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About This IP Address
Automated analysis of 216.73.217.138
AI Analysis: 216.73.217.138
IPv4 Class C Network β Home, Small Business & ISP Broadband
Comprehensive analysis of your IP's network class and behavior
216.73.217.138 belongs to Class C β the most commonly encountered IPv4 class for everyday users. Class C networks support up to 254 hosts per network block and are used by home internet connections, small businesses, shared hosting providers, and ISP broadband pools. The vast majority of internet users β billions of people β access the internet through Class C IP addresses.Structure:
[Network].[Network].[Network].[Host]The first three bits are always 110, constraining the first octet to 192β223. This class has over 2 million available networks β by far the largest count among all IPv4 classes β but each network is tiny. That's why ISPs can assign millions of customers individual /24 blocks or even individual IP addresses from within their allocated pool.
Why 192.168.x.x is everywhere:
- Home routers (WiFi modems) use it as default LAN range
- NAT translates this to your real public IP when accessing the internet
- 256 Γ 256 = 65,536 private /24 blocks available in this space
- Virtually every consumer device on earth uses 192.168.x.x internally
| CIDR | Subnet Mask | Hosts | Use Case |
| /24 | 255.255.255.0 | 254 | Small office / ISP block |
| /25 | 255.255.255.128 | 126 | Half a Class C |
| /26 | 255.255.255.192 | 62 | Quarter of Class C |
| /30 | 255.255.255.252 | 2 | Point-to-point link |
SEO Note: In the world of SEO, 'Class C IP diversity' refers to having backlinks from different /24 (Class C) networks β indicating natural link profiles since links from the same /24 might come from the same hosting provider.
- Dynamic vs Static: Most ISP-assigned Class C IPs are dynamic (change on reconnect) β harder to track but also harder to whitelist
- IP Blacklisting: Spam and abuse filters often block entire /24 blocks if too many IPs from that block are flagged
- NAT Security: 192.168.x.x devices behind NAT are naturally protected from direct internet attacks
- Shared Hosting: Multiple websites on the same Class C IP may suffer reputation impacts from 'bad neighbors'
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