Cool Ideas IP address & ASN guide
Cool Ideas is a fibre-focused ISP known for gamer-friendly routing. It operates its own network, AS37680, and connects customers over third-party fibre networks such as Vumatel, Openserve and Frogfoot.
What your IP says
- Your IP
- 216.73.217.116
- Network
- Anthropic, PBC (AS16509)
You don’t appear to be on Cool Ideas right now — your IP belongs to Anthropic, PBC.
Cool Ideas ASNs and IP ranges
- AS37680
- Cool Ideas Service Provider (Pty) Ltd · 25 IPv4 / 6 IPv6 prefixes originated
An ASN (autonomous system number) identifies a network on the internet. Any IP address announced by these ASNs belongs to Cool Ideas. Paste an address into the IP lookup to see which ASN it falls under.
CGNAT on Cool Ideas
Cool Ideas fibre customers typically receive a public IPv4 address rather than a CGNAT address, which makes port forwarding and hosting easier. Check your router: a WAN IP that matches the one on FernTool means you are not behind CGNAT.
To check: compare your router’s WAN address with the IP on FernTool. If they differ, or the WAN IP is in 100.64.0.0/10, you are behind CGNAT. More on CGNAT.
How to find your IP on Cool Ideas
- Public IP: open ferntool.com or run
curl https://www.ferntool.com. - Private IP and router address: see how to find your IP on Windows, Mac, iPhone and Android.
- IPv6: run the IPv6 test.
Good to know
Cool Ideas announces IPv6 prefixes; run the IPv6 test to see if it is enabled on your router.
Frequently asked questions
What is Cool Ideas’s ASN?
Cool Ideas announces its IP addresses from AS37680 (bgp.he.net, 16 October 2026).
Does Cool Ideas use CGNAT?
Cool Ideas fibre customers typically receive a public IPv4 address rather than a CGNAT address, which makes port forwarding and hosting easier. Check your router: a WAN IP that matches the one on FernTool means you are not behind CGNAT.
How do I find my Cool Ideas IP address?
Open www.ferntool.com on a device connected through Cool Ideas. The page shows your public IP, the network that owns it and its ASN. For your private IP, check your device’s Wi-Fi settings.
Why does my Cool Ideas IP show a different city?
IP geolocation is approximate. South African networks often register address blocks to a head office or a large city, so the city shown may not be where you are. The country and network are much more reliable.
Other South African networks
Vodacom · MTN · Telkom · Cell C · Rain · Afrihost · Vumatel · Openserve · Webafrica
ASN data from bgp.he.net and IPtoASN, checked 16 October 2026. FernTool is not affiliated with Cool Ideas.