.net	35,560	0.22	33,589	0.21	4.29
hananet.net	35,533	0.22	31,966	0.20	9.51
swbell.net	34,167	0.21	33,849	0.21	-0.56
inetbone.net	34,042	0.21	26,457	0.16	26.76
sphere.ad.jp	33,919	0.21	31,190	0.19	7.13
datasync.com	32,497	0.20	51,341	0.32	-37.64
wcg.net	31,665	0.19	41,448	0.26	-24.74
widexs.nl	31,030	0.19	30,834	0.19	-0.86
pair.com	31,028	0.19	30,836	0.19	-0.87
rain.fr	30,953	0.19	29,753	0.18	2.49
kidc.net	30,927	0.19	30,372	0.19	0.31
twnic.net	30,583	0.19	30,946	0.19	-2.64
concentric.net	30,207	0.18	29,739	0.18	0.06
zjhzptt.net.cn	29,993	0.18	27,966	0.17	5.65
inode.at	29,853	0.18	31,014	0.19	-5.17
nac.net	29,649	0.18	28,334	0.18	3.09
yourhostingaccount.com	28,917	0.18	37,911	0.23	-24.86
bta.net.cn	28,485	0.17	28,381	0.18	-1.13
pbi.net	28,457	0.17	28,479	0.18	-1.56
xs4all.nl	28,288	0.17	27,491	0.17	1.37
localhost	27,980	0.17	24,326	0.15	13.31
cais.com	27,424	0.17	25,974	0.16	4.01
lambdanet.net	27,056	0.17	25,101	0.16	6.19
bellsouth.net	26,096	0.16	26,285	0.16	-2.19
geodns.net	25,655	0.16	20,599	0.13	22.69
amenworld.com	24,968	0.15	24,724	0.15	-0.51
vericenter.com	24,768	0.15	24,499	0.15	-0.40
servidoresdns.net	24,504	0.15	24,003	0.15	0.57
proserve.nl	24,464	0.15	23,714	0.15	1.63
uk2.net	24,358	0.15	24,518	0.15	-2.13
webfusion.co.uk	24,325	0.15	24,930	0.15	-3.88
nmc1.ptt.js.cn	23,830	0.15	22,266	0.14	5.43
gxn.net	22,681	0.14	27,108	0.17	-17.57
inflow.net	22,530	0.14	21,922	0.14	1.25
epidc.co.kr	22,431	0.14	21,923	0.14	0.80
demon.co.uk	22,217	0.14	21,910	0.14	-0.11
interware.hu	21,628	0.13	20,625	0.13	3.30
mcbone.net	21,506	0.13	19,761	0.12	7.21
easynet.co.uk	21,311	0.13	20,844	0.13	0.72
fc2.com	20,760	0.13	20,030	0.12	2.10
propagation.net	20,508	0.13	15,784	0.10	28.00
iomart.co.uk	20,500	0.13	20,254	0.13	-0.29
valueweb.net	20,484	0.12	20,530	0.13	-1.71
enta.net	20,357	0.12	20,331	0.13	-1.36
hinet.net	20,232	0.12	20,720	0.13	-3.81
dion.ne.jp	20,225	0.12	20,085	0.12	-0.80
isdnet.net	20,193	0.12	22,815	0.14	-12.81
ns01.idc.jp	20,146	0.12	19,929	0.12	-0.41
net.ru	20,062	0.12	18,895	0.12	4.60
ns.embratel.net.br	20,048	0.12	21,913	0.14	-9.87
nacamar.net	19,827	0.12	19,999	0.12	-2.33
mycyberhosting.com	19,659	0.12	17,712	0.11	9.34
ip-plus.net	19,544	0.12	19,423	0.12	-0.87
donhost.co.uk	19,500	0.12	4,500	0.03	326.89
gldn.net	19,451	0.12	18,943	0.12	1.16
telia.com	19,253	0.12	19,119	0.12	-0.80
nameservers.net	18,699	0.11	18,571	0.11	-0.81
rackspace.com	18,591	0.11	18,972	0.12	-3.46
rr.com	18,465	0.11	18,587	0.12	-2.13
server-dns.com	18,416	0.11	18,350	0.11	-1.13
spylog.com	17,998	0.11	15,621	0.10	13.50
uol.com.br	17,910	0.11	16,944	0.10	4.13
b-one-dns.net	17,841	0.11	16,972	0.11	3.56
home.pl	17,791	0.11	17,380	0.11	0.84
