If all you see when you open Claude is “not available in your region”, don't rush to swap accounts. Region checks happen server-side and hinge mainly on which IP the request comes from; go the wrong way and ten new accounts will give you the same result. What follows goes in order — identify the failure type, read the signals, then choose a route — and every step can be applied directly.
110+
Country and regional exits, switch exit location by region
250+
Available routes, including dedicated lines, relays and direct connections
30 days
No-questions-asked refund, available within the trial period
First, tell apart the three failures: region checks, account status and link quality
The same “it doesn't work” can have three very different causes, and each needs a different fix. Sorting the symptom first saves most of the wasted effort.
- Region check. The page shows an unavailable notice outright, or redirects to an explanatory message, and recovers once you switch to a different exit location. The problem lies in the country the exit IP is registered to.
- Account status. You can sign in, but the chat entry point is restricted, or you're told the account is suspended and needs an appeal. Changing routes or devices changes nothing — the fix is on the account side, not the network side.
- Link quality. The page loads and sign-in works, but replies stop halfway, requests time out, attachments won't upload, or the human check keeps reappearing. This comes from packet loss and jitter on the cross-border segment, plus the reputation of the exit IP.
Only the last two of the three relate to route choice, and they pull in opposite directions: one needs a cleaner exit, the other needs a steadier link. Treat them as the same problem and you get the familiar “every switch makes it worse” spiral.
Region checks: exit IP, account region and request path
Claude's supported regions follow the official list published by Anthropic, which this article won't repeat. What matters is understanding which signals it uses to decide where you are.
The exit IP's country is the main signal
The server sees which IP a request arrives from and maps that address to a country and region through an IP database. What decides the outcome is where the exit node sits — not where your device is, and not your browser language. On the same computer, a Japan route and a US route look like two visitors from two different regions to the server.
Account region consistency decides whether you get extra verification
The region you signed up in, the region your payment method belongs to, and where you usually sign in form a timeline on the account side. An occasional change of exit IP won't cause trouble right away, but Tokyo today, Frankfurt tomorrow and Los Angeles the day after shows up as a login location that keeps jumping, and extra verification and risk checks follow. For long-term use, keep one or two exit regions fixed.
Cloudflare on the request path can block you too
Claude sits behind Cloudflare. Heavily reused data-centre IP ranges and addresses with a history of abuse can be rated low-trust even when the region is right: the symptoms are repeated human checks, 403s, or a page that stalls halfway. Changing region won't help here — what needs changing is how clean the IP is.
Changing your browser language, changing your system time zone or clearing cookies will not turn an exit outside the supported list into a supported one. The only things you can change are the exit IP's country and reputation, and the consistency of the account-side details.
Common error quick reference: read the message first, then change the route
The table below runs from “what the page says” to “the more likely cause” to “what to do”. Wording shifts between versions, so judge by the type of message rather than matching it word for word.
| Message / symptom | More likely cause | What to do |
|---|---|---|
| Region not available message | Exit IP falls outside the supported list | Switch to a route with the correct exit region, keep it fixed and reopen a private window |
| Human check keeps appearing and won't pass | Exit IP has low reputation and heavy reuse | Move to a dedicated line or a good relay exit with less reuse |
| 403 / Access denied | Blocked by a Cloudflare rule, or static asset domains leaking to a direct connection | Complete the split-tunnel rules first, then change the exit |
| Reply stops halfway, or no response for a long time | Long-lived streaming connection reset, packet loss on the cross-border segment | Switch to a low-loss dedicated line or relay; avoid direct public-internet connections at peak hours |
| Account suspended / appeal required | An account-level action, unrelated to the route | Appeal through official channels; changing routes won't fix it |
| Blank page, while other sites work fine | DNS resolution failure, or rules not covering the relevant domains | Send DNS through the tunnel and complete the proxy rules |
Choosing a route: direct, relay and dedicated line compared
Cross-border routes fall into roughly three types depending on how the cross-border segment is carried. What separates them isn't the headline bandwidth but packet loss and jitter.
| Type | Cross-border segment | Stability | Best for |
|---|---|---|---|
| Direct | The client connects straight to the exit node; the cross-border segment runs over the public internet | Noticeable swings at peak hours; packet loss rises with congestion | Light web browsing, quick lookups |
| Relay | Connect to a nearby entry point first, then cross the border over an optimised link | Steadier than direct; experience depends on entry quality | Everyday chat, document work |
| IEPL dedicated line | The cross-border segment runs on a Layer 2 dedicated line, not shared with public congestion | Low jitter and packet loss; long connections rarely drop | Long chats, streaming output, attachment uploads |
Claude's traffic profile is clear: small request bodies, streaming responses, and a session that can run from tens of seconds to several minutes on a single connection that must not break. Traffic like this asks almost nothing of peak bandwidth and is extremely sensitive to packet loss and jitter — one lost packet on the cross-border segment shows up as a stalled reply, a spinner, then a retry.
