Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 2793753 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 2001 Count*	Apr 2001 %	Mar 2001 Count*	Mar 2001 %	Growth %	Buy this ISP's customer list
uu.net	127,490	4.56	120,861	4.57	-0.15	$81.87  Contact Us
verio.net	124,310	4.45	96,704	3.66	21.68	$81.08  Contact Us
cw.net	56,146	2.01	56,373	2.13	-5.73	$53.07  Contact Us
sprintlink.net	56,023	2.01	54,041	2.04	-1.87	$53.01  Contact Us
demon.co.uk	49,595	1.78	48,455	1.83	-3.12	$49.59  Contact Us
exodus.net	49,526	1.77	43,345	1.64	8.15	$49.53  Contact Us
schlund.de	44,976	1.61	38,057	1.44	11.86	$44.98  Contact Us
above.net	35,639	1.28	31,272	1.18	7.87	$35.64  Contact Us
att.net	35,504	1.27	32,223	1.22	4.29	$35.50  Contact Us
secure.net	35,055	1.25	18,789	0.71	76.60	$35.05  Contact Us
xlink.net	29,077	1.04	27,532	1.04	-0.03	$29.08  Contact Us
ns.dns.br	25,963	0.93	24,082	0.91	2.05	$25.96  Contact Us
psi.net	25,267	0.90	23,135	0.87	3.38	$25.27  Contact Us
host4u.net	23,679	0.85	15,342	0.58	46.09	$23.68  Contact Us
alabanza.com	23,444	0.84	16,855	0.64	31.66	$23.44  Contact Us
dtag.de	23,234	0.83	21,241	0.80	3.54	$23.23  Contact Us
interland.net	23,190	0.83	19,815	0.75	10.78	$23.19  Contact Us
digex.net	19,075	0.68	18,221	0.69	-0.91	$19.07  Contact Us
pbi.net	18,055	0.65	16,936	0.64	0.91	$18.05  Contact Us
gblx.net	17,589	0.63	19,573	0.74	-14.94	$17.59  Contact Us
telstra.net	17,549	0.63	16,934	0.64	-1.91	$17.55  Contact Us
pair.com	17,517	0.63	7,142	0.27	132.16	$17.52  Contact Us
tpsa.pl	17,455	0.62	16,199	0.61	1.99	$17.45  Contact Us
pnap.net	16,945	0.61	12,661	0.48	26.68	$16.95  Contact Us
level3.net	15,847	0.57	12,508	0.47	19.92	$15.85  Contact Us
qwest.net	15,592	0.56	16,197	0.61	-8.88	$15.59  Contact Us
earthlink.net	15,329	0.55	10,908	0.41	33.02	$15.33  Contact Us
lightrealm.net	15,180	0.54	13,524	0.51	6.25	$15.18  Contact Us
9netave.com	15,126	0.54	14,128	0.53	1.34	$15.13  Contact Us
interbusiness.it	13,896	0.50	13,499	0.51	-2.56	$13.90  Contact Us
aitcom.net	13,836	0.50	9,677	0.37	35.34	$13.84  Contact Us
mindspring.net	13,807	0.49	13,801	0.52	-5.30	$13.81  Contact Us
nameservers.net	13,142	0.47	8,097	0.31	53.63	$13.14  Contact Us
concentric.net	12,775	0.46	8,419	0.32	43.63	$12.78  Contact Us
nacamar.net	12,418	0.44	13,139	0.50	-10.54	$12.42  Contact Us
about.com	11,338	0.41	9,786	0.37	9.67	$11.34  Contact Us
valueweb.net	11,254	0.40	10,580	0.40	0.69	$11.25  Contact Us
savvis.net	11,100	0.40	10,491	0.40	0.15	$11.10  Contact Us
