Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 9188014 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	Jan 2003 Count*	Jan 2003 %	Dec 2002 Count*	Dec 2002 %	Growth %
cwie.net	626,159	6.81	161	0.00	369752.85
uu.net	332,407	3.62	344,009	3.94	-8.11
verio.net	181,799	1.98	307,092	3.51	-43.70
level3.net	141,904	1.54	138,912	1.59	-2.85
lacnic.net	138,828	1.51	128,740	1.47	2.55
sprintlink.net	114,847	1.25	110,365	1.26	-1.04
ns.dns.br	108,223	1.18	100,640	1.15	2.26
att.net	90,182	0.98	90,559	1.04	-5.30
xlink.net	86,789	0.94	21	0.00	392920.86
above.net	85,505	0.93	108,697	1.24	-25.19
qwest.net	80,186	0.87	69,163	0.79	10.25
pnap.net	79,545	0.87	75,750	0.87	-0.14
about.com	76,534	0.83	70,407	0.81	3.37
earthlink.net	63,800	0.69	44,241	0.51	37.14
cogentco.com	58,349	0.64	52,033	0.60	6.64
cw.net	58,185	0.63	61,024	0.70	-9.33
interland.net	57,445	0.63	77,750	0.89	-29.74
exodus.net	55,397	0.60	101,840	1.17	-48.27
alabanza.com	54,092	0.59	52,767	0.60	-2.51
dialtoneinternet.net	53,597	0.58	7,781	0.09	555.05
dn.net	44,439	0.48	65,444	0.75	-35.42
demon.co.uk	42,740	0.47	41,051	0.47	-0.99
ev1.net	42,424	0.46	3,285	0.04	1128.14
concentric.net	35,636	0.39	15,876	0.18	113.46
tele.dk	35,331	0.38	34,002	0.39	-1.19
rackspace.com	35,084	0.38	23,344	0.27	42.92
schlund.de	34,395	0.37	150,311	1.72	-78.24
he.net	32,011	0.35	22,062	0.25	37.98
gtei.net	30,805	0.34	28,105	0.32	4.23
ig.com.br	30,657	0.33	27,355	0.31	6.58
spylog.com	30,202	0.33	0	0.00	0.00
tpsa.pl	30,142	0.33	73,263	0.84	-60.87
yahoo.com	29,281	0.32	3,672	0.04	658.32
secure.net	29,203	0.32	26,911	0.31	3.20
bluemongoose.com	26,767	0.29	0	0.00	0.00
algx.net	24,478	0.27	16,177	0.19	43.90
dtag.de	23,955	0.26	37,062	0.42	-38.53
tac.net	23,496	0.26	10,306	0.12	116.81
siteprotect.com	23,197	0.25	8,183	0.09	169.58
pri-dns.de	22,698	0.25	19,399	0.22	11.27
pbi.net	22,540	0.25	37,606	0.43	-43.00
gblx.net	20,739	0.23	17,053	0.20	15.65
interbusiness.it	20,150	0.22	28,325	0.32	-32.35
datapipe.net	19,633	0.21	10,228	0.12	82.54
teleglobe.net	19,295	0.21	12,772	0.15	43.67
host4u.net	18,525	0.20	17,606	0.20	0.06
harvard.net	18,448	0.20	15,607	0.18	12.41
bellsouth.net	18,324	0.20	22,240	0.25	-21.65
pipex.net	18,232	0.20	17,073	0.20	1.55
superb.net	18,217	0.20	0	0.00	0.00
maxim.net	18,050	0.20	21,913	0.25	-21.67
rain.fr	17,480	0.19	19,035	0.22	-12.67
theplanet.net	16,607	0.18	15,507	0.18	1.84
futuro.pl	15,489	0.17	2,060	0.02	615.03
valueweb.net	15,406	0.17	17,717	0.20	-17.31
affinity.com	15,087	0.16	6,019	0.07	138.37
cihost.com	14,784	0.16	13,658	0.16	2.94
