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.

ISP Domain Name	Mar 2003 Count*	Mar 2003 %	Feb 2003 Count*	Feb 2003 %	Growth %
verio.net	464,396	4.79	408,473	4.38	9.37
uu.net	398,589	4.11	384,827	4.13	-0.36
schlund.de	231,459	2.39	217,772	2.34	2.25
cwie.net	174,545	1.80	224,263	2.41	-25.13
lacnic.net	159,167	1.64	150,892	1.62	1.48
sprintlink.net	156,626	1.62	151,418	1.62	-0.49
above.net	136,448	1.41	130,356	1.40	0.70
ns.dns.br	124,722	1.29	118,282	1.27	1.44
level3.net	120,561	1.24	142,862	1.53	-18.82
att.net	116,191	1.20	109,022	1.17	2.53
exodus.net	116,118	1.20	129,690	1.39	-13.87
hosting4u.net	109,311	1.13	98,631	1.06	6.62
xlink.net	97,844	1.01	93,176	1.00	1.02
qwest.net	97,239	1.00	93,547	1.00	0.00
ev1.net	96,519	1.00	84,079	0.90	10.43
interland.net	95,121	0.98	93,732	1.01	-2.37
pnap.net	92,814	0.96	87,666	0.94	1.85
about.com	87,471	0.90	83,140	0.89	1.21
dn.net	87,441	0.90	86,447	0.93	-2.69
cw.net	80,711	0.83	80,025	0.86	-2.97
tpsa.pl	80,066	0.83	77,435	0.83	-0.53
he.net	79,451	0.82	73,517	0.79	3.97
tera-byte.com	76,305	0.79	72,712	0.78	0.95
cogentco.com	75,776	0.78	64,335	0.69	13.31
secure.net	73,875	0.76	72,660	0.78	-2.19
rackspace.com	69,637	0.72	85,298	0.91	-21.46
earthlink.net	67,940	0.70	66,296	0.71	-1.41
alabanza.com	67,646	0.70	58,315	0.63	11.59
dialtoneinternet.net	58,829	0.61	56,059	0.60	0.95
infoseek.co.jp	47,005	0.48	41,130	0.44	9.94
host4u.net	46,044	0.48	42,738	0.46	3.64
demon.co.uk	42,905	0.44	42,753	0.46	-3.46
dtag.de	42,505	0.44	41,587	0.45	-1.68
lycos.com	42,020	0.43	38,876	0.42	3.98
concentric.net	41,719	0.43	19,953	0.21	101.14
homestead.com	41,672	0.43	39,247	0.42	2.14
pair.com	41,344	0.43	40,140	0.43	-0.91
pbi.net	39,888	0.41	40,577	0.44	-5.43
yahoo.com	39,654	0.41	45,084	0.48	-15.39
nac.net	37,646	0.39	32,888	0.35	10.12
algx.net	37,024	0.38	35,393	0.38	0.63
tele.dk	36,522	0.38	36,365	0.39	-3.38
ig.com.br	36,304	0.37	33,800	0.36	3.33
fasthosts.net.uk	36,296	0.37	34,897	0.37	0.06
gtei.net	35,964	0.37	34,699	0.37	-0.29
spylog.com	35,198	0.36	32,818	0.35	3.18
valueweb.net	34,436	0.36	32,939	0.35	0.57
proxad.net	34,376	0.35	31,789	0.34	4.03
splitinfinity.net	34,181	0.35	5,709	0.06	475.97
yandex.ru	32,908	0.34	30,399	0.33	4.14
interbusiness.it	32,730	0.34	32,148	0.34	-2.06
tac.net	32,142	0.33	30,818	0.33	0.33
siteprotect.com	31,582	0.33	30,201	0.32	0.60
datasync.com	30,835	0.32	28,163	0.30	5.33
maxim.net	29,749	0.31	29,232	0.31	-2.10
bellsouth.net	29,667	0.31	27,042	0.29	5.54
pri-dns.de	29,619	0.31	27,052	0.29	5.33
superb.net	28,945	0.30	27,578	0.30	0.97
cnc.ac.cn	28,913	0.30	27,636	0.30	0.65
