Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 64512896 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	Apr 2012 Count*	Apr 2012 %	Mar 2012 Count*	Mar 2012 %	Growth %
theplanet.com	2,000,881	3.10	2,017,209	3.17	-2.02
schlund.de	1,919,717	2.98	1,901,392	2.98	-0.27
secureserver.net	1,756,560	2.72	1,720,021	2.70	0.88
networklayer.com	1,753,204	2.72	1,749,519	2.75	-1.01
y.dns.jp	1,540,818	2.39	1,537,172	2.41	-0.99
ovh.net	1,371,429	2.13	1,312,726	2.06	3.20
your-server.de	1,347,009	2.09	1,301,772	2.04	2.21
a.in-addr.cn	955,978	1.48	971,155	1.52	-2.76
global-datacenter.com	871,273	1.35	864,354	1.36	-0.43
rackspace.com	846,839	1.31	827,875	1.30	1.04
sakura.ad.jp	823,003	1.28	840,616	1.32	-3.29
softlayer.com	754,807	1.17	726,105	1.14	2.68
bluehost.com	750,918	1.16	733,758	1.15	1.09
lacnic.net	731,216	1.13	740,398	1.16	-2.45
amazon.com	593,935	0.92	538,595	0.85	8.93
dreamhost.com	576,106	0.89	577,242	0.91	-1.42
leaseweb.nl	526,273	0.82	496,309	0.78	4.74
yourhostingaccount.com	524,275	0.81	516,691	0.81	0.23
peer1.net	484,655	0.75	471,894	0.74	1.45
dns.kr	483,636	0.75	500,542	0.79	-4.56
twnic.net	476,601	0.74	434,167	0.68	8.43
a.dns.br	467,529	0.72	477,708	0.75	-3.33
ns	464,572	0.72	393,186	0.62	16.71
1and1.com	433,316	0.67	431,364	0.68	-0.77
ntt.net	408,511	0.63	410,517	0.64	-1.70
zjnbptt.net.cn	389,524	0.60	396,397	0.62	-2.93
proxad.net	359,150	0.56	356,763	0.56	-0.56
technorail.com	346,102	0.54	338,227	0.53	1.08
hosteurope.de	345,355	0.54	345,383	0.54	-1.23
guangzhou.gd.cn	314,699	0.49	355,425	0.56	-12.54
mediatemple.net	311,653	0.48	308,156	0.48	-0.10
singlehop.net	308,687	0.48	309,692	0.49	-1.54
interq.or.jp	308,191	0.48	307,882	0.48	-1.12
pnap.net	296,417	0.46	299,366	0.47	-2.19
b-one-dns.net	279,557	0.43	275,985	0.43	0.06
level3.net	272,540	0.42	268,699	0.42	0.19
localhost	268,753	0.42	285,599	0.45	-7.05
sourcedns.com	262,864	0.41	258,866	0.41	0.30
namespace4you.de	251,125	0.39	245,808	0.39	0.92
intergenia.de	245,427	0.38	252,916	0.40	-4.15
sta.net.cn	234,463	0.36	220,922	0.35	4.83
cogentco.com	234,151	0.36	246,308	0.39	-6.10
home.pl	233,861	0.36	229,624	0.36	0.60
iweb-hosting.com	233,623	0.36	230,696	0.36	0.03
kasserver.com	229,499	0.36	225,939	0.35	0.34
dns.fz.fj.cn	228,173	0.35	216,883	0.34	3.92
xlink.net	209,273	0.32	258,203	0.41	-19.94
nmc1.ptt.js.cn	197,230	0.31	195,462	0.31	-0.33
dimenoc.com	191,239	0.30	192,555	0.30	-1.90
yandex.ru	183,978	0.29	179,669	0.28	1.15
savvis.net	180,408	0.28	182,385	0.29	-2.29
linode.com	179,260	0.28	172,162	0.27	2.85
servercentral.net	178,507	0.28	176,594	0.28	-0.15
mainnameserver.com	172,414	0.27	165,637	0.26	2.82
gtei.net	170,261	0.26	166,683	0.26	0.90
masterhost.ru	168,198	0.26	166,579	0.26	-0.26
slicehost.net	168,168	0.26	173,975	0.27	-4.52
netart.pl	164,150	0.25	163,094	0.26	-0.58