chinanetcenter.com	14,623	0.16	3,762	0.04	269.65
aunet.net	14,623	0.16	6,825	0.08	103.75
komplex.net	14,355	0.16	0	0.00	0.00
ip-plus.net	14,081	0.15	16,137	0.18	-17.02
ns.embratel.net.br	13,764	0.15	4,006	0.05	226.74
newdream.net	13,653	0.15	2	0.00	649084.75
leaseweb.nl	13,506	0.15	0	0.00	0.00
rtcomm.ru	13,403	0.15	15,496	0.18	-17.75
sta.net.cn	12,950	0.14	10,670	0.12	15.42
psi.net	12,783	0.14	11,752	0.13	3.44
twtelecom.net	12,732	0.14	13,989	0.16	-13.45
burst.net	12,696	0.14	3,790	0.04	218.56
technorail.com	12,655	0.14	10,969	0.13	9.71
rr.com	12,132	0.13	8,608	0.10	34.03
inflow.net	11,984	0.13	3,176	0.04	258.83
vuurwerk.nl	11,805	0.13	10,703	0.12	4.89
fastnameserv.com	11,732	0.13	2,853	0.03	291.06
bsdhost.net	11,618	0.13	10,077	0.12	9.64
telia.com	11,604	0.13	14,612	0.17	-24.48
uni2.net	11,371	0.12	10,728	0.12	0.80
pick.net	11,368	0.12	4,900	0.06	120.63
nac.net	11,096	0.12	13,562	0.16	-22.19
ripn.net	11,034	0.12	10,924	0.13	-3.94
swbell.net	10,839	0.12	12,304	0.14	-16.23
netnation.com	10,794	0.12	2,960	0.03	246.79
sunrise.ch	10,784	0.12	9,733	0.11	5.37
cerf.net	10,694	0.12	5,501	0.06	84.87
eli.net	10,630	0.12	19,050	0.22	-46.93
namespace4you.de	10,592	0.12	0	0.00	0.00
tiscali.nl	10,561	0.11	9,692	0.11	3.62
4ph.com	10,549	0.11	1,756	0.02	471.29
conepuppy.com	10,262	0.11	3,035	0.03	221.55
jomax.net	10,260	0.11	0	0.00	0.00
vcommerce.com	10,228	0.11	9,575	0.11	1.58
sfl.net	10,185	0.11	9,040	0.10	7.14
idc.ad.jp	10,054	0.11	715	0.01	1237.22
aitcom.net	9,866	0.11	12,115	0.14	-22.56
mtu.ru	9,772	0.11	6,949	0.08	33.73
nacamar.net	9,643	0.10	11,604	0.13	-20.97
pair.com	9,638	0.10	21,340	0.24	-57.05
ipowerweb.net	9,629	0.10	0	0.00	0.00
global.net.uk	9,592	0.10	8,933	0.10	2.11
gldn.net	9,569	0.10	7,087	0.08	28.40
vdi.net	9,554	0.10	478	0.01	1800.76
national-net.com	9,522	0.10	7,385	0.08	22.62
likewhoa.com	9,337	0.10	8,592	0.10	3.34
netfire.com	8,999	0.10	8,730	0.10	-1.97
gxn.net	8,706	0.09	8,118	0.09	1.99
sakura.ad.jp	8,647	0.09	2,159	0.02	280.88
savvis.net	8,514	0.09	17,985	0.21	-54.98
twnic.net	8,375	0.09	12,343	0.14	-35.47
broadwing.net	8,304	0.09	11,721	0.13	-32.63
ocn.ad.jp	8,282	0.09	5,357	0.06	47.02
advancedaccess.com	8,252	0.09	0	0.00	0.00
ttd.net	8,011	0.09	10,746	0.12	-29.11
candidhosting.com	7,813	0.09	1,229	0.01	504.56
sphere.ad.jp	7,779	0.08	4,168	0.05	77.49
peer1.net	7,637	0.08	9,081	0.10	-20.02
westmaster.com	7,598	0.08	0	0.00	0.00
iunet.it	7,425	0.08	6,946	0.08	1.66
xs4all.nl	7,410	0.08	7,462	0.09	-5.56
nameservers.net	7,401	0.08	3,610	0.04	94.96
mcbone.net	7,398	0.08	7,105	0.08	-0.98
tmag.de	7,372	0.08	6,918	0.08	1.34
