Network Port
Port 9999
Custom / ephemeral port
Total Hosts
450,671
last 90 d
Countries
12
distinct
Top Software
—
from banners
CVE Hits
—
NVD feed pending
Service Detail
Port
9999
Protocol
TCP / UDP
Service
—
IANA Reserved
—
Common Risk
—
Top Software on this Port
No banners yet
banner-sweep hasn't fingerprinted a host on this port yet.
Top Countries
Top ASNs
| ASN | Name | IPs |
|---|---|---|
| AS396982 | Google Cloud | 38,777 |
| AS37963 | Alibaba (China) | 13,249 |
| AS19551 | Thales/Imperva | 8,695 |
| AS197207 | Mobile Communication Company of Iran | 6,399 |
| AS4134 | China Telecom | 6,113 |
| AS9488 | — | 4,996 |
| AS7472 | — | 4,120 |
| AS139341 | ACE CDN | 3,939 |
| AS13335 | Cloudflare | 3,860 |
| AS4230 | Claro | 3,748 |
| AS20214 | Comcast - Miami/Pompano | 3,404 |
| AS1715 | — | 3,387 |
Recently Seen on Port 9999
Hosts most recently observed with this port open in our scan sweep.
CVE Matches
No version-matched CVEs
No published CVE exactly matches a software version seen on this port. Banners often omit versions, which limits precise matching.