KnoxProxy sells IPv6 proxies from its datacenter network, routed through an IPv6-addressed exit instead of a traditional IPv4 address. Each /64 block carries 2^64 -- about 18.4 quintillion -- usable addresses, so exits stay cheap and effectively inexhaustible. From $0.40/GB, pay as you go, datacenter-only.
IPv6 proxies are the KnoxProxy datacenter pool, addressed over IPv6 instead of IPv4. They cost less per GB ($0.40 vs $0.60) because IPv6 address space is effectively unlimited, but they only reach targets that accept IPv6 connections -- about 40-45% of major sites in 2026. Default to IPv4 whenever a target's support is unconfirmed.
Success rate, response time, and country count are measured on the datacenter network IPv6 exits run on.
Volume tiers apply automatically -- no sales call required.
| Monthly usage | Rate /GB | Saving |
|---|---|---|
| Pay as you go | $0.40 | -- |
| 500 GB+ | $0.30 | -25% |
| 1 TB+ | $0.23 | -42% |
| 5 TB+ | $0.17 | -58% |
Comparing effective cost across providers first? See the price index.
Same gateway, same account -- only the exit address family changes.
| Network | Datacenter only |
| Addressing | IPv6 -- /64 blocks |
| Protocols | HTTP · HTTPS · SOCKS5 |
| Rotation | Per request, or static dedicated |
| Targeting | Country, state, city |
| Trust score | Low -- same as IPv4 datacenter |
| Auth | User:pass or IP allowlist |
Rotation and sessions work exactly like rotating datacenter proxies -- IPv6 only changes which address family the exit uses.
Need a fixed IPv6 address instead of rotating? See the dedicated IP program-- the same static-exit option this page's FAQ already describes.
Prefer SOCKS5 specifically? Read the SOCKS5 proxy guide, or compare SOCKS5 vs. HTTP proxies -- both protocols route IPv6 exits identically. New to the protocol? Start with what is SOCKS5.
Point your client at the datacenter gateway and add one header to request an IPv6 exit. Everything else -- auth, geo targeting, retries -- works exactly like standard datacenter proxies.
# US datacenter exit, IPv6 addressedcurl -x "http://USER:PASS@gw.knoxproxy.com:8000" \ -H "x-kx-country: us" -H "x-kx-family: ipv6" \ "https://www.google.com/search?q=knoxproxy"# -> 200 | 44 ms | datacenter-ipv6 | usIPv4 has about 4.3 billion addresses in total, and nearly all of them are already allocated. IPv6 uses 128-bit addresses, so a single /64 block -- the standard subnet a provider carves out per gateway -- holds 2^64 addresses on its own: about 18.4 quintillion, or roughly 4.3 billion times more than every IPv4 address combined. Regional registries hand out /48 and /64 blocks for a nominal fee, and that abundance is what keeps IPv6 priced at $0.40/GB instead of $0.60/GB for standard IPv4 datacenter.
One /64 block alone holds roughly 4.3 billion times more addresses than the entire IPv4 internet combined.
Same account, same gateway, either address family -- pick per target instead of by default.
Check compatibility before switching a target over: look for an AAAA DNS record, or send one test request through each address family and compare.
| Target | Fit | Why |
|---|---|---|
| Google Search & SERP | BEST | Full IPv6 support on Google properties -- rotate through a /64 block for a fraction of residential cost. |
| Social & video platforms | BEST | YouTube, Facebook, and Instagram are IPv6-ready at the platform level -- volume pricing applies cleanly. |
| Ad verification | GOOD | Works well once you confirm the ad network resolves over IPv6 -- check the AAAA record first. |
| Bulk QA & permissive APIs | GOOD | Same cost logic as IPv4 datacenter, cheaper still -- ideal for your own infrastructure checks. |
| E-commerce & retail | WEAK | Amazon-, Walmart-, and Target-style sites are largely IPv4-only or flag IPv6 subnets -- use IPv4 instead. |
IPv6 proxies pay off fastest on targets already confirmed IPv6-ready -- Google Search, YouTube, and most social and ad-verification platforms. Each use case below links to a full setup guide for pairing an IPv6-addressed exit with that specific job.
IPv6 exits run across the same 50-country datacenter footprint -- there is no separate location list to manage.
An IPv6 proxy routes your request through an IPv6-addressed exit instead of IPv4. On KnoxProxy it's the same datacenter network as standard datacenter proxies -- same gateway, same account, same billing model -- just addressed from IPv6 space, starting at $0.40/GB versus $0.60/GB for standard IPv4 datacenter exits.
Address scarcity drives IPv4 pricing. IPv4 has about 4.3 billion addresses in total and most are already allocated. IPv6 gives every /64 block 2^64 addresses -- around 18.4 quintillion -- so registries allocate them cheaply, and that savings passes straight through: $0.40/GB versus $0.60/GB for standard IPv4 datacenter.
Only if the target accepts IPv6 connections. As of 2026, roughly 40-45% of major websites fully support it -- Google, YouTube, and most large ad and social platforms do; most e-commerce sites like Amazon, Walmart, and Target still don't. Check for an AAAA DNS record before switching a target over.
Both, like standard datacenter. Rotate per request from the pool by default, or reserve a static dedicated exit when a workflow needs a consistent address. With quintillions of addresses per /64 block, rotating exits are never reused often enough to build the block-level history a scarce IPv4 range can.
Yes. HTTP, HTTPS, and SOCKS5 all work over the same credential pair as standard datacenter proxies -- SOCKS5 natively supports IPv6 addressing. Add the x-kx-family header to request an IPv6 exit, and every protocol on the gateway routes through it without a separate integration or account.
Lower. IPv6 exits carry the same trust profile as IPv4 datacenter -- fast and cheap, but datacenter-allocated blocks are easier for anti-bot systems to fingerprint than a real residential or mobile connection. Reach for residential or mobile when trust matters more than cost.
Yes. Your account isn't locked to one address family -- request an IPv6 exit for IPv6-ready targets and fall back to standard IPv4 datacenter, ISP, residential, or mobile for everything else, all on the same credentials. Check each target for an AAAA DNS record first to confirm it actually accepts IPv6 traffic.
A /64 IPv6 block -- the standard allocation for a single gateway -- contains 2^64 addresses, about 18.4 quintillion. A larger /48 IPv6 block holds 2^80, roughly 1.2 trillion times that. Either size is far more than any rotation schedule could exhaust.
Sign up free and select the datacenter network -- IPv6 proxies run on the same account and gateway as standard IPv4 datacenter exits. Add one header to request an IPv6-addressed exit, and billing starts at $0.40/GB, pay as you go, with no minimum spend or sales call required.
Yes. Reserve a static dedicated IPv6 exit through the same dedicated-IP program as IPv4 datacenter, and that address is assigned to your account alone -- no other customer shares it. A private, static IPv6 exit works exactly like a dedicated IPv4 datacenter IP, just addressed from IPv6 space instead.
Most proxy detection tools score an exit by block ownership and ASN, the same signal used for IPv4 datacenter ranges. KnoxProxy's IPv6 addresses share the same abuse-monitored network as IPv4 datacenter, so detection systems treat both address families at the same trust level -- lower than residential or mobile, but consistent.
Instant activation, 14-day money-back guarantee. Confirm AAAA support on your target list, then switch address families with one header.