Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 21527596 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	Dec 2004 Count*	Dec 2004 %	Nov 2004 Count*	Nov 2004 %	Growth %
hosteurope.de	1,731,986	8.05	1,205,214	6.11	31.73
dns.kr	1,342,310	6.24	975,836	4.95	26.09
gngidc.net	868,882	4.04	639,632	3.24	24.52
verio.net	541,114	2.51	496,318	2.52	-0.06
schlund.de	534,345	2.48	503,067	2.55	-2.63
uu.net	528,903	2.46	513,586	2.60	-5.60
a.dns.jp	523,548	2.43	503,461	2.55	-4.68
sprintlink.net	399,409	1.86	405,284	2.05	-9.66
lacnic.net	371,269	1.72	341,512	1.73	-0.35
theplanet.com	370,924	1.72	344,261	1.74	-1.23
ns.dns.br	293,646	1.36	273,107	1.38	-1.44
pnap.net	249,475	1.16	244,565	1.24	-6.49
above.net	222,640	1.03	225,589	1.14	-9.53
datasync.com	216,229	1.00	218,406	1.11	-9.25
epidc.co.kr	178,562	0.83	65,722	0.33	149.05
primekom.net	172,740	0.80	305	0.00	51816.66
org.pl	155,416	0.72	147,870	0.75	-3.65
ucpag.com	145,884	0.68	120,340	0.61	11.12
cogentco.com	137,892	0.64	130,593	0.66	-3.21
about.com	135,704	0.63	140,691	0.71	-11.58
att.net	135,419	0.63	131,569	0.67	-5.65
level3.net	134,883	0.63	139,584	0.71	-11.42
infoseek.co.jp	111,809	0.52	108,862	0.55	-5.85
dn.net	105,595	0.49	101,825	0.52	-4.94
your-server.de	91,717	0.43	83,746	0.42	0.39
qwest.net	90,842	0.42	87,908	0.45	-5.27
secure.net	88,642	0.41	86,975	0.44	-6.58
wcg.net	86,187	0.40	82,607	0.42	-4.36
savvis.net	80,829	0.38	76,946	0.39	-3.71
yandex.ru	76,584	0.36	73,126	0.37	-4.00
proxad.net	75,099	0.35	1,374	0.01	4910.27
fasthosts.net.uk	74,114	0.34	0	0.00	0.00
ig.com.br	73,964	0.34	71,031	0.36	-4.55
alabanza.com	73,959	0.34	73,304	0.37	-7.51
yourhostingaccount.com	70,196	0.33	68,004	0.34	-5.38
cnc.ac.cn	69,463	0.32	66,076	0.33	-3.63
homestead.com	68,757	0.32	67,039	0.34	-5.98
uunet.ca	67,251	0.31	53,738	0.27	14.72
tpnet.pl	66,936	0.31	64,272	0.33	-4.53
sta.net.cn	64,870	0.30	54,125	0.27	9.87
ovh.net	60,193	0.28	54,229	0.27	1.75
kornet.net	59,998	0.28	52,713	0.27	4.34
twtelecom.net	59,970	0.28	56,233	0.28	-2.24
rt.ru	59,103	0.27	57,170	0.29	-5.23
pri-dns.de	57,433	0.27	55,104	0.28	-4.46
dtag.de	55,904	0.26	55,249	0.28	-7.25
earthlink.net	54,258	0.25	53,437	0.27	-6.92
interland.net	54,010	0.25	85,352	0.43	-41.99
technorail.com	51,537	0.24	48,519	0.25	-2.63
colt.net	51,218	0.24	48,160	0.24	-2.51
guangzhou.gd.cn	49,842	0.23	39,109	0.20	16.82
eli.net	47,534	0.22	45,997	0.23	-5.27
oghost.com.br	47,141	0.22	43,104	0.22	0.25
cncnet.net	46,388	0.22	44,427	0.23	-4.29
sphere.ad.jp	46,349	0.22	25,615	0.13	65.87
webfusion.co.uk	41,266	0.19	40,992	0.21	-7.72
energis.pl	40,749	0.19	38,708	0.20	-3.50
demon.co.uk	39,125	0.18	39,082	0.20	-8.23
