Mobile vs residential proxies: how carrier IPs differ

Originally published on proxymint.

Mobile vs residential proxies compared: CGNAT and block risk, detection, speed, sessions, what drives traffic, and which workloads fit each type best.

TL;DR

• The difference is head count, not realness. A residential IP usually maps to one household on a fixed-line ISP. A mobile IP sits behind carrier-grade NAT, where many subscribers share one public address at the same time.
• Carrier IPs are costly to ban, not impossible to throttle. Platforms that recognize CGNAT avoid hard bans because real customers share the address, but Cloudflare found CGNAT IPs were rate limited three times more often than other IPs in research published October 2025.
• Both bill by traffic. On proxymint residential and mobile are usage-based per GB, as one-off packages with no renewal. Page weight, retries and what a blocked request downloads decide how much traffic a job uses.
• The job decides the type. Residential fits monitoring, SERP tracking and catalog work on home IPs. Mobile fits app-first workflows, mobile ad checks and targets that flag residential proxy exits, or any job where one failure costs a session or a rerun.

Key takeaways

• Residential fits monitoring and scraping. Price tracking, SERP collection and catalog work clear on home IPs, with city targeting from devices online now.
• Use mobile where the target expects a mobile origin. Where an app-first workflow, a mobile ad check or app QA depends on a carrier network, a home IP shows the wrong network path.
• Measure success per target. Run the same requests through both types, record success rate, bytes per success and bytes per failure, then weigh what each failure breaks downstream.
• Check the ASN of the exits you get. A whois lookup on a sample of exits shows the network behind each one: a carrier for most mobile exits, a fixed-line ISP for most residential ones.
• Pace carrier traffic like any other. A shared carrier IP buys tolerance from platforms that recognize it, but a per-IP rate limit still throttles it.

Read the full guide on proxymint, with the commands, tables and sources.