Please be aware that IP Addresses can change and therefore users should not restrict their Internet settings to IP addresses but to URLs instead.
ADP
IP Address: 51.141.5.62 - as of 18th January 2023
Ports: 80 and 443
URLs:
For users that have ADP Version 23 &24 installed:
https://adp.admiralty.co.uk/UPDATES/ADP/updating (Internet)
https://adpactivation.ukho.gov.uk
https://www.admiralty.co.uk/UPDATES/ADP/ (Website)
ADC
IPAddress: 88.198.255.183
Port: 80
Domain Name: www.chartworld.com
URL:
http://www.chartworld.com/Files/cb/ac-1-6-0/ac/ADC_Full.zip
e-Navigator
IP Address: 62.172.108.10
Port: 80 and 443
Domain Name: www.enavigator.ukho.gov.uk
URL:
https://enavigator.ukho.gov.uk
e-NPs
The following URL's / Ports and IPs below need to be whitelisted:
IP Address: 62.172.108.10 and 137.135.243.254
Port: 80 and 443
Domain Name: www.enavigator.ukho.gov.uk
URLs:
sectigo.com
https://enavigator.ukho.gov.uk
