Check-Host.cc

Network Port

Port 2181

Custom / ephemeral port

Total Hosts
355,381
last 90 d
Countries
12
distinct
Top Software
from banners
CVE Hits
NVD feed pending

Service Detail

Port
2181
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

Country IPs
US 77,363
CN 16,641
KR 8,816
SG 6,436
FR 5,919
IR 5,523
BR 4,588
TW 3,508
AU 3,203
TR 2,650
IL 2,499
GB 1,704

Top ASNs

ASN Name IPs
AS396982 Google Cloud 39,608
AS37963 Alibaba (China) 12,089
AS19551 Thales/Imperva 8,525
AS9488 5,539
AS197207 Mobile Communication Company of Iran 5,445
AS13335 Cloudflare 4,777
AS7472 3,944
AS4230 Claro 3,727
AS40509 3,608
AS20214 Comcast - Miami/Pompano 3,237
AS1715 3,193
AS98 3,089

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.