fastdns.net	7,211	0.08	2,802	0.03	144.74
cpsoftwaregroup.com	7,084	0.08	0	0.00	0.00
boca15-verio.com	7,017	0.08	3,154	0.04	111.57
bellglobal.com	7,002	0.08	10,816	0.12	-38.44
u-net.net	6,967	0.08	7,717	0.09	-14.14
donhost.co.uk	6,920	0.08	0	0.00	0.00
coop.net	6,885	0.07	5,017	0.06	30.51
netservers.net	6,859	0.07	3,796	0.04	71.83
digiweb2.dk	6,796	0.07	0	0.00	0.00
cnc.ac.cn	6,767	0.07	22,323	0.26	-71.17
mach10hosting.com	6,751	0.07	0	0.00	0.00
dknet.dk	6,647	0.07	6,143	0.07	2.90
dion.ne.jp	6,574	0.07	4,280	0.05	46.07
speakeasy.net	6,561	0.07	6,150	0.07	1.45
city-guide.com	6,503	0.07	784	0.01	688.80
interq.or.jp	6,459	0.07	5,844	0.07	5.11
pbuilder.com	6,424	0.07	3	0.00	203535.97
idx.net	6,360	0.07	5,703	0.07	6.05
sagonet.com	6,341	0.07	4,777	0.05	26.23
powersurge.net	6,303	0.07	2,811	0.03	113.23
enta.net	6,291	0.07	1,648	0.02	263.02
intermedia.net	6,249	0.07	370	0.00	1506.12
nl.net	6,207	0.07	8,014	0.09	-26.34
bur-ns1-ms	6,090	0.07	0	0.00	0.00
andara.com	6,034	0.07	10,188	0.12	-43.68
wcg.net	6,032	0.07	3,638	0.04	57.68
uunet.ca	6,028	0.07	11,981	0.14	-52.15
readyhosting.com	5,988	0.07	5,715	0.07	-0.36
abac.com	5,894	0.06	968	0.01	479.04
isdnet.net	5,858	0.06	5,322	0.06	4.68
oleane.net	5,831	0.06	6,348	0.07	-12.65
guangzhou.gd.cn	5,733	0.06	13,147	0.15	-58.53
tiscalinet.it	5,663	0.06	19	0.00	28244.13
ns.nic.mx	5,651	0.06	5,172	0.06	3.91
mindspring.net	5,565	0.06	5,164	0.06	2.48
internetive.net	5,529	0.06	5,237	0.06	0.40
cent.net	5,431	0.06	5,000	0.06	3.30
mail.ru	5,382	0.06	0	0.00	0.00
net.ru	5,360	0.06	238	0.00	2041.70
localhost	5,298	0.06	8,074	0.09	-37.60
cymitar.net	5,287	0.06	0	0.00	0.00
inet.it	5,271	0.06	5,361	0.06	-6.50
covad.net	5,231	0.06	3,491	0.04	42.50
imconline.net	5,203	0.06	1,056	0.01	368.55
rnc.ro	5,186	0.06	6,357	0.07	-22.42
bt.net	5,167	0.06	8,703	0.10	-43.54
internet-dns.net	5,111	0.06	121	0.00	3916.90
bt.co.uk	5,102	0.06	4,781	0.05	1.48
zenon.net	5,096	0.06	0	0.00	0.00
hinet.net	5,047	0.05	5,710	0.07	-15.94
netaxs.com	4,937	0.05	5,228	0.06	-10.20
vwh1.net	4,831	0.05	3,843	0.04	19.55
ns1	4,821	0.05	2,409	0.03	90.31
btwebworld.com	4,807	0.05	0	0.00	0.00
dircon.co.uk	4,792	0.05	295	0.00	1444.77
eunet.cz	4,766	0.05	4,452	0.05	1.80
hosting4u.net	4,758	0.05	41,729	0.48	-89.16
terraempresas.com.br	4,703	0.05	2,397	0.03	86.59
nextra.no	4,697	0.05	4,516	0.05	-1.09
voyager.net	4,685	0.05	2,197	0.03	102.79
hostnoc.net	4,642	0.05	936	0.01	371.63
terra.com.br	4,605	0.05	148	0.00	2858.95
sprintnetops.net	4,605	0.05	4,369	0.05	0.23
gaoland.net	4,592	0.05	4,190	0.05	4.22
