Proxies

What Is a Mobile Proxy?

What Is a Mobile Proxy? — conceptual illustration
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A mobile proxy routes scraper requests through 4G or 5G mobile-carrier IP addresses — T-Mobile, Vodafone, O2, AT&T, and similar networks. Because mobile carriers use carrier-grade NAT, many real users share each public IP simultaneously. That shared use makes flagging individuals nearly impossible without false-positives, so anti-bots give mobile IPs the highest trust score of any proxy type.

Quick facts

SourceReal 4G/5G SIM cards on mobile carrier networks
Trust scoreHighest of any proxy type — carrier NAT shields individuals
Typical cost~$10–15/GB (premium vs ~$3–10/GB for residential)
Best forHard DataDome and PerimeterX targets, sneaker drops, social
Common providersBright Data Mobile, Smartproxy Mobile, IPRoyal, Soax

Why mobile IPs have the highest trust

Mobile carriers run carrier-grade NAT (CGNAT) — many subscribers share a single public IP at once. A site that blocks one mobile IP risks blocking dozens or hundreds of real users behind the same NAT, which is unacceptable for any consumer-facing product. Anti-bots like DataDome and PerimeterX therefore weight mobile IP reputation very high and very rarely flag them outright. Mobile IPs frequently get 200 OK on DataDome where the same fingerprint over residential gets 403.

How mobile proxy providers source IPs

The mainstream model: providers run racks of physical Android devices with real SIM cards, each on a real carrier contract. Each device is a node — your request enters the provider's API, gets routed to a device, sent out through the device's mobile data connection, and returned. Some providers offer "rotating mobile" (different device per request) and "sticky mobile" (same device for a fixed window).

Cost reflects the operational complexity: each device is a physical SIM with a real data plan. The 3–5× premium over residential covers the hardware, the carrier contracts, and the operational overhead.

When mobile is worth the cost

Use mobile when residential is borderline:

  • Hard DataDome customers (high-value e-commerce, ticketing) — IP weight dominates the score, mobile flips it.
  • PerimeterX-protected sneaker / streetwear sites — fingerprint reputation is harsh, mobile resets that.
  • Social platform scraping (Instagram, TikTok) — mobile-first audiences mean mobile IPs match expected user patterns.
  • Account creation workflows where datacenter and even residential IPs trigger phone-verification gates.

Avoid mobile for: unprotected public APIs (waste of budget), Akamai-protected sites with multi-request scoring (mobile rotations break _abck trust accumulation — use ISP static instead).

Code example

python
from curl_cffi import requests

# Hard DataDome / PerimeterX targets: mobile proxy + Chrome TLS
r = requests.get(
    "https://hard-target.com/api/listings",
    impersonate="chrome131",
    proxies={
        "https": "http://user:[email protected]:port"
    },
    timeout=30,
)
print(r.status_code, r.headers.get("x-datadome"))

Related terms

What Is a Residential Proxy?
A residential proxy routes your HTTP traffic through a real residential internet connection — a home broadband or fiber line — instead of th…
What Is a Rotating Proxy?
A rotating proxy is a proxy service that automatically assigns a different outbound IP address to each request, or to each new session, draw…
What Is Proxy Web Scraping?
Proxy web scraping is the practice of routing scraper traffic through proxy servers — intermediate machines that forward requests on your be…
What Is DataDome?
DataDome is a bot-protection vendor used on roughly 1,200 enterprise sites, scoring more than 5 trillion signals per day. Unlike Cloudflare …
What Is a Datacenter Proxy?
A datacenter proxy is an IP hosted in a commercial cloud or hosting facility — AWS, GCP, Azure, DigitalOcean, OVH, Hetzner. Cheap (~$0.50–$1…
What Is Residential Proxy Detection?
Residential proxy detection is the set of techniques anti-bot systems use to flag traffic that is being routed through a residential proxy p…

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Frequently asked questions

Why are mobile proxies more expensive than residential?

Each mobile IP comes from a real device with a real SIM on a real carrier data plan. The provider operates physical hardware (racks of Android devices), pays carrier contracts, and absorbs replacement costs when SIMs get throttled or banned. Residential proxies, by contrast, are sourced from peer-to-peer networks where end users opt in for compensation — much lower marginal cost per IP.

Do mobile proxies rotate automatically?

Most providers offer both rotating (a fresh device IP per request) and sticky (same device for a configurable window, typically 10–60 minutes). Sticky is essential for any session-based workflow — login, cart, checkout — where mid-session rotation would invalidate cookies.

Can mobile proxies be detected?

They can be identified as mobile by ASN lookup, but identification is not flagging. Anti-bots see "T-Mobile US mobile network" and assign high trust, not suspicion. Detection only becomes a problem if the same mobile IP serves obviously machine-like traffic patterns, in which case the IP itself gets a temporary score reduction.

Are 4G and 5G proxies different?

Functionally identical — both are mobile carrier IPs from the perspective of the destination site. 5G coverage is still spotty in many regions, so most "mobile proxy" pools today are predominantly 4G. The destination cannot tell the difference because the IP is just a carrier IP either way.

Last updated: 2026-05-26