Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 20526140 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 2005 Count*	Jan 2005 %	Dec 2004 Count*	Dec 2004 %	Growth %
dns.kr	1,382,492	6.74	1,342,310	6.24	8.02
gngidc.net	804,388	3.92	868,882	4.04	-2.91
verio.net	553,956	2.70	541,114	2.51	7.37
schlund.de	551,744	2.69	534,345	2.48	8.29
a.dns.jp	542,614	2.64	523,548	2.43	8.70
uu.net	524,044	2.55	528,903	2.46	3.92
sprintlink.net	431,348	2.10	399,409	1.86	13.27
theplanet.com	397,387	1.94	370,924	1.72	12.36
lacnic.net	354,041	1.72	371,269	1.72	0.01
a.dns.br	268,461	1.31	0	0.00	0.00
epidc.co.kr	266,825	1.30	178,562	0.83	56.72
pnap.net	261,800	1.28	249,475	1.16	10.06
datasync.com	247,058	1.20	216,229	1.00	19.83
primekom.net	229,847	1.12	172,740	0.80	39.55
ucpag.com	165,055	0.80	145,884	0.68	18.66
org.pl	160,264	0.78	155,416	0.72	8.15
agarik.com	148,145	0.72	1,052	0.00	14669.29
cogentco.com	143,114	0.70	137,892	0.64	8.85
level3.net	143,071	0.70	134,883	0.63	11.25
att.net	138,934	0.68	135,419	0.63	7.60
infoseek.co.jp	113,964	0.56	111,809	0.52	6.90
dn.net	112,861	0.55	105,595	0.49	12.10
your-server.de	99,853	0.49	91,717	0.43	14.18
qwest.net	92,822	0.45	90,842	0.42	7.16
secure.net	90,094	0.44	88,642	0.41	6.60
above.net	88,696	0.43	222,640	1.03	-58.22
wcg.net	87,189	0.42	86,187	0.40	6.10
interland.net	86,434	0.42	54,010	0.25	67.84
savvis.net	82,188	0.40	80,829	0.38	6.64
yandex.ru	78,904	0.38	76,584	0.36	8.06
sta.net.cn	77,101	0.38	64,870	0.30	24.65
fasthosts.net.uk	76,178	0.37	74,114	0.34	7.80
ig.com.br	75,724	0.37	73,964	0.34	7.37
alabanza.com	74,436	0.36	73,959	0.34	5.56
uunet.ca	71,586	0.35	67,251	0.31	11.64
proxad.net	70,843	0.35	75,099	0.35	-1.06
yourhostingaccount.com	70,424	0.34	70,196	0.33	5.22
homestead.com	70,014	0.34	68,757	0.32	6.80
kornet.net	67,654	0.33	59,998	0.28	18.26
tpnet.pl	66,164	0.32	66,936	0.31	3.67
spylog.com	65,108	0.32	0	0.00	0.00
ovh.net	64,381	0.31	60,193	0.28	12.18
twtelecom.net	62,227	0.30	59,970	0.28	8.83
pri-dns.de	59,559	0.29	57,433	0.27	8.76
cnc.ac.cn	57,932	0.28	69,463	0.32	-12.53
dtag.de	57,170	0.28	55,904	0.26	7.25
earthlink.net	54,628	0.27	54,258	0.25	5.59
colt.net	53,048	0.26	51,218	0.24	8.63
rt.ru	52,085	0.25	59,103	0.27	-7.57
sphere.ad.jp	51,091	0.25	46,349	0.22	15.61
oghost.com.br	49,579	0.24	47,141	0.22	10.30
eli.net	49,111	0.24	47,534	0.22	8.36
cncnet.net	45,226	0.22	46,388	0.22	2.25
nxs.nl	44,427	0.22	62	0.00	75052.52
interbusiness.it	44,157	0.22	35,566	0.17	30.21
webfusion.co.uk	43,342	0.21	41,266	0.19	10.16
sakura.ad.jp	42,429	0.21	38,726	0.18	14.91
energis.pl	42,156	0.21	40,749	0.19	8.50
tele.dk	39,653	0.19	38,689	0.18	7.49