widexs.nl	28,211	0.29	27,144	0.29	-0.02
eli.net	25,596	0.26	23,869	0.26	3.16
datapipe.net	24,701	0.25	23,284	0.25	2.05
affinity.com	24,692	0.25	7,885	0.08	201.25
rain.fr	22,944	0.24	21,976	0.24	0.44
gblx.net	22,595	0.23	22,050	0.24	-1.42
savvis.net	22,464	0.23	21,650	0.23	-0.18
clara.net	22,394	0.23	21,557	0.23	-0.06
futuro.pl	22,175	0.23	19,032	0.20	12.09
ocn.ad.jp	21,622	0.22	20,635	0.22	0.80
cihost.com	20,841	0.22	16,484	0.18	21.63
cerf.net	20,840	0.22	19,105	0.20	4.94
aitcom.net	20,067	0.21	19,429	0.21	-0.64
digex.com	20,013	0.21	19,696	0.21	-2.25
register.com	19,703	0.20	18,601	0.20	1.90
easynet.co.uk	19,536	0.20	19,478	0.21	-3.51
uk2net.com	19,484	0.20	18,353	0.20	2.13
pick.net	19,364	0.20	18,013	0.19	3.42
pipex.net	19,282	0.20	18,895	0.20	-1.83
telia.com	19,096	0.20	18,377	0.20	-0.04
theplanet.com	19,078	0.20	17,074	0.18	7.49
webfusion.co.uk	19,039	0.20	18,014	0.19	1.67
intouch.nl	18,979	0.20	18,864	0.20	-3.21
rt.ru	18,917	0.20	18,145	0.19	0.29
meganameservers.com	18,739	0.19	17,591	0.19	2.48
harvard.net	18,595	0.19	18,313	0.20	-2.32
teleglobe.net	18,214	0.19	18,861	0.20	-7.10
ip-plus.net	18,213	0.19	17,021	0.18	2.94
theplanet.net	18,106	0.19	17,721	0.19	-1.71
burst.net	18,095	0.19	16,374	0.18	6.31
inflow.net	17,849	0.18	17,029	0.18	0.83
9netave.com	17,639	0.18	17,910	0.19	-5.26
bellglobal.com	17,492	0.18	12,865	0.14	30.80
ns0.com	17,401	0.18	16,766	0.18	-0.16
kornet.net	16,841	0.17	15,796	0.17	2.56
peer1.net	16,743	0.17	16,345	0.18	-1.46
uunet.ca	16,681	0.17	15,017	0.16	6.86
komplex.net	16,522	0.17	15,464	0.17	2.78
colt.net	16,516	0.17	14,271	0.15	11.33
aunet.net	16,305	0.17	15,558	0.17	0.82
chinanetcenter.com	16,305	0.17	15,558	0.17	0.82
localhost	16,216	0.17	13,548	0.15	15.15
technorail.com	15,907	0.16	0	0.00	0.00
dreamhost.com	15,892	0.16	0	0.00	0.00
sta.net.cn	15,582	0.16	14,898	0.16	0.62
web2010.com	15,533	0.16	14,909	0.16	0.23
gngidc.net	15,500	0.16	8,788	0.09	69.68
ns.embratel.net.br	15,455	0.16	14,666	0.16	1.38
swbell.net	15,409	0.16	15,446	0.17	-4.03
twnic.net	15,229	0.16	14,376	0.15	1.91
interq.or.jp	14,902	0.15	13,824	0.15	3.70
rtcomm.ru	14,752	0.15	14,183	0.15	0.06
rr.com	14,639	0.15	13,357	0.14	5.43
vdi.net	14,638	0.15	14,177	0.15	-0.67
sphere.ad.jp	14,557	0.15	13,584	0.15	3.09
ovh.net	14,425	0.15	13,831	0.15	0.33
jomax.net	14,213	0.15	12,386	0.13	10.39
leaseweb.nl	14,141	0.15	13,930	0.15	-2.34
bsdhost.net	13,876	0.14	12,851	0.14	3.87
ipowerweb.net	13,627	0.14	11,842	0.13	10.70
addr.com	13,521	0.14	12,422	0.13	4.71
psi.ca	13,415	0.14	13,411	0.14	-3.77
abac.com	13,414	0.14	12,649	0.14	2.02
in2net.com	13,383	0.14	11,625	0.12	10.75
