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ISP Report
May 1st, 2009

Report Description
The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 39163119 web servers by the ISPs' networks over which their traffic flows, the report provides a view of the top ISPs on the Internet.

Purchase a list of web sites hosted on an ISPs' network:
  Enter ISP name (e.g. peer1) 
The following table lists the top 250 ISPs hosting the most servers on their networks.

ISP Domain Name Apr 2009
Count*
Apr 2009
%
Mar 2009
Count*
Mar 2009
%
Growth
%
theplanet.com1,392,4053.561,413,5433.540.48
schlund.de1,351,7013.451,344,6273.372.55
y.dns.jp1,080,6902.761,107,8022.77-0.49
secureserver.net821,0982.10819,7432.052.18
sakura.ad.jp569,3791.45617,2601.55-5.90
ovh.net537,6981.37534,5401.342.61
a.in-addr.cn529,2561.35527,1901.322.41
softlayer.com518,8531.32517,9901.302.18
lacnic.net446,6641.14466,4061.17-2.31
rackspace.com432,0001.10432,0931.081.99
ev1servers.net429,1841.10443,7811.11-1.34
your-server.de407,8301.04436,9331.09-4.78
fc2.com387,9070.99388,5670.971.84
ntt.net348,6050.89350,7790.881.38
dreamhost.com336,6260.86346,7050.87-0.96
dns.kr312,0960.80315,7950.790.82
yourhostingaccount.com290,6910.74288,6690.722.72
peer1.net282,1420.72301,6820.76-4.60
a.dns.br279,8400.71296,7610.74-3.81
bluehost.com276,9970.71277,1450.691.96
guangzhou.gd.cn256,4960.65261,7700.66-0.04
cogentco.com255,0920.65273,9740.69-5.02
proxad.net239,2850.61237,5210.592.77
technorail.com230,8540.59233,4010.580.90
leaseweb.nl202,6440.52211,0040.53-2.03
zjnbptt.net.cn183,4240.47209,7720.53-10.80
gnax.net176,6440.45177,1990.441.69
pnap.net162,8500.42176,5570.44-5.91
twnic.net161,8020.41164,1260.410.57
localhost161,0740.41165,5660.41-0.76
hosteurope.de155,5160.40151,8560.384.47
nmc1.ptt.js.cn154,0540.39168,0200.42-6.47
sourcedns.com149,5010.38154,3020.39-1.16
uu.net146,5460.37148,8110.370.46
sta.net.cn145,3430.37146,3370.371.32
namespace4you.de143,1070.37142,4930.362.45
usen.ad.jp139,0860.36140,3850.351.07
mediatemple.net138,1190.35137,6960.342.32
pri-dns.de135,4800.35128,3530.327.67
rz-ip.net134,8540.34138,2320.35-0.48
fasthosts.net.uk133,5060.34134,5780.341.20
savvis.net132,9030.34133,9010.341.25
att.net130,0020.33131,9820.330.48
yandex.ru128,6290.33128,4520.322.15
iweb-hosting.com126,9510.32126,4190.322.44
fhe3rz.net126,8320.32114,7500.2912.75
interq.or.jp124,5320.32135,5840.34-6.30
masterhost.ru123,8870.32126,3740.320.00
geodns.net123,2370.31120,9770.303.92
b-one-dns.net122,8290.31122,5520.312.24
kasserver.com120,2650.31122,3240.310.29
intergenia.de120,0840.31111,3190.2810.04
secure.net119,4730.31121,2290.300.53
cncnet.net119,2830.30144,6430.36-15.87
level3.net112,2110.29119,2090.30-3.98
bluegravity.com111,9560.29132,5660.33-13.85
xlink.net111,1520.28102,9200.2610.17
dns.fz.fj.cn109,0470.28104,5010.266.45
lunarpages.com108,5490.28108,3060.272.24
layeredtech.com101,0090.26124,1500.31-17.00
abac.com100,3230.26100,1160.252.22
cais.com100,0010.26116,0660.29-12.11
pair.com96,3600.2597,2070.241.12
ns96,2320.2595,8000.242.47
qwest.net94,7830.2499,6930.25-3.01
dion.ne.jp94,5450.2495,1820.241.33
ocn.ad.jp94,4790.2495,9820.240.41
dimenoc.com93,7120.2496,3090.24-0.74
msft.net93,6030.2493,4140.232.22
ns01.idc.jp88,0100.2286,8870.223.33
ev1.net87,1130.2299,3130.25-10.52
yahoo.com87,0980.2288,5740.220.31
bta.net.cn86,3760.2296,4630.24-8.66