uu.net	162,317	0.25	132,572	0.21	20.94
zzidc.com	159,883	0.25	152,439	0.24	3.60
sparqnet.net	158,362	0.25	142,906	0.22	9.46
phatservers.com	156,584	0.24	123,112	0.19	25.64
cais.com	156,499	0.24	111,815	0.18	38.25
geodns.net	153,111	0.24	147,494	0.23	2.54
rz-ip.net	152,312	0.24	146,957	0.23	2.38
lunarpages.com	144,144	0.22	142,900	0.22	-0.36
jump.ro	142,728	0.22	121,292	0.19	16.24
gldn.net	142,352	0.22	145,917	0.23	-3.63
trellian.com	134,141	0.21	124,174	0.19	6.71
tfn.net.tw	132,541	0.21	125,922	0.20	3.97
fasthosts.net.uk	132,484	0.21	132,690	0.21	-1.37
secure.net	132,423	0.21	132,495	0.21	-1.27
dion.ne.jp	129,068	0.20	143,833	0.23	-11.36
burst.net	128,956	0.20	140,460	0.22	-9.31
carpathiahost.net	128,854	0.20	119,388	0.19	6.61
fhe3rz.net	127,355	0.20	112,748	0.18	11.58
msft.net	126,251	0.20	110,285	0.17	13.08
servint.com	124,138	0.19	128,951	0.20	-4.91
confluence-networks.com	122,959	0.19	104,585	0.16	16.13
he.net	121,692	0.19	114,639	0.18	4.86
ns01.idc.jp	121,496	0.19	121,788	0.19	-1.46
pri-dns.de	121,229	0.19	113,526	0.18	5.48
gnax.net	119,153	0.18	113,966	0.18	3.28
relax.ru	117,863	0.18	120,751	0.19	-3.58
locaweb.com.br	117,330	0.18	114,562	0.18	1.17
pwebtech.com	117,220	0.18	129,312	0.20	-10.46
silkroadtechnologies.com	116,657	0.18	115,727	0.18	-0.43
ns1.xserver.jp	111,868	0.17	108,270	0.17	2.06
vpls.net	111,256	0.17	113,123	0.18	-2.85
hichina.com	109,427	0.17	107,113	0.17	0.91
bta.net.cn	109,027	0.17	105,810	0.17	1.78
pair.com	107,626	0.17	107,346	0.17	-0.96
untd.com	106,312	0.16	104,637	0.16	0.36
net.ru	105,020	0.16	104,239	0.16	-0.48
iprevolution.co.jp	104,560	0.16	99,780	0.16	3.51
nethost.cz	103,934	0.16	101,519	0.16	1.13
datadragon.net	103,029	0.16	92,495	0.15	10.03
rt-comm.ru	102,850	0.16	99,532	0.16	2.07
afrinic.net	102,602	0.16	101,105	0.16	0.24
cncnet.net	100,483	0.16	102,440	0.16	-3.11
westmaster.com	99,227	0.15	105,401	0.17	-7.01
lnhi.net	99,030	0.15	98,185	0.15	-0.37
ripn.net	97,741	0.15	94,252	0.15	2.44
easpnet.com	96,991	0.15	79,910	0.13	19.89
superhosting.cz	96,846	0.15	98,919	0.16	-3.29
ocn.ad.jp	96,750	0.15	110,671	0.17	-13.65
layeredtech.com	94,766	0.15	92,783	0.15	0.89
usen.ad.jp	93,326	0.14	94,478	0.15	-2.43
nocdirect.com	92,497	0.14	92,078	0.14	-0.77
att.net	92,021	0.14	92,989	0.15	-2.25
qweb.nl	91,918	0.14	71,617	0.11	26.78
ucoz.net	90,266	0.14	88,434	0.14	0.83
tailormadeservers.com	90,087	0.14	86,263	0.14	3.16
kornet.net	86,583	0.13	87,601	0.14	-2.37
flexwebhosting.nl	85,522	0.13	93,698	0.15	-9.84
securedservers.com	85,477	0.13	87,665	0.14	-3.69
amerinoc.com	84,679	0.13	91,485	0.14	-8.57
hinet.net	84,206	0.13	81,289	0.13	2.32
main-hosting.com	83,817	0.13	81,040	0.13	2.16
comcastbusiness.net	83,762	0.13	77,171	0.12	7.22
servidoresdns.net	82,860	0.13	82,333	0.13	-0.59
inetbone.net	82,361	0.13	82,471	0.13	-1.35