swbell.net	39,434	0.19	35,372	0.16	16.92
demon.co.uk	39,087	0.19	39,125	0.18	4.78
hosteurope.de	38,902	0.19	1,731,986	8.05	-97.64
masterhost.ru	38,459	0.19	36,127	0.17	11.65
ocn.ad.jp	37,607	0.18	36,329	0.17	8.57
interq.or.jp	36,033	0.18	34,918	0.16	8.23
plusserver.de	35,302	0.17	27,645	0.13	33.93
clara.net	34,242	0.17	22,590	0.10	58.98
widexs.nl	33,986	0.17	33,878	0.16	5.21
dns.fz.fj.cn	33,937	0.17	33,919	0.16	4.93
ipx-server.de	33,197	0.16	30,560	0.14	13.93
bsdhost.net	33,169	0.16	32,319	0.15	7.64
pbi.net	32,229	0.16	35,762	0.17	-5.48
virtualxs.com	31,436	0.15	30,566	0.14	7.86
rain.fr	31,340	0.15	30,932	0.14	6.26
bta.net.cn	30,852	0.15	26,297	0.12	23.05
telia.com	30,709	0.15	30,553	0.14	5.41
hananet.net	30,475	0.15	15,387	0.07	107.72
cn.net	29,314	0.14	33,178	0.15	-7.34
interware.hu	29,279	0.14	27,432	0.13	11.94
pair.com	29,243	0.14	28,674	0.13	6.96
komplex.net	28,890	0.14	28,396	0.13	6.70
twnic.net	28,885	0.14	28,062	0.13	7.95
cnc-idc.net	28,849	0.14	15,821	0.07	91.24
guangzhou.gd.cn	28,697	0.14	49,842	0.23	-39.61
leaseweb.nl	28,665	0.14	26,414	0.12	13.82
concentric.net	28,141	0.14	28,071	0.13	5.14
onet.pl	27,524	0.13	24,904	0.12	15.91
cihost.com	27,497	0.13	26,524	0.12	8.73
servercove.com	27,271	0.13	25,380	0.12	12.69
broadwing.net	26,552	0.13	25,198	0.12	10.51
bellsouth.net	26,538	0.13	25,601	0.12	8.72
kidc.net	26,238	0.13	27,552	0.13	-0.12
telus.com	26,069	0.13	25,549	0.12	7.01
proserve.nl	25,494	0.12	23,837	0.11	12.17
readyhosting.com	25,472	0.12	25,259	0.12	5.76
ns.embratel.net.br	25,392	0.12	24,559	0.11	8.44
inetbone.net	24,862	0.12	22,674	0.11	15.00
splitinfinity.net	24,769	0.12	24,502	0.11	6.02
nildram.co.uk	24,479	0.12	18,455	0.09	39.11
inflow.net	24,367	0.12	24,280	0.11	5.25
inode.at	24,217	0.12	22,478	0.10	12.99
nmc1.ptt.js.cn	24,141	0.12	24,019	0.11	5.41
colosseum.com	24,081	0.12	22,327	0.10	13.12
amenworld.com	23,427	0.11	23,072	0.11	6.49
valueweb.net	23,114	0.11	22,583	0.10	7.34
rr.com	22,754	0.11	20,928	0.10	14.03
bsve.net	22,551	0.11	22,049	0.10	7.27
prima.net.ar	22,522	0.11	15,527	0.07	52.13
mtu.ru	22,267	0.11	20,425	0.09	14.34
easynet.co.uk	22,182	0.11	22,035	0.10	5.58
bt.net	21,416	0.10	20,784	0.10	8.07
0catch.com	21,367	0.10	20,359	0.09	10.07
lan.ch	21,277	0.10	19,159	0.09	16.47
nacamar.net	21,138	0.10	21,973	0.10	0.89
innovationline.ch	20,904	0.10	20,819	0.10	5.31
ip-plus.net	20,784	0.10	20,610	0.10	5.76
servidoresdns.net	20,699	0.10	20,472	0.10	6.04
appliedtheory.com	20,255	0.10	20,116	0.09	5.60
nac.net	20,150	0.10	11,254	0.05	87.78
gblx.net	20,101	0.10	16,963	0.08	24.28
novaxess.nl	20,049	0.10	19,334	0.09	8.76
xs4all.nl	20,034	0.10	17,134	0.08	22.63