lnhi.net84,8890.2285,0440.211.82
webcontrolcenter.com83,4900.2183,5320.211.96
pwebtech.com83,4210.2185,4920.21-0.46
nac.net79,6080.2094,1990.24-13.79
netart.pl79,5600.2079,7580.201.76
untd.com79,1680.2079,2940.201.85
sparqnet.net78,2190.2081,3030.20-1.86
proserve.nl77,6030.2077,8200.191.73
net.ru76,7110.2073,2400.186.84
rain.fr75,7410.1976,3690.191.17
twtelecom.net74,2120.1983,2400.21-9.05
sprintlink.net73,0040.1975,9330.19-1.92
superhosting.cz72,0880.1871,7510.182.49
tele.dk71,4490.1869,6230.174.69
servint.com71,2420.1864,3080.1613.01
fastservers.net70,8310.1881,0020.20-10.80
sdjnptt.net.cn70,7930.1872,7330.18-0.71
servage.net70,6420.1871,7350.180.46
meganameservers.com69,6660.1870,7890.180.39
ctnt.com.cn68,8070.1855,7810.1425.83
ultradns.net66,7590.1759,0840.1515.26
dnspro.de65,5180.1774,0830.19-9.78
scservers.com64,8580.1766,9670.17-1.20
afrinic.net64,8270.1764,6760.162.25
phatservers.com64,6970.1770,3400.18-6.17
pochta.ru64,5420.1664,5260.162.04
hananet.net63,7470.1661,9030.155.05
hostlab.nl63,6590.1664,1690.161.20
inetbone.net63,4300.1658,5400.1510.53
sphere.ad.jp63,3770.1664,0650.160.91
rr.com61,0980.1665,2150.16-4.43
dtag.de60,8180.1661,4390.150.98
tpnet.pl60,6780.1564,5160.16-4.06
telecity.net60,0670.1557,2680.147.00
servidoresdns.net59,7030.1560,2940.151.01
xs4all.nl56,2800.1457,7000.14-0.50
cnc-idc.com55,5380.1462,2230.16-8.95
silkroadtechnologies.com55,3720.1444,4720.1127.01
hostway.net55,1650.1459,8760.15-6.02
rt-comm.ru55,0960.1455,6850.140.93
isprime.com54,8510.1458,6880.15-4.66
mainnameserver.com54,7300.1454,7710.141.93
iprevolution.co.jp54,3070.1454,2280.142.16
ieurop.net53,5170.1453,6090.131.84
burst.net53,5170.1456,3530.14-3.12
rapidswitch.com53,5020.1451,1280.136.75
inode.at53,4030.1456,2530.14-3.16
maxim.net53,0740.1454,0990.140.08
gblx.net52,8730.1439,6160.1036.15
sivit.org51,9840.1355,3110.14-4.13
interware.hu51,8340.1347,4010.1211.55
aspadmin.com51,4770.1352,4650.130.09
colt.net51,3830.1352,0990.130.61
70.42.30.151,3000.1300.000.00
kornet.net50,6650.1352,5220.13-1.60
he.net50,6630.1352,8630.13-2.23
integraonline.com49,8800.1351,0820.13-0.39
elinuxservers.com49,6400.1350,4850.130.30
sc163.net49,0980.1348,9610.122.30
cnmobile.net49,0370.1354,6090.14-8.40
hc.ru48,4800.1247,7240.123.63
in2net.com48,1260.1248,8610.120.48
hinet.net48,1110.1247,3030.123.75
dnspartner.de47,6450.1245,5880.116.61
forpsi.net47,2780.1247,6120.121.29
switchnap.com45,9300.1246,1000.121.63
casablanca.cz45,8680.1246,2630.121.14
ipx-server.de44,9710.1145,6760.110.44
tpt.net.cn44,9060.1146,4530.12-1.39
dynamicweb.net44,4290.1143,0520.115.27
datapipe.net43,5430.1148,5030.12-8.42
kei.pl42,7500.1143,1100.111.16
hbwhptt.net.cn42,6350.1151,3020.13-15.22
donhost.co.uk42,2350.1142,6500.111.02
colo4dallas.net41,7110.1141,0750.103.59
datadragon.net41,4920.1140,1970.105.30
steadfast.net41,4500.1155,9770.14-24.46
interlink.or.jp41,3770.1140,5060.104.20
clara.net41,3700.1142,0400.110.38
amenworld.com41,3230.1143,9980.11-4.19
telia.com40,4740.1042,8860.11-3.73
ch-meta.net40,4370.1040,1380.102.77
ensynch.com39,9400.1042,0540.11-3.12
xo.com39,9300.1040,5610.100.42
ahhfptt.net.cn39,7180.1040,7310.10-0.53
netbenefit.co.uk38,9560.1035,3050.0912.56
gyron.net38,8550.1038,9660.101.72
t-online.hu38,8160.1039,0490.101.40
asahi-net.or.jp38,7770.1038,8660.101.78
liquidweb.com38,5100.1039,7160.10-1.09
