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tools.as53654.net — System Architecture

AS53654  |  TJF Holdings  |  Layton, UT  |  Auto-generated 2026-05-26
Browser (Client-Side)

Application

Single-page app, no build step
index.html with inline CSS/JS
Client-only features:
Subnet Calc (IPv4/IPv6)
Time, Binary Clock, Lunar Phase

CDN Dependencies

D3.js v7
Data visualization
Leaflet.js 1.9.4
Interactive maps
Google Fonts
JetBrains Mono, Space Grotesk
OpenStreetMap tiles
Map tile provider

External Client APIs

api4.ipify.org
IPv4 detect
api6.ipify.org
IPv6 detect
Called directly from browser
HTTPS + WSS (TLS)
Nginx 1.24.0 (Reverse Proxy + Static Files)
/Static files (HTML/CSS/JS)
/api/*Proxy to backend (REST, adds X-Real-IP)
/ws/*Proxy to backend (WebSocket upgrade)
TLS: Let's Encrypt (auto-renewed)
localhost:8000
FastAPI Backend (127.0.0.1:8000)

REST Endpoints

GET/api/lg/summary (10/minute)
GET/api/bgp-graph
GET/api/myip
GET/api/ipinfo (30/minute)
GET/api/geoip (30/minute)
GET/api/rpki (30/minute)
GET/api/irr (30/minute)
GET/api/tcp-check (10/minute)
GET/api/port-scan (3/minute)
GET/api/route-leak (10/minute)
GET/api/bgp-history (10/minute)
GET/api/asn (20/minute)
GET/api/ntp-status (10/minute)
GET/api/ntp-count (60/minute)
GET/api/ntp-clients (6/minute)
GET/api/ntp-history (60/minute)
GET/api/network-status (60/minute)
GET/api/wan-series (30/minute)
GET/metrics
GET/health

WebSocket Endpoints

WS/ws/mtr
WS/ws/ping
WS/ws/dig
WS/ws/whois
WS/ws/lg/bgp-route
WS/ws/lg/more-specifics
WS/ws/lg/ping
WS/ws/lg/traceroute

Runtime

Python 3.12 + Uvicorn
Single-file FastAPI backend
Managed via systemd
Libraries
slowapirate limiting
prometheus_clientmetrics export
asyncsshSSH to router
geoip2MaxMind reader
aiohttpasync HTTP
subprocess / SSH / mmap
Data Sources

System Binaries (subprocess)

/usr/bin/chronyc
/usr/bin/curl
RDAP JSON fetch (-4 flag)
/usr/bin/dig
DNS lookups, Team Cymru ASN
/usr/bin/mtr
Traceroute (JSON output)
/usr/bin/ping, ping6
ICMP probes
/usr/bin/timedatectl
NTP/time status

SSH to Router (asyncssh)

MikroTik CCR2216 (RouterOS 7)
SSH with key-based auth
Read-only restricted user
Provides
BGP routes, AS paths, peer count
Ping, traceroute, NTP status
Router identity

Prometheus (OOB Network)

Monitoring VM
Queried over OOB management net
Provides
BGP session state & uptime
WAN throughput (rx/tx bps)
Rate limit hit counters

Local Data Store

MaxMind GeoLite2-City
GeoLite2-City.mmdb (~62MB)
Details
Memory-mapped at startup
Auto-updated weekly (cron)
Service restarted after update
DNS / HTTPS
External Services

Team Cymru DNS

*.origin.asn.cymru.com
*.origin6.asn.cymru.com
AS<n>.asn.cymru.com
Used by
MTR enrichment, WHOIS BGP origin
/api/ipinfo, BGP graph ASN resolution

RDAP Registries

Bootstrap: rdap.org
Redirects to correct registry
Registries
ARIN, RIPE, APNIC
LACNIC, AFRINIC
Verisign (domains)
Port 43 blocked; uses HTTPS
Data Flow by Feature
Ping / MTR
Browser→WS→FastAPI→subprocess(ping/mtr)→Team Cymru
DNS Lookup
Browser→WS→FastAPI→subprocess(dig)
WHOIS / RDAP
Browser→WS→FastAPI→curl→rdap.org→registry
+ dig -> Team Cymru (BGP origin)
+ /api/geoip -> local GeoLite2 mmdb
Looking Glass
Browser→WS→FastAPI→SSH→MikroTik router
BGP Graph
Browser→REST→FastAPI→SSH→MikroTik→Team Cymru
My IP
Browser→ipify (detect)→/api/ipinfo→dig→Team Cymru
GeoIP
Browser→REST→FastAPI→geoip2→local GeoLite2-City.mmdb
NTP Status
Browser→REST→FastAPI→NTP270 HTTP JSON + chronyc + timedatectl
Network Status
Browser→REST→FastAPI→Prometheus (OOB)→SNMP/SSH metrics
Frontend Tabs (11 tabs)
1.ping / mtrICMPICMP ping or traceroute with ASN enrichment
2.dns lookupUDP/53dig queries (A, AAAA, MX, NS, TXT, SOA, PTR, CNAME)
3.whoisRDAPRDAP + BGP origin + GeoIP map
4.subnet calcIPv4/6Client-side IPv4/IPv6 CIDR calculator
5.looking glassBGPBGP routes, more-specifics, ping, traceroute
6.bgp graphLIVED3.js hierarchical transit map
7.my ipWANIPv4/IPv6 detection with ASN info
8.time & ntpLIVEClocks, binary clock, lunar phase, NTP status
9.network statusLIVELive BGP sessions, WAN throughput sparkline
10.aboutAS53654Network info, tools list, security details
11.tetris????Easter egg (Konami code)
Static Pages (5 pages)
1.index.htmlMain application (single-page app)
2.architecture.htmlArchitecture - tools.as53654.net
3.lab.htmlLab — tools.as53654.net
4.ntp-clients.htmlNTP Pool Clients — tools.as53654.net
5.test.htmltools.as53654.net — AS53654 Network Tools
Served as static files by nginx
Network Identity
AS53654 — TJF Holdings, Layton, UT
IPv4: 142.248.192.33   IPv6: 2602:f98d:11::33
Upstreams: AS18914 (ETS Telco), AS6315 (XMission)
IPv6 allocation: 2602:f98d::/40
Router: MikroTik CCR2216 (RouterOS 7)
Host: tools.as53654.net (nginx + uvicorn)
Rate Limits (16 endpoints)
/api/asn20/minute
/api/bgp-history10/minute
/api/geoip30/minute
/api/ipinfo30/minute
/api/irr30/minute
/api/lg/summary10/minute
/api/network-status60/minute
/api/ntp-clients6/minute
/api/ntp-count60/minute
/api/ntp-history60/minute
/api/ntp-status10/minute
/api/port-scan3/minute
/api/route-leak10/minute
/api/rpki30/minute
/api/tcp-check10/minute
/api/wan-series30/minute
Keyed by X-Real-IP header
Security Notes
Port 43 blocked outbound
RDAP curl uses -4 (IPv6 unreliable)
SSH key auth only (no password)
TLS via Let's Encrypt (auto-renew)
/metrics on OOB port 8080 only
Diagram auto-generated from source
Auto-generated from source  |  28 endpoints  |  11 tabs  |  16 rate limits  |  No database  |  All data live-queried or computed client-side