google.com	82,136	0.13	91,412	0.14	-11.24
rr.com	82,063	0.13	80,018	0.13	1.30
nic.ru	81,040	0.13	70,277	0.11	13.91
meganameservers.com	80,591	0.12	80,585	0.13	-1.21
cwie.net	80,499	0.12	94,753	0.15	-16.08
xs4all.nl	80,156	0.12	81,070	0.13	-2.33
yahoo.com	79,383	0.12	97,798	0.15	-19.82
uol.com.br	79,258	0.12	96,384	0.15	-18.77
t-online.hu	79,138	0.12	86,160	0.14	-9.27
qwest.net	79,133	0.12	84,454	0.13	-7.44
kei.pl	79,082	0.12	79,348	0.12	-1.55
dnspartner.de	78,704	0.12	78,665	0.12	-1.17
inmotionhosting.com	78,100	0.12	75,110	0.12	2.71
sphere.ad.jp	77,930	0.12	77,708	0.12	-0.94
interware.hu	75,653	0.12	74,820	0.12	-0.12
fastservers.net	75,497	0.12	74,954	0.12	-0.51
hananet.net	75,393	0.12	75,666	0.12	-1.58
xl-internetservices.com	74,684	0.12	70,953	0.11	3.97
hbwhptt.net.cn	73,372	0.11	64,427	0.10	12.49
hbtele.com	73,054	0.11	102,647	0.16	-29.70
hc.ru	72,947	0.11	72,673	0.11	-0.85
tele.dk	71,987	0.11	72,097	0.11	-1.37
intercom.com.cn	71,101	0.11	64,499	0.10	8.89
voodoo.com	70,384	0.11	68,245	0.11	1.88
sdjnptt.net.cn	70,355	0.11	69,447	0.11	0.07
dynamicweb.net	70,045	0.11	70,094	0.11	-1.29
spaceweb.ru	69,729	0.11	68,908	0.11	-0.04
drive.ne.jp	69,455	0.11	67,167	0.11	2.14
colo4dallas.net	69,422	0.11	68,276	0.11	0.44
dtag.de	68,210	0.11	64,604	0.10	4.29
ch-meta.net	68,093	0.11	67,571	0.11	-0.46
wiredtree.com	67,474	0.10	66,494	0.10	0.24
casablanca.cz	66,481	0.10	65,980	0.10	-0.47
forpsi.net	66,428	0.10	66,692	0.10	-1.61
gzidc.com	66,292	0.10	62,990	0.10	3.96
uk2.net	65,815	0.10	65,828	0.10	-1.24
cysonet.com	65,783	0.10	64,542	0.10	0.68
nwtgigalink.com	65,578	0.10	50,962	0.08	27.11
edatahome.com	65,324	0.10	49,919	0.08	29.26
webcontrolcenter.com	65,091	0.10	65,451	0.10	-1.76
twtelecom.net	64,818	0.10	66,624	0.10	-3.90
namedserver.net	64,701	0.10	64,025	0.10	-0.18
deninet.hu	62,181	0.10	59,541	0.09	3.16
sc163.net	61,543	0.10	81,227	0.13	-25.16
homestead.com	61,436	0.10	56,242	0.09	7.90
servage.net	60,521	0.09	60,709	0.10	-1.53
viawest.net	60,306	0.09	46,690	0.07	27.59
server260.com	60,248	0.09	60,224	0.09	-1.18
gyron.net	59,811	0.09	58,191	0.09	1.53
as29550.net	57,495	0.09	56,964	0.09	-0.30
take2hosting.com	57,275	0.09	56,410	0.09	0.29
colt.net	56,989	0.09	57,310	0.09	-1.77
advancedhosters.com	56,623	0.09	49,449	0.08	13.11
isprime.com	56,087	0.09	55,486	0.09	-0.15
seeweb.it	55,841	0.09	55,815	0.09	-1.17
datanet.hu	55,792	0.09	54,868	0.09	0.44
rain.fr	55,036	0.09	63,796	0.10	-14.78
steadfast.net	54,492	0.08	51,249	0.08	5.03
ctnt.com.cn	54,427	0.08	51,641	0.08	4.11
dnsmadeeasy.com	54,354	0.08	52,691	0.08	1.90
donhost.co.uk	54,297	0.08	53,518	0.08	0.22
ahhfptt.net.cn	54,168	0.08	49,717	0.08	7.62
aspadmin.com	53,944	0.08	54,854	0.09	-2.86
virtualxs.com	53,940	0.08	39,364	0.06	35.36
telia.com	53,394	0.08	50,458	0.08	4.53
