Network intelligence, from the BGP table up
Technical dispatches on IPv4 and IPv6 routing physics, RFC 8805 geofeed verification, sub-microsecond MMDB binary radix trees, and active anonymizer telemetry.
ipscope vs. MaxMind, IPinfo, IPLocate, IPGeolocation, and IPScanner: The 2026 Engineering Comparison
An architectural and pricing comparison of IP intelligence providers: evaluating declared vs. physical geolocation, VPN and residential proxy detection, MMDB and Parquet database parity, and total cost of ownership.
Why Registration Records Lie: Separating Declared and Physical IP Geolocation
How cross-border BGP announcements, IPv4 leasing marketplaces, and stale geofeeds break traditional GeoIP databases, and how active RTT triangulation resolves physical router location.
ipscope vs. MaxMind, IPinfo, IPLocate, IPGeolocation, and IPScanner: The 2026 Engineering Comparison
An architectural and pricing comparison of IP intelligence providers: evaluating declared vs. physical geolocation, VPN and residential proxy detection, MMDB and Parquet database parity, and total cost of ownership.
Why Registration Records Lie: Separating Declared and Physical IP Geolocation
How cross-border BGP announcements, IPv4 leasing marketplaces, and stale geofeeds break traditional GeoIP databases, and how active RTT triangulation resolves physical router location.
Scoring Real-Time Abuse Velocity: How security_extensions Detects Scanners and Credential Stuffing
How ipscope aggregates distributed darknet sensor hits, SSH/TLS brute-force telemetry, and port-sweep cadence into a calibrated 0-to-100 abuse_velocity_score with exponential time decay.
Inside the ipscope MMDB Compiler: Packing 35.3M Prefixes into a Zero-Copy Radix Tree
How we compile unified IPv4 and IPv6 routing tables into open MMDB v2.0 binary artifacts with structural DAG deduplication, compact pointer encoding, and sub-microsecond mmap lookups.
Why Cellular 5G CGNAT Breaks Naive Rate Limiters and City Geolocation
How carrier-grade NAT pools share a single public IPv4 address across thousands of mobile subscribers, and how to use connection.is_mobile and accuracy_radius_km in production.
Deterministic VPN & Residential Proxy Detection with Explainable Reason Codes
Why black-box fraud scores fail in production, and how ipscope combines WireGuard/OpenVPN protocol probes, MTU/MSS telemetry, and ASN classification to emit auditable reason codes.
Enriching 100,000+ IPs in Under 350 KB of RAM with Official IPScope Server SDKs
How we designed lookupBatchStream across Python, Node.js, Go, Rust, Java, .NET, Ruby, and PHP with bounded O(1) LRU caching, singleflight deduplication, and zero-allocation chunking.
Zero-Downtime MMDB Hot-Reloads: Atomic POSIX mmap Swaps in Go, Rust, and Node.js
How to download, verify SHA-256 checksums, and hot-swap memory-mapped ipscope .mmdb databases in live production processes without SIGBUS crashes or dropped requests.
Automating RFC 8805 Geofeed Ingestion: Validating Operator Claims Against RPKI
How network operators publish self-hosted RFC 8805 CSV geofeeds, and how our compiler authenticates RPSL remarks, verifies RPKI ROAs, and filters out spoofed latency claims.
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