All ISPs / Greenlight Networks
Does Greenlight Networks use CGNAT?
Short answer: Yes. Greenlight Networks puts home customers behind CGNAT by default, according to customer reports (we found no official Greenlight Networks statement). Getting a public IPv4 costs extra. Static IP: Yes (on request). Customers report IPv6 works, but it isn't officially supported.
Can I self-host on Greenlight Networks?
| CGNAT by default? | Yes Confidence: Low: customer reports only; no official ISP statement found. Customer reports going back to 2016 say residential lines sit behind carrier-grade NAT, with no routable IPv4 on the router's WAN unless you buy a static IP. Greenlight's terms only say you get 'a dynamic IP address'.
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| Free opt-out? | Paid Buy a static IPv4 (customer reports: $10/mo). Greenlight's own blog explains how to request one from support.
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| Static IP | Yes (on request) Request it in the customer portal or from support. Greenlight's blog walks residential customers through adding one. If you need a static IP address, or additional static IP addresses, you may request one either in the Greenlight Networks Customer Portal or by contacting our customer support team
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| Static IP price | ~$10/mo Customer-reported price; Greenlight doesn't publish it.
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| IPv6 | Yes (unsupported) Customer reports: a dynamic public IPv6 prefix via DHCPv6 works, but support said in 2024 that Greenlight doesn't officially support IPv6.
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| Typical upload | Symmetrical: upload matches download (500 Mbps–8 Gig in Rochester).
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| Terms on running servers | Restricted Section 2.4 of Greenlight's service terms (residential and business). You may not use the Services to host any type of server.
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Source types: official the ISP's own page · official-forum ISP staff on the ISP's forum · community customer reports · secondary a third party quoting the ISP. "Unknown" means we haven't verified it, not that the answer is no.
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