Network Port

Port 138

Custom / ephemeral port

Total Hosts

283,866

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	60,227
KR	7,733
SG	7,265
FR	6,363
IR	5,369
BR	4,174
TW	4,162
AU	3,134
TR	2,557
IL	2,341
CN	2,253
GB	1,627

Top ASNs

ASN	Name	IPs
AS396982	Google Cloud	37,780
AS197207	Mobile Communication Company of Iran	5,308
AS7472	—	4,929
AS9488	—	4,699
AS13335	Cloudflare	4,513
AS1659	Taiwan Academic Network(TANet)	3,827
AS1715	—	3,630
AS4230	Claro	3,490
AS40509	—	3,460
AS98	—	2,805
AS9509	—	2,644
AS42925	Internet Rimon	2,238

Recently Seen on Port 138

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

191.61.117.254 43.226.149.223 136.81.146.191 129.62.4.174 137.66.25.39 212.76.111.67 207.73.64.221 159.108.151.10 35.244.191.205 147.46.65.161 163.18.125.22 141.217.26.129 34.111.25.190 34.111.24.234 165.154.178.230 38.128.163.3 147.47.159.67 34.120.71.194 141.217.155.252 136.79.95.171

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.