twtelecom.net	13,326	0.14	18,617	0.20	-31.14
namespace4you.de	12,891	0.13	11,832	0.13	4.81
dacom.co.kr	12,858	0.13	12,278	0.13	0.74
ttd.net	12,855	0.13	12,627	0.14	-2.06
dion.ne.jp	12,828	0.13	11,812	0.13	4.48
sfl.net	12,703	0.13	12,371	0.13	-1.22
psi.net	12,688	0.13	13,285	0.14	-8.12
nacamar.net	12,626	0.13	12,207	0.13	-0.50
vuurwerk.nl	12,347	0.13	12,067	0.13	-1.57
newaccount.com	12,113	0.12	11,644	0.12	0.08
mtu.ru	12,086	0.12	11,178	0.12	4.01
vonoc.net	12,079	0.12	8,059	0.09	44.19
4ph.com	12,060	0.12	11,588	0.12	0.12
conepuppy.com	12,049	0.12	0	0.00	0.00
kidc.net	12,043	0.12	12,666	0.14	-8.53
netnation.com	12,004	0.12	11,547	0.12	0.01
tierra.net	12,004	0.12	11,698	0.13	-1.28
sunrise.ch	11,927	0.12	11,293	0.12	1.60
ripn.net	11,862	0.12	12,437	0.13	-8.25
fastnameserv.com	11,843	0.12	12,744	0.14	-10.60
broadwing.net	11,767	0.12	11,379	0.12	-0.52
viawest.net	11,750	0.12	10,044	0.11	12.54
netsol.com	11,593	0.12	10,825	0.12	3.03
softcomca.com	11,519	0.12	11,091	0.12	-0.09
idc.ad.jp	11,399	0.12	11,483	0.12	-4.50
aspadmin.com	11,373	0.12	11,455	0.12	-4.49
guangzhou.gd.cn	11,255	0.12	9,471	0.10	14.32
national-net.com	11,252	0.12	10,077	0.11	7.42
agarik.com	11,242	0.12	0	0.00	0.00
vcommerce.com	11,157	0.12	10,710	0.11	0.22
powersurge.net	10,935	0.11	9,896	0.11	6.30
tiscali.nl	10,915	0.11	10,826	0.12	-3.01
nxs.nl	10,846	0.11	10,794	0.12	-3.34
bt.net	10,776	0.11	10,109	0.11	2.55
uni2.net	10,718	0.11	11,473	0.12	-10.13
hinet.net	10,620	0.11	10,172	0.11	0.44
dellhost.com	10,581	0.11	10,339	0.11	-1.55
enternet.com.pl	10,518	0.11	9,533	0.10	6.14
global.net.uk	10,347	0.11	10,026	0.11	-0.72
xor.com	10,260	0.11	199	0.00	4859.88
sakura.ad.jp	10,015	0.10	9,454	0.10	1.91
netfire.com	9,996	0.10	9,558	0.10	0.61
gldn.net	9,966	0.10	9,498	0.10	0.94
masterhost.ru	9,895	0.10	9,425	0.10	1.00
hosteurope.de	9,779	0.10	8,188	0.09	14.89
fastdns.net	9,691	0.10	8,835	0.09	5.52
globix.net	9,655	0.10	9,147	0.10	1.54
vwh1.net	9,553	0.10	9,682	0.10	-5.08
servidoresdns.net	9,547	0.10	0	0.00	0.00
gxn.net	9,300	0.10	8,312	0.09	7.64
netservers.net	9,299	0.10	10,899	0.12	-17.92
boca15-verio.com	9,233	0.10	9,003	0.10	-1.34
ns1	9,215	0.10	7,990	0.09	10.95
speakeasy.net	9,205	0.09	8,359	0.09	5.94
xs4all.nl	9,187	0.09	8,771	0.09	0.76
magic-moments.com	9,146	0.09	8,589	0.09	2.44
your-server.de	9,135	0.09	8,278	0.09	6.16
crystaltech.com	8,987	0.09	8,047	0.09	7.44
dv2.net	8,885	0.09	5,496	0.06	55.52
netcom.ca	8,884	0.09	8,369	0.09	2.12
california.net	8,870	0.09	9,222	0.10	-7.47
nameservers.net	8,784	0.09	8,261	0.09	2.29
donhost.co.uk	8,692	0.09	7,970	0.09	4.92
inet.it	8,566	0.09	8,133	0.09	1.32