ripn.net	17,721	0.11	17,112	0.11	2.02
bt.net	17,536	0.11	17,416	0.11	-0.81
xlink.net	17,455	0.11	16,593	0.10	3.63
bellglobal.com	17,202	0.10	16,924	0.10	0.13
tmag.de	17,068	0.10	16,588	0.10	1.36
bsve.net	16,874	0.10	16,574	0.10	0.30
magic-moments.com	16,774	0.10	16,748	0.10	-1.33
hm23	16,652	0.10	16,709	0.10	-1.82
gblx.net	16,561	0.10	16,503	0.10	-1.14
pipex.net	16,526	0.10	16,487	0.10	-1.25
vuurwerk.nl	16,474	0.10	16,408	0.10	-1.09
isd-holland.nl	16,442	0.10	15,946	0.10	1.58
usen.ad.jp	16,087	0.10	14,450	0.09	9.67
uunet.ca	15,888	0.10	15,970	0.10	-1.99
cninet.co.kr	15,550	0.09	17,692	0.11	-13.41
softcomca.com	15,237	0.09	15,241	0.09	-1.51
ameritech.net	15,153	0.09	14,972	0.09	-0.30
kei.pl	15,129	0.09	15,126	0.09	-1.47
uslec.net	15,086	0.09	15,214	0.09	-2.32
corbina.net	15,005	0.09	14,757	0.09	0.17
v-ns.de	14,957	0.09	14,365	0.09	2.57
addr.com	14,641	0.09	1	0.00	1442238.53
ladot.com	14,576	0.09	14,291	0.09	0.48
inet.it	14,572	0.09	12,948	0.08	10.87
dacom.co.kr	14,542	0.09	15,571	0.10	-8.00
kasserver.com	14,540	0.09	14,365	0.09	-0.29
layeredtech.com	14,190	0.09	13,377	0.08	4.50
as34305.net	14,183	0.09	12,666	0.08	10.31
rtcomm.ru	14,029	0.09	13,029	0.08	6.07
evanzo.com	13,844	0.08	13,687	0.08	-0.36
relcom.ru	13,805	0.08	12,363	0.08	10.00
splitinfinity.net	13,547	0.08	13,383	0.08	-0.28
swip.net	13,514	0.08	13,148	0.08	1.26
ocn.ne.jp	13,472	0.08	13,149	0.08	0.93
utransit.net	13,371	0.08	14,729	0.09	-10.57
candidhosting.com	13,075	0.08	13,074	0.08	-1.48
fastweb.it	12,717	0.08	12,209	0.08	2.61
netbenefit.co.uk	12,701	0.08	12,652	0.08	-1.10
sunrise.ch	12,568	0.08	12,521	0.08	-1.12
ig.com.br	12,441	0.08	12,110	0.07	1.21
activeisp.com	12,307	0.08	11,810	0.07	2.66
verio.de	12,282	0.07	12,373	0.08	-2.21
firstserver.ne.jp	12,266	0.07	12,137	0.08	-0.44
cerf.net	12,229	0.07	15,871	0.10	-24.09
nxs.nl	12,045	0.07	9,745	0.06	21.76
ikp.pl	12,037	0.07	10,601	0.07	11.86
ctid.com.cn	12,013	0.07	4,433	0.03	166.96
trueserver.nl	11,745	0.07	10,664	0.07	8.50
futuro.pl	11,711	0.07	11,314	0.07	1.97
gtei.net	11,606	0.07	11,556	0.07	-1.06
home.nl	11,587	0.07	11,485	0.07	-0.61
teamnet.net	11,423	0.07	10,210	0.06	10.22
sserv.net	11,383	0.07	11,031	0.07	1.66
cnuninet.net	11,334	0.07	10,755	0.07	3.82
force9.net	11,226	0.07	11,149	0.07	-0.81
mex.ad.jp	11,084	0.07	10,823	0.07	0.89
zenon.net	11,030	0.07	10,891	0.07	-0.23
ttd.net	10,968	0.07	10,883	0.07	-0.72
komplex.net	10,866	0.07	15,819	0.10	-32.33
gngidc.net	10,681	0.07	15,162	0.09	-30.60
tac.net	10,637	0.06	10,444	0.06	0.33
atworks.co.jp	10,606	0.06	10,696	0.07	-2.32
datanet.hu	10,602	0.06	10,041	0.06	4.02
covad.com	10,523	0.06	10,780	0.07	-3.83
fastservers.net	10,461	0.06	0	0.00	0.00
