Port 1153ANSI C12.22

ANSI C12.22 utility-meter communications using ACSE over TCP or UDP.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 4/10
lookups: 0

also known as c1222-acse

Technical Details

what runs on :1153

C12.22 uses the Application-Layer Common Service Element (ACSE) to establish an association before exchanging ANSI C12.22/C12.19 application messages. The service is assigned to both TCP and UDP port 1153; TCP provides the transport stream, while UDP deployments carry protocol messages in datagrams. Protocol security and deployment-specific authentication may be available, but encryption should not be assumed by default.

Security Information

exposure of :1153

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 2.9 across 1,082 ports — this one sits 1.1 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

This protocol can expose utility-meter readings and, depending on the device and deployment, support sensitive meter operations. It should be restricted to trusted utility networks or protected by strong access controls and appropriate protocol security; exposing it directly to the Internet is not recommended.

Record

iana registry entry

port: :1153
service: ANSI C12.22
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 4/10caution
category: Network Services IoT
usage: ANSI C12.22 is used by electric utility meters and utility head-end systems to exchange meter data and control information based on ANSI C12.19. It is uncommon on the public Internet and is normally found within utility networks or private communications infrastructure.
lookups: 0rank 994
added: 2026-09-10
updated: 2026-09-10
references: IANA service name registry — port 1153
RFC 6142

Something wrong?

This record is maintained by the engineers who use port 1153. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-09-10.

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edit this record →back to the registry

Related Ports

all 1,082 in network services →

the 8 most looked-up other ports in network services — 1,082 ports carry that label.

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:3268	Microsoft Global Catalog (GC)	TCPUDP	Security	caution	54.6k
:135	Microsoft EPMAP	TCPUDP	Security	caution	51.9k
:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :1153ANSI C12.22

Technical Details

Security Information

Related Ports

Port 1153ANSI C12.22