interliant.com	11,027	0.39	5,181	0.20	101.46	$11.03  Contact Us
tera-byte.com	10,264	0.37	9,219	0.35	5.38	$10.26  Contact Us
maxim.net	10,066	0.36	2,590	0.10	267.88	$10.07  Contact Us
homeseekers.com	10,005	0.36	9,658	0.37	-1.94	$10.01  Contact Us
yahoo.com	9,848	0.35	4,530	0.17	105.78	$10.00  Contact Us
pipex.net	9,669	0.35	9,428	0.36	-2.93	$10.00  Contact Us
ip-plus.net	9,536	0.34	9,173	0.35	-1.60	$10.00  Contact Us
nl.net	9,234	0.33	9,031	0.34	-3.22	$10.00  Contact Us
telia.com	8,852	0.32	8,857	0.33	-5.40	$10.00  Contact Us
near.net	8,839	0.32	8,128	0.31	2.94	$10.00  Contact Us
softaware.com	8,504	0.30	5,280	0.20	52.45	$10.00  Contact Us
web2010.com	8,484	0.30	2,581	0.10	211.14	$10.00  Contact Us
rackspace.com	8,229	0.29	4,608	0.17	69.04	$10.00  Contact Us
worldonline.nl	8,193	0.29	8,152	0.31	-4.87	$10.00  Contact Us
uswest.net	8,112	0.29	7,090	0.27	8.30	$10.00  Contact Us
he.net	8,064	0.29	7,244	0.27	5.37	$10.00  Contact Us
mspring.net	7,571	0.27	6,783	0.26	5.65	$10.00  Contact Us
gtn.com	7,564	0.27	6,922	0.26	3.43	$10.00  Contact Us
tac.net	7,334	0.26	5,669	0.21	22.46	$10.00  Contact Us
home.net	7,232	0.26	6,800	0.26	0.67	$10.00  Contact Us
ocn.ad.jp	7,181	0.26	4,532	0.17	49.98	$10.00  Contact Us
tele.dk	7,160	0.26	6,831	0.26	-0.79	$10.00  Contact Us
rain.fr	7,142	0.26	6,979	0.26	-3.13	$10.00  Contact Us
ttd.net	7,111	0.25	7,045	0.27	-4.46	$10.00  Contact Us
communitech.net	7,066	0.25	6,052	0.23	10.51	$10.00  Contact Us
register.com	6,878	0.25	789	0.03	725.14	$10.00  Contact Us
hosting4u.net	6,874	0.25	2,713	0.10	139.83	$10.00  Contact Us
vuurwerk.nl	6,857	0.25	6,758	0.26	-3.96	$10.00  Contact Us
dialtoneinternet.net	6,844	0.24	3,579	0.14	81.01	$10.00  Contact Us
bellsouth.net	6,816	0.24	6,062	0.23	6.43	$10.00  Contact Us
eli.net	6,717	0.24	6,544	0.25	-2.84	$10.00  Contact Us
newaccount.com	6,528	0.23	4,827	0.18	28.01	$10.00  Contact Us
netservers.net	6,163	0.22	2,515	0.10	131.95	$10.00  Contact Us
demos.su	6,149	0.22	6,175	0.23	-5.74	$10.00  Contact Us
best.com	6,045	0.22	4,799	0.18	19.23	$10.00  Contact Us
cnc.ac.cn	6,033	0.22	5,146	0.19	10.97	$10.00  Contact Us
netbenefit.co.uk	5,973	0.21	0	0.00	0.00	$10.00  Contact Us
theplanet.net	5,961	0.21	5,202	0.20	8.47	$10.00  Contact Us
cihost.com	5,530	0.20	4,325	0.16	21.03	$10.00  Contact Us
gtei.net	5,515	0.20	4,770	0.18	9.44	$10.00  Contact Us
swbell.net	5,386	0.19	4,134	0.16	23.32	$10.00  Contact Us
vwh1.net	5,352	0.19	3,851	0.15	31.55	$10.00  Contact Us
bt.net	5,313	0.19	5,615	0.21	-10.44	$10.00  Contact Us
