Report Description

The ISP Market Share Report analyzes the distribution of web servers in our surveys across different ISPs. By classifying the 20513333 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	Jun 2006 Count*	Jun 2006 %	May 2006 Count*	May 2006 %	Growth %
theplanet.com	856,832	4.18	829,821	4.14	0.80
schlund.de	778,061	3.79	757,095	3.78	0.32
a.dns.jp	553,627	2.70	544,058	2.72	-0.66
ev1.net	541,562	2.64	524,993	2.62	0.70
verio.net	373,048	1.82	369,808	1.85	-1.52
lacnic.net	269,842	1.32	265,543	1.33	-0.80
cogentco.com	264,566	1.29	257,479	1.29	0.31
dns.kr	259,536	1.27	256,245	1.28	-1.12
uu.net	222,459	1.08	221,458	1.11	-1.94
rackspace.com	213,367	1.04	217,161	1.08	-4.08
savvis.net	193,781	0.94	201,566	1.01	-6.15
a.dns.br	171,954	0.84	168,747	0.84	-0.52
secureserver.net	159,575	0.78	149,386	0.75	4.28
att.net	149,290	0.73	145,577	0.73	0.11
dialtoneinternet.net	143,338	0.70	138,617	0.69	0.95
a.in-addr.cn	139,585	0.68	129,023	0.64	5.61
ns1.codetel.net.do	136,651	0.67	139,647	0.70	-4.47
sakura.ad.jp	133,737	0.65	116,821	0.58	11.76
peer1.net	131,256	0.64	128,844	0.64	-0.55
pnap.net	127,219	0.62	125,502	0.63	-1.04
yahoo.com	126,862	0.62	125,385	0.63	-1.23
sprintlink.net	123,346	0.60	135,600	0.68	-11.20
level3.net	123,329	0.60	122,090	0.61	-1.39
ipowerweb.net	122,468	0.60	119,564	0.60	-0.01
secure.net	114,350	0.56	112,880	0.56	-1.11
sta.net.cn	112,574	0.55	99,167	0.50	10.82
xspedius.net	110,589	0.54	89,681	0.45	20.38
cablespeed.com	109,266	0.53	77	0.00	138428.58
nac.net	108,157	0.53	97,468	0.49	8.33
leaseweb.nl	107,901	0.53	104,627	0.52	0.68
choopa.com	102,824	0.50	86,885	0.43	15.53
layeredtech.com	102,474	0.50	79,020	0.39	26.60
your-server.de	102,458	0.50	92,853	0.46	7.72
qwest.net	102,442	0.50	95,712	0.48	4.49
technorail.com	100,291	0.49	96,965	0.48	0.97
dreamhost.com	97,873	0.48	92,647	0.46	3.13
gnax.net	96,524	0.47	98,113	0.49	-3.96
ptd.net	95,616	0.47	93,650	0.47	-0.33
fasthosts.net.uk	94,348	0.46	90,791	0.45	1.45
interland.net	91,464	0.45	95,123	0.48	-6.13
cais.com	90,652	0.44	85,117	0.43	3.97
pwebtech.com	84,535	0.41	85,001	0.42	-2.91
ovh.net	84,269	0.41	79,501	0.40	3.48
pair.com	82,265	0.40	80,899	0.40	-0.73
alabanza.com	81,375	0.40	81,240	0.41	-2.22
earthlink.net	76,875	0.37	68,648	0.34	9.32
concentric.net	76,559	0.37	74,655	0.37	0.11
usadatanet.net	76,518	0.37	76,506	0.38	-2.36
guangzhou.gd.cn	76,508	0.37	74,379	0.37	0.42
globix.net	75,429	0.37	64,033	0.32	15.00
cybercon.com	75,165	0.37	71,602	0.36	2.48
xlink.net	74,244	0.36	81,467	0.41	-11.03
proxad.net	73,586	0.36	78,840	0.39	-8.88
hosteurope.de	72,735	0.35	68,416	0.34	3.78
cncnet.net	71,444	0.35	67,379	0.34	3.51
abac.com	70,983	0.35	69,032	0.34	0.38
yourhostingaccount.com	69,795	0.34	70,665	0.35	-3.58
datapipe.net	68,550	0.33	68,441	0.34	-2.22
yandex.ru	68,456	0.33	61,759	0.31	8.21
