Port 27876Astrolink Protocol

TCP port 27876 is assigned to the Astrolink Protocol, registered to Alanax Technologies Inc.

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

Technical Details

what runs on :27876

Astrolink Protocol is registered on port :27876 over tcp to Alanax Technologies Inc, assigned January 2013. 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 :27876

this machine

# linux
sudo ss -tlpn 'sport = :27876'

# macos / bsd
sudo lsof -nP -i :27876

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :27876

another host

nmap -sV -p T:27876 <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 :27876

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :27876 yet

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

Record

iana registry entry

port: :27876
service: Astrolink Protocol
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP port 27876 to the Astrolink Protocol and lists Alanax Technologies Inc. as the registrant. No established public deployment or commonly encountered listener is known.
lookups: 0rank 993
added: 2026-10-19
updated: 2026-10-19
references: IANA service name registry — port 27876

Something wrong?

This record is maintained by the engineers who use port 27876. 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
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :27876, by lookups.

port	service	proto	category	risk	views
:27901	Quake II Master Server	UDP	Gaming	caution	8.5k
:27900	Nintendo Wi-Fi		Network Services	caution	6.9k
:27888	Kaillera Server	UDP	Gaming	caution	6.5k

risk mix of the 3 listed

caution100%

0 of 3 encrypted

Port :27876Astrolink Protocol

Technical Details

Security Information

Related Ports

Port 27876Astrolink Protocol