Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 63297440 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	Feb 2012 Count*	Feb 2012 %	Jan 2012 Count*	Jan 2012 %	Growth %
theplanet.com	2,035,525	3.22	2,088,465	3.33	-3.34
schlund.de	1,883,684	2.98	1,863,887	2.97	0.22
networklayer.com	1,759,966	2.78	1,799,637	2.87	-3.02
secureserver.net	1,706,396	2.70	1,689,352	2.69	0.17
y.dns.jp	1,513,139	2.39	1,531,003	2.44	-1.99
ovh.net	1,308,921	2.07	1,339,323	2.13	-3.08
your-server.de	1,226,573	1.94	1,231,052	1.96	-1.19
a.in-addr.cn	968,323	1.53	943,790	1.50	1.75
global-datacenter.com	846,097	1.34	803,229	1.28	4.46
sakura.ad.jp	827,720	1.31	818,079	1.30	0.34
rackspace.com	820,328	1.30	826,330	1.32	-1.55
lacnic.net	725,679	1.15	736,573	1.17	-2.30
bluehost.com	715,015	1.13	700,668	1.12	1.20
softlayer.com	712,633	1.13	673,550	1.07	4.92
dreamhost.com	572,846	0.91	569,481	0.91	-0.24
yourhostingaccount.com	521,871	0.82	516,467	0.82	0.21
amazon.com	497,597	0.79	485,107	0.77	1.72
dns.kr	497,354	0.79	476,827	0.76	3.44
a.dns.br	465,234	0.73	464,803	0.74	-0.74
peer1.net	451,344	0.71	471,639	0.75	-5.10
1and1.com	436,248	0.69	437,296	0.70	-1.07
twnic.net	435,710	0.69	425,154	0.68	1.63
leaseweb.nl	427,594	0.68	399,748	0.64	6.08
ntt.net	410,450	0.65	414,373	0.66	-1.77
ns	394,595	0.62	377,738	0.60	3.60
zjnbptt.net.cn	373,667	0.59	375,710	0.60	-1.37
guangzhou.gd.cn	351,534	0.56	352,415	0.56	-1.08
proxad.net	349,084	0.55	333,571	0.53	3.78
hosteurope.de	341,424	0.54	336,810	0.54	0.53
technorail.com	332,961	0.53	329,588	0.53	0.18
pnap.net	311,022	0.49	300,886	0.48	2.51
mediatemple.net	304,801	0.48	298,960	0.48	1.11
singlehop.net	303,184	0.48	258,035	0.41	16.52
interq.or.jp	277,295	0.44	309,055	0.49	-11.02
b-one-dns.net	272,096	0.43	255,929	0.41	5.43
xlink.net	266,571	0.42	240,714	0.38	9.82
level3.net	264,200	0.42	266,572	0.42	-1.71
localhost	263,608	0.42	275,874	0.44	-5.24
sourcedns.com	253,046	0.40	249,599	0.40	0.54
intergenia.de	249,595	0.39	248,380	0.40	-0.34
sta.net.cn	249,347	0.39	239,233	0.38	3.36
iweb-hosting.com	244,311	0.39	239,281	0.38	1.25
namespace4you.de	243,154	0.38	239,124	0.38	0.84
cogentco.com	239,464	0.38	223,672	0.36	6.17
dns.fz.fj.cn	228,354	0.36	218,257	0.35	3.76
kasserver.com	221,986	0.35	218,187	0.35	0.90
home.pl	212,512	0.34	209,194	0.33	0.74
nmc1.ptt.js.cn	198,122	0.31	199,305	0.32	-1.42
dimenoc.com	190,637	0.30	190,176	0.30	-0.59
geodns.net	188,726	0.30	184,525	0.29	1.43
yandex.ru	188,067	0.30	184,874	0.29	0.88
savvis.net	184,487	0.29	183,982	0.29	-0.56
servercentral.net	180,025	0.28	186,987	0.30	-4.52
slicehost.net	174,751	0.28	170,790	0.27	1.47
masterhost.ru	167,616	0.26	166,149	0.26	0.05
linode.com	167,031	0.26	155,075	0.25	6.82
gtei.net	163,875	0.26	167,654	0.27	-3.07
netart.pl	163,143	0.26	161,617	0.26	0.11
mainnameserver.com	162,984	0.26	158,171	0.25	2.19
cais.com	159,655	0.25	140,051	0.22	13.05