cihost.com	67,888	0.33	65,993	0.33	0.42
nlayer.net	66,930	0.33	71,688	0.36	-8.86
scservers.com	64,342	0.31	53,621	0.27	17.14
pri-dns.de	64,190	0.31	63,785	0.32	-1.76
inflow.net	64,188	0.31	59,873	0.30	4.66
tpnet.pl	61,621	0.30	62,126	0.31	-3.17
intergenia.de	61,224	0.30	61,345	0.31	-2.57
eli.net	61,220	0.30	64,946	0.32	-7.98
masterhost.ru	60,944	0.30	55,064	0.27	8.05
namespace4you.de	60,870	0.30	59,359	0.30	0.11
pilosoft.com	60,460	0.29	65,413	0.33	-9.77
liquidweb.com	59,841	0.29	58,656	0.29	-0.41
dns.fz.fj.cn	59,230	0.29	54,382	0.27	6.32
kornet.net	58,995	0.29	63,973	0.32	-9.97
iqtinc.com	58,225	0.28	53,605	0.27	6.04
cavtel.net	57,684	0.28	51,408	0.26	9.54
rz-ip.net	57,193	0.28	54,180	0.27	3.05
ipx-server.de	56,827	0.28	54,183	0.27	2.39
lanlogic.net	56,243	0.27	52,619	0.26	4.34
geodns.net	56,072	0.27	50,908	0.25	7.52
hostway.net	54,735	0.27	54,765	0.27	-2.43
rt-comm.ru	54,618	0.27	59,521	0.30	-10.42
he.net	54,580	0.27	50,656	0.25	5.18
dtag.de	54,363	0.27	53,591	0.27	-0.97
twtelecom.net	54,191	0.26	65,126	0.33	-18.77
dimenoc.com	53,517	0.26	50,680	0.25	3.09
interq.or.jp	53,380	0.26	51,559	0.26	1.07
ocn.ad.jp	53,310	0.26	49,983	0.25	4.12
zjnbptt.net.cn	53,017	0.26	61,477	0.31	-15.81
exobitnetworks.com	51,691	0.25	52,674	0.26	-4.20
4ph.com	51,075	0.25	47,408	0.24	5.17
alchemyfx.com	49,250	0.24	45,084	0.23	6.64
integraonline.com	49,074	0.24	44,072	0.22	8.70
tele.dk	48,972	0.24	48,853	0.24	-2.14
bta.net.cn	47,958	0.23	31,816	0.16	47.15
cnc-idc.com	46,983	0.23	44,260	0.22	3.63
hananet.net	46,906	0.23	49,509	0.25	-7.51
nmc1.ptt.js.cn	46,699	0.23	42,985	0.21	6.06
illinois.net	46,553	0.23	43,781	0.22	3.80
fc2.com	46,164	0.23	41,105	0.21	9.64
valueweb.net	45,555	0.22	45,563	0.23	-2.40
above.net	44,218	0.22	41,987	0.21	2.81
servint.com	44,082	0.21	43,101	0.22	-0.16
localhost	43,027	0.21	61,164	0.31	-31.33
chapel1.com	42,695	0.21	34,499	0.17	20.81
lunarpages.com	42,086	0.21	40,658	0.20	1.05
dn.net	41,462	0.20	42,072	0.21	-3.79
kasserver.com	41,106	0.20	40,406	0.20	-0.69
cn.net	41,003	0.20	39,894	0.20	0.34
twnic.net	40,884	0.20	39,839	0.20	0.18
ns01.idc.jp	40,348	0.20	37,706	0.19	4.46
sphere.ad.jp	39,858	0.19	36,194	0.18	7.50
bostondatacenters.com	39,612	0.19	38,819	0.19	-0.38
colt.net	39,596	0.19	41,579	0.21	-7.03
datasync.com	39,523	0.19	34,516	0.17	11.78
afrinic.net	39,520	0.19	39,046	0.19	-1.19
inode.at	39,500	0.19	38,262	0.19	0.78
inetbone.net	39,432	0.19	46,241	0.23	-16.75
neonova.net	39,234	0.19	36,670	0.18	4.45
gblx.net	39,062	0.19	37,131	0.19	2.70
rain.fr	39,058	0.19	42,432	0.21	-10.14
cofs.com	38,330	0.19	39,869	0.20	-6.15
clara.net	38,247	0.19	42,829	0.21	-12.82
in2net.com	38,193	0.19	37,510	0.19	-0.60
hosting.com	37,746	0.18	39,303	0.20	-6.25
westhawk.co.uk	37,469	0.18	47,233	0.24	-22.56
intelenet.net	37,409	0.18	39,435	0.20	-7.39
