Port 3226ISI Industry Software IRP

IANA assigns TCP and UDP port 3226 to ISI Industry Software IRP; no commonly documented listener or protocol behavior is known.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as isi-irp

Technical Details

what runs on :3226

ISI Industry Software IRP is registered on port :3226 over tcp and udp to Peter Sandstrom. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :3226

this machine

# linux
sudo ss -tulpn 'sport = :3226'

# macos / bsd
sudo lsof -nP -i :3226

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :3226

another host

nmap -sV -p T:3226 <host>
sudo nmap -sU -sV -p U:3226 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :3226

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

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

no security notes recorded for :3226 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :3226
service: ISI Industry Software IRP
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The registry identifies this assignment as ISI Industry Software IRP and lists Peter Sandstrom as the registrant. Its use is obscure, and it has not been observed open in Nmap's scan data.
lookups: 0rank 993
added: 2026-09-28
updated: 2026-09-28
references: IANA service name registry — port 3226

Something wrong?

This record is maintained by the engineers who use port 3226. 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 2026-09-28.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :3226, by lookups.

port	service	proto	category	risk	views
:3233	WhiskerControl Protocol	TCPUDP	Network Services	caution	61.9k
:3268	Microsoft Global Catalog (GC)	TCPUDP	Security	caution	54.6k
:3269	Microsoft Global Catalog SSL	TCPUDPtls	Security	caution	26.4k
:3283	Apple Remote Desktop Reporting	TCP	Remote Access	caution	26.0k
:3260	iSCSI Target Service	TCP	Databases	caution	11.1k
:3235	Galaxy Network Service	TCPUDP	Web Services	caution	9.5k
:3225	FCIP	TCPUDP	Databases	caution	4.5k
:3264	cc:Mail/Lotus	TCPUDP	Email	safe	0

risk mix of the 8 listed

safe13%
caution88%

1 of 8 encrypted

Port :3226ISI Industry Software IRP

Technical Details

Security Information

Related Ports

Port 3226ISI Industry Software IRP