rz-ip.net	154,605	0.24	152,892	0.24	0.28
sparqnet.net	150,185	0.24	135,654	0.22	9.79
msft.net	148,728	0.23	152,808	0.24	-3.48
gldn.net	146,437	0.23	131,981	0.21	10.03
dion.ne.jp	143,087	0.23	136,935	0.22	3.63
lunarpages.com	142,898	0.23	143,648	0.23	-1.35
jump.ro	142,602	0.23	129,565	0.21	9.15
zzidc.com	139,124	0.22	150,173	0.24	-8.13
burst.net	137,314	0.22	133,465	0.21	2.03
secure.net	133,911	0.21	132,897	0.21	-0.07
pwebtech.com	133,874	0.21	128,716	0.21	3.14
fasthosts.net.uk	132,569	0.21	133,563	0.21	-1.57
ucoz.net	132,447	0.21	82,852	0.13	58.53
servint.com	128,194	0.20	126,406	0.20	0.57
he.net	122,961	0.19	118,552	0.19	2.86
ocn.ad.jp	122,670	0.19	123,180	0.20	-1.24
relax.ru	121,412	0.19	106,611	0.17	12.94
gnax.net	121,234	0.19	138,147	0.22	-12.97
ns01.idc.jp	120,952	0.19	119,460	0.19	0.41
carpathiahost.net	119,305	0.19	119,874	0.19	-1.30
bta.net.cn	119,256	0.19	117,615	0.19	0.55
uu.net	117,677	0.19	104,054	0.17	12.15
datadragon.net	115,987	0.18	101,178	0.16	13.69
pri-dns.de	115,653	0.18	134,307	0.21	-14.60
confluence-networks.com	115,585	0.18	100,175	0.16	14.43
vpls.net	114,640	0.18	113,564	0.18	0.11
locaweb.com.br	112,089	0.18	110,086	0.18	0.97
silkroadtechnologies.com	111,899	0.18	115,921	0.18	-4.27
tfn.net.tw	111,769	0.18	107,518	0.17	3.09
phatservers.com	111,260	0.18	106,504	0.17	3.60
trellian.com	109,666	0.17	113,493	0.18	-4.17
iprevolution.co.jp	109,200	0.17	106,333	0.17	1.84
pair.com	107,059	0.17	106,945	0.17	-0.72
cncnet.net	103,942	0.16	94,415	0.15	9.18
net.ru	103,785	0.16	102,873	0.16	0.05
untd.com	102,955	0.16	100,283	0.16	1.81
nethost.cz	102,047	0.16	99,375	0.16	1.84
afrinic.net	99,694	0.16	97,577	0.16	1.32
lnhi.net	98,197	0.16	99,126	0.16	-1.76
rt-comm.ru	98,036	0.15	91,095	0.15	6.73
westmaster.com	98,001	0.15	110,988	0.18	-12.43
att.net	96,835	0.15	93,083	0.15	3.17
ns1.xserver.jp	96,812	0.15	93,246	0.15	2.96
ripn.net	93,838	0.15	93,061	0.15	0.00
uol.com.br	92,638	0.15	88,196	0.14	4.16
hichina.com	92,049	0.15	87,180	0.14	4.71
yahoo.com	91,812	0.15	98,221	0.16	-7.30
layeredtech.com	90,713	0.14	86,563	0.14	3.92
usen.ad.jp	89,983	0.14	92,550	0.15	-3.58
easpnet.com	87,928	0.14	106,725	0.17	-18.30
superhosting.cz	87,592	0.14	92,449	0.15	-6.04
kornet.net	86,766	0.14	83,852	0.13	2.62
fhe3rz.net	85,735	0.14	114,585	0.18	-25.80
securedservers.com	84,970	0.13	90,377	0.14	-6.76
qwest.net	83,636	0.13	80,647	0.13	2.85
t-online.hu	83,209	0.13	75,407	0.12	9.43
flexwebhosting.nl	82,863	0.13	89,202	0.14	-7.88
inetbone.net	82,071	0.13	81,096	0.13	0.36
nocdirect.com	82,033	0.13	85,959	0.14	-5.36
servidoresdns.net	81,810	0.13	81,469	0.13	-0.41
sdjnptt.net.cn	80,857	0.13	93,858	0.15	-14.57
xs4all.nl	80,525	0.13	80,082	0.13	-0.28
hananet.net	79,513	0.13	65,401	0.10	20.57
dnspartner.de	78,366	0.12	79,943	0.13	-2.79
meganameservers.com	77,884	0.12	77,936	0.12	-0.90