gxn.net	5,216	0.19	2,016	0.08	144.90	$10.00  Contact Us
cais.com	5,198	0.19	4,899	0.19	0.43	$10.00  Contact Us
conepuppy.com	5,187	0.19	4,386	0.17	11.94	$10.00  Contact Us
onvoy.net	5,168	0.18	5,201	0.20	-5.95	$10.00  Contact Us
siteprotect.com	5,132	0.18	3,431	0.13	41.58	$10.00  Contact Us
oleane.net	5,030	0.18	5,000	0.19	-4.78	$10.00  Contact Us
demos-spb.ru	5,030	0.18	4,972	0.19	-4.24	$10.00  Contact Us
adgrafix.com	5,023	0.18	4,672	0.18	1.77	$10.00  Contact Us
u-net.net	4,987	0.18	5,346	0.20	-11.70	$10.00  Contact Us
rnc.ro	4,958	0.18	5,206	0.20	-9.85	$10.00  Contact Us
good.net	4,805	0.17	4,588	0.17	-0.87	$10.00  Contact Us
dns-host.com	4,779	0.17	4,401	0.17	2.78	$10.00  Contact Us
swip.net	4,770	0.17	4,726	0.18	-4.46	$10.00  Contact Us
xs4all.nl	4,758	0.17	4,589	0.17	-1.86	$10.00  Contact Us
genuity.net	4,683	0.17	4,495	0.17	-1.39	$10.00  Contact Us
firstworld.net	4,673	0.17	450	0.02	882.94	$10.00  Contact Us
uunet.ca	4,653	0.17	4,210	0.16	4.62	$10.00  Contact Us
globix.net	4,649	0.17	3,797	0.14	15.89	$10.00  Contact Us
ndirect.co.uk	4,547	0.16	4,476	0.17	-3.84	$10.00  Contact Us
barrnet.net	4,493	0.16	4,278	0.16	-0.59	$10.00  Contact Us
icg.net	4,466	0.16	3,846	0.15	9.91	$10.00  Contact Us
hispeedhosting.com	4,433	0.16	1,778	0.07	136.00	$10.00  Contact Us
addr.com	4,360	0.16	3,859	0.15	6.94	$10.00  Contact Us
dacom.co.kr	4,354	0.16	2,570	0.10	60.36	$10.00  Contact Us
datacomm.ch	4,345	0.16	645	0.02	537.64	$10.00  Contact Us
espire.net	4,343	0.16	4,186	0.16	-1.79	$10.00  Contact Us
theplanet.com	4,320	0.15	4,189	0.16	-2.38	$10.00  Contact Us
iunet.it	4,298	0.15	4,162	0.16	-2.25	$10.00  Contact Us
clara.net	4,253	0.15	3,192	0.12	26.12	$10.00  Contact Us
netcom.net	4,206	0.15	4,560	0.17	-12.69	$10.00  Contact Us
inetway.net	4,204	0.15	4,166	0.16	-4.48	$10.00  Contact Us
bta.net.cn	3,991	0.14	3,790	0.14	-0.32	$10.00  Contact Us
insinc.net	3,976	0.14	3,798	0.14	-0.91	$10.00  Contact Us
bellglobal.com	3,948	0.14	4,129	0.16	-9.49	$10.00  Contact Us
powerup.com.au	3,863	0.14	3,242	0.12	12.79	$10.00  Contact Us
ns.embratel.net.br	3,852	0.14	2,451	0.09	48.76	$10.00  Contact Us
hinet.net	3,772	0.14	3,193	0.12	11.82	$10.00  Contact Us
dynamicweb.net	3,768	0.13	3,663	0.14	-2.63	$10.00  Contact Us
twnic.net	3,705	0.13	3,317	0.13	5.73	$10.00  Contact Us
netnation.com	3,672	0.13	3,303	0.12	5.23	$10.00  Contact Us
roka.net	3,669	0.13	3,703	0.14	-6.21	$10.00  Contact Us
onemain.com	3,660	0.13	1,250	0.05	177.15	$10.00  Contact Us
