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🔍 Check My IP Address →| IP Address | 100.64.0.1 |
| Owner / Organization | Reserved Address |
| Type | Shared Address Space (CGNAT) |
| Hostname | N/A |
| ASN | N/A |
| ISP | N/A |
| Location | N/A (ISP Internal) |
| Common Ports | N/A |
| Safe to Connect? | ✅ Yes |
What Is 100.64.0.1?
100.64.0.1 is a well-known IP address owned and operated by Reserved Address. It is classified as a Shared Address Space (CGNAT) and is primarily used for: Part of the 100.64.0.0/10 Shared Address Space defined in RFC 6598. Used internally by ISPs for Carrier-Grade NAT (CGNAT) — the system ISPs use to share a single public IP between multiple customers.
The address belongs to Autonomous System N/A, registered to N/A. If you have seen 100.64.0.1 appear in your network logs, firewall rules, or router settings, it is almost certainly legitimate traffic related to IANA’s services.
Is 100.64.0.1 Safe?
✅ Yes, 100.64.0.1 is safe. This IP address belongs to Reserved Address, a reputable organization. It is not associated with malicious activity, spam, or known threat actors. Seeing it in your network traffic is normal if you use IANA’s services.
Who Owns 100.64.0.1?
100.64.0.1 is registered under ASN N/A
and is allocated to Reserved Address.
The address resolves to the hostname N/A
and is geographically associated with N/A (ISP Internal).
IP address ownership data is publicly available through the Regional Internet Registries (RIRs) such as ARIN, RIPE NCC, and APNIC. You can verify ownership of any IP at any time using a WHOIS lookup.
How to Protect Your Own IP Address
Just like 100.64.0.1 is publicly visible and traceable back to Reserved Address, your personal IP address is visible to every website you visit. Websites, advertisers, and even bad actors can see your approximate location and ISP from your IP alone.
The easiest way to hide your IP is to use a VPN (Virtual Private Network). A VPN replaces your real IP with one of the VPN provider’s servers, making you anonymous online.
Frequently Asked Questions About 100.64.0.1
Why does my IP start with 100.64?
Does CGNAT affect my internet speed?
How do I get a real public IP instead of CGNAT?
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Last updated: March 28, 2026 • Data sourced from public WHOIS / ARIN / RIPE registries. Report an error