Check-Host.cc

Top-Level Domain

.jp

Aggregated statistics for the top-level domain

Apex domains
533,977
we've enumerated
Subdomains seen
2,049,326
CT + DNS + brute
TLS certs
71,883
naming .jp
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mixh.jp 33,079
xsrv.jp 29,770
cfbx.jp 27,736
coreserver.jp 4,921
docomo.ne.jp 3,220
vs.sakura.ne.jp 3,081
stars.ne.jp 3,045
recruit.co.jp 2,441
xbiz.jp 2,351
megax.ne.jp 2,324
mufg.jp 2,286
nii.ac.jp 2,116
cloudfree.jp 2,106
mixcd24.jp 2,053
tsukuba.ac.jp 2,017
softbank.jp 1,969
rakuten.co.jp 1,914
biglobe.ne.jp 1,885
stylful.jp 1,752
so-net.ne.jp 1,609
geo.jp 1,607
yahoo.co.jp 1,578
bex.jp 1,562
jpsovereigncloud.jp 1,533
htmnet.ne.jp 1,527
wpx.jp 1,493
u-tokyo.ac.jp 1,464
jetboy.jp 1,454
commynavi-job20s.jp 1,354
twin.ne.jp 1,352
tokyo.lg.jp 1,344
pt7.jp 1,272
nagoya-u.ac.jp 1,264
1gr.jp 1,216
hobby-net.ne.jp 1,183
210.ne.jp 1,158
brazil.ne.jp 1,136
xrea.jp 1,119
estama.jp 1,092
seiryu.ne.jp 1,087
cuenote.jp 1,058
hoops.jp 1,039
xdsl.ne.jp 1,038
online.jp 1,038
kyoto-u.ac.jp 1,012
blogmin.jp 1,012
etius.jp 1,010
mynavi.jp 987
tohoku.ac.jp 978
colombia.jp 973

Top Certificate Issuers

Issuer (CA) Certs
Amazon 18,935
Let's Encrypt 10,182
DigiCert 7,654
GlobalSign 7,480
JPRS Domain Validation Authority - G4 5,151
Cybertrust Japan SureServer CA G4 2,513
WR3 1,712
Sectigo 1,224
Cybertrust Japan SureServer EV CA G3 1,074
NII Open Domain CA - G8 RSA 1,067
YR2 934
SECOM Passport for Web SR 3.0 CA 921
YR1 876
FujiSSL RSA Domain Validation Secure Server CA 2 810
NII Open Domain CA - G7 RSA 722

Top Hosting ASNs

ASN Name .jp domains
AS131965 XSERVER 111,016
AS206834 104,698
AS16509 Amazon.com 85,928
AS7506 GMO Internet, Inc. 54,671
AS9371 SAKURA internet AS9371 44,387
AS13335 Cloudflare 31,605
AS7684 SAKURA-A 28,278
AS9370 SAKURA internet AS9370 22,644
AS37907 17,480
AS396982 Google Cloud 16,655
AS58791 GMO Internet West 16,636
AS4713 NTT Communications Corporation (OCN) 14,860
AS4694 IDC Frontier Inc. 14,140
AS9597 KDDI Web Communications 9,225
AS131921 GMO CLOUD 8,447

Tech-Stack Distribution

No Wappalyzer detections

Body-fetcher hasn't covered enough .jp sites yet for stack patterns to emerge.

Threat-intel hits

Feed Category Domains
openphish phishing 7
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.