About IPAddressLookup.in
IPAddressLookup.in is an India-focused IP address and networking utility suite built to provide working diagnostics, transparent data provenance, and source-verified technical education.
1. Mission and Product Philosophy
Many consumer IP lookup websites obscure where their data comes from, present approximate city-level geolocation as if it were exact GPS coordinates, or label missing proxy checks as "clean IP / VPN not detected". IPAddressLookup.in was engineered with a stricter standard:
- Utility first, explanation second: Every tool page leads immediately with a working diagnostic or deterministic calculator, followed by clear explanations of what each returned field means and what its limits are.
- Authoritative protocols over guesswork: Wherever possible, we query open standards directly—including IANA RFC 9224 RDAP bootstrap for IP/ASN registration data and Cloudflare DNS-over-HTTPS for DNS/PTR resolution—and perform CIDR/subnet calculations deterministically using 64-bit/128-bit BigInt math.
- India-relevant context without keyword filler: Our guides address real networking architectures encountered in India, such as dual-stack 4G/5G and FTTH broadband, RFC 6598 Carrier-Grade NAT (CGNAT), and APNIC/IRINN allocations.
2. Data Sources and Provenance
Regional Internet Registry RDAP (IANA, APNIC, ARIN, RIPE NCC, LACNIC, AFRINIC)
Used for authoritative netblock ranges, Autonomous System Numbers, registrant entities, and allocation timestamps per RFC 9224.
Country & ASN Intelligence Baseline (IPinfo Lite Compatible)
Provides country-level geolocation and Autonomous System mapping with explicit attribution. We never fabricate street coordinates when only country or regional gateway data exists.
IANA Special-Purpose Address Registries (IPv4 & IPv6)
Maintained against RFC 6890, RFC 1918, RFC 6598, RFC 4193, and RFC 4291 to classify non-routable and shared address blocks accurately.
3. Upstream Protocol & Licensing Governance
Every external data source integrated into IPAddressLookup.in is audited for licensing compliance, quota discipline, and attribution transparency:
| Data Capability | Authoritative Source | Operational & Caching Policy |
|---|---|---|
| IP & ASN Registration (RDAP) | IANA RFC 9224 Bootstrap + APNIC/ARIN/RIPE | Open registry protocol with 15-min TTL cache & strict host allow-list |
| DNS & Reverse PTR Resolution | Cloudflare DoH JSON (1.1.1.1 / 1.0.0.1) | Server-side RFC 8484 resolver with dual-endpoint fallback & 2-min TTL cache |
| Country & ASN Intelligence | IPinfo Lite API + RIR RDAP Baseline | Country/ASN scope with visible source attribution and 15-min TTL cache |
| CIDR, Subnet & RFC Classification | Deterministic Bitwise Engine (RFC 4632 / 6890) | 100% local bitwise computation verified against IANA Special-Purpose Registries |
4. Editorial Review and Engineering Verification Standards
Every calculator, parser, and reference guide on IPAddressLookup.in undergoes automated protocol verification covering boundary conditions (/0, /31 RFC 3021 point-to-point links, /32 host routes, unaligned CIDR ranges, IDNA2008 Punycode domains, and 32-nibble IPv6 ip6.arpa formatting). Last full editorial review: 1 November 2026.
Technical Specifications & Protocol Facts
Authoritative parameters, dimensions, and IETF RFC compliance
| Parameter / Dimension | Technical Specification | Standard / Authority |
|---|---|---|
| Canonical Document Scope | About — Route /about | IPAddressLookup.in Technical Reference |
| Supported Address Families | IPv4 (32-bit dotted-decimal) & IPv6 (128-bit hexadecimal) | RFC 791 / RFC 8200 / RFC 5952 |
| Authoritative Registration Protocol | Registration Data Access Protocol (RDAP) via IANA Bootstrap | RFC 7480–7484 / RFC 9224 |
| Special-Purpose Range Classification | Private LAN (RFC 1918), Shared CGNAT 100.64.0.0/10 (RFC 6598), ULA (RFC 4193) | RFC 6890 IANA Registry |
Frequently Asked Questions
Concise answers verified against IANA, APNIC, and IETF protocol standards
What is the primary purpose of About?
Understand our mission, authoritative data sources, testing methodology, and editorial standards. Every output on IPAddressLookup.in follows IETF RFC standards and cites primary RIR/IANA sources.
Are IP and network queries on this page logged or shared with advertisers?
No. IPAddressLookup.in operates on a strict data-minimization model with stateless query execution, short-lived caching (15 minutes max for upstream RDAP/DNS), and zero persistent user lookup history.
How often is the technical documentation on IPAddressLookup.in reviewed?
All protocol calculators, RFC citations, and Indian telecom notes are verified by the 2026-11-01 editorial and engineering review cycle.
Related Network Tools & Technical Guides
Contextual utilities and reference documentation verified for this workflow
Diagnostic & Calculation Utilities
- What Is My IP Address?
See your current public IP address, protocol family, and observed network metadata.
- All IP Tools
Browse and filter all 12 interactive IP intelligence, DNS, connectivity, and subnet calculation tools.
- Learning Center
Structured technical guides covering IP addressing, CGNAT, IPv6 in India, geolocation accuracy, and DNS.
Technical Reference Guides
- Contact
Submit a technical bug report, geolocation discrepancy note, or accessibility inquiry.
- Privacy Policy
Review how visitor IP addresses, tool queries, upstream providers, and server logs are handled.
- Disclaimer
Understand why IP geolocation and RDAP records cannot identify individual end subscribers or exact street addresses.
About · Canonical: https://ipaddresslookup.in/about · Reviewed: 2026-11-01
Reviewer: IPAddressLookup.in Technical Network Utility Group · Stateless Privacy · Accuracy & Data Limits