What is an ISP proxy? Static residential IPs, explained without the sales pitch

What is an ISP proxy? It is a static IP address registered to a consumer internet provider but hosted on server hardware in a data centre. Targets and IP databases see a residential carrier's name, so the address is treated like a home connection, while you get a server's speed and an address that never changes underneath you. The same product is sold as a static residential proxy; the two names mean one thing.

That combination is why ISP proxies are the usual answer for accounts, long sessions and anything that allowlists your IP. It is also why they cost more per IP than datacenter addresses and are a poor fit for wide crawling. Both sides are below.

#What is an ISP proxy, and how does it work

Two facts about an IP address are independent of each other:

• Who it is registered to. Every address block is recorded by a regional registry against a holder, and announced to the internet by an autonomous system (AS). IP intelligence services read those records and classify the network: consumer ISP, hosting, business, education.
• Where the hardware sits. The machine answering on that address can be a phone on home Wi-Fi, a rack server in Frankfurt, or anything in between.

A residential proxy has both on the consumer side: consumer registration, consumer device. A datacenter proxy has both on the server side. An ISP proxy splits them. The block is registered to, and typically announced by, a consumer carrier, and the provider runs servers on that block in a data centre with a proper uplink.

The result for a target: the ASN lookup says "consumer carrier", the connection is fast and steady, and the same address comes back tomorrow.

#Why ISP registration matters: ASN reputation and a stable IP

#ASN reputation

Bot protection scores the network before it scores you. Hosting ASNs such as AWS (AS16509) start with a poor score on protected sites, because that is where most automated traffic comes from. Consumer ASNs such as Comcast (AS7922) start with a good one, because most of their traffic is people. An ISP proxy inherits the consumer score. It does not inherit a clean history automatically: an address that you, or a previous holder, used badly carries that record.

#A stable IP

Residential exits rotate and can disappear when the device behind them goes offline. An ISP proxy is yours for the term. That stability is what lets you:

• keep one login location per account, so the platform stops asking you to verify it,
• run a session for hours without the connection moving,
• hand the address to a partner who allowlists it on their firewall or API.

#ISP proxy vs residential proxy vs datacenter proxy

The full comparison, including detection, pricing models and when not to use each, is in residential vs ISP vs datacenter proxies.

#Dedicated vs shared ISP proxies

A dedicated ISP proxy carries only your traffic. Nobody else's behaviour affects its reputation, and at ProxyHive a dedicated IP has unmetered traffic. It is what most static-IP work needs, because the point of a static address is that its history is yours.

A shared ISP proxy is used by a small number of customers at once, usually with a traffic allowance. It is cheaper per IP and fine for jobs where another customer's traffic on the same address does no harm, such as reading public prices. It is a poor fit for accounts, because a platform sees every account on that address as related. ProxyHive lists its shared plan, with how many customers share each IP and the included traffic, on the ISP pricing page.

Where a competitor is better for sharing, we say so: Oxylabs lists shared ISP IPs at $1.60/IP for 10 IPs, shared with up to 3 users, as listed on their pricing page on 2026-09-29. If sharing suits your job and you need ten, that is a good price.

#Carrier naming: why the provider's name should be on the label

Some vendors sell "ISP proxies" without telling you which ISP. That matters more than it sounds:

• Consistency. An account that always logs in from one named carrier in one city looks like a person. One that moves between carriers does not.
• Local checks. Ad verification and price checks are about what a customer on a particular network sees.
• Verification. If the vendor names the carrier, you can check the ASN yourself and see whether it matches. If it does not, you have learned something useful before the term runs out.

At ProxyHive you choose the carrier by name at checkout, together with country, region and city, and it is shown on the order before you pay.

#What ISP proxies are good for

• Accounts you own. One fixed address per account, on a consumer network, where the platform permits several accounts.
• Long sessions. Dashboards, admin panels and multi-step workflows that break when the IP moves.
• Allowlisted access. Partner APIs, B2B portals and SFTP servers that only accept listed addresses.
• Location-specific checks. Price monitoring, SERP tracking and ad verification from a named carrier in a chosen city.
• A handful of static IPs. If you need three addresses, you should be able to buy three, not a pack of fifty.

Each of these still has to fit the allowed-use policy, which lists what is allowed and what needs a conversation first.

#Limits of ISP proxies

Honest limits, in the order they tend to bite:

1. One address is one identity. Everything you send through it builds its history. Hammer a target and you burn the address for the rest of the term.
2. Static means rate limits add up. Per-IP limits on the target apply to all your traffic through that IP. Wide crawling needs many exits, which is residential's job.
3. Stock is finite. Carrier and city availability changes, and the order form offers what exists that day.
4. It is still a server. Sophisticated detection can look at signals beyond the ASN, such as network latency patterns or TCP fingerprints that differ between servers and home routers. Most targets do not go that far, but some do.
5. It costs more than datacenter. If the target accepts datacenter traffic, an ISP IP is reputation you are paying for and not using.

#How to check an IP's ASN yourself

You do not have to take any vendor's word for what an address is. A few public lookups tell you, ours included.

#1. Find the exit IP through the proxy

Copy the host, port, username and password from the order in your dashboard at app.proxyhive.io, then ask an IP echo service what it sees:

curl -s -x "http://USERNAME:PASSWORD@HOST:PORT" https://api.ipify.org

#2. Look up the ASN and organisation

ipinfo returns the ASN and the holder's name as one line, without an account:

curl -s https://ipinfo.io/203.0.113.10/org

Replace 203.0.113.10 with the address from step 1. A consumer carrier comes back looking like AS7922 Comcast Cable Communications, LLC. A cloud host looks like AS16509 Amazon.com, Inc..

#3. Cross-check with Team Cymru

Team Cymru's IP-to-ASN service answers over whois and DNS. With whois installed:

whois -h whois.cymru.com " -v 203.0.113.10"

Or over DNS, which needs only dig. The address goes in with its octets reversed:

IP=203.0.113.10
REV=$(echo "$IP" | awk -F. '{print $4"."$3"."$2"."$1}')
dig +short TXT "$REV.origin.asn.cymru.com"

The answer gives the ASN, the announced prefix, the country and the registry. Look the ASN up by name with dig +short TXT AS7922.asn.cymru.com.

#4. Read the result

• The ASN belongs to the carrier the vendor named. That is what you paid for.
• The ASN is a hosting company. It is a datacenter address, whatever the product page called it.
• The carrier is right but the country is not. Registry country and geolocation can differ; check where the target thinks you are with a local site before you rely on it.

#Buying an ISP proxy at ProxyHive

ProxyHive ISP proxies are sold from one IP at $3.20/IP a month, falling to $1.50/IP per IP at volume, and longer terms cost less per month. You order by country, region, city and carrier, and the address appears in the dashboard when payment clears. Each IP is its own endpoint with its own HTTP, HTTPS and SOCKS5 ports; HTTP vs SOCKS5 explains which to pick. Authenticate with username and password, or switch the order to an IP allowlist.

For comparison, Decodo's smallest dedicated ISP plan is 3 IPs at $3.33/IP, as listed on their pricing page on 2026-09-29. If you need exactly one, buying a single static IP walks through the order.