net.edu.cn	10,380	0.06	9,003	0.06	13.58
iunet.it	10,336	0.06	10,388	0.06	-1.98
pajo.com	10,266	0.06	10,934	0.07	-7.50
hosting4u.net	10,257	0.06	10,182	0.06	-0.76
hostpoint.ch	10,137	0.06	9,670	0.06	3.27
uni2.net	10,066	0.06	10,063	0.06	-1.46
oleane.net	10,060	0.06	9,908	0.06	0.02
prima.net.ar	9,937	0.06	9,483	0.06	3.23
bit.nl	9,909	0.06	9,682	0.06	0.82
ttnet.net.tr	9,857	0.06	7,525	0.05	29.04
ipipe.net	9,836	0.06	10,272	0.06	-5.67
a.ns.mx	9,792	0.06	9,818	0.06	-1.75
netgate.net.nz	9,785	0.06	9,965	0.06	-3.27
server260.com	9,776	0.06	9,474	0.06	1.65
songnetworks.se	9,714	0.06	9,691	0.06	-1.25
completel.fr	9,603	0.06	9,325	0.06	1.45
forpsi.net	9,512	0.06	9,275	0.06	1.03
coop.net	9,494	0.06	9,455	0.06	-1.08
wxs.nl	9,484	0.06	9,279	0.06	0.69
secureserver.net	9,481	0.06	9,571	0.06	-2.41
dnspro.de	9,479	0.06	9,204	0.06	1.46
gandi.net	9,434	0.06	9,407	0.06	-1.20
nova.net.cn	9,382	0.06	8,997	0.06	2.73
sil.at	9,333	0.06	8,546	0.05	7.59
theplanet.net	9,311	0.06	8,879	0.05	3.31
scannet2.dk	9,303	0.06	8,947	0.06	2.43
viennaweb.at	9,301	0.06	8,773	0.05	4.44
interia.pl	9,234	0.06	9,004	0.06	1.03
elassar.net	9,219	0.06	11,544	0.07	-21.33
telekom.at	9,161	0.06	8,862	0.05	1.84
cableinet.net	9,142	0.06	9,016	0.06	-0.11
earthlink.net	9,139	0.06	30,093	0.19	-70.08
terra.com.br	9,114	0.06	8,777	0.05	2.30
coxmail.com	9,090	0.06	8,928	0.06	0.30
westmaster.com	9,030	0.06	8,906	0.06	-0.11
globix.net	9,019	0.06	8,997	0.06	-1.25
iafrica.com	8,893	0.05	8,897	0.06	-1.53
artfiles.de	8,871	0.05	8,407	0.05	3.95
di-net.ru	8,822	0.05	7,727	0.05	12.47
psi.net	8,818	0.05	8,681	0.05	0.07
tjantik.dk	8,798	0.05	8,760	0.05	-1.06
eunet.cz	8,776	0.05	4,203	0.03	105.70
sprint-canada.net	8,758	0.05	8,628	0.05	0.00
iadvantage.net.hk	8,752	0.05	8,738	0.05	-1.33
seeweb.it	8,750	0.05	8,440	0.05	2.13
svwh.net	8,695	0.05	9,004	0.06	-4.87
active24.cz	8,690	0.05	9,389	0.06	-8.82
t-online.hu	8,646	0.05	8,355	0.05	1.94
casablanca.cz	8,637	0.05	8,510	0.05	-0.02
abovenet.de	8,587	0.05	5,914	0.04	43.04
primarydns.com	8,553	0.05	8,345	0.05	0.97
newnet.co.uk	8,457	0.05	8,125	0.05	2.54
castel.nl	8,340	0.05	7,288	0.05	12.73
datacenter1.com.br	8,325	0.05	7,918	0.05	3.58
it.net	8,310	0.05	7,757	0.05	5.54
aitcom.net	8,293	0.05	8,329	0.05	-1.91
tiscalinet.it	8,256	0.05	7,614	0.05	6.82
server-home.net	8,246	0.05	8,010	0.05	1.42
bellatlantic.net	8,212	0.05	8,016	0.05	0.92
qsc.de	8,212	0.05	7,784	0.05	3.93
broadwing.net	8,212	0.05	8,203	0.05	-1.38
t-online.de	8,192	0.05	7,983	0.05	1.09
jay.net	8,124	0.05	8,099	0.05	-1.18
greatnet.de	8,124	0.05	7,851	0.05	1.94
cablecom.net	8,005	0.05	7,759	0.05	1.64

* 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.