Check-Host.cc

Top-Level Domain

.jp

Aggregated statistics for the top-level domain

Apex domains
531,820
we've enumerated
Subdomains seen
2,036,425
CT + DNS + brute
TLS certs
71,691
naming .jp
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mixh.jp 32,940
xsrv.jp 29,542
cfbx.jp 27,597
coreserver.jp 4,912
docomo.ne.jp 3,257
vs.sakura.ne.jp 3,060
stars.ne.jp 3,004
recruit.co.jp 2,422
xbiz.jp 2,325
megax.ne.jp 2,320
mufg.jp 2,282
nii.ac.jp 2,115
cloudfree.jp 2,079
mixcd24.jp 2,053
rakuten.co.jp 2,025
tsukuba.ac.jp 2,016
softbank.jp 1,967
biglobe.ne.jp 1,880
stylful.jp 1,747
yahoo.co.jp 1,626
geo.jp 1,604
bex.jp 1,559
jpsovereigncloud.jp 1,533
htmnet.ne.jp 1,524
wpx.jp 1,483
jetboy.jp 1,466
u-tokyo.ac.jp 1,453
so-net.ne.jp 1,369
commynavi-job20s.jp 1,351
tokyo.lg.jp 1,344
twin.ne.jp 1,322
pt7.jp 1,272
nagoya-u.ac.jp 1,265
1gr.jp 1,216
hobby-net.ne.jp 1,165
210.ne.jp 1,135
xrea.jp 1,114
brazil.ne.jp 1,114
estama.jp 1,084
seiryu.ne.jp 1,083
cuenote.jp 1,046
hoops.jp 1,033
xdsl.ne.jp 1,033
online.jp 1,026
blogmin.jp 1,007
kyoto-u.ac.jp 1,007
etius.jp 988
mynavi.jp 984
tohoku.ac.jp 977
colombia.jp 970

Top Certificate Issuers

Issuer (CA) Certs
Amazon 18,932
Let's Encrypt 10,168
DigiCert 7,628
GlobalSign 7,456
JPRS Domain Validation Authority - G4 5,140
Cybertrust Japan SureServer CA G4 2,498
WR3 1,699
Sectigo 1,222
Cybertrust Japan SureServer EV CA G3 1,071
NII Open Domain CA - G8 RSA 1,060
YR2 922
SECOM Passport for Web SR 3.0 CA 916
YR1 866
FujiSSL RSA Domain Validation Secure Server CA 2 804
NII Open Domain CA - G7 RSA 722

Top Hosting ASNs

ASN Name .jp domains
AS131965 XSERVER 110,192
AS206834 104,092
AS16509 Amazon.com 85,722
AS7506 GMO Internet, Inc. 54,380
AS9371 SAKURA internet AS9371 44,096
AS13335 Cloudflare 31,453
AS7684 SAKURA-A 28,166
AS9370 SAKURA internet AS9370 22,528
AS37907 17,340
AS396982 Google Cloud 16,544
AS58791 GMO Internet West 16,508
AS4713 NTT Communications Corporation (OCN) 14,817
AS4694 IDC Frontier Inc. 14,101
AS9597 KDDI Web Communications 9,223
AS131921 GMO CLOUD 8,413

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.