Cannot connect to postgresql on port 5432

Hi Experts,

Post installation of PostgreSQL it is not listening on an IP, only on localhost.

Please suggest your inputs.

Used below command for installations -

# apt-get install postgresql-12
postgres=# select version();
version
------------------------------------------------------------------------------------------------------------------
PostgreSQL 12.1 (Debian 12.1-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit
(1 row)

Entries in ::: /etc/postgresql/12/main/pg_hba.conf
# Database administrative login by Unix domain socket
local all postgres peer
# TYPE DATABASE USER ADDRESS METHOD
# "local" is for Unix domain socket connections only
local all all peer
# IPv4 local connections:
host all all 127.0.0.1/32 md5
# IPv6 local connections:
host all all ::1/128 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
local replication all peer
host replication all 127.0.0.1/32 md5
host replication all ::1/128 md5

Not connected

postgres(at)srv:/opt$ netstat -nlp | grep 5432
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 25857/postgres
unix 2 [ ACC ] STREAM LISTENING 74234 25857/postgres /var/run/postgresql/.s.PGSQL.5432

postgres(at)srv:~$ telnet 10.133.214.32 5432
Trying 10.133.214.32...
telnet: Unable to connect to remote host: Connection refused