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ISP Report
April 1st, 2003

Report Description
The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 9691973 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 Mar 2003
Count*
Mar 2003
%
Feb 2003
Count*
Feb 2003
%
Growth
%
verio.net464,3964.79408,4734.389.37
uu.net398,5894.11384,8274.13-0.36
schlund.de231,4592.39217,7722.342.25
cwie.net174,5451.80224,2632.41-25.13
lacnic.net159,1671.64150,8921.621.48
sprintlink.net156,6261.62151,4181.62-0.49
above.net136,4481.41130,3561.400.70
ns.dns.br124,7221.29118,2821.271.44
level3.net120,5611.24142,8621.53-18.82
att.net116,1911.20109,0221.172.53
exodus.net116,1181.20129,6901.39-13.87
hosting4u.net109,3111.1398,6311.066.62
xlink.net97,8441.0193,1761.001.02
qwest.net97,2391.0093,5471.000.00
ev1.net96,5191.0084,0790.9010.43
interland.net95,1210.9893,7321.01-2.37
pnap.net92,8140.9687,6660.941.85
about.com87,4710.9083,1400.891.21
dn.net87,4410.9086,4470.93-2.69
cw.net80,7110.8380,0250.86-2.97
tpsa.pl80,0660.8377,4350.83-0.53
he.net79,4510.8273,5170.793.97
tera-byte.com76,3050.7972,7120.780.95
cogentco.com75,7760.7864,3350.6913.31
secure.net73,8750.7672,6600.78-2.19
rackspace.com69,6370.7285,2980.91-21.46
earthlink.net67,9400.7066,2960.71-1.41
alabanza.com67,6460.7058,3150.6311.59
dialtoneinternet.net58,8290.6156,0590.600.95
infoseek.co.jp47,0050.4841,1300.449.94
host4u.net46,0440.4842,7380.463.64
demon.co.uk42,9050.4442,7530.46-3.46
dtag.de42,5050.4441,5870.45-1.68
lycos.com42,0200.4338,8760.423.98
concentric.net41,7190.4319,9530.21101.14
homestead.com41,6720.4339,2470.422.14
pair.com41,3440.4340,1400.43-0.91
pbi.net39,8880.4140,5770.44-5.43
yahoo.com39,6540.4145,0840.48-15.39
nac.net37,6460.3932,8880.3510.12
algx.net37,0240.3835,3930.380.63
tele.dk36,5220.3836,3650.39-3.38
ig.com.br36,3040.3733,8000.363.33
fasthosts.net.uk36,2960.3734,8970.370.06
gtei.net35,9640.3734,6990.37-0.29
spylog.com35,1980.3632,8180.353.18
valueweb.net34,4360.3632,9390.350.57
proxad.net34,3760.3531,7890.344.03
splitinfinity.net34,1810.355,7090.06475.97
yandex.ru32,9080.3430,3990.334.14
interbusiness.it32,7300.3432,1480.34-2.06
tac.net32,1420.3330,8180.330.33
siteprotect.com31,5820.3330,2010.320.60
datasync.com30,8350.3228,1630.305.33
maxim.net29,7490.3129,2320.31-2.10
bellsouth.net29,6670.3127,0420.295.54
pri-dns.de29,6190.3127,0520.295.33
superb.net28,9450.3027,5780.300.97
cnc.ac.cn28,9130.3027,6360.300.65
widexs.nl28,2110.2927,1440.29-0.02
eli.net25,5960.2623,8690.263.16
datapipe.net24,7010.2523,2840.252.05
affinity.com24,6920.257,8850.08201.25
rain.fr22,9440.2421,9760.240.44
gblx.net22,5950.2322,0500.24-1.42
savvis.net22,4640.2321,6500.23-0.18
clara.net22,3940.2321,5570.23-0.06
futuro.pl22,1750.2319,0320.2012.09
ocn.ad.jp21,6220.2220,6350.220.80
cihost.com20,8410.2216,4840.1821.63
cerf.net20,8400.2219,1050.204.94
aitcom.net20,0670.2119,4290.21-0.64
digex.com20,0130.2119,6960.21-2.25
register.com19,7030.2018,6010.201.90
easynet.co.uk19,5360.2019,4780.21-3.51
uk2net.com19,4840.2018,3530.202.13
pick.net19,3640.2018,0130.193.42
pipex.net19,2820.2018,8950.20-1.83