softcomca.com	3,588	0.13	3,407	0.13	-0.32	$10.00  Contact Us
global-ip.net	3,567	0.13	3,572	0.14	-5.48	$10.00  Contact Us
virtualisys.com	3,560	0.13	908	0.03	271.11	$10.00  Contact Us
bellatlantic.net	3,556	0.13	3,317	0.13	1.48	$10.00  Contact Us
uni2.net	3,550	0.13	3,536	0.13	-4.97	$10.00  Contact Us
virtualspace.net	3,538	0.13	2,987	0.11	12.12	$10.00  Contact Us
c1.ca	3,503	0.13	1,315	0.05	152.15	$10.00  Contact Us
xara.net	3,468	0.12	3,194	0.12	2.78	$10.00  Contact Us
easynet.co.uk	3,412	0.12	3,173	0.12	1.78	$10.00  Contact Us
kornet.net	3,361	0.12	1,681	0.06	89.25	$10.00  Contact Us
tierra.net	3,351	0.12	2,755	0.10	15.13	$10.00  Contact Us
webfusion.co.uk	3,339	0.12	2,886	0.11	9.51	$10.00  Contact Us
webcom.com	3,338	0.12	0	0.00	0.00	$10.00  Contact Us
insnet.net	3,332	0.12	2,953	0.11	6.80	$10.00  Contact Us
lycosnetwork.com	3,286	0.12	1,985	0.08	56.69	$10.00  Contact Us
bbnplanet.net	3,281	0.12	3,285	0.12	-5.46	$10.00  Contact Us
gip.net	3,271	0.12	3,261	0.12	-5.05	$10.00  Contact Us
dn.net	3,237	0.12	3,180	0.12	-3.65	$10.00  Contact Us
ripn.net	3,235	0.12	3,244	0.12	-5.61	$10.00  Contact Us
widexs.nl	3,234	0.12	2,995	0.11	2.21	$10.00  Contact Us
skyport.net	3,180	0.11	1,598	0.06	88.36	$10.00  Contact Us
cwie.net	3,123	0.11	2,700	0.10	9.48	$10.00  Contact Us
servint.com	3,105	0.11	1,522	0.06	93.10	$10.00  Contact Us
guangzhou.gd.cn	3,081	0.11	4,239	0.16	-31.20	$10.00  Contact Us
netgate.net.nz	3,036	0.11	2,875	0.11	-0.04	$10.00  Contact Us
eu.net	3,009	0.11	2,618	0.10	8.79	$10.00  Contact Us
osn.de	2,987	0.11	0	0.00	0.00	$10.00  Contact Us
vdi.net	2,969	0.11	1,172	0.04	139.79	$10.00  Contact Us
is-europe.net	2,968	0.11	2,862	0.11	-1.84	$10.00  Contact Us
broadwing.net	2,964	0.11	2,542	0.10	10.37	$10.00  Contact Us
tele.fi	2,964	0.11	393	0.01	613.89	$10.00  Contact Us
national-net.com	2,958	0.11	728	0.03	284.60	$10.00  Contact Us
nameserve.net	2,955	0.11	2,735	0.10	2.27	$10.00  Contact Us
worldonline.dk	2,942	0.11	6	0.00	46312.56	$10.00  Contact Us
nap.net	2,875	0.10	2,754	0.10	-1.19	$10.00  Contact Us
ecore.net	2,871	0.10	2,894	0.11	-6.10	$10.00  Contact Us
metronet.ca	2,860	0.10	2,175	0.08	24.47	$10.00  Contact Us
inode.at	2,834	0.10	1,648	0.06	62.77	$10.00  Contact Us
westnet.net	2,825	0.10	2,056	0.08	30.06	$10.00  Contact Us
top.pl	2,815	0.10	2,596	0.10	2.64	$10.00  Contact Us
eni.net	2,795	0.10	2,723	0.10	-2.84	$10.00  Contact Us
ecrc.de	2,793	0.10	2,817	0.11	-6.15	$10.00  Contact Us
superb.net	2,787	0.10	2,075	0.08	27.13	$10.00  Contact Us
