Network Port
IMAP
Port 143
Well-known service: IMAP
Total Hosts
1,481,451
last 90 d
Countries
12
distinct
Top Software
—
from banners
CVE Hits
—
NVD feed pending
Service Detail
Port
143
Protocol
TCP / UDP
Service
IMAP
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 | 40,301 |
| AS37963 | Alibaba (China) | 10,973 |
| AS16276 | OVHcloud | 9,958 |
| AS19551 | Thales/Imperva | 9,539 |
| AS12824 | home.pl S.A. | 8,903 |
| AS26496 | GoDaddy | 7,889 |
| AS24940 | Hetzner Online | 7,119 |
| AS46606 | Endurance International Group, Inc | 6,731 |
| AS197207 | Mobile Communication Company of Iran | 5,294 |
| AS2514 | NTT PC Communications (InfoSphere) | 4,846 |
| AS9488 | — | 4,537 |
| AS13335 | Cloudflare | 4,130 |
Recently Seen on Port 143
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.