orc.ru	8,531	0.09	8,027	0.09	2.24
advancedaccess.com	8,487	0.09	8,402	0.09	-2.83
metronet.ca	8,478	0.09	8,284	0.09	-1.55
candidhosting.com	8,457	0.09	8,151	0.09	-0.19
nl.net	8,430	0.09	8,381	0.09	-3.24
ladot.com	8,400	0.09	7,831	0.08	3.19
oklahoma.net	8,396	0.09	10,593	0.11	-23.75
mcbone.net	8,372	0.09	7,857	0.08	2.51
telstra.net	8,362	0.09	7,967	0.09	0.97
fast.net	8,340	0.09	7,899	0.08	1.57
pajo.com	8,321	0.09	7,772	0.08	3.00
cybercon.com	8,221	0.08	2,151	0.02	267.67
tmag.de	8,219	0.08	7,747	0.08	2.06
cybercity.dk	8,197	0.08	8,169	0.09	-3.47
servepath.com	8,196	0.08	7,797	0.08	1.12
home.pl	8,172	0.08	8,022	0.09	-2.00
mailbox.co.uk	8,170	0.08	78	0.00	9976.38
iunet.it	8,119	0.08	7,978	0.09	-2.10
u-net.net	7,977	0.08	8,273	0.09	-7.24
internet-dns.net	7,875	0.08	7,770	0.08	-2.50
city-guide.com	7,851	0.08	7,250	0.08	4.18
likewhoa.com	7,817	0.08	9,570	0.10	-21.42
cpsoftwaregroup.com	7,784	0.08	7,487	0.08	0.02
activeisp.com	7,778	0.08	7,495	0.08	-0.17
westmaster.com	7,669	0.08	7,719	0.08	-4.42
newedgenetworks.com	7,662	0.08	6,742	0.07	9.33
tucows.com	7,631	0.08	7,286	0.08	0.76
oleane.net	7,402	0.08	7,146	0.08	-0.35
netgate.net.nz	7,384	0.08	7,179	0.08	-1.05
enta.net	7,283	0.08	6,834	0.07	2.52
cymitar.net	7,239	0.07	7,175	0.08	-2.94
idx.net	7,165	0.07	6,980	0.07	-1.25
firstserver.ne.jp	7,114	0.07	6,714	0.07	1.93
yipes.com	6,985	0.07	7,537	0.08	-10.85
mach10hosting.com	6,931	0.07	6,495	0.07	2.66
wnclientroot.com	6,928	0.07	4,835	0.05	37.84
netaxs.com	6,914	0.07	6,529	0.07	1.87
bta.net.cn	6,836	0.07	4,339	0.05	51.56
dknet.dk	6,835	0.07	6,795	0.07	-3.23
net.ru	6,751	0.07	6,140	0.07	5.77
digiweb2.dk	6,749	0.07	6,843	0.07	-5.12
intermedia.net	6,742	0.07	6,520	0.07	-0.52
hrnoc.net	6,683	0.07	4,053	0.04	58.63
tiscalinet.it	6,648	0.07	6,283	0.07	1.79
swip.net	6,636	0.07	6,530	0.07	-2.24
isdnet.net	6,581	0.07	6,232	0.07	1.59
bluegravity.com	6,553	0.07	6,365	0.07	-0.96
ipworldcom.ca	6,501	0.07	1,060	0.01	490.00
dns.fz.fj.cn	6,486	0.07	96	0.00	6399.54
force9.net	6,473	0.07	6,147	0.07	1.30
ilan.net	6,441	0.07	6,223	0.07	-0.43
mex.ad.jp	6,394	0.07	5,928	0.06	3.76
one-2-one.net	6,362	0.07	6,039	0.06	1.35
ns.nic.mx	6,351	0.07	5,956	0.06	2.58
star.co.uk	6,307	0.07	6,101	0.07	-0.55
0catch.com	6,275	0.06	5,470	0.06	10.36
ippro.net	6,275	0.06	5,851	0.06	3.17
interliant.com	6,190	0.06	6,140	0.07	-3.02
mail.ru	6,180	0.06	5,817	0.06	2.20
mindspring.net	6,165	0.06	6,056	0.06	-2.07
readyhosting.com	6,106	0.06	6,185	0.07	-5.03
stargate.net	6,089	0.06	5,406	0.06	8.35
cent.net	6,056	0.06	5,793	0.06	0.57

* 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.