telia.com19,0960.2018,3770.20-0.04
theplanet.com19,0780.2017,0740.187.49
webfusion.co.uk19,0390.2018,0140.191.67
intouch.nl18,9790.2018,8640.20-3.21
rt.ru18,9170.2018,1450.190.29
meganameservers.com18,7390.1917,5910.192.48
harvard.net18,5950.1918,3130.20-2.32
teleglobe.net18,2140.1918,8610.20-7.10
ip-plus.net18,2130.1917,0210.182.94
theplanet.net18,1060.1917,7210.19-1.71
burst.net18,0950.1916,3740.186.31
inflow.net17,8490.1817,0290.180.83
9netave.com17,6390.1817,9100.19-5.26
bellglobal.com17,4920.1812,8650.1430.80
ns0.com17,4010.1816,7660.18-0.16
kornet.net16,8410.1715,7960.172.56
peer1.net16,7430.1716,3450.18-1.46
uunet.ca16,6810.1715,0170.166.86
komplex.net16,5220.1715,4640.172.78
colt.net16,5160.1714,2710.1511.33
aunet.net16,3050.1715,5580.170.82
chinanetcenter.com16,3050.1715,5580.170.82
localhost16,2160.1713,5480.1515.15
technorail.com15,9070.1600.000.00
dreamhost.com15,8920.1600.000.00
sta.net.cn15,5820.1614,8980.160.62
web2010.com15,5330.1614,9090.160.23
gngidc.net15,5000.168,7880.0969.68
ns.embratel.net.br15,4550.1614,6660.161.38
swbell.net15,4090.1615,4460.17-4.03
twnic.net15,2290.1614,3760.151.91
interq.or.jp14,9020.1513,8240.153.70
rtcomm.ru14,7520.1514,1830.150.06
rr.com14,6390.1513,3570.145.43
vdi.net14,6380.1514,1770.15-0.67
sphere.ad.jp14,5570.1513,5840.153.09
ovh.net14,4250.1513,8310.150.33
jomax.net14,2130.1512,3860.1310.39
leaseweb.nl14,1410.1513,9300.15-2.34
bsdhost.net13,8760.1412,8510.143.87
ipowerweb.net13,6270.1411,8420.1310.70
addr.com13,5210.1412,4220.134.71
psi.ca13,4150.1413,4110.14-3.77
abac.com13,4140.1412,6490.142.02
in2net.com13,3830.1411,6250.1210.75
twtelecom.net13,3260.1418,6170.20-31.14
namespace4you.de12,8910.1311,8320.134.81
dacom.co.kr12,8580.1312,2780.130.74
ttd.net12,8550.1312,6270.14-2.06
dion.ne.jp12,8280.1311,8120.134.48
sfl.net12,7030.1312,3710.13-1.22
psi.net12,6880.1313,2850.14-8.12
nacamar.net12,6260.1312,2070.13-0.50
vuurwerk.nl12,3470.1312,0670.13-1.57
newaccount.com12,1130.1211,6440.120.08
mtu.ru12,0860.1211,1780.124.01
vonoc.net12,0790.128,0590.0944.19
4ph.com12,0600.1211,5880.120.12
conepuppy.com12,0490.1200.000.00
kidc.net12,0430.1212,6660.14-8.53
netnation.com12,0040.1211,5470.120.01
tierra.net12,0040.1211,6980.13-1.28
sunrise.ch11,9270.1211,2930.121.60
ripn.net11,8620.1212,4370.13-8.25
fastnameserv.com11,8430.1212,7440.14-10.60
broadwing.net11,7670.1211,3790.12-0.52
viawest.net11,7500.1210,0440.1112.54
netsol.com11,5930.1210,8250.123.03
softcomca.com11,5190.1211,0910.12-0.09
idc.ad.jp11,3990.1211,4830.12-4.50
aspadmin.com11,3730.1211,4550.12-4.49
guangzhou.gd.cn11,2550.129,4710.1014.32
national-net.com11,2520.1210,0770.117.42
agarik.com11,2420.1200.000.00
vcommerce.com11,1570.1210,7100.110.22
powersurge.net10,9350.119,8960.116.30
tiscali.nl10,9150.1110,8260.12-3.01
nxs.nl10,8460.1110,7940.12-3.34
bt.net10,7760.1110,1090.112.55
uni2.net10,7180.1111,4730.12-10.13
hinet.net10,6200.1110,1720.110.44
dellhost.com10,5810.1110,3390.11-1.55
enternet.com.pl10,5180.119,5330.106.14
global.net.uk10,3470.1110,0260.11-0.72
xor.com10,2600.111990.004859.88
sakura.ad.jp10,0150.109,4540.101.91
netfire.com9,9960.109,5580.100.61
