Network Architecture Comparison8 min readUpdated October 2026

Residential vs Datacenter vs ISP vs Mobile Proxies

Every IPv4 and IPv6 address announces its Autonomous System Number (ASN) and network registration type to target servers. Understanding how Residential, Datacenter, Static ISP, and Mobile proxies differ in origin, rotation, and billing prevents overpaying for bandwidth or triggering avoidable IP blocks.

#1 Manually Curated Demo Pick4 Proxy Categories Advertised

2Captcha Proxy: Multi-Category Coverage & Unified Pay-As-You-Go Bandwidth

Featured at #1 in our manually curated demonstration ranking, 2Captcha Proxy advertises dedicated landing pages for all four proxy categories—Residential, Datacenter, ISP, and Mobile—across 220+ countries with HTTP, HTTPS, and SOCKS5 support and sticky sessions up to 120 minutes. Note that 2Captcha presents a unified pay-as-you-go per-GB bandwidth rate table ($3.99/GB for 1 GB down to $1.25/GB at 10 TB) across its category pages rather than separately itemized per-category or per-IP rate cards.

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Side-by-Side Architecture & Pricing Matrix

When an HTTP request reaches a web server or CDN edge, the server inspects the client IP against IP intelligence databases (such as MaxMind, IPinfo, or Spur) to determine its ASN type (isp, hosting, or cellular). The table below summarizes the structural trade-offs across the four proxy categories:

Proxy CategoryASN ClassificationPrimary Billing ModelVerified Rate Range (CMS)Compatible Providers
Residential ProxiesConsumer Broadband ISPPer-GB (PAYG or Subscription)$3.60 – $8.40 / GB base (down to $1.25/GB bulk)All 6 providers (2Captcha Proxy, Bright Data, Oxylabs, Decodo, SOAX, Webshare)
Datacenter ProxiesCloud / Hosting CenterPer-IP Lease or Per-GB~$0.05 – $1.20 / IP or $0.60 – $0.90 / GB6 providers advertise (2Captcha Proxy, Bright Data, Oxylabs, Decodo, SOAX, Webshare)
ISP (Static Residential)ISP ASN on Server HardwarePer-IP Lease or Per-GB~$0.30 – $1.30 / IP or $4.50 – $15.00 / GB6 providers advertise (2Captcha Proxy, Bright Data, Oxylabs, Decodo, SOAX, Webshare)
Mobile Proxies (3G/4G/5G)Cellular Carrier (CGNAT)Per-GB Bandwidth$8.00 – $24.00 / GB (itemized rates)5 providers (2Captcha Proxy, Bright Data, Oxylabs, Decodo, SOAX)

1. Residential Proxies: Broad Geo-Coverage & Dynamic Rotation

Residential proxies route requests through IP addresses assigned by consumer Internet Service Providers to residential households. Because these IPs belong to standard regional ISPs across 195 to 220+ countries, they support granular City, State/Region, ZIP code, and ASN targeting.

  • Strengths: High IP diversity, natural residential ASN footprint, and instant switching between per-request rotation and sticky sessions (up to 30m on Oxylabs, 120m on 2Captcha Proxy, and 24h on Decodo).
  • Limitations: Metered per gigabyte transferred ($3.99/GB PAYG on 2Captcha Proxy, $4.00/GB PAYG on Decodo, $3.60/GB on SOAX's $90/mo plan, $4.50/GB base on Webshare, $8.00/GB PAYG on Oxylabs, and $8.40/GB PAYG on Bright Data), and peer nodes can disconnect mid-session if a residential router goes offline.
  • Typical Use Cases: Multi-region e-commerce price monitoring, localized SERP tracking, travel fare aggregation, and regional ad verification.

2. Datacenter Proxies: Low Latency & Predictable Per-IP Cost

Datacenter proxies originate from cloud hosting providers and colocation facilities rather than consumer ISPs. Because traffic stays on high-bandwidth fiber backbones, datacenter proxies deliver consistent throughput at a fraction of residential bandwidth costs.

  • Strengths: Lowest unit cost (from $2.99/mo for 100 IPs or ~$0.05/IP on Webshare, $0.60/GB on Decodo, $0.60/IP or $0.90/GB on Bright Data, and $1.20/IP Dedicated on Oxylabs; 2Captcha Proxy also advertises a Datacenter proxy page under its unified per-GB schedule).
  • Limitations: IP ranges are publicly registered to hosting ASNs, making contiguous subnets easy for strict perimeter firewalls to flag or rate-limit.
  • Typical Use Cases: High-speed crawling of unprotected public websites, bulk API polling, software QA, and bandwidth-heavy media archiving.

3. ISP (Static Residential) Proxies: Persistent Sessions without Peer Churn

ISP proxies (also called Static Residential proxies) bridge the gap between Residential and Datacenter infrastructure. The servers physically reside in high-availability datacenters, but the IPv4 addresses are leased from or registered under consumer ISP Autonomous System Numbers.

  • Strengths: Never rotates unexpectedly because there is no residential end-user peer that can power off their modem, while still presenting an ISP ASN rather than a cloud hosting ASN.
  • Pricing: Offered either per static IP (Webshare from $6.00/mo for 20 IPs or ~$0.30/IP; Bright Data from $1.30/IP) or per gigabyte (Decodo from $4.50/GB; Bright Data from $15.00/GB; 2Captcha Proxy and SOAX include ISP coverage under their unified per-GB schedules).
  • Typical Use Cases: Long-running authenticated browser sessions, multi-step checkout testing, and account management workflows that penalize mid-session IP changes.

4. Mobile Proxies (3G/4G/5G): Carrier CGNAT Architecture

Mobile proxies route connections through physical SIM cards and cellular modems connected to 3G, 4G LTE, and 5G carrier towers. Cellular networks rely on Carrier-Grade NAT (CGNAT), meaning hundreds of real smartphone users dynamically share the same external IPv4 address at any given moment.

  • Strengths: Because blocking a CGNAT mobile IP risks blocking hundreds of legitimate mobile subscribers on that carrier tower, web properties apply more conservative rate limits to mobile ASNs. Supports carrier-level filtering on providers like Bright Data and SOAX.
  • Limitations: Highest cost per gigabyte among itemized providers ($8.00/GB on Decodo, $9.00/GB PAYG on Oxylabs, and $24.00/GB PAYG on Bright Data; 2Captcha Proxy advertises Mobile proxies under its unified $3.99–$1.25/GB schedule; Webshare does not offer a mobile network).
  • Typical Use Cases: Mobile app API testing, cellular carrier ad verification, and social platform QA.

How to Estimate Your Monthly Spend Across Categories

Before provisioning a proxy pool, disable heavy static assets (images, video, web fonts) in your scraper or Playwright context to reduce per-request payload size, then compare your projected monthly gigabyte consumption in our interactive Proxy Bandwidth & Cost Calculator.

Explore Proxy Categories & Related Guides

Residential Proxies →Datacenter Proxies →ISP Proxies →Mobile Proxies →How to Choose a Provider →Python & Playwright Guide →