What Is 1.2.3.4? IP Address Info, Owner & Lookup (2026) What Is 1.2.3.4? IP Address Info, Owner & Lookup (2026) - ExamineIP
1.2.3.4
Owned by APNIC — Asia Pacific
Public IP Address ✓ Safe AS4608

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📌 IP Address Details
IP Address1.2.3.4
Owner / OrganizationAPNIC
TypePublic IP Address
HostnameN/A
ASNAS4608
ISPServers Australia
LocationAsia Pacific
Common PortsN/A
Safe to Connect?✅ Yes
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What Is 1.2.3.4?

1.2.3.4 is a well-known IP address owned and operated by APNIC. It is classified as a Public IP Address and is primarily used for: A sequential IP address frequently used as a placeholder in programming examples, network documentation, and tutorials. Often Googled by developers and students who want to know if it is a real address.

The address belongs to Autonomous System AS4608, registered to Servers Australia. If you have seen 1.2.3.4 appear in your network logs, firewall rules, or router settings, it is almost certainly legitimate traffic related to APNIC’s services.

Is 1.2.3.4 Safe?

✅ Yes, 1.2.3.4 is safe. This IP address belongs to APNIC, 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 APNIC’s services.

Who Owns 1.2.3.4?

1.2.3.4 is registered under ASN AS4608 and is allocated to APNIC. The address resolves to the hostname N/A and is geographically associated with Asia Pacific.

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 1.2.3.4 is publicly visible and traceable back to APNIC, 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.

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Frequently Asked Questions About 1.2.3.4

Is 1.2.3.4 a real IP address?
Yes. 1.2.3.4 is a real public IP address allocated in the Asia Pacific region. It is not a placeholder — it is a live IP that responds to pings, though it has no special public service.
Why is 1.2.3.4 used in programming examples?
Developers use 1.2.3.4 in code examples because it looks obviously fake and sequential. However it is a real IP — technical examples should use the reserved documentation ranges like 192.0.2.x instead.
Can I ping 1.2.3.4?
Yes. 1.2.3.4 is a real routable IP and responds to pings. This makes it occasionally useful for quick network connectivity tests, though 8.8.8.8 is a more reliable choice.

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Last updated: March 29, 2026 • Data sourced from public WHOIS / ARIN / RIPE registries. Report an error

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