gblx.net	77,871	0.12	92,217	0.15	-16.26
main-hosting.com	77,623	0.12	74,959	0.12	2.69
sphere.ad.jp	77,283	0.12	77,199	0.12	-0.72
kei.pl	77,259	0.12	77,409	0.12	-1.02
hinet.net	76,518	0.12	89,211	0.14	-14.94
comcastbusiness.net	75,968	0.12	74,902	0.12	0.58
netdirekt.de	75,665	0.12	74,310	0.12	0.98
hbtele.com	74,615	0.12	94,425	0.15	-21.64
google.com	73,693	0.12	94,904	0.15	-22.99
fastservers.net	73,502	0.12	70,708	0.11	3.09
interware.hu	73,414	0.12	72,707	0.12	0.13
ch-meta.net	73,411	0.12	73,345	0.12	-0.74
inmotionhosting.com	72,717	0.11	70,607	0.11	2.13
dtag.de	72,351	0.11	69,101	0.11	3.83
tele.dk	72,327	0.11	72,806	0.12	-1.48
hc.ru	72,323	0.11	81,834	0.13	-12.36
rr.com	72,099	0.11	77,413	0.12	-7.64
sc163.net	70,653	0.11	77,060	0.12	-9.08
dynamicweb.net	69,762	0.11	69,236	0.11	-0.08
tailormadeservers.com	69,258	0.11	72,769	0.12	-5.61
amerinoc.com	68,738	0.11	72,551	0.12	-6.04
twtelecom.net	68,630	0.11	66,402	0.11	2.50
spaceweb.ru	68,102	0.11	67,668	0.11	-0.19
colo4dallas.net	67,828	0.11	80,950	0.13	-16.91
casablanca.cz	67,571	0.11	66,021	0.11	1.50
hbwhptt.net.cn	67,263	0.11	67,082	0.11	-0.56
cwie.net	66,601	0.11	68,535	0.11	-3.63
namedserver.net	66,513	0.11	65,716	0.10	0.37
webcontrolcenter.com	66,118	0.10	67,049	0.11	-2.21
wiredtree.com	65,849	0.10	64,745	0.10	0.86
gzidc.com	65,604	0.10	62,528	0.10	4.05
forpsi.net	65,549	0.10	64,816	0.10	0.29
uk2.net	64,802	0.10	63,043	0.10	1.94
drive.ne.jp	63,614	0.10	59,054	0.09	6.83
cysonet.com	63,345	0.10	60,843	0.10	3.25
homestead.com	63,331	0.10	58,384	0.09	7.57
ctnt.com.cn	63,230	0.10	57,342	0.09	9.35
aspadmin.com	62,367	0.10	56,271	0.09	9.91
servage.net	62,187	0.10	60,767	0.10	1.49
rain.fr	60,220	0.10	68,794	0.11	-13.19
voodoo.com	60,201	0.10	54,305	0.09	9.94
sivit.org	60,192	0.10	58,863	0.09	1.41
server260.com	59,877	0.09	59,532	0.09	-0.26
fdcservers.net	58,931	0.09	57,533	0.09	1.58
xl-internetservices.com	58,742	0.09	59,712	0.10	-2.44
intercom.com.cn	58,484	0.09	67,383	0.11	-13.93
gyron.net	57,719	0.09	57,895	0.09	-1.13
marchex.com	57,493	0.09	56,786	0.09	0.40
midphase.com	57,318	0.09	50,377	0.08	12.83
colt.net	56,987	0.09	56,766	0.09	-0.44
dnsmadeeasy.com	56,959	0.09	52,219	0.08	8.17
isprime.com	56,937	0.09	57,105	0.09	-1.12
virtualxs.com	56,412	0.09	46,753	0.07	19.66
webnx.com	56,173	0.09	46,157	0.07	20.69
take2hosting.com	56,068	0.09	55,411	0.09	0.35
as29550.net	55,814	0.09	53,198	0.08	4.05
ns1	55,636	0.09	56,676	0.09	-2.65
ahhfptt.net.cn	55,100	0.09	46,123	0.07	18.47
edatahome.com	54,779	0.09	53,167	0.08	2.18
deninet.hu	54,211	0.09	63,430	0.10	-15.24
drcnet.com.cn	53,878	0.09	51,755	0.08	3.24
seeweb.it	53,848	0.09	52,461	0.08	1.79
donhost.co.uk	53,438	0.08	53,104	0.08	-0.21
datanet.hu	53,239	0.08	52,262	0.08	1.02
viawest.net	53,054	0.08	61,101	0.10	-13.89
nwtgigalink.com	52,091	0.08	51,842	0.08	-0.35
lambdanet.net	51,833	0.08	50,640	0.08	1.51