domicile.fr	4,547	0.05	4,042	0.05	6.98
web1000.com	4,479	0.05	4,052	0.05	5.12
dnssolution.com	4,477	0.05	700	0.01	508.22
sci.fi	4,459	0.05	3,285	0.04	29.08
lasvegas.net	4,443	0.05	0	0.00	0.00
domainnameservers.net	4,411	0.05	662	0.01	533.65
your-site.com	4,393	0.05	0	0.00	0.00
jumpline2000.net	4,386	0.05	1,664	0.02	150.66
songnet.fi	4,376	0.05	3,588	0.04	15.98
uol.com.br	4,367	0.05	8	0.00	51811.48
relcom.ru	4,349	0.05	8,295	0.09	-50.14
interware.hu	4,340	0.05	0	0.00	0.00
swip.net	4,317	0.05	6,065	0.07	-32.31
ai.net	4,297	0.05	3,135	0.04	30.35
dynamicweb.net	4,293	0.05	4,020	0.05	1.56
ision.net.uk	4,266	0.05	0	0.00	0.00
ipworldcom.ca	4,234	0.05	572	0.01	603.92
serwery.pl	4,209	0.05	0	0.00	0.00
isprime.com	4,194	0.05	3,325	0.04	19.95
dk.net	4,165	0.05	4,014	0.05	-1.32
cais.com	4,124	0.04	4,515	0.05	-13.14
nwrks.net	4,117	0.04	3,673	0.04	6.59
ibm.com	4,115	0.04	3,711	0.04	5.45
newaccount.com	4,063	0.04	7,125	0.08	-45.77
datacenter1.com.br	4,056	0.04	2,433	0.03	58.54
is.co.za	4,041	0.04	3,726	0.04	3.14
eu.net	4,012	0.04	4,509	0.05	-15.38
pajo.com	3,940	0.04	5,972	0.07	-37.26
jay.net	3,922	0.04	0	0.00	0.00
ocn.ne.jp	3,917	0.04	1,556	0.02	139.39
appliedtheory.com	3,912	0.04	4,970	0.06	-25.15
msft.net	3,900	0.04	1,890	0.02	96.23
inode.at	3,850	0.04	2,846	0.03	28.65
shawcable.net	3,843	0.04	3,309	0.04	10.44
darenet.dk	3,829	0.04	2,082	0.02	74.89
ba-dsg.net	3,829	0.04	3,816	0.04	-4.58
atworks.co.jp	3,693	0.04	581	0.01	504.47
kpn.net	3,667	0.04	3,482	0.04	0.15
zjnbptt.net.cn	3,666	0.04	9	0.00	38636.48
futurequest.net	3,662	0.04	2,637	0.03	32.06
nb.ca	3,659	0.04	3,078	0.04	13.05
webcom.com	3,645	0.04	0	0.00	0.00
stargate.net	3,627	0.04	1,664	0.02	107.28
erols.net	3,602	0.04	2,985	0.03	14.75
kornet.net	3,602	0.04	4,028	0.05	-14.96
tip.net	3,578	0.04	3,305	0.04	2.95
renater.fr	3,540	0.04	3,277	0.04	2.73
tignet.com	3,515	0.04	3,217	0.04	3.91
clara.net	3,505	0.04	4,416	0.05	-24.52
nerim.net	3,496	0.04	454	0.01	632.29
interlink.net	3,492	0.04	2,922	0.03	13.65
rcn.net	3,487	0.04	3,866	0.04	-14.23
siol.net	3,465	0.04	3,194	0.04	3.17
westnet.net	3,455	0.04	3,699	0.04	-11.18
hrnoc.net	3,434	0.04	0	0.00	0.00
connect.com.au	3,423	0.04	4,486	0.05	-27.44
andersenit.dk	3,410	0.04	3,094	0.04	4.81
digitalchainsaw.net	3,402	0.04	3,226	0.04	0.29
teaminternet.dk	3,365	0.04	0	0.00	0.00
splitinfinity.net	3,338	0.04	4,000	0.05	-20.64
highwayone.net	3,335	0.04	3,057	0.03	3.75
cableinet.net	3,327	0.04	3,325	0.04	-4.85
iol.cz	3,285	0.04	2,986	0.03	4.62
ippro.net	3,284	0.04	1,237	0.01	152.47

* 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.