sakura.ad.jp	38,726	0.18	33,948	0.17	4.57
tele.dk	38,689	0.18	38,290	0.19	-7.38
terra.com.br	36,759	0.17	32,268	0.16	4.43
ocn.ad.jp	36,329	0.17	35,515	0.18	-6.23
masterhost.ru	36,127	0.17	33,166	0.17	-0.15
pbi.net	35,762	0.17	36,160	0.18	-9.34
interbusiness.it	35,566	0.17	35,676	0.18	-8.62
swbell.net	35,372	0.16	28,961	0.15	11.96
namespace4you.de	35,300	0.16	32,780	0.17	-1.29
interq.or.jp	34,918	0.16	33,426	0.17	-4.24
dns.fz.fj.cn	33,919	0.16	32,419	0.16	-4.09
widexs.nl	33,878	0.16	33,166	0.17	-6.36
cn.net	33,178	0.15	31,268	0.16	-2.73
bsdhost.net	32,319	0.15	31,167	0.16	-4.94
rain.fr	30,932	0.14	29,889	0.15	-5.13
virtualxs.com	30,566	0.14	26,780	0.14	4.63
ipx-server.de	30,560	0.14	30,004	0.15	-6.63
telia.com	30,553	0.14	30,092	0.15	-6.93
pair.com	28,674	0.13	27,969	0.14	-6.02
komplex.net	28,396	0.13	27,741	0.14	-6.17
concentric.net	28,071	0.13	27,678	0.14	-7.03
twnic.net	28,062	0.13	23,615	0.12	8.93
plusserver.de	27,645	0.13	7,000	0.04	262.02
kidc.net	27,552	0.13	22,234	0.11	13.59
interware.hu	27,432	0.13	25,663	0.13	-2.01
cihost.com	26,524	0.12	25,974	0.13	-6.39
leaseweb.nl	26,414	0.12	14,516	0.07	66.80
bta.net.cn	26,297	0.12	26,002	0.13	-7.29
bellsouth.net	25,601	0.12	25,179	0.13	-6.80
telus.com	25,549	0.12	12,781	0.06	83.24
servercove.com	25,380	0.12	22,624	0.11	2.83
readyhosting.com	25,259	0.12	24,707	0.13	-6.28
broadwing.net	25,198	0.12	22,107	0.11	4.48
onet.pl	24,904	0.12	21,530	0.11	6.03
ns.embratel.net.br	24,559	0.11	21,769	0.11	3.42
splitinfinity.net	24,502	0.11	23,657	0.12	-5.06
inflow.net	24,280	0.11	26,923	0.14	-17.33
nmc1.ptt.js.cn	24,019	0.11	18,585	0.09	18.47
proserve.nl	23,837	0.11	21,654	0.11	0.91
amenworld.com	23,072	0.11	22,211	0.11	-4.78
inetbone.net	22,674	0.11	20,061	0.10	3.61
clara.net	22,590	0.10	31,511	0.16	-34.28
valueweb.net	22,583	0.10	21,941	0.11	-5.65
inode.at	22,478	0.10	22,454	0.11	-8.23
colosseum.com	22,327	0.10	19,613	0.10	4.35
nstool.de	22,239	0.10	20,211	0.10	0.87
bsve.net	22,049	0.10	4,660	0.02	333.73
easynet.co.uk	22,035	0.10	21,604	0.11	-6.50
nacamar.net	21,973	0.10	22,090	0.11	-8.82
cnc-idc.com	21,900	0.10	12,161	0.06	65.08
rr.com	20,928	0.10	20,156	0.10	-4.82
innovationline.ch	20,819	0.10	0	0.00	0.00
bt.net	20,784	0.10	20,935	0.11	-8.99
ip-plus.net	20,610	0.10	20,600	0.10	-8.29
servidoresdns.net	20,472	0.10	19,840	0.10	-5.41
mtu.ru	20,425	0.09	20,333	0.10	-7.92
0catch.com	20,359	0.09	19,488	0.10	-4.24
appliedtheory.com	20,116	0.09	19,997	0.10	-7.79
bellglobal.com	19,586	0.09	24,968	0.13	-28.09
novaxess.nl	19,334	0.09	19,013	0.10	-6.79
lan.ch	19,159	0.09	19,179	0.10	-8.43
zjhzptt.net.cn	18,833	0.09	16,012	0.08	7.82
enta.net	18,804	0.09	18,426	0.09	-6.45
