Check-Host.cc

Top-Level Domain

.jp

Aggregated statistics for the top-level domain

Apex domains
554,747
we've enumerated
Subdomains seen
2,201,064
CT + DNS + brute
TLS certs
73,915
naming .jp
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mixh.jp 34,426
xsrv.jp 34,284
cfbx.jp 29,925
coreserver.jp 5,205
stars.ne.jp 4,070
docomo.ne.jp 3,378
vs.sakura.ne.jp 3,218
xbiz.jp 2,497
recruit.co.jp 2,482
mixcd24.jp 2,359
megax.ne.jp 2,333
mufg.jp 2,325
cloudfree.jp 2,258
rakuten.co.jp 2,199
nii.ac.jp 2,151
tsukuba.ac.jp 2,028
softbank.jp 1,989
biglobe.ne.jp 1,894
stylful.jp 1,762
yahoo.co.jp 1,733
geo.jp 1,657
so-net.ne.jp 1,610
bex.jp 1,608
wpx.jp 1,598
suumo.jp 1,584
jetboy.jp 1,550
u-tokyo.ac.jp 1,548
jpsovereigncloud.jp 1,543
htmnet.ne.jp 1,532
twin.ne.jp 1,400
commynavi-job20s.jp 1,380
tokyo.lg.jp 1,370
pt7.jp 1,340
nagoya-u.ac.jp 1,299
1gr.jp 1,237
hobby-net.ne.jp 1,208
etius.jp 1,176
210.ne.jp 1,172
brazil.ne.jp 1,167
xrea.jp 1,163
estama.jp 1,152
kyoto-u.ac.jp 1,113
cuenote.jp 1,111
seiryu.ne.jp 1,104
hoops.jp 1,057
xdsl.ne.jp 1,054
online.jp 1,052
blogmin.jp 1,037
emb-japan.go.jp 1,015
mynavi.jp 1,008

Top Certificate Issuers

Issuer (CA) Certs
Amazon 18,960
Let's Encrypt 10,290
DigiCert 7,931
GlobalSign 7,749
JPRS Domain Validation Authority - G4 5,258
Cybertrust Japan SureServer CA G4 2,610
WR3 1,837
Sectigo 1,256
NII Open Domain CA - G8 RSA 1,122
Cybertrust Japan SureServer EV CA G3 1,115
YR2 1,093
YR1 1,024
SECOM Passport for Web SR 3.0 CA 938
FujiSSL RSA Domain Validation Secure Server CA 2 842
NII Open Domain CA - G7 RSA 737

Top Hosting ASNs

ASN Name .jp domains
AS131965 XSERVER 117,315
AS206834 107,342
AS16509 Amazon.com 87,982
AS7506 GMO Internet, Inc. 57,869
AS9371 SAKURA internet AS9371 46,781
AS13335 Cloudflare 33,263
AS7684 SAKURA-A 29,659
AS9370 SAKURA internet AS9370 23,810
AS37907 18,617
AS58791 GMO Internet West 17,663
AS396982 Google Cloud 17,615
AS4713 NTT Communications Corporation (OCN) 15,515
AS4694 IDC Frontier Inc. 14,613
AS9597 KDDI Web Communications 9,301
AS131921 GMO CLOUD 8,711

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.