bellglobal.com	19,795	0.10	19,586	0.09	6.00
gldn.net	19,669	0.10	17,758	0.08	16.17
dada.it	19,198	0.09	18,707	0.09	7.63
uk2.net	19,195	0.09	16,777	0.08	19.99
dion.ne.jp	19,145	0.09	18,675	0.09	7.52
netgate.net.nz	18,949	0.09	18,754	0.09	5.97
enta.net	18,945	0.09	18,804	0.09	5.67
hinet.net	18,853	0.09	18,279	0.08	8.17
elkhouse.de	18,766	0.09	229	0.00	8494.58
spray.net	18,678	0.09	17,150	0.08	14.22
mediadesign.nl	18,610	0.09	18,571	0.09	5.10
zjhzptt.net.cn	18,540	0.09	18,833	0.09	3.25
donhost.co.uk	18,273	0.09	17,914	0.08	6.98
orc.ru	18,207	0.09	17,622	0.08	8.36
theplanet.net	18,024	0.09	17,806	0.08	6.16
server-dns.com	18,023	0.09	18,061	0.08	4.66
rz-ip.net	17,921	0.09	16,258	0.08	15.61
geodns.net	17,794	0.09	14,189	0.07	31.53
cais.com	17,706	0.09	17,900	0.08	3.74
nameservers.net	17,623	0.09	18,663	0.09	-0.97
pipex.net	17,602	0.09	17,707	0.08	4.26
dacom.co.kr	17,593	0.09	16,181	0.08	14.03
ripn.net	17,300	0.08	16,956	0.08	7.01
mcbone.net	17,125	0.08	16,744	0.08	7.27
magic-moments.com	17,035	0.08	16,777	0.08	6.49
localhost	16,984	0.08	16,885	0.08	5.49
newedgenetworks.com	16,768	0.08	15,543	0.07	13.14
interia.pl	16,724	0.08	15,890	0.07	10.38
isdnet.net	16,609	0.08	16,097	0.07	8.21
lambdanet.net	16,266	0.08	15,111	0.07	12.90
peer1.net	16,090	0.08	16,069	0.07	5.02
vuurwerk.nl	16,065	0.08	15,815	0.07	6.54
home.pl	16,026	0.08	2,947	0.01	470.34
medem.com	15,967	0.08	15,976	0.07	4.82
di-net.ru	15,371	0.07	14,758	0.07	9.24
futuro.pl	15,223	0.07	10,576	0.05	50.96
inet.it	15,178	0.07	14,695	0.07	8.33
algx.net	15,153	0.07	15,095	0.07	5.28
elim.net	15,127	0.07	9,963	0.05	59.24
gxn.net	15,124	0.07	14,479	0.07	9.55
softcomca.com	14,938	0.07	14,649	0.07	6.95
kasserver.com	14,904	0.07	13,485	0.06	15.92
cnuninet.net	14,702	0.07	13,351	0.06	15.49
fc2.com	14,649	0.07	13,856	0.06	10.88
addr.com	14,407	0.07	14,375	0.07	5.11
ikp.pl	14,379	0.07	14,593	0.07	3.34
uol.com.br	14,235	0.07	13,215	0.06	12.97
hm23	14,172	0.07	13,693	0.06	8.55
valuehost.ru	14,092	0.07	12,851	0.06	15.01
kei.pl	13,957	0.07	13,495	0.06	8.47
cerf.net	13,864	0.07	13,627	0.06	6.70
sdv.fr	13,589	0.07	13,621	0.06	4.63
covad.com	13,551	0.07	14,239	0.07	-0.19
verio.de	13,483	0.07	13,611	0.06	3.89
v-ns.de	13,414	0.07	12,500	0.06	12.55
ladot.com	13,404	0.07	13,097	0.06	7.34
tiscali.nl	13,192	0.06	13,064	0.06	5.91
mycyberhosting.com	13,138	0.06	6,851	0.03	101.12
sunrise.ch	12,817	0.06	13,425	0.06	0.13
relcom.ru	12,688	0.06	12,191	0.06	9.15
propagation.net	12,618	0.06	7,400	0.03	78.83
corbina.net	12,372	0.06	12,033	0.06	7.83
rackspace.com	12,181	0.06	11,164	0.05	14.43
swip.net	12,122	0.06	11,810	0.05	7.65
tiscalinet.it	11,995	0.06	11,658	0.05	7.91