bluegravity.com	36,886	0.18	34,266	0.17	5.09
host4u.net	36,868	0.18	37,633	0.19	-4.36
usinternet.com	35,893	0.17	33,352	0.17	5.06
pbi.net	35,055	0.17	34,905	0.17	-1.96
interbusiness.it	34,724	0.17	35,200	0.18	-3.70
usen.ad.jp	34,720	0.17	32,204	0.16	5.25
smartnameservers.com	34,673	0.17	32,699	0.16	3.51
nuvox.net	34,607	0.17	34,192	0.17	-1.19
proserve.nl	34,499	0.17	36,255	0.18	-7.11
rr.com	34,360	0.17	33,261	0.17	0.85
eschelon.com	34,304	0.17	31,418	0.16	6.59
sagonet.com	34,151	0.17	37,477	0.19	-11.04
webcontrolcenter.com	33,991	0.17	33,018	0.16	0.50
isprime.com	33,761	0.16	31,094	0.16	5.99
ns1.solarus.biz	33,580	0.16	32,870	0.16	-0.27
gxn.net	33,499	0.16	29,230	0.15	11.88
ttuhsc.edu	33,366	0.16	37,836	0.19	-13.91
atrivo.com	33,244	0.16	30,120	0.15	7.75
texasdns.com	33,201	0.16	32,473	0.16	-0.19
propagation.net	33,060	0.16	33,934	0.17	-4.89
swbell.net	32,095	0.16	31,586	0.16	-0.81
lakeheadu.ca	31,239	0.15	30,089	0.15	1.35
0.200.209	31,028	0.15	29,348	0.15	3.21
pa.net	30,992	0.15	29,371	0.15	3.01
hivelocity.net	30,953	0.15	24,834	0.12	21.67
net.ru	30,869	0.15	27,978	0.14	7.71
btitelecom.net	30,837	0.15	31,507	0.16	-4.45
servidoresdns.net	30,801	0.15	30,129	0.15	-0.20
widexs.nl	30,729	0.15	30,002	0.15	-0.01
townisp.com	30,660	0.15	26,417	0.13	13.30
phatservers.com	30,631	0.15	28,135	0.14	6.28
3fn.net	30,554	0.15	27,195	0.14	9.68
euroaccess.nl	30,455	0.15	17,284	0.09	72.01
interware.hu	30,317	0.15	26,080	0.13	13.48
primarydns.com	30,032	0.15	29,470	0.15	-0.52
lnhi.net	29,873	0.15	29,708	0.15	-1.84
b-one-dns.net	29,860	0.15	28,235	0.14	3.24
coretel.net	29,856	0.15	30,136	0.15	-3.29
opentransfer.com	29,776	0.15	28,200	0.14	3.08
aspadmin.com	29,586	0.14	30,719	0.15	-5.98
bellsouth.net	29,142	0.14	29,230	0.15	-2.67
amis.net	29,091	0.14	3,272	0.02	767.94
enter.net	28,889	0.14	33,872	0.17	-16.74
burst.net	28,760	0.14	27,663	0.14	1.49
asmgi.com	28,531	0.14	27,119	0.14	2.70
gldn.net	28,522	0.14	26,905	0.13	3.49
calpop.com	28,389	0.14	26,647	0.13	4.00
netnation.com	28,224	0.14	22,990	0.11	19.85
agarik.com	28,215	0.14	46,138	0.23	-40.30
powweb.com	28,196	0.14	28,878	0.14	-4.68
rackforce.com	28,148	0.14	26,409	0.13	4.05
amenworld.com	28,087	0.14	27,025	0.13	1.46
home.pl	28,038	0.14	24,490	0.12	11.76
xs4all.nl	28,013	0.14	25,503	0.13	7.23
hopone.net	27,815	0.14	27,556	0.14	-1.46
dion.ne.jp	27,681	0.13	26,959	0.13	0.24
iomart.co.uk	27,296	0.13	26,180	0.13	1.78
dshelios.olympus	27,169	0.13	21	0.00	126198.86
jtlnet.com	26,372	0.13	22,073	0.11	16.63
nauticom.net	26,308	0.13	23,678	0.12	8.46
myalert.com	26,204	0.13	0	0.00	0.00
sbbs.se	26,144	0.13	306	0.00	8240.57
fastservers.net	25,964	0.13	24,790	0.12	2.24
ipipe.net	25,843	0.13	20,601	0.10	22.46
expedient.com	25,734	0.13	23,312	0.12	7.76
meganameservers.com	25,733	0.13	24,753	0.12	1.49
telia.com	25,332	0.12	25,334	0.13	-2.39