locaweb.com.br38,4600.1037,3220.095.12
keyweb.de38,3900.1034,1830.0914.57
webfusion.co.uk37,4010.1034,6100.0910.24
west-datacenter.net37,1830.0937,4540.091.27
uk2.net37,1390.0937,1400.092.01
namedserver.net36,6080.0936,1410.093.33
carpathiahost.net36,5520.0943,5610.11-14.40
servepath.com35,5900.0938,0440.10-4.57
inet.it35,3980.0935,7370.091.04
server260.com35,3480.0934,5750.094.29
calpop.com35,2950.0930,7120.0817.23
gxn.net35,2680.0940,8970.10-12.03
activeisp.com35,2440.0935,5690.091.08
dn.net35,1620.0935,0990.092.19
fdcservers.net34,9310.0931,9980.0811.36
alabanza.com34,8520.0941,2320.10-13.77
ripn.net34,7710.0933,8630.084.75
westmaster.com34,6810.0937,6180.09-5.95
gzidc.com34,4030.0935,0980.09-0.01
alibabaonline.com34,2680.0934,4610.091.44
intercom.com.cn34,1910.0934,5500.090.95
google.com34,1700.0928,8790.0720.70
widexs.nl34,0780.0934,2970.091.36
iomart.com33,6090.0900.000.00
superb.net33,2800.0834,8610.09-2.62
cysonet.com32,8520.0833,2530.080.78
myregisteredsite.com32,7310.0832,7690.081.89
ee.net32,6080.0834,4410.09-3.42
interbusiness.it32,2590.0832,5890.080.98
bt.net31,8620.0831,9020.081.88
netnation.com31,5840.0836,2770.09-11.19
rackforce.com31,5170.0831,7450.081.28
inflow.net31,4470.0832,2110.08-0.41
hm2331,2410.0831,5970.080.86
jump.ro30,6640.0830,3990.082.90
noc4hosts.com30,4450.0837,7430.09-17.71
uol.com.br30,1990.0848,1040.12-35.96
sagonet.com30,1930.0831,0610.08-0.84
hesjptt.net.cn29,8210.0823,4190.0629.90
gldn.net29,8060.0829,7890.072.07
relcom.ru29,6410.0827,7080.079.13
datanet.hu29,5750.0834,1250.09-11.59
swbell.net29,5520.0829,1220.073.52
inet.co.th29,4870.0834,7580.09-13.46
propagation.net29,0650.0734,9140.09-15.08
infomaniak.ch29,0160.0729,0450.071.91
ocn.ne.jp28,5410.0728,7580.071.24
nationalnet.com28,4590.0727,8790.074.13
surf-town.net28,4570.0728,7410.071.00
nethost.cz28,1550.0728,2440.071.69
above.net28,0400.0733,6900.08-15.10
net.ua28,0380.0729,6030.07-3.38
bell.ca28,0120.0728,1550.071.49
comcastbusiness.net27,9840.0727,7780.072.77
bellsouth.net27,9570.0729,0150.07-1.71
spaceweb.ru27,9220.0728,0190.071.66
serico.de27,6520.0724,2550.0616.30
voxel.net27,5980.0732,9420.08-14.54
hostpoint.ch27,4330.0727,7680.070.78
ns-px.online.sh.cn27,3570.0728,0720.07-0.59
oxeo.com27,2870.0727,6750.070.58
tailormadeservers.com27,1140.0725,3720.069.01
transip.net27,1100.0726,9200.072.73
bezeqint.net26,9810.0727,1930.071.22
lambdanet.net26,9210.0725,0690.069.55
live-servers.net26,9150.0727,6550.07-0.72
kidc.net26,6370.0727,0680.070.39
cnchost.com26,4790.0726,5410.071.77
kpn.net26,2780.0726,8350.07-0.11
evanzo.com26,1440.0727,2430.07-2.10
attractsoft.com26,1270.0726,2730.071.44
viawest.net26,0570.0725,9070.062.60
fastweb.it26,0040.0725,7880.062.86
mastak.ru25,9300.0725,7740.062.63
wtr.ru25,9060.0723,9720.0610.24
drcnet.com.cn25,7010.0726,2930.07-0.29
gandi.net25,6280.0725,1640.063.89
infobox.org25,4780.0725,3670.062.46
it.net25,4760.0725,8430.060.56
cnuninet.net25,4450.0630,5600.08-15.06
nocdirect.com25,4230.0625,6780.061.00
home.pl25,3530.0625,4370.061.67
peterhost.ru25,3000.0625,2760.062.11
majordomo.ru25,2810.0625,0050.063.14
alchemyfx.com24,9070.0624,0610.065.60
hazzptt.net.cn24,8720.0627,7010.07-8.41
valuehost.ru24,8200.0623,5690.067.42

* 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.



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