All ISPs / Sparklight (Cable One)

Does Sparklight (Cable One) use CGNAT?

Cable / Fiber · Regional · last verified 2026-10-16

Short answer: Not verified yet. We haven't found a reliable source on whether Sparklight (Cable One) uses CGNAT. If you know, please submit a report.

Can I self-host on Sparklight (Cable One)?

CGNAT by default?Unknown

Not yet verified. Know the answer? Submit a report.

Free opt-out?Unknown

Not yet verified. Know the answer? Submit a report.

Static IPBusiness only

Static IPs are a Sparklight Business service and require a leased modem.

Static IP price$19.95/mo (1 IP), $29.95 (5), $49.95 (13), Business
IPv6Unknown

Not yet verified. Know the answer? Submit a report.

Typical uploadUnknown

sparklight.com rate-limited our requests (HTTP 429). Third-party summaries of Sparklight labels say 10–50 Mbps; not verified on Sparklight's site.

Terms on running serversUnknown

Not yet verified. Know the answer? Submit a report.

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.

Is something wrong or missing? Submit a report Check whether you're behind CGNAT