donhost.co.uk	25,136	0.12	24,570	0.12	-0.13
mcbone.net	25,072	0.12	24,496	0.12	-0.08
uslec.net	25,050	0.12	24,657	0.12	-0.82
west-datacenter.net	24,997	0.12	23,621	0.12	3.31
kidc.net	24,944	0.12	24,708	0.12	-1.45
vanion.com	24,861	0.12	24,044	0.12	0.94
servepath.com	24,822	0.12	24,148	0.12	0.35
eurekanetworks.net	24,485	0.12	23,540	0.12	1.54
iweb-hosting.com	24,371	0.12	20,884	0.10	13.92
speakeasy.net	23,946	0.12	24,095	0.12	-2.98
rcn.net	23,788	0.12	23,231	0.12	-0.04
hichina.com	23,738	0.12	28,330	0.14	-18.20
aitcom.net	23,738	0.12	23,486	0.12	-1.33
uk2.net	23,719	0.12	25,471	0.13	-9.09
webfusion.co.uk	23,500	0.11	23,664	0.12	-3.06
ktc.com	23,407	0.11	23,281	0.12	-1.85
anonymous-servers.com	23,352	0.11	22,728	0.11	0.30
casablanca.cz	23,308	0.11	22,251	0.11	2.26
accentric.net	23,204	0.11	20,079	0.10	12.81
hinet.net	23,165	0.11	22,546	0.11	0.30
netbenefit.co.uk	23,107	0.11	22,178	0.11	1.71
novani.com	23,065	0.11	23,894	0.12	-5.77
sippia.de	23,060	0.11	16,023	0.08	40.49
amaranth.net	22,358	0.11	18,919	0.09	15.37
fastdns.net	22,316	0.11	21,964	0.11	-0.81
techmed-it.com	22,289	0.11	22,111	0.11	-1.59
dakotacom.net	22,195	0.11	21,363	0.11	1.42
bluegrass.net	22,110	0.11	22,938	0.11	-5.90
comcastbusiness.net	21,772	0.11	20,600	0.10	3.18
bt.net	21,730	0.11	21,429	0.11	-1.01
tmag.de	21,685	0.11	21,633	0.11	-2.14
mediatemple.net	21,582	0.11	20,519	0.10	2.68
elinuxservers.com	21,279	0.10	24,592	0.12	-15.53
triton.net	21,247	0.10	17,933	0.09	15.66
ip-plus.net	21,196	0.10	21,822	0.11	-5.18
spylog.com	21,082	0.10	17,065	0.09	20.60
ispdial.com	21,044	0.10	19,565	0.10	5.00
enta.net	20,900	0.10	17,540	0.09	16.32
corbina.net	20,822	0.10	20,345	0.10	-0.09
ciberlynx.net	20,609	0.10	23,933	0.12	-15.94
bluehost.com	20,579	0.10	18,501	0.09	8.59
aplushosting.com	20,530	0.10	20,354	0.10	-1.53
tera-byte.com	20,149	0.10	20,196	0.10	-2.61
uunet.ca	20,026	0.10	18,790	0.09	4.04
umassp.edu	19,945	0.10	18,256	0.09	6.65
inet.it	19,892	0.10	20,329	0.10	-4.48
server-dns.com	19,826	0.10	19,802	0.10	-2.26
easynet.co.uk	19,601	0.10	18,453	0.09	3.69
metrocast.net	19,592	0.10	19,139	0.10	-0.07
nacamar.net	19,339	0.09	19,399	0.10	-2.68
sbcidc.com	19,110	0.09	19,115	0.10	-2.40
voyager.net	18,870	0.09	18,895	0.09	-2.51
voxel.net	18,839	0.09	18,058	0.09	1.84
fibercloud.com	18,712	0.09	9,904	0.05	84.44
cnuninet.net	18,628	0.09	17,140	0.09	6.10
datanet.hu	18,537	0.09	16,019	0.08	12.97
evanzo.com	18,528	0.09	17,952	0.09	0.75

* 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.

Beginning with the February 2006 data set on which the March 1st, 2006 reports are based, a new algorithm was implemented for determining which webservers are assigned to which ISP. This new algorithm catches a significant number of servers which previously were unable to be assigned to an ISP.