netgate.net.nz	18,754	0.09	17,294	0.09	-0.59
dada.it	18,707	0.09	18,266	0.09	-6.12
dion.ne.jp	18,675	0.09	19,062	0.10	-10.19
nameservers.net	18,663	0.09	17,519	0.09	-2.35
mediadesign.nl	18,571	0.09	18,542	0.09	-8.19
nildram.co.uk	18,455	0.09	16,918	0.09	0.00
hinet.net	18,279	0.08	17,902	0.09	-6.40
server-dns.com	18,061	0.08	17,657	0.09	-6.24
donhost.co.uk	17,914	0.08	17,312	0.09	-5.15
cais.com	17,900	0.08	15,055	0.08	8.99
theplanet.net	17,806	0.08	17,848	0.09	-8.55
gldn.net	17,758	0.08	17,757	0.09	-8.33
pipex.net	17,707	0.08	17,402	0.09	-6.73
orc.ru	17,622	0.08	16,805	0.09	-3.88
spray.net	17,150	0.08	15,475	0.08	1.59
xs4all.nl	17,134	0.08	16,119	0.08	-2.56
gblx.net	16,963	0.08	17,168	0.09	-9.43
ripn.net	16,956	0.08	16,702	0.08	-6.94
localhost	16,885	0.08	17,020	0.09	-9.06
magic-moments.com	16,777	0.08	16,415	0.08	-6.31
uk2.net	16,777	0.08	12,958	0.07	18.68
mcbone.net	16,744	0.08	16,257	0.08	-5.59
rz-ip.net	16,258	0.08	13,937	0.07	6.93
dacom.co.kr	16,181	0.08	18,777	0.10	-21.01
isdnet.net	16,097	0.07	15,134	0.08	-2.50
peer1.net	16,069	0.07	14,626	0.07	0.71
medem.com	15,976	0.07	15,916	0.08	-7.99
interia.pl	15,890	0.07	14,778	0.07	-1.44
cnc-idc.net	15,821	0.07	25,458	0.13	-43.03
vuurwerk.nl	15,815	0.07	15,473	0.08	-6.31
net.ru	15,784	0.07	14,976	0.08	-3.39
newedgenetworks.com	15,543	0.07	9,742	0.05	46.25
prima.net.ar	15,527	0.07	11,041	0.06	28.91
hananet.net	15,387	0.07	8,420	0.04	67.52
lambdanet.net	15,111	0.07	13,638	0.07	1.57
algx.net	15,095	0.07	14,489	0.07	-4.50
di-net.ru	14,758	0.07	13,859	0.07	-2.39
inet.it	14,695	0.07	14,143	0.07	-4.76
softcomca.com	14,649	0.07	14,392	0.07	-6.70
ikp.pl	14,593	0.07	14,498	0.07	-7.73
gxn.net	14,479	0.07	14,105	0.07	-5.90
addr.com	14,375	0.07	14,852	0.08	-11.28
covad.com	14,239	0.07	12,933	0.07	0.92
geodns.net	14,189	0.07	14,301	0.07	-9.05
tmag.de	14,137	0.07	13,823	0.07	-6.25
fc2.com	13,856	0.06	12,979	0.07	-2.14
hm23	13,693	0.06	12,992	0.07	-3.39
cerf.net	13,627	0.06	13,309	0.07	-6.14
sdv.fr	13,621	0.06	8,447	0.04	47.82
verio.de	13,611	0.06	13,922	0.07	-10.38
kei.pl	13,495	0.06	12,775	0.06	-3.17
kasserver.com	13,485	0.06	17,012	0.09	-27.34
sunrise.ch	13,425	0.06	13,152	0.07	-6.43
cnuninet.net	13,351	0.06	12,887	0.07	-5.03
uol.com.br	13,215	0.06	9,142	0.05	32.51
ladot.com	13,097	0.06	12,524	0.06	-4.14
tiscali.nl	13,064	0.06	12,828	0.07	-6.65
valuehost.ru	12,851	0.06	12,891	0.07	-8.62
v-ns.de	12,500	0.06	11,451	0.06	0.06
relcom.ru	12,191	0.06	11,916	0.06	-6.22
corbina.net	12,033	0.06	11,409	0.06	-3.32
swip.net	11,810	0.05	11,577	0.06	-6.49
b-one.nu	11,779	0.05	10,373	0.05	4.09
tiscalinet.it	11,658	0.05	11,125	0.06	-3.94
ameritech.net	11,638	0.05	11,527	0.06	-7.45