ocn.ne.jp	11,936	0.06	11,564	0.05	8.25
ameritech.net	11,918	0.06	11,638	0.05	7.40
t-online.de	11,879	0.06	11,510	0.05	8.24
candidhosting.com	11,644	0.06	11,520	0.05	6.01
firstserver.ne.jp	11,373	0.06	11,157	0.05	6.91
cybercity.dk	11,366	0.06	11,328	0.05	5.23
serverbeach.com	11,357	0.06	11,251	0.05	5.87
activeisp.com	11,306	0.06	11,128	0.05	6.56
psi.net	11,187	0.05	11,169	0.05	5.05
speakeasy.net	11,123	0.05	11,012	0.05	5.94
isd-holland.nl	11,059	0.05	10,526	0.05	10.19
netbenefit.co.uk	10,994	0.05	11,420	0.05	0.97
ttd.net	10,964	0.05	11,488	0.05	0.10
hosting4u.net	10,921	0.05	10,973	0.05	4.38
web1000.com	10,912	0.05	11,151	0.05	2.63
maxim.net	10,899	0.05	9,799	0.05	16.65
sserv.net	10,834	0.05	10,513	0.05	8.08
sprint-canada.net	10,644	0.05	10,512	0.05	6.20
mex.ad.jp	10,587	0.05	10,267	0.05	8.15
au1.com.au	10,568	0.05	10,547	0.05	5.09
tac.net	10,548	0.05	10,557	0.05	4.79
net.ru	10,547	0.05	15,784	0.07	-29.92
gtei.net	10,496	0.05	9,966	0.05	10.46
force9.net	10,457	0.05	10,649	0.05	2.99
uni2.net	10,439	0.05	10,418	0.05	5.09
siberia.net	10,433	0.05	10,009	0.05	9.32
iunet.it	10,365	0.05	11,586	0.05	-6.17
primarydns.com	10,359	0.05	9,736	0.05	11.59
nextlevelinternet.com	10,316	0.05	8,744	0.04	23.73
songnetworks.se	10,242	0.05	8,836	0.04	21.57
sprintnetops.net	10,169	0.05	10,096	0.05	5.64
atworks.co.jp	10,150	0.05	9,885	0.05	7.69
xlink.net	10,143	0.05	8,970	0.04	18.59
evanzo.com	10,045	0.05	8,823	0.04	19.40
aitcom.net	9,933	0.05	10,260	0.05	1.54
secureserver.net	9,822	0.05	9,620	0.04	7.08
uk2net.com	9,754	0.05	2,659	0.01	284.73
zenon.net	9,646	0.05	9,486	0.04	6.65
ns	9,588	0.05	9,575	0.04	5.02
home.nl	9,535	0.05	9,130	0.04	9.53
westnet.net	9,401	0.05	8,722	0.04	13.04
ns.nic.mx	9,386	0.05	9,160	0.04	7.47
gandi.net	9,345	0.05	9,199	0.04	6.54
abovenet.de	9,336	0.05	7,462	0.03	31.22
oleane.net	9,278	0.05	9,138	0.04	6.49
idc.ad.jp	9,219	0.04	9,248	0.04	4.55
datacenter1.com.br	9,189	0.04	8,861	0.04	8.76
globaleurope.net	9,057	0.04	7,419	0.03	28.03
globix.net	9,029	0.04	8,950	0.04	5.80
cwidc.net	8,981	0.04	8,461	0.04	11.32
cableinet.net	8,942	0.04	8,721	0.04	7.54
isp-thailand.com	8,938	0.04	7,209	0.03	30.03
fastweb.it	8,894	0.04	8,354	0.04	11.66
worknetinc.com	8,885	0.04	6,271	0.03	48.60
bielsko.pl	8,882	0.04	8,010	0.04	16.30
aleron.net	8,729	0.04	8,732	0.04	4.84
pajo.com	8,653	0.04	8,934	0.04	1.58
net.edu.cn	8,639	0.04	8,515	0.04	6.41
usen.ad.jp	8,637	0.04	8,064	0.04	12.33
aunet.ne.kr	8,587	0.04	7,702	0.04	16.93
coxmail.com	8,528	0.04	8,407	0.04	6.39
iadvantage.net.hk	8,510	0.04	5,850	0.03	52.57
telepac.pt	8,469	0.04	8,226	0.04	7.98

* 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.