Network Port

Port 138

Custom / ephemeral port

Total Hosts

291,416

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	61,088
KR	8,357
SG	7,326
FR	6,413
IR	5,260
BR	4,221
TW	4,169
AU	3,251
TR	2,613
IL	2,366
CN	2,317
GB	1,379

Top ASNs

ASN	Name	IPs
AS396982	Google Cloud	38,097
AS197207	Mobile Communication Company of Iran	5,201
AS9488	—	5,032
AS7472	—	4,954
AS13335	Cloudflare	4,600
AS1659	Taiwan Academic Network(TANet)	3,834
AS1715	—	3,609
AS4230	Claro	3,553
AS40509	—	3,484
AS98	—	2,877
AS9509	—	2,744
AS237	Merit Network	2,437

Recently Seen on Port 138

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

184.95.67.233 172.65.43.173 188.132.138.28 212.70.206.17 172.65.156.172 47.90.115.22 8.232.32.106 34.120.50.198 166.104.25.202 195.168.0.12 136.81.125.95 166.104.111.181 69.196.102.210 171.231.96.81 38.29.175.85 213.151.53.162 137.66.9.195 120.119.42.70 136.68.221.84 141.217.51.174

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.