Top-Level Domain
.io
Aggregated statistics for the top-level domain
Apex domains
—
we've enumerated
Subdomains seen
9,417,674
CT + DNS + brute
TLS certs
82,605
naming .io
Hosting ASNs
15
distinct origins
Distribucija domena
Apex domains with the most known subdomains — large orgs, telecoms, hosters.
| Apex | Subdomains |
|---|---|
| azurecontainerapps.io | 3,450,869 |
| keenetic.io | 1,804,867 |
| nip.io | 327,234 |
| sslip.io | 261,010 |
| azurecontainerapps-test.io | 185,670 |
| k4apps.io | 174,298 |
| nid.io | 118,142 |
| netcraze.io | 84,005 |
| starsweb.io | 73,902 |
| tktl.io | 64,515 |
| qzz.io | 51,593 |
| instruqt.io | 30,029 |
| nxcli.io | 26,753 |
| cloudhub.io | 22,356 |
| jsdelivr.io | 19,471 |
| aroapp-hcp.io | 13,720 |
| redhatworkshops.io | 12,638 |
| streamgpu.io | 11,882 |
| aroapp.io | 11,627 |
| cedevice.io | 10,033 |
| isccloud.io | 9,082 |
| tmachine.io | 8,306 |
| sfmc.io | 8,257 |
| wiz.io | 7,930 |
| upli.io | 7,566 |
| ikarem.io | 7,421 |
| icore.io | 6,907 |
| cxnpl.io | 6,558 |
| affiliatereel.io | 6,066 |
| galaxy-dev.io | 5,343 |
| cs-ide.io | 5,092 |
| cwan.io | 4,883 |
| azmk8s.io | 4,862 |
| lumar.io | 4,781 |
| fluffy-otter-5.telebit.io | 4,768 |
| sapcloud.io | 4,710 |
| enablon.io | 4,678 |
| backname.io | 4,667 |
| hotelengine.io | 4,383 |
| pegcloud.io | 4,358 |
| serious-cat-33.telebit.io | 4,312 |
| litegallery.io | 4,281 |
| gigantic.io | 4,241 |
| zuddl.io | 4,192 |
| wdr.io | 4,181 |
| ordinary-elephant-58.telebit.io | 3,992 |
| dishcloud.io | 3,944 |
| enotis.io | 3,861 |
| amazee.io | 3,810 |
| idemia.io | 3,798 |
Top izdavaoci sertifikata
| Issuer (CA) | Certs |
|---|---|
| Amazon | 29,661 |
| Let's Encrypt | 24,288 |
| WR3 | 5,184 |
| ca | 4,756 |
| YR1 | 1,895 |
| YR2 | 1,828 |
| YE2 | 1,753 |
| Sectigo | 1,672 |
| YE1 | 1,654 |
| RunCloud WebSSL Root CA | 1,573 |
| DigiCert | 1,362 |
| Cloudflare | 1,224 |
| GoDaddy | 710 |
| ZeroSSL | 434 |
| GlobalSign | 364 |
Top hosting ASN-ovi
| ASN | Name | .io domains |
|---|---|---|
| AS16509 | Amazon.com | 355,048 |
| AS8075 | Microsoft | 322,122 |
| AS13335 | Cloudflare | 133,702 |
| AS396982 | Google Cloud | 59,656 |
| AS14061 | DigitalOcean | 56,560 |
| AS24940 | Hetzner Online | 55,355 |
| AS16276 | OVHcloud | 36,377 |
| AS214996 | — | 26,526 |
| AS14618 | Amazon AES | 23,351 |
| AS49505 | Selectel Ltd. | 21,570 |
| AS41722 | Miran | 17,078 |
| AS206834 | — | 16,838 |
| AS47583 | Hostinger International | 16,512 |
| AS54113 | Fastly, Inc. | 14,542 |
| AS34762 | Combell | 12,867 |
Distribucija tehnološkog steka
No Wappalyzer detections
Body-fetcher hasn't covered enough .io sites yet for stack patterns to emerge.
Most-resolved apex domains
Apexes resolving to the most distinct A/AAAA records — popularity proxy.
| Apex | Distinct IPs |
|---|---|
| aixl.io | 2,588 |
| www.enablejavascript.io | 1,347 |
| 192bet0.io | 986 |
| code.gitea.io | 824 |
| 98e.io | 753 |
| 6ss.io | 750 |
| staging.keen.io | 671 |
| 8pus.io | 663 |
| zproxy.lum-superproxy.io | 634 |
| agar.io | 589 |
| ik.imagekit.io | 467 |
| air360.io | 446 |
| restream.io | 429 |
| gitea.io | 403 |
| meltwater.io | 386 |
| cdn.trustindex.io | 330 |
| canny.io | 323 |
| docs.gitea.io | 300 |
| cdn.pagesense.io | 297 |
| noenv.io | 283 |
| 389win.io | 280 |
| cdn.raygun.io | 249 |
| justrelate.io | 248 |
| beefree.io | 245 |
| www.linearity.io | 237 |
Threat-intel hits
| Feed | Category | Domains |
|---|---|---|
| openphish | phishing | 1,587 |
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