What Is 172.31.0.1? IP Address Info, Owner & Lookup (2026) What Is 172.31.0.1? IP Address Info, Owner & Lookup (2026) - ExamineIP
172.31.0.1
Owned by Amazon Web Services — Seattle, Washington, US
AWS Default VPC Gateway ✓ Safe AS14618

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📌 IP Address Details
IP Address172.31.0.1
Owner / OrganizationAmazon Web Services
TypeAWS Default VPC Gateway
HostnameN/A
ASNAS14618
ISPAmazon.com Inc.
LocationSeattle, Washington, US
Common PortsN/A
Safe to Connect?✅ Yes
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What Is 172.31.0.1?

172.31.0.1 is a well-known IP address owned and operated by Amazon Web Services. It is classified as a AWS Default VPC Gateway and is primarily used for: The default gateway IP in Amazon Web Services default VPC (Virtual Private Cloud). AWS uses the 172.31.0.0/16 range for its default VPC and assigns 172.31.0.1 as the implicit router.

The address belongs to Autonomous System AS14618, registered to Amazon.com Inc.. If you have seen 172.31.0.1 appear in your network logs, firewall rules, or router settings, it is almost certainly legitimate traffic related to AWS’s services.

Is 172.31.0.1 Safe?

✅ Yes, 172.31.0.1 is safe. This IP address belongs to Amazon Web Services, 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 AWS’s services.

Who Owns 172.31.0.1?

172.31.0.1 is registered under ASN AS14618 and is allocated to Amazon Web Services. The address resolves to the hostname N/A and is geographically associated with Seattle, Washington, US.

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 172.31.0.1 is publicly visible and traceable back to Amazon Web Services, 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 172.31.0.1

Why do I see 172.31.0.1 in my AWS environment?
172.31.0.1 is the implicit router address in the AWS default VPC. It handles routing between subnets and to the internet gateway. This is normal AWS infrastructure.
Can I change the AWS default VPC range?
You cannot change the CIDR range of an existing VPC. You can create a new VPC with a different range, or use the default 172.31.0.0/16 range as-is.
Is 172.31.0.1 accessible from the internet?
No. 172.31.0.1 is a private address within the AWS VPC and is not accessible from the public internet.

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

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