Port 1613NetBill Key Repository

Port 1613 is assigned to the NetBill Key Repository service over TCP and UDP.

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

Technical Details

what runs on :1613

NetBill Key Repository is registered on port :1613 over tcp and udp. 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 :1613

this machine

# linux
sudo ss -tulpn 'sport = :1613'

# macos / bsd
sudo lsof -nP -i :1613

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1613

another host

nmap -sV -p T:1613 <host>
sudo nmap -sU -sV -p U:1613 <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 :1613

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 :1613 yet

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

Record

iana registry entry

port: :1613
service: NetBill Key Repository
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: This assignment identifies TCP and UDP port 1613 as the NetBill Key Repository service. No registering organization or widely observed deployment is recorded, and the port has not appeared open in nmap's internet-wide scan data.
lookups: 0rank 993
added: 2026-09-17
updated: 2026-09-17
references: IANA service name registry — port 1613

Something wrong?

This record is maintained by the engineers who use port 1613. 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 2026-09-17.

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 :1613, by lookups.

port	service	proto	category	risk	views
:1645	RADIUS Authentication (Cisco/Juniper)	TCPUDP	Security	caution	15.1k
:1646	RADIUS Accounting	TCPUDP	Security	caution	13.1k
:1581	MIL-STD-2045-47001 VMF	UDP	Security	caution	10.6k
:1550	Gadu-Gadu C2C		Network Services	caution	7.7k
:1677	Novell GroupWise	TCPUDP	Email	caution	7.5k
:1589	Cisco VQP / VMPS	UDP	Security	caution	6.2k
:1627	iSketch		Gaming	caution	4.5k
:1666	Perforce	TCP	File Transfer	caution	4.4k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :1613NetBill Key Repository

Technical Details

Security Information

Related Ports

Port 1613NetBill Key Repository