PIA S5 Proxy
Massive per-IP SOCKS5 residential marketplace
$0.04/IP
from $0.04/IP /GB
- IP Pool
- 350M+ (claimed)
- Countries
- 200+
- Uptime
- 99.0%
- Avg. response
- 1.7s
- Free trial
- No
- Founded
- 2022
Our verdict
PIA S5 Proxy offers the most granular identity-shopping experience in the budget market: filter to a city or zip code, inspect the IP, bind it, and pay cents. For low-stakes multi-accounting, that control is genuinely useful.
The elephant in the room is provenance. Sourcing is opaque in a product category with a troubled history, IP lifespans are unpredictable, and the desktop-client model fights automation.
Useful with eyes open and stakes low; not a tool for compliance-sensitive or high-value work.
Speed test & performance
- Advertised inventory
- 350M+ (claimed)
- Model
- Per-IP S5
- Filtering
- City / ISP / zip
- Cost
- Cents per IP
Historical, not concurrent
Plus traffic plans
Hand-pick identities
Bulk packages
Pros & cons
Pros
- Per-IP purchase with granular filtering (city, ISP, zip)
- Enormous advertised IP inventory
- Very low per-IP cost
- Desktop client for browsing identities
- Traffic plans available alongside per-IP
Cons
- Minimal sourcing transparency
- IP quality and lifespan vary widely
- Desktop-client workflow hinders automation
- Unsuitable for compliance-sensitive use
Overview
PIA S5 Proxy (unrelated to the Private Internet Access VPN) is a per-IP SOCKS5 residential marketplace advertising one of the largest pools in the industry. Instead of buying bandwidth, you buy individual residential SOCKS5 IPs — a model popular in multi-accounting communities.
Network and coverage
The marketplace advertises 350M+ historical residential IPs across 200 locations, browsable and filterable by country, state, city, ISP, and even zip code through a desktop client. Billing is per IP or via traffic-based residential plans added more recently.
Who it is for
Multi-accounters and users who want to hand-pick identities: browse available IPs in a location, check their attributes, and pay only for the ones you bind. The granularity is unmatched at the price.
Trade-offs
Sourcing transparency is minimal — a serious consideration given the model's heritage (the niche was created by the FBI-seized 911 S5). IP quality and longevity vary widely, the desktop-client workflow is clunky for automation, and compliance-sensitive teams should steer clear.
Features & capabilities
Granular IP filtering
Filter available IPs by city, ISP, even zip code.
Pay-per-IP binding
Buy exactly the identities you need for cents each.
Desktop client
Browse, test, and bind IPs interactively.
Traffic-based plans
Conventional per-GB residential also available.
Automation-friendly API
The desktop-centric model fights headless workflows.
Documented sourcing
Provenance is opaque — the model's core risk.
Integrations & supported tools
Privacy & compliance
Frequently asked questions
No. Despite the name, it is an unrelated SOCKS5 residential proxy marketplace. The shared initials are a frequent source of confusion.
You browse available residential IPs in the desktop client, filter by country, state, city, ISP, or zip code, and pay a small fee per IP you bind. You use the IP until it goes offline.
Sourcing is not meaningfully documented. In a category whose largest predecessor (911 S5) was seized as a botnet, that opacity is the key risk to weigh before using the service.
Unpredictably — some stay online for days, others drop within hours. Budget accordingly and avoid binding anything critical to a single purchased IP.
Not really; the per-IP desktop model suits manual multi-accounting more than automated scraping. Its newer traffic-based plans exist, but conventional providers integrate far more cleanly.
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