The same IP address can be blocked in seconds — that is a basic defense of any platform. But with mobile proxies this trick barely works: banning a mobile IP hits not the offender but hundreds of law-abiding subscribers of the carrier. The reason lies in the architecture of mobile networks, primarily in NAT technology. Let's break down exactly how it turns a mobile IP into something "untouchable" for antifraud systems.

What NAT and CGNAT are in mobile networks

NAT (Network Address Translation) is the translation of network addresses. A carrier does not assign a separate public IPv4 to every smartphone: there physically aren't enough. Instead it uses CGNAT (Carrier-Grade NAT) — industrial-scale carrier NAT.

How it looks in practice

  • Thousands of subscribers receive private addresses (for example, from the 100.64.0.0/10 range).
  • The carrier's gateway translates them into a small pool of public IPv4 addresses.
  • For an external server, all that traffic arrives from one or two public addresses.

As a result, behind a single public IP there are really hundreds, often thousands, of different people: someone scrolling a feed, someone checking their bank, someone registering an account. From the server's point of view it is all "one IP."

Why an IP ban loses its meaning

An antifraud system sees suspicious activity and wants to block the source. On a regular hosting IP this is safe: one server sits behind the address. On a mobile IP it is not.

  • High collateral damage. Blocking a mobile IP cuts off hundreds of real carrier users. For the platform that is a loss of live audience — an unacceptable price.
  • The IP is constantly reused. Addresses in the carrier pool are dynamic: today one subscriber is behind it, tomorrow another. The ban "sticks" to random people and quickly becomes outdated.
  • Telecom ASN reputation is high. Mobile carrier ASNs represent legitimate consumer traffic, not a data center. Systems treat them more favorably from the start than hosting ASNs.

ASN: the main trust signal

Every IP belongs to an autonomous system (ASN). Antifraud first looks at whose ASN it is.

  • Hosting ASNs (clouds, data centers) have long been blacklisted: a legitimate end user almost never goes online from a data center.
  • Residential ASNs of home providers are more neutral, but their pools also accumulate in databases.
  • Mobile ASNs of carriers are the most "expensive" and trusted class: CGNAT and a real mass of subscribers stand behind them.

This is exactly why a mobile carrier IP has a low fraud score by default and passes checks that data-center addresses stumble on.

turbon.rent infrastructure: physical SIMs of real carriers

Resistance to bans is provided not by "emulation" but by real hardware. turbon.rent mobile proxies run on physical SIM cards of real mobile carriers installed in GoIP/Simpool gateways.

  • 17 countries of presence — choose geolocation for the task.
  • Real SIM cards — traffic is indistinguishable from an ordinary subscriber and passes through the same CGNAT.
  • IP change on demand via API — reconnecting to the carrier network yields a new public address from the pool.
  • SOCKS5 — a clean tunnel with no extra headers, correct DNS, leak protection.

Where even a mobile proxy won't save you

NAT shields the IP layer but does not cancel the rest of the analysis. A ban can arrive via other signals:

  • Browser fingerprint — repeating canvas/WebGL/fonts link profiles regardless of IP.
  • Behavioral patterns — machine speed, templated actions.
  • Leaks — open WebRTC or a DNS leak reveal the real address outside the tunnel.
  • Data links — one phone/email across dozens of accounts.

So a mobile proxy is a necessary but not the only condition. It must be paired with a correct antidetect profile and clean registration data.

Frequently asked questions

If the IP is shared, will I suffer from other people's bans?

The risk is minimal precisely because of CGNAT: platforms know that a mobile IP is shared and do not block it en masse. Besides, changing the IP via API gives a fresh address before an important session.

How is a mobile proxy better than a residential one against bans?

A residential IP usually has one home/router behind it, and platforms accumulate databases of such pools. A mobile one has CGNAT with thousands of subscribers and a highly trusted telecom ASN, so IP-based blocking is virtually never applied.

Does a mobile proxy guarantee no bans?

No. It closes the IP vector, but a ban is possible via fingerprint, behavior, or leaks. A mobile proxy removes the most common cause of blocking; the rest depends on correct environment setup.

Bottom line: NAT and CGNAT in mobile networks make IP-based blocking economically pointless for platforms — too many real people sit behind a single address. Use turbon.rent mobile proxies on physical SIMs of real carriers in 17 countries with IP rotation via API and SOCKS5, and for registering accounts on clean numbers use turbon.rent OTP activations.