Wyden told ten states that businesses use flawed GeoIP data to drop GPC opt-outs. Where state-level IP geolocation breaks, and a rule that only widens rights.
Keep users in the loop Ship release notes that get read. Try Noticeable 
Run an rDNS lookup with dig, host, nslookup or an API, then do a real rDNS check by forward-confirming the PTR record. Worked examples for Googlebot and Gmail.
Utah SB 73 deems anyone physically in the state a Utah user, VPN or not. What VPN and proxy detection can really prove about an IP, and what it cannot.
AS62390 hijacked a Hetzner /24 for 33 hours while every validator said RPKI Valid, earned a real Let's Encrypt certificate, and shipped a backdoored update.
APNIC has required an abuse contact on every IP address block for years without defining abuse. We sampled 260 addresses to see where reports actually land.
INDIGO West and Central faulted hours apart in Perth's submarine cable protection zone. What a shunt fault is, how traffic reroutes, and why the AFP is looking.
RFC 10001 (BCP 91) replaces RFC 3901: two IPv6-reachable authoritative servers per zone, dual-stack resolvers, NAT64 sanctioned. What changed, and how to test.
New research finds mobile IP geolocation errors 10x worse than fixed broadband. How CGNAT and coarse prefixes cause it, and how geofeeds fix it.
Cloudflare's AI training block is serving 403s to Googlebot, and mixed-purpose crawlers get blocked by default on September 15. How to verify crawlers by IP.