Network Port

Port 138

Custom / ephemeral port

Total Hosts

282,833

last 90 d

Countries

distinct

Top Software

—

from banners

CVE Hits

—

NVD feed pending

Service Detail

Port

138

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	60,174
KR	7,659
SG	7,259
FR	6,333
IR	5,397
BR	4,161
TW	4,147
AU	3,122
TR	2,558
IL	2,329
CN	2,240
GB	1,663

Top ASNs

ASN	Name	IPs
AS396982	Google Cloud	37,750
AS197207	Mobile Communication Company of Iran	5,337
AS7472	—	4,935
AS9488	—	4,651
AS13335	Cloudflare	4,532
AS1659	Taiwan Academic Network(TANet)	3,813
AS1715	—	3,609
AS4230	Claro	3,472
AS40509	—	3,462
AS98	—	2,800
AS9509	—	2,633
AS42925	Internet Rimon	2,224

Recently Seen on Port 138

Hosts most recently observed with this port open in our scan sweep.

163.18.47.234 151.102.2.19 5.218.8.27 151.102.207.220 212.76.110.135 34.36.121.222 169.155.53.66 35.186.254.186 193.84.85.60 178.170.178.236 166.104.32.101 89.249.63.13 191.61.156.91 136.68.25.228 109.235.161.221 136.69.97.192 147.32.12.58 149.152.57.144 165.12.182.44 35.227.215.94

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.