iunet.it	11,586	0.05	10,442	0.05	1.71
ocn.ne.jp	11,564	0.05	10,839	0.05	-2.20
candidhosting.com	11,520	0.05	11,324	0.06	-6.75
t-online.de	11,510	0.05	8,578	0.04	23.00
cecom.cz	11,492	0.05	10,940	0.06	-3.71
ttd.net	11,488	0.05	11,378	0.06	-7.45
netbenefit.co.uk	11,420	0.05	11,087	0.06	-5.58
cybercity.dk	11,328	0.05	11,261	0.06	-7.79
nac.net	11,254	0.05	7,341	0.04	40.53
serverbeach.com	11,251	0.05	11,992	0.06	-14.00
psi.net	11,169	0.05	10,954	0.06	-6.53
rackspace.com	11,164	0.05	10,730	0.05	-4.63
firstserver.ne.jp	11,157	0.05	10,825	0.05	-5.52
web1000.com	11,151	0.05	10,139	0.05	0.82
activeisp.com	11,128	0.05	10,832	0.05	-5.83
crsnic.net	11,088	0.05	8,456	0.04	20.20
speakeasy.net	11,012	0.05	10,820	0.05	-6.71
hosting4u.net	10,973	0.05	11,038	0.06	-8.87
inecnet.cz	10,920	0.05	10,819	0.05	-7.48
force9.net	10,649	0.05	10,357	0.05	-5.75
futuro.pl	10,576	0.05	13,274	0.07	-26.96
tac.net	10,557	0.05	10,540	0.05	-8.19
au1.com.au	10,547	0.05	10,558	0.05	-8.43
isd-holland.nl	10,526	0.05	10,195	0.05	-5.36
sserv.net	10,513	0.05	10,433	0.05	-7.63
sprint-canada.net	10,512	0.05	10,192	0.05	-5.45
uni2.net	10,418	0.05	10,277	0.05	-7.08
mex.ad.jp	10,267	0.05	10,105	0.05	-6.86
aitcom.net	10,260	0.05	10,208	0.05	-7.87
sprintnetops.net	10,096	0.05	9,819	0.05	-5.75
siberia.net	10,009	0.05	9,449	0.05	-2.90
gtei.net	9,966	0.05	9,931	0.05	-8.01
elim.net	9,963	0.05	9,444	0.05	-3.30
atworks.co.jp	9,885	0.05	9,525	0.05	-4.87
maxim.net	9,799	0.05	10,818	0.05	-16.97
primarydns.com	9,736	0.05	9,499	0.05	-6.05
secureserver.net	9,620	0.04	9,112	0.05	-3.22
ns	9,575	0.04	9,363	0.05	-6.26
zenon.net	9,486	0.04	9,142	0.05	-4.88
idc.ad.jp	9,248	0.04	9,216	0.05	-8.01
gandi.net	9,199	0.04	8,947	0.05	-5.75
ns.nic.mx	9,160	0.04	8,915	0.05	-5.81
oleane.net	9,138	0.04	9,176	0.05	-8.71
home.nl	9,130	0.04	8,320	0.04	0.59
unifiedweb.net	9,035	0.04	7,580	0.04	9.26
xlink.net	8,970	0.04	7,754	0.04	6.04
globix.net	8,950	0.04	8,813	0.04	-6.91
pajo.com	8,934	0.04	8,694	0.04	-5.80
datacenter1.com.br	8,861	0.04	8,563	0.04	-5.14
songnetworks.se	8,836	0.04	0	0.00	0.00
evanzo.com	8,823	0.04	7,998	0.04	1.12
nextlevelinternet.com	8,744	0.04	6,953	0.04	15.28
aleron.net	8,732	0.04	8,046	0.04	-0.52
westnet.net	8,722	0.04	8,385	0.04	-4.65
cableinet.net	8,721	0.04	8,063	0.04	-0.85
net.edu.cn	8,515	0.04	4,581	0.02	70.39
cwidc.net	8,461	0.04	8,071	0.04	-3.90
coxmail.com	8,407	0.04	8,091	0.04	-4.75
euroconnect.dk	8,374	0.04	8,289	0.04	-7.39
fastweb.it	8,354	0.04	16,612	0.08	-53.90
telepac.pt	8,226	0.04	7,509	0.04	0.42
datacomm.ch	8,217	0.04	8,120	0.04	-7.24
homes.com	8,153	0.04	7,908	0.04	-5.49
bit.nl	8,138	0.04	7,689	0.04	-2.98

* 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.