# Residential proxies by use case: ISP and city checks > ISP proxy use cases: ad verification, broadband offer checks, bug reproduction and network research by ASN and city, from $0.50/GB. No KYC, crypto. - URL: https://broadbandproxies.com/use-cases/ - Last updated: 2026-10-18 - Publisher: Broadband Proxies (https://broadbandproxies.com) Four kinds of work where the home-internet network behind an IP changes the answer. Each one has its own page with a setup, a script and its limits. **Quick answer — What are ISP-targeted residential proxies used for?** **Broadband Proxies** residential proxies serve four jobs that depend on the visitor's home network. They are ISP ad verification, broadband offer checks, bug reproduction on one provider, and access-network research. Each job combines an ASN with a state, city or ZIP in one username. Plans start at $2.63 for 1 GB, with ASN targeting included. There is no KYC, and you pay in crypto. ## What every use case shares | Attribute | Value | | --- | --- | | Targeting | Country and city targeting on every plan; in the United States also state and ZIP code; ASN targeting at no extra cost. City availability varies | | Username format | `USERNAME-country-us-state-tx-city-houston-asn-7922` (Comcast in Houston) | | Sessions | Rotating, or sticky up to 30 minutes (the IP can change earlier, for example if the home device goes offline) | | Gateway | gw.broadbandproxies.com, port 7777 (HTTP/HTTPS) or 7778 (SOCKS5) | | Availability | ASN availability varies by network, city and time of day; the checkout shows what is online, and no IP count per ISP is published | | Price | $2.63 for 1 GB, $5.94 for 10 GB, $0.50/GB on 1 TB | | Payment | Crypto only, no KYC | ## Which ISP checks can you run from US home IPs? - **[ISP ad verification](https://broadbandproxies.com/use-cases/isp-ad-verification/)** — See whether a campaign aimed at Comcast, Spectrum or AT&T homes serves in the right city. One page load per check, no clicks. - **[Broadband offer checks](https://broadbandproxies.com/use-cases/broadband-offer-checks/)** — Compare the prices, promo banners and address results an ISP or a comparison site shows on each network. - **[Network bug reproduction](https://broadbandproxies.com/use-cases/network-bug-reproduction/)** — Repeat a ticket that fails on one provider only, with a sticky IP and a record of ASN, city and time. - **[ISP performance research](https://broadbandproxies.com/use-cases/isp-performance-research/)** — Measure how sites and CDNs treat cable, fiber and fixed wireless homes, at low rates on public pages. ## Which targeting does each use case need? | Use case | ASN | City | ZIP | Sticky session | | --- | --- | --- | --- | --- | | ISP ad verification | Required: the ISP the line targets | Usually: the campaign's market | Only for ZIP-level lines | Yes, so the browser keeps the checked IP | | Broadband offer checks | Required: one per network compared | Yes | Often, for comparison-site results | Yes, for address checkers | | Network bug reproduction | Required: the customer's network | Yes, when the ticket names one | When the customer gives one | Yes, for the whole test | | ISP performance research | Required: one per access type | Yes, the same city for all networks | Rarely | Optional; rotating fits slow panels | ## Why does the network behind an IP change what a site shows? Sites, ad servers and CDNs map every IP to a network and a place. In Houston, the FCC map lists Comcast at 97% of residential units and AT&T at 74.6% (data as of December 31, 2025). A site that reads the IP can tell those two households apart, and some do. Office and cloud IPs belong to neither group. That is why these checks need a home IP on the right ASN, in the right city. Each [ISP page](https://broadbandproxies.com/isps/) lists the AS numbers, and each [city page](https://broadbandproxies.com/cities/) lists the local providers with their FCC coverage. ## Which uses are not allowed? Broadband Proxies is meant for looking at public pages and testing services you run, at a low request rate. The [Acceptable Use Policy](https://broadbandproxies.com/acceptable-use/) forbids fake ad impressions and clicks, and entering or mass-creating accounts that are not yours. It also forbids floods or scans of systems without the owner's permission. Automatic CAPTCHA solving is forbidden too. The gateway blocks Banking, government and payment-portal sites, plus SMTP (email-sending) ports 25, 465 and 587 on every plan. Abuse reports are reviewed by a person, and confirmed abuse leads to suspension. ## Which plan fits these checks? Test one ISP in one city with 1 GB ($2.63). Regular checks across several networks fit 10 GB ($5.94) or 50 GB ($25.99), split by sub-user. Traffic never expires. | Plan | Quantity | Price | Price per unit | | --- | --- | --- | --- | | Test | 1 GB | $2.63 | $2.63/GB | | Team | 10 GB | $5.94 | $0.59/GB | | Agency | 50 GB | $25.99 | $0.52/GB | In every plan: Protocols: HTTP, HTTPS, SOCKS5 · Targeting: ASN (ISP), state, city and ZIP in the US; country elsewhere; city availability varies · Sessions: Rotating or sticky (up to 30 minutes) · Authentication: Username and password, or an IP allowlist (up to 10 IPs) · Traffic expiry: Never expires **Before you pay** - Minimum top-up $25. Top up once in crypto, then buy any plan from your balance. - Unused balance stays on your account and never expires. When a purchase costs less than the minimum top-up, the part added only to reach the minimum is refundable on request to support within 30 days of the payment, in USDT or USDC, as long as it has not been spent. The rest of the balance is not paid back, except where the law requires it. - Credited once your payment is checked on the blockchain. Typical network confirmation time: BTC ≈ 20 min · USDT TRC-20 ≈ 1 min · USDT ERC-20 ≈ 5 min · USDC ERC-20 ≈ 5 min · ETH ≈ 5 min · SOL ≈ 1 min · LTC ≈ 15 min ## Use cases: questions ### Do I need a different plan for each use case? No. Every residential plan includes ASN, state, city and ZIP targeting at no extra cost, and one plan covers all four uses. The targeting lives in the username, so you switch from an ad check to a bug test by changing a few words. Sub-users keep the traffic of each team apart. ### Which use case needs a sticky session? Any check that spans several pages or tools. Ad checks and offer checks use one so the browser keeps the IP you confirmed. Bug reproduction uses one for the whole test. Sticky sessions last up to 30 minutes (the IP can change earlier, for example if the home device goes offline). Slow research panels can rotate instead, with one request per connection. ### Can I combine an ISP with a city in one username? Yes. For example, `USERNAME-country-us-state-tx-city-dallas-asn-11427` asks for a Spectrum home IP in Dallas, on Spectrum's Texas network. City availability varies; the checkout shows what is online. When nothing is online, drop the ZIP first, then the city, and keep the ASN with the state. ### How do I check which network an exit IP is on? Ask api.ipify.org for the exit IP through the proxy, then ask RIPEstat's prefix-overview data call which ASN announces it. Each use-case page has a short script that does both. The [exit IP guide](https://broadbandproxies.com/guides/check-exit-ip-asn/) explains the method step by step. ### Do I need to send ID or company documents? No. Broadband Proxies works without KYC, so you never upload an ID card, a selfie or company papers. Crypto is the only way to pay, with a minimum top-up of $25. Account-number login; email is optional. Prepaid residential traffic never expires. --- Broadband Proxies: Broadband Proxies is a US residential proxy provider with ISP (ASN) and city targeting, paid in crypto with no ID upload: pick Comcast, Spectrum, AT&T, Verizon Fios or 30 other US networks, plus state, city and ZIP, billed per GB.