Telcoaio - Network Toolbox
Dongjie Zhang
A native iOS network engineering toolbox built for engineers, ISP operators, and anyone who needs to debug a connection on the spot. Native diagnostics run directly on your device. Online features, including Global Ping, speed tests, DNS and registration lookups, contact the relevant services. No account or sign-up required. NATIVE TOOLS · Ping — continuous ICMP echo with min / avg / max RTT, loss %, jitter · Ping Sweep — scan IPv4 subnets from /24 to /32, with three pings per address and up to 10 addresses checked at once · Traceroute — hop-by-hop path with per-probe RTT · MTR — continuous Traceroute with per-hop packet loss and latency · Port Scanner — concurrent TCP connect scan with banner grabbing and service identification · Service Monitor — save HTTP, HTTPS and TCP endpoints; check status and latency together with optional foreground auto-refresh · Reverse DNS — IPv4 / IPv6 PTR lookups · Speed Test — download, upload, and latency via Cloudflare's public speed endpoint · Global Ping — pings the target from 10 fixed cities around the world (San Jose · Ashburn · Shanghai · Mumbai · Frankfurt · Singapore · São Paulo · Lagos · London · Sydney) with 10 packets each. Powered by globalping.io DNS & NAMING · DNS Lookup — A, AAAA, CNAME, MX, NS, TXT, SOA, PTR, CAA, SRV records over DoH or a custom UDP resolver · DNS Benchmark — find the fastest resolver for you (Cloudflare, Google, Quad9, AliDNS, 114DNS) · WHOIS / RDAP — domain, IP and ASN registration records WEB & ADDRESSING · Subnet Calculator — IPv4 and IPv6 CIDR math, fully offline · TLS Certificate — chain, expiry, SANs, TLS version and cipher for any host:port · HTTP Request — status, headers, redirect chain and a DNS/connect/TLS/TTFB timing waterfall · IPv6 Diagnostics — dual-stack reachability and NAT64/DNS64 detection INFO TAB · Current Wi-Fi name (SSID) and BSSID, subject to iOS permissions and availability · Local IPv4 / IPv6, netmask · External IP, ASN, ISP, country · Full interface listing with addresses (en0, awdl0, pdp_ip0, etc.) · Device, OS, screen, memory, storage LAN TAB · Local subnet scanner — concurrent ICMP probe with reverse-DNS labels · Bonjour service browser — HTTP, SSH, SMB, AirPlay, Chromecast, AirDrop, HomeKit, printers, and more · Wake on LAN — send magic packets to saved devices EXTRAS · Visual traceroute — plot the route on a map with per-hop geolocation · Export — share ping, traceroute, MTR, port-scan and LAN-scan results as text · Home-screen widget — your public IP and connection type at a glance · Siri & Shortcuts — Ping a host and get latency and packet loss results ADDITIONAL ONLINE TOOLS · ping.pe — global ping web tool, in-app browser · telcoaio.com — subnet calculator, DNS lookup, ASN converter, BGP visualizer, RPKI / IRR checks, route filter generator, and more DESIGN · Dark-only theme aligned with telcoaio.com · English (U.S.), Simplified and Traditional Chinese, German, Japanese, Korean, Spanish (Spain) and Spanish (Mexico) · SF Mono throughout — designed to feel like a terminal · Tool inputs and outputs are not sent to analytics; online features contact their respective services iPhone and iPad. Requires iOS 17 or later. Made by the team behind telcoaio.com.
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