usiphosting.com	53,279	0.08	51,795	0.08	1.61
gblx.net	52,996	0.08	68,586	0.11	-23.67
eukhost.com	52,946	0.08	51,428	0.08	1.69
nsserve.de	52,883	0.08	52,142	0.08	0.18
bezeqint.net	52,597	0.08	43,236	0.07	20.17
sprintlink.net	52,137	0.08	51,511	0.08	-0.02
rapidswitch.com	51,809	0.08	49,560	0.08	3.26
inode.at	51,473	0.08	50,618	0.08	0.45
lambdanet.net	50,921	0.08	50,337	0.08	-0.07
hazzptt.net.cn	50,783	0.08	51,149	0.08	-1.93
kidc.net	50,743	0.08	52,734	0.08	-4.95
marchex.com	50,650	0.08	49,784	0.08	0.50
singlehop.com	50,630	0.08	51,199	0.08	-2.32
ispsystem.net	50,574	0.08	49,082	0.08	1.78
surf-town.net	50,168	0.08	49,535	0.08	0.04
ee.net	49,944	0.08	49,473	0.08	-0.28
proserve.nl	49,877	0.08	40,414	0.06	21.91
midphase.com	49,654	0.08	59,368	0.09	-17.38
sinnet.com.cn	49,650	0.08	49,844	0.08	-1.61
cattelecom.com	49,500	0.08	49,154	0.08	-0.53
in2net.com	49,390	0.08	49,473	0.08	-1.39
ns1	49,372	0.08	50,555	0.08	-3.53
sv.madame.jp	49,343	0.08	46,957	0.07	3.80
infomaniak.ch	49,298	0.08	48,734	0.08	-0.08
pcextreme.nl	49,261	0.08	47,956	0.08	1.47
webnx.com	49,229	0.08	56,884	0.09	-14.51
netbenefit.co.uk	49,216	0.08	49,013	0.08	-0.81
volia.com	49,088	0.08	47,746	0.07	1.56
mastak.ru	48,957	0.08	48,488	0.08	-0.27
udagdns.net	48,881	0.08	47,592	0.07	1.45
cpi.ad.jp	48,528	0.08	47,288	0.07	1.37
keyweb.de	48,018	0.07	47,546	0.07	-0.24
hoster.ru	47,909	0.07	43,605	0.07	8.53
demandmedia.com	47,746	0.07	48,433	0.08	-2.62
dn-s.nl	47,715	0.07	53,229	0.08	-11.45
hostpoint.ch	47,663	0.07	46,853	0.07	0.49
cmmail.com	47,653	0.07	42,020	0.07	12.02
hispalisdns.com	47,600	0.07	46,560	0.07	0.99
fdcservers.net	47,115	0.07	58,303	0.09	-20.18
servepath.com	46,997	0.07	47,533	0.07	-2.33
ezzi.net	46,995	0.07	44,202	0.07	5.02
privatesystems.net	46,864	0.07	45,928	0.07	0.79
transip.net	46,688	0.07	46,194	0.07	-0.16
myhostcenter.com	45,975	0.07	44,925	0.07	1.09
cds-china.com	45,542	0.07	39,710	0.06	13.29
loopia.se	45,297	0.07	44,775	0.07	-0.07
register.it	45,189	0.07	53,122	0.08	-15.97
elinuxservers.com	44,717	0.07	44,880	0.07	-1.58
dinahosting.com	44,622	0.07	46,935	0.07	-6.09
nobistech.net	44,418	0.07	24,307	0.04	80.51
webazilla.com	44,408	0.07	42,405	0.07	3.45
ns-px.online.sh.cn	43,902	0.07	50,803	0.08	-14.64
di-net.ru	43,857	0.07	42,042	0.07	3.04
iomart.com	43,520	0.07	43,502	0.07	-1.18
drcnet.com.cn	43,397	0.07	41,340	0.06	3.69
dialtelecom.cz	43,356	0.07	43,289	0.07	-1.07
live-servers.net	43,157	0.07	43,503	0.07	-2.01
sivit.org	42,514	0.07	47,419	0.07	-11.44
iq.pl	42,481	0.07	39,612	0.06	5.93
typo3server.com	42,407	0.07	41,166	0.06	1.76
tpnet.pl	42,391	0.07	42,017	0.07	-0.34
servernap.com	42,236	0.07	40,778	0.06	2.31
accelerated.de	42,159	0.07	41,257	0.06	0.94

* 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.

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.