singlehop.com	51,829	0.08	51,522	0.08	-0.24
nsserve.de	51,714	0.08	51,634	0.08	-0.68
ezzi.net	51,685	0.08	38,007	0.06	34.86
sprintlink.net	50,850	0.08	49,237	0.08	2.42
eukhost.com	50,524	0.08	51,056	0.08	-1.86
inode.at	50,217	0.08	49,460	0.08	0.69
kidc.net	49,630	0.08	48,294	0.08	1.91
in2net.com	49,508	0.08	49,263	0.08	-0.34
hazzptt.net.cn	49,293	0.08	46,067	0.07	6.11
skyrock.net	49,172	0.08	65,590	0.10	-25.65
sinnet.com.cn	49,045	0.08	45,359	0.07	7.23
netbenefit.co.uk	48,990	0.08	48,615	0.08	-0.06
cattelecom.com	48,778	0.08	49,129	0.08	-1.54
advancedhosters.com	48,690	0.08	47,248	0.08	2.20
rapidswitch.com	48,653	0.08	47,998	0.08	0.52
steadfast.net	48,516	0.08	43,076	0.07	11.69
timeson.com.cn	48,207	0.08	43,193	0.07	10.68
ispsystem.net	48,122	0.08	44,973	0.07	6.11
infomaniak.ch	48,104	0.08	47,582	0.08	0.26
hispalisdns.com	47,724	0.08	49,350	0.08	-4.10
surf-town.net	47,683	0.08	47,657	0.08	-0.78
keyweb.de	47,397	0.07	48,996	0.08	-4.07
bezeqint.net	47,256	0.07	44,614	0.07	5.04
oversee.net	46,641	0.07	47,380	0.08	-2.38
tpt.net.cn	46,588	0.07	42,925	0.07	7.63
pcextreme.nl	46,377	0.07	45,113	0.07	1.95
usiphosting.com	46,189	0.07	49,395	0.08	-7.27
udagdns.net	45,907	0.07	44,149	0.07	3.12
hostpoint.ch	45,873	0.07	45,537	0.07	-0.10
servepath.com	45,850	0.07	44,923	0.07	1.22
cpi.ad.jp	45,814	0.07	44,582	0.07	1.91
ee.net	45,781	0.07	40,798	0.06	11.28
transip.net	45,685	0.07	44,828	0.07	1.07
dn-s.nl	45,471	0.07	54,171	0.09	-16.76
elinuxservers.com	45,104	0.07	45,224	0.07	-1.09
myregisteredsite.com	45,050	0.07	39,397	0.06	13.40
demandmedia.com	44,901	0.07	45,608	0.07	-2.37
dinahosting.com	44,812	0.07	43,801	0.07	1.46
sv.madame.jp	44,807	0.07	42,561	0.07	4.40
loopia.se	44,761	0.07	44,524	0.07	-0.30
proserve.nl	44,758	0.07	43,599	0.07	1.81
uhost.ro	44,592	0.07	39,024	0.06	13.32
myhostcenter.com	44,208	0.07	45,323	0.07	-3.27
telia.com	44,136	0.07	50,471	0.08	-13.28
volia.com	44,015	0.07	39,090	0.06	11.66
softonic.com	43,455	0.07	36,001	0.06	19.70
privatesystems.net	43,306	0.07	36,118	0.06	18.91
live-servers.net	43,236	0.07	42,039	0.07	1.99
dialtelecom.cz	43,214	0.07	42,882	0.07	-0.06
bt.net	43,153	0.07	45,705	0.07	-6.37
tpnet.pl	42,720	0.07	43,249	0.07	-2.04
hoster.ru	42,387	0.07	49,564	0.08	-15.19
interlink.or.jp	42,263	0.07	53,619	0.09	-21.83
iomart.com	42,220	0.07	42,062	0.07	-0.46
webazilla.com	42,116	0.07	40,364	0.06	3.47
servernap.com	41,441	0.07	41,375	0.07	-0.67
psychz.net	40,965	0.06	24,406	0.04	66.46
cds-china.com	40,788	0.06	32,297	0.05	25.24

* 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.

Beginning with the February 2006 data set on which the March 1st, 2006 reports are based, a new algorithm was implemented for determining which webservers are assigned to which ISP. This new algorithm catches a significant number of servers which previously were unable to be assigned to an ISP.