request.net	2,785	0.10	2,596	0.10	1.55	$10.00  Contact Us
dircon.co.uk	2,746	0.10	15	0.00	17228.20	$10.00  Contact Us
crl.com	2,701	0.10	2,601	0.10	-1.71	$10.00  Contact Us
oar.net	2,678	0.10	2,696	0.10	-5.98	$10.00  Contact Us
netaxs.com	2,677	0.10	2,532	0.10	0.08	$10.00  Contact Us
bluegravity.com	2,668	0.10	308	0.01	719.93	$10.00  Contact Us
erols.net	2,650	0.09	1,800	0.07	39.35	$10.00  Contact Us
bt.co.uk	2,636	0.09	2,770	0.10	-9.92	$10.00  Contact Us
webjump.com	2,617	0.09	2,503	0.09	-1.03	$10.00  Contact Us
voyager.net	2,606	0.09	1,968	0.07	25.34	$10.00  Contact Us
btwebworld.com	2,587	0.09	2,728	0.10	-10.24	$10.00  Contact Us
internet-dns.net	2,567	0.09	1,796	0.07	35.29	$10.00  Contact Us
data-hotel.net	2,566	0.09	774	0.03	213.80	$10.00  Contact Us
utelfla.com	2,564	0.09	2,368	0.09	2.49	$10.00  Contact Us
ns.nic.mx	2,564	0.09	2,189	0.08	10.87	$10.00  Contact Us
skytier.net	2,539	0.09	2,495	0.09	-3.68	$10.00  Contact Us
4biz.net	2,523	0.09	2,199	0.08	8.60	$10.00  Contact Us
tip.net	2,518	0.09	2,506	0.09	-4.89	$10.00  Contact Us
ibm.net	2,515	0.09	2,662	0.10	-10.57	$10.00  Contact Us
cableinet.net	2,506	0.09	2,445	0.09	-2.98	$10.00  Contact Us
vcommerce.com	2,488	0.09	2,191	0.08	7.49	$10.00  Contact Us
dion.ne.jp	2,459	0.09	1,617	0.06	43.94	$10.00  Contact Us
ac.kr	2,447	0.09	2,076	0.08	11.57	$10.00  Contact Us
intermedia.net	2,445	0.09	329	0.01	603.44	$10.00  Contact Us
online.no	2,427	0.09	2,326	0.09	-1.23	$10.00  Contact Us
rcn.net	2,422	0.09	2,381	0.09	-3.71	$10.00  Contact Us
psi.ca	2,403	0.09	1,965	0.07	15.75	$10.00  Contact Us
cybercon.com	2,392	0.09	2,017	0.08	12.25	$10.00  Contact Us
media3.net	2,380	0.09	1,032	0.04	118.29	$10.00  Contact Us
gte.net	2,379	0.09	2,322	0.09	-3.02	$10.00  Contact Us
sunrise.ch	2,371	0.08	2,506	0.09	-10.44	$10.00  Contact Us
prontomail.com	2,366	0.08	2,248	0.09	-0.38	$10.00  Contact Us
ecosoft.com	2,351	0.08	2,152	0.08	3.41	$10.00  Contact Us
netlink.co.uk	2,341	0.08	277	0.01	699.96	$10.00  Contact Us
relay.huji.ac.il	2,339	0.08	2,278	0.09	-2.81	$10.00  Contact Us
virtualscape.com	2,333	0.08	1,625	0.06	35.90	$10.00  Contact Us
domainnameservers.net	2,328	0.08	344	0.01	540.57	$10.00  Contact Us
harvard.net	2,314	0.08	2,261	0.09	-3.13	$10.00  Contact Us
cybercity.dk	2,283	0.08	2,262	0.09	-4.47	$10.00  Contact Us
cymitar.net	2,274	0.08	604	0.02	256.37	$10.00  Contact Us
inet.it	2,266	0.08	1,935	0.07	10.85	$10.00  Contact Us
dellhost.com	2,254	0.08	982	0.04	117.26	$10.00  Contact Us