gldn.net9,9660.109,4980.100.94
masterhost.ru9,8950.109,4250.101.00
hosteurope.de9,7790.108,1880.0914.89
fastdns.net9,6910.108,8350.095.52
globix.net9,6550.109,1470.101.54
vwh1.net9,5530.109,6820.10-5.08
servidoresdns.net9,5470.1000.000.00
gxn.net9,3000.108,3120.097.64
netservers.net9,2990.1010,8990.12-17.92
boca15-verio.com9,2330.109,0030.10-1.34
ns19,2150.107,9900.0910.95
speakeasy.net9,2050.098,3590.095.94
xs4all.nl9,1870.098,7710.090.76
magic-moments.com9,1460.098,5890.092.44
your-server.de9,1350.098,2780.096.16
crystaltech.com8,9870.098,0470.097.44
dv2.net8,8850.095,4960.0655.52
netcom.ca8,8840.098,3690.092.12
california.net8,8700.099,2220.10-7.47
nameservers.net8,7840.098,2610.092.29
donhost.co.uk8,6920.097,9700.094.92
inet.it8,5660.098,1330.091.32
orc.ru8,5310.098,0270.092.24
advancedaccess.com8,4870.098,4020.09-2.83
metronet.ca8,4780.098,2840.09-1.55
candidhosting.com8,4570.098,1510.09-0.19
nl.net8,4300.098,3810.09-3.24
ladot.com8,4000.097,8310.083.19
oklahoma.net8,3960.0910,5930.11-23.75
mcbone.net8,3720.097,8570.082.51
telstra.net8,3620.097,9670.090.97
fast.net8,3400.097,8990.081.57
pajo.com8,3210.097,7720.083.00
cybercon.com8,2210.082,1510.02267.67
tmag.de8,2190.087,7470.082.06
cybercity.dk8,1970.088,1690.09-3.47
servepath.com8,1960.087,7970.081.12
home.pl8,1720.088,0220.09-2.00
mailbox.co.uk8,1700.08780.009976.38
iunet.it8,1190.087,9780.09-2.10
u-net.net7,9770.088,2730.09-7.24
internet-dns.net7,8750.087,7700.08-2.50
city-guide.com7,8510.087,2500.084.18
likewhoa.com7,8170.089,5700.10-21.42
cpsoftwaregroup.com7,7840.087,4870.080.02
activeisp.com7,7780.087,4950.08-0.17
westmaster.com7,6690.087,7190.08-4.42
newedgenetworks.com7,6620.086,7420.079.33
tucows.com7,6310.087,2860.080.76
oleane.net7,4020.087,1460.08-0.35
netgate.net.nz7,3840.087,1790.08-1.05
enta.net7,2830.086,8340.072.52
cymitar.net7,2390.077,1750.08-2.94
idx.net7,1650.076,9800.07-1.25
firstserver.ne.jp7,1140.076,7140.071.93
yipes.com6,9850.077,5370.08-10.85
mach10hosting.com6,9310.076,4950.072.66
wnclientroot.com6,9280.074,8350.0537.84
netaxs.com6,9140.076,5290.071.87
bta.net.cn6,8360.074,3390.0551.56
dknet.dk6,8350.076,7950.07-3.23
net.ru6,7510.076,1400.075.77
digiweb2.dk6,7490.076,8430.07-5.12
intermedia.net6,7420.076,5200.07-0.52
hrnoc.net6,6830.074,0530.0458.63
tiscalinet.it6,6480.076,2830.071.79
swip.net6,6360.076,5300.07-2.24
isdnet.net6,5810.076,2320.071.59
bluegravity.com6,5530.076,3650.07-0.96
ipworldcom.ca6,5010.071,0600.01490.00
dns.fz.fj.cn6,4860.07960.006399.54
force9.net6,4730.076,1470.071.30
ilan.net6,4410.076,2230.07-0.43
mex.ad.jp6,3940.075,9280.063.76
one-2-one.net6,3620.076,0390.061.35
ns.nic.mx6,3510.075,9560.062.58
star.co.uk6,3070.076,1010.07-0.55
0catch.com6,2750.065,4700.0610.36
ippro.net6,2750.065,8510.063.17
interliant.com6,1900.066,1400.07-3.02
mail.ru6,1800.065,8170.062.20
mindspring.net6,1650.066,0560.06-2.07
readyhosting.com6,1060.066,1850.07-5.03
stargate.net6,0890.065,4060.068.35
cent.net6,0560.065,7930.060.57

* 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.



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