Web hosting is one of the largest consumers of IPv4 addresses. Understanding IP requirements helps hosting providers scale efficiently and maintain service quality.
Pourquoi les hébergeurs ont besoin d'IPv4
Despite IPv6 availability, IPv4 remains essential for web hosting due to incomplete client adoption and legacy requirements.
- Dedicated IPs for SSL certificates (legacy systems)
- Email server reputation requires clean IPs
- Some clients require dedicated addresses
- SEO considerations for dedicated hosting
Shared vs Dedicated IPs
Hosting providers balance between shared and dedicated IP models.
Shared IP Hosting
Multiple sites share one IP. Cost-effective, but reputation shared.
Dedicated IP Hosting
Each customer gets unique IP. Premium offering with isolated reputation.
IP Reputation for Hosting
IP reputation directly impacts hosting quality.
Blacklisted IPs block customer emails
Google may flag sites on spam-associated IPs
Ad networks block suspicious IP ranges
Customer trust depends on clean infrastructure
Scaling Hosting Infrastructure
Growing hosts need predictable IP supply. Leasing provides flexibility to scale up during growth or scale down if needed.