What Is a “Usage Type” of IP Addresses?
The usage type of an IP address refers to the intended purpose or environment in which the IP address is used. It helps classify how and where an IP is typically deployed, and is useful for security analysis, network management, geolocation services, and IP reputation systems.
Common Usage Types:
- COM (Commercial): IP addresses assigned to businesses and commercial organizations.
- ORG (Organization): IP addresses assigned to general organizations, not necessarily commercial.
- GOV (Government): IP addresses used by government entities.
- MIL (Military): IP addresses used by military organizations.
- EDU (University/College/School): IP addresses assigned to educational institutions.
- LIB (Library): IP addresses used by libraries.
- CDN (Content Delivery Network): IP addresses used by content delivery networks.
- ISP (Fixed Line ISP): IP addresses assigned to internet service providers (ISPs) for fixed-line connections.
- MOB (Mobile ISP): IP addresses assigned to ISPs for mobile connections.
- DCH (Data Center/Web Hosting/Transit): IP addresses used by data centers, web hosting providers, or for internet transit.
- SES (Search Engine Spider): IP addresses used by search engine crawlers.
- RSV (Reserved): IP addresses reserved for specific purposes and not generally available for public use.
Understanding the usage type helps in assessing the trustworthiness and behavior of an IP address, particularly for fraud detection, ad targeting, and cybersecurity analysis.
The most expensive in terms of leasing IP addresses belong to the ISP usage type. Providers and proxy services want their IPs to be classified as ISP to appear more like legitimate end-user traffic. ISP-tagged IPs are less likely to be blocked, rate-limited, or flagged by anti-bot and fraud detection systems. This improves access to websites, APIs, and services that restrict data center or proxy IPs. It also helps avoid CAPTCHAs, login challenges, and bans. Streaming platforms, e-commerce sites, and financial services often deny access from non-ISP IPs. ISP-tagged IPs are more trusted and offer better compatibility with consumer-facing platforms. For proxy services, this classification increases the resale value of IPs by marketing them as “residential.” It also helps bypass geo-restrictions and web application firewalls. Essentially, the ISP label gives the impression of real human users. That’s why it’s strategically important for traffic quality, reputation, and business success.