IPIP Address Lookup
IPv4public

1.1.1.1

Cloudflare Public DNS resolver • Managed by Cloudflare, Inc.

Profile updated: November 2026•Verified against IANA & RIR database allocations

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Overview of 1.1.1.1

1.1.1.1 is Cloudflare and APNIC partnership privacy-focused public DNS resolver, operating across global Anycast points of presence with strict zero-logging policies.

Classification & Technical Details

  • Protocol Version: IPv4
  • Address Classification: PUBLIC (Globally Routable on BGP)
  • Managing Authority / Registry: Cloudflare, Inc.
  • Primary ASN: AS13335
  • Authoritative Reverse DNS (PTR): one.one.one.one

Routing and Operational Purpose

The IP 1.1.1.1 is designated for Cloudflare Public DNS resolver. In modern networking, proper identification of such infrastructure nodes is essential for diagnosing traceroute latency, verifying forward-confirmed reverse DNS (FCrDNS), and establishing trustworthy security policies.

Data Correction Process

How to Correct Inaccurate IP Geolocation Data

Does your IP address show the wrong city, state, or country? Websites and lookup tools do not use GPS to determine your location—they query third-party geolocation databases. If your ISP recently reallocated your IP subnet or transferred IP space, these databases may report outdated physical locations.

MaxMind GeoIP

Largest Market Share

The industry-standard database powering Cloudflare, Akamai, AWS, and thousands of security vendors.

Turnaround: 1–2 weeks (weekly database build)
Scope: City, Region, Country, Postal Code

IPinfo.io

Fastest Update

Popular developer API and real-time telemetry service used by Stripe, GitHub, and SaaS platforms.

Turnaround: 24–72 hours
Scope: Geolocation, ASN, Company Name, Hosting type

IP2Location

Enterprise E-Commerce

Commercial IP intelligence provider relied upon by global e-commerce and fraud detection systems.

Turnaround: Monthly (1st of each month)
Scope: City, Region, Coordinates, ISP

DB-IP

Open Dataset

Public and enterprise geolocation provider offering free and licensed IP-to-location mapping.

Turnaround: 2–4 weeks (monthly release cycle)
Scope: City, Country, ISP Name

BigDataCloud

Real-time Telemetry

Next-generation IP intelligence using real-time network telemetry and BGP route tracking.

Turnaround: 3–7 business days
Scope: Subnet Geolocation & Confidence Index

Regional Internet Registries (RIRs)

Authoritative Source

Authoritative WHOIS/RDAP registries (ARIN, RIPE, APNIC, LACNIC, AFRINIC). For network owners & ISPs.

Turnaround: Immediate on registry, 1–3 weeks for databases
Scope: Authoritative Organization, Country, CIDR block

Step-by-Step: How to Get Your IP Address Corrected Everywhere

  1. Check your public IP: Use our tool above to verify your exact public IPv4 or IPv6 address.
  2. Submit directly to MaxMind & IPinfo: These two providers account for the majority of commercial web lookups (including streaming services, banks, and CDNs).
  3. Provide proof of territory: When filling out provider forms, provide your postal code, city, region, and ISP name. Mention if your ISP recently reallocated your residential IP pool.
  4. For ISPs & Enterprises (RFC 8805 Geofeed): Publish a standardized CSV geofeed on an HTTPS URL and add a Geofeed comment to your ARIN, RIPE, or APNIC inetnum object. Major providers automatically crawl RFC 8805 geofeeds weekly.
  5. Wait for propagation: Once providers approve your correction, it takes 1 to 3 weeks for websites, content distribution networks (CDNs), and databases to download updated database snapshots.