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Forum Discussion
Sempytender
Nov 09, 2021Guide
Internet Port IP Address not matching real Internet IP Address
Hello, I'm currently trying to solve a port forwarding issue with my Netgear Orbi (RBR750 is the reported model) and I've stumbled upon something weird: When I go into Internet Port settings, i...
- Nov 09, 2021
Your ISP appears to deploy CGN, Carrier Grade NAT (RFC6598: IANA-Reserved IPv4 Prefix for Shared Address Space) to overcome the shortage of public IPv4 addresses.
The NBN does only make up the transport layer, anything above is under the ISP responsibility.
Talk to your ISP, requesting a public routeable IPv4 address on your connection.
Regards,
-Kurt
schumaku
Nov 09, 2021Guru - Experienced User
Sempytender wrote:
Was able to opt out of the CGNAT by giving my valid reasons for needing a real IP address :)
Cool. For reference, which ISP, and any price tag attached to the service?
FURRYe38 wrote:
Your ISP Modem already has a built in router and wifi.
Nope. The IP address does talk a clear language - it's CGNAT.
Sempytender
Nov 09, 2021Guide
schumaku wrote:
Sempytender wrote:Was able to opt out of the CGNAT by giving my valid reasons for needing a real IP address :)
Cool. For reference, which ISP, and any price tag attached to the service?
FURRYe38 wrote:Your ISP Modem already has a built in router and wifi.
Nope. The IP address does talk a clear language - it's CGNAT.
It was Aussie Broadband - no price. They have specific reasons that you can validly opt out of the service. I just told the truth - I need to port forward to my NAS and remote into my computer. He told me, great, that's valid and it was all fixed in 5 minutes after I power cycled the connection box. A way around needing a valid reason would be to pay the $5 a month for a static IP. Seems steep to me. I would just say that you need to port forward to devices on your network.