Network Port

Port 138

Custom / ephemeral port

Total Hosts

281,837

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	60,024
KR	7,584
SG	7,253
FR	6,328
IR	5,418
BR	4,157
TW	4,145
AU	3,110
TR	2,540
IL	2,312
CN	2,238
GB	1,693

Top ASNs

ASN	Name	IPs
AS396982	Google Cloud	37,677
AS197207	Mobile Communication Company of Iran	5,358
AS7472	—	4,933
AS9488	—	4,617
AS13335	Cloudflare	4,530
AS1659	Taiwan Academic Network(TANet)	3,810
AS1715	—	3,614
AS4230	Claro	3,464
AS40509	—	3,463
AS98	—	2,776
AS9509	—	2,617
AS42925	Internet Rimon	2,208

Recently Seen on Port 138

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

91.217.117.36 212.31.31.236 129.85.68.37 95.86.106.34 34.43.219.94 137.132.195.227 141.117.115.77 212.93.113.110 107.178.244.117 129.85.202.137 129.85.42.60 147.46.84.45 136.82.24.19 136.81.194.45 191.61.52.190 8.233.56.131 34.107.135.93 43.226.45.238 47.254.211.21 43.227.65.64

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.