So when choosing an exit from 250+ routes, the order is: pick the region first, then a dedicated IEPL line or a stable relay in that same region, and only then compare price. Doing it the other way round — cheap route first, region later — usually means repeated trouble at peak hours.
Switching five or six exit regions a day to “see which is fastest” shows up on the account side as a login location that keeps jumping, which makes extra verification more likely. Pick one route, use it for several days, then judge — that works far better than changing region every time something goes wrong.
Choosing an exit region: keep the exit fixed by use case
Supported regions follow the official list; this section only covers how to choose well within that range. Two criteria: the length of the cross-border segment, and how well it matches your account region.
| Region | Cross-border segment | Best for |
|---|---|---|
| Japan | Short distance, short cross-border segment | Daytime chats and document work |
| United States | Long cross-border segment; route quality varies widely | When you need to match your account region |
| Singapore | Southeast Asian hub with plenty of relay capacity | Stable long-term everyday use |
| Germany | Europe-bound, longer cross-border segment | When working with European partners |
| United Kingdom | Europe-bound, longer cross-border segment | Pick the closest match to your account region |
One account on one exit, with the region matching the account region, is the least troublesome setup. Devices aren't limited, but when the same account starts long chats on several devices at once, keep them on the same exit — don't have one on Tokyo and another on Los Angeles.
Client settings: split-tunnel rules and DNS leaks
Once the route is right, what's left is getting traffic into the tunnel accurately. The two most common mistakes: split-tunnel rules missing a domain, and DNS queries not following the tunnel.
Split-tunnel rules: domain-first
Write claude.ai and anthropic.com explicitly into the proxy rules, then add the static asset domains they depend on. While troubleshooting, switch to global mode first to confirm the route itself works, then switch back to rule mode and narrow it down step by step — that way you can tell a route problem from a rule problem.
DNS: make resolution follow the tunnel
If DNS queries still go to your local ISP, two things happen: the queries leak outside the tunnel, and the answers may point to CDN nodes chosen for your local position rather than for the exit region. The symptom is a page that opens but loads assets slowly, or a flat 403. Checking is simple: open any DNS leak test page and see whether the resolving server's location matches your exit region; if it shows your local ISP, DNS isn't going through the proxy.
Protocol differences and importing a subscription
The subscription link is how the client pulls the node list; the address carries a token and is effectively a credential, so don't post it in public channels. On protocols: Shadowsocks is lightweight with so-so UDP support; VMess is sensitive to device time, and a large clock skew causes handshake failures; Trojan and VLESS run over TLS, so their ports look like ordinary HTTPS traffic; Hysteria2 and TUIC are QUIC-based and handle loss well on poor networks, but they're sensitive to UDP quality and can underperform TCP-based protocols when cross-border UDP is rate-limited. Clients vary by system: desktop can use a system proxy or TUN, mobile builds a tunnel through the system VPN permission, and Linux mostly runs command-line clients with TUN.
- ✅ Open it in a private window to rule out old cookies and cache
- ✅ Fix one exit route and use it for several days before judging stability
- ✅ Write claude.ai and anthropic.com explicitly into the proxy rules
- ✅ Use a DNS leak test page to confirm resolution follows the exit
- ❌ Don't switch exit regions repeatedly within the same session
- ❌ Don't keep signing the same account in through a heavily reused shared exit
Conclusion: one fixed exit plus a low-loss route
Identify the type first, then touch the route. A region message means change the exit; a human check means change to an exit with better reputation; a broken stream means change to a low-loss route; an account message means appeal. Point the Claude domains at one IEPL dedicated line or a stable relay, use it for several days, then reassess — far less hassle than changing region every time something goes wrong.
Follow the order above and most cases of “Claude won't work” can be traced to a cause in two or three steps. This service covers 110+ countries and 250+ routes; monthly plans start at ¥9.9/month with 60GB, one subscription covers unlimited devices, with a 30-day no-questions-asked refund; data packs last until used up and never expire, which suits irregular usage.