Do Banks have to whitelist any IP of NPCI to access the NPCI GST portal?

Do Banks have to whitelist any IP of NPCI to access the NPCI GST portal?

NPCI has 2 IP’s which run alternatively as PR and DR. At once only 1 IP will be functional, PR IP is 103.14.162.217 and DR IP is 103.14.161.227. Members have to also open port 6001.