spnet.net	2,254	0.08	2,082	0.08	2.47	$10.00  Contact Us
sfl.net	2,237	0.08	1,760	0.07	20.31	$10.00  Contact Us
mailbox.co.uk	2,221	0.08	2,041	0.08	3.00	$10.00  Contact Us
telenordia.se	2,206	0.08	2,053	0.08	1.71	$10.00  Contact Us
netcomi.com	2,203	0.08	1,890	0.07	10.33	$10.00  Contact Us
ciberlynx.net	2,165	0.08	1,897	0.07	8.03	$10.00  Contact Us
sci.fi	2,156	0.08	1,754	0.07	16.35	$10.00  Contact Us
ndh.net	2,155	0.08	1,377	0.05	48.13	$10.00  Contact Us
netlimited.net	2,145	0.08	2,423	0.09	-16.21	$10.00  Contact Us
cableol.net	2,137	0.08	2,034	0.08	-0.55	$10.00  Contact Us
xor.com	2,127	0.08	1,509	0.06	33.42	$10.00  Contact Us
xodiax.com	2,126	0.08	1,761	0.07	14.27	$10.00  Contact Us
fnsi.net	2,097	0.08	1,477	0.06	34.39	$10.00  Contact Us
magmacom.com	2,070	0.07	889	0.03	120.40	$10.00  Contact Us
dfn.de	2,063	0.07	2,070	0.08	-5.66	$10.00  Contact Us
ans.net	2,063	0.07	1,969	0.07	-0.83	$10.00  Contact Us
saix.co.za	2,063	0.07	2,095	0.08	-6.79	$10.00  Contact Us
dnssolution.com	2,058	0.07	886	0.03	119.86	$10.00  Contact Us
twtelecom.net	2,057	0.07	1,625	0.06	19.82	$10.00  Contact Us
relcom.ru	2,056	0.07	1,814	0.07	7.28	$10.00  Contact Us
nac.net	2,055	0.07	761	0.03	155.61	$10.00  Contact Us
inetu.net	2,050	0.07	1,985	0.08	-2.25	$10.00  Contact Us
ja.net	2,049	0.07	1,912	0.07	1.44	$10.00  Contact Us
isdnet.net	2,047	0.07	1,834	0.07	5.65	$10.00  Contact Us
agis.net	2,047	0.07	2,301	0.09	-15.79	$10.00  Contact Us
navisite.net	2,034	0.07	1,377	0.05	39.82	$10.00  Contact Us
univ-rennes1.fr	2,022	0.07	1,976	0.07	-3.14	$10.00  Contact Us
stargate.net	1,997	0.07	1,660	0.06	13.87	$10.00  Contact Us
hitmail.net	1,984	0.07	1,059	0.04	77.33	$10.00  Contact Us
space.net	1,974	0.07	1,843	0.07	1.38	$10.00  Contact Us
colt.net	1,967	0.07	1,581	0.06	17.77	$10.00  Contact Us
netcom.ca	1,959	0.07	619	0.02	199.56	$10.00  Contact Us
sirius.com	1,936	0.07	1,003	0.04	82.70	$10.00  Contact Us
cerf.net	1,929	0.07	1,817	0.07	0.49	$10.00  Contact Us
speedlink.de	1,929	0.07	1,711	0.06	6.72	$10.00  Contact Us
videotron.net	1,923	0.07	1,609	0.06	13.13	$10.00  Contact Us
interlink.net	1,921	0.07	1,552	0.06	17.16	$10.00  Contact Us
telepac.pt	1,911	0.07	1,881	0.07	-3.84	$10.00  Contact Us
proxad.net	1,911	0.07	0	0.00	0.00	$10.00  Contact Us
seed.net.tw	1,908	0.07	1,597	0.06	13.09	$10.00  Contact Us
uk2net.com	1,901	0.07	1,295	0.05	38.95	$10.00  Contact Us
net.ua	1,848	0.07	1,036	0.04	68.84	$10.00  Contact Us

* 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.