Port 24601UDP-based IP-Layer Capacity and Performance Measurement Protocol

UDP port 24601 is assigned to UDPSTP, an IP-layer protocol for measuring network capacity and performance.

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

also known as udpstp

Technical Details

what runs on :24601

UDPSTP uses UDP port 24601 for IP-layer capacity and performance measurement. The registry identifies the protocol and its purpose, but does not specify handshake, packet framing, defaults, or related ports; those details should be checked against the protocol specification and the implementation rather than inferred from the port assignment.

Security Information

exposure of :24601

risk score

1/ 10safe

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

network services averages 2.6 across 1,943 ports — this one sits 1.6 below.

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

udp

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

security overview

The port is not commonly observed open in internet-wide scans. Measurement endpoints can generate traffic that affects network load, so expose them only where needed and follow the implementation's access controls; do not assume UDP traffic is authenticated or encrypted by default.

Record

iana registry entry

port: :24601
service: UDP-based IP-Layer Capacity and Performance Measurement Protocol
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Network Services
usage: This IETF-assigned UDP service is intended for IP-layer capacity and performance measurements. It has not appeared open in the cited internet-wide scan data, so it is not a commonly encountered public listener.
lookups: 0rank 993
added: 2026-10-19
updated: 2026-10-19
references: IANA service name registry — port 24601
RFC 9946

Something wrong?

This record is maintained by the engineers who use port 24601. 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 2026-10-19.

01edit any field on a page of its own
02a model checks it for accuracy and spam
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edit this record →back to the registry

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all 1,943 in network services →

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:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :24601UDP-based IP-Layer Capacity and Performance Measurement Protocol

Technical Details

Security Information

Related Ports

Port 24601UDP-based IP-Layer Capacity and Performance Measurement Protocol