Infrastructure

IPRoyal Rotating Residential IP Proxy in Python IPRoyal’s residential IP pool has 20M+ IPs—the trick is knowing how to use them. Sticky mode (30 min per IP) suits account login scenarios, while rotating mode (new IP per request) excels at web scraping, bulk registration, and anti-detection. This guide implements a complete rotating + retry solution in Python. Two modes explained Mode IP Switch Frequency Use Case Sticky Rotate every 10/30 minutes Account login, API calls, long-running quant sessions Rotating New IP on every request Web scraping, bulk registration, anti-detection IPRoyal’s dashboard lets you generate credentials for both modes. ...

Quant Proxy Chain: DMIT + IPRoyal + Claude Running Binance quant strategies is always at risk of “IP getting blocked”—suddenly your futures API returns 451 Unavailable. Cloud providers like AWS/GCP have their IP ranges blacklisted by most exchanges, and data center IPs get rate-limited pretty regularly. Here’s the stable proxy chain I built: DMIT Hong Kong VPS as a stable relay + IPRoyal residential IP as the final exit + Claude for monitoring and failover. ...

The biggest pitfall when buying VPS is the “one fits all” trap—thinking one server can handle everything, only to find your proxy’s too slow, your blog can’t scale traffic, and quant execution becomes unreliable. This post scores five typical use cases and tells you which provider to pick for each scenario. Scoring dimensions Dimension Meaning Latency Latency from mainland China (ms) Bandwidth Peak / average throughput IP quality Streaming unlock / ChatGPT approval rate Stability Downtime incidents and duration per year Price Monthly average cost Use case 1: Proxy node (VPN / circumvention) Requirements: Low latency, stable, good IP quality, enough bandwidth for home use. ...

Tello Mobile is an MVNO carrier (leveraging T-Mobile’s network) specializing in affordable US phone numbers + international roaming. It’s incredibly useful for cross-border business and AI account registration. This post documents my experience using Tello over the past 1.5 years. Why You Need a US Phone Number I use a US phone number most frequently in these scenarios: ...

America’s three most popular budget VPS providers—RackNerd, CloudCone, and BandwagonHost—are longtime favorites. I’ve used all three, and they each have a different sweet spot. This article breaks down the differences and gives you the decision framework to choose the right one. Basic positioning of all three Provider Annual Starting Typical Use Line Type RackNerd $10–20/year Ultra-budget, small sites / light proxying Standard BGP CloudCone $15–30/year Hourly billing, flexible testing Standard BGP BandwagonHost $50–170/year CN2 GIA line, primary proxy CN2 GIA / GT One-liner positioning: ...

Many people buy IPRoyal residential IPs and just get by, unsure how to monetize them. This article breaks down 5 proven real-world scenarios, walking you through the complete path from buying IPs to specific monetization strategies. For foundational background, see IPRoyal Residential IP Use Cases. This post focuses on concrete money-making scenarios. Why Residential IPs Make Money Core reason: Many internet services restrict data center IPs, but welcome residential IPs. ...

DMIT is my go-to VPS provider, with top-tier lines in Japan, Hong Kong, and Los Angeles. This article provides a complete comparison of the three lines and shows you which scenario each is best suited for. For the basic purchase flow, see DMIT VPS Purchasing Guide. This article focuses on how to choose between the three lines. Three Lines Overview Line Product Name Typical Monthly Line Type Hong Kong Eyeball PVM.HKG Eyeball $14.9-58.9 CMI (multi-ISP optimized) Tokyo, Japan PVM.TYO $16.9-58.9 SoftBank + NTT Los Angeles Premium, USA PVM.LAX Premium $12-48 CN2 GIA Los Angeles Economy, USA PVM.LAX Economy $6-20 Standard BGP Japan and Hong Kong pricing is comparable, but US Premium is 25% cheaper. ...

BandwagonHost is one of the longest-established VPS providers in China’s tech community. I’ve been using it continuously since 2022 and have renewed multiple times; my main plan is CN2 GIA-E. This article captures hands-on experience with choosing plans, data centers, swapping IPs, and migrations. What CN2 GIA actually is “CN2 GIA” stands for China Telecom’s Global Internet Access (China Next-generation Network 2 Global Internet Access), split into two tiers: ...

AkileCloud is a VPS provider that’s been getting a lot of traction in Chinese tech communities lately. It’s known for optimized CN2 routing to mainland China, with pricing between Bandwagon Host and standard BGP options. This review is based on three months of actual usage. Who is Akile? Akile is a VPS provider that emerged in recent years, serving the Chinese-speaking market with nodes in Hong Kong, US, Japan, and other regions. Their key focus is optimized routing to mainland China networks. Main selling points: ...

REALITY is a transport protocol introduced by Xray in 2023, solving a fundamental weakness of TLS proxies: your certificate is fake. Traditional VLESS+TLS setups require a domain name and Let’s Encrypt certificate, but the certificate itself becomes a fingerprint—with no real website behind it, the traffic pattern stands out immediately. REALITY’s approach is fundamentally different: directly borrow the TLS handshake of a real website. What the server presents to detection systems is the TLS certificate and handshake details of that actual website, indistinguishable from normal traffic. ...

When accessing Claude or ChatGPT through proxy nodes, you might run into these issues: CAPTCHA prompts repeatedly on login Your account flagged for “unusual activity” Certain features silently restricted API calls are unstable, occasionally returning 403 The root cause of these problems usually isn’t the proxy protocol itself, but rather the quality of the exit IP. IP Quality Categories Internet IP addresses fall into roughly three categories, each with different “trust levels”: ...

My node suddenly went offline, and my first thought was that the IP address had been blocked. However, there are different types of blocks, and each requires a different approach. Haphazard actions can waste a lot of time, so this article clarifies the troubleshooting and recovery process. Step One: Confirm if it’s Truly Blocked An unreachable node isn’t always due to an IP block. First, rule out other possibilities: ...