View Contact ftp.halifax.rwth-aachen.de Details

📋 Contact & Network Overview

  • Contact: 0x8D41788E90924014 Carsten Otto <[email protected]> url:ftp.halifax.rwth-aachen.de proof:uri-rsa ciissversion:2
  • Hash: e696a7f0f50867f475ef35027232c928
  • Countries: Germany Germany (9)
Network Summary:
  • Bandwidth Capacity: ~4.03 Gbit/s (4.03 Gbit/s guard)
  • Network Influence: 0.39% of overall consensus weight (0.73% guard)
  • Network Position: Guard-only (9 total relays, 9 guards)

📊 Operator Intelligence

  • Network Diversity: Okay, 2 networks
  • Geographic Diversity: Poor, 1 country
  • Infrastructure Diversity: Poor, 1 platform, 1 version
  • Bandwidth Capacity Measurements: 9/9 relays measured by authorities
  • Performance Insights: Overall CW/BW: 1330. +24% higher than 1073 network average. 80th percentile with 859 median.
    • Guard CW/BW: 1330. +57% higher than 848 network average. 80th percentile with 939 median.
  • Operational Maturity: Operating since 2021-07-17 (expanded through 2024-05-17)
  • Version Compliance: All, 9 (100%) compliant
    • Version Status: All, 9 (100%) recommended

⏰ Relay Reliability

  • Overall Uptime: 30d 99.9% (9 relays), 6mo 99.8% (9 relays), 1y 96.6% (9 relays), 5y 96.6% (8 relays)
    • Outlier (6mo: ≥2σ 99.6% from μ 99.8%): 1 relays out of 9 relays (11.1%)Exceptional: 1 relay
    • Network Uptime (6mo): 5th Pct: 71%, 25th Pct: 98%, Operator: 100%, 50th Pct: 100%, 75th Pct: 100%, 90th Pct: 100%, 95th Pct: 100%, 99th Pct: 100%
  • Offline: 0 relays
Reliability data available for 9/9 relays, from 2025-08-20 05:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 253.70 Mbit/s avg (9 relays), 1y 213.64 Mbit/s avg (9 relays), 5y 201.62 Mbit/s avg (9 relays)
  • Performance Analysis (6mo):
    • Stability: Good (Coefficient of Variation: 33.6% = 85.13 Mbit/s σ / 253.70 Mbit/s μ)
    • Trend: Growth (+9.7%) for most recent (Jun 19 - Aug 18, 2025) vs least recent (Feb 18 - Apr 19, 2025)
    • Capacity Utilization: 48% of all-time peak capacity (current 6mo avg vs all-time 1yr peak)
    • Bandwidth Outliers: 1 relay with unusual bandwidth patterns, Low: COtto
Network Comparison:
  • Network Position: Top 25% (75th-95th percentile)
  • Network Contribution: 6mo 2.28 Gbit/s avg (181 days), 1y 1.92 Gbit/s avg (183 days), 5y 575.39 Mbit/s avg (149 days)
Bandwidth Stability: Great (Top 25% most stable), Good (25-50% most stable), Variable (25-50% most stable), Extreme (Bottom 10% most variable)
Reliability data available for 9/9 relays, from 2025-08-20 05:00:00 UTC

🏆 AROI Champion Rankings

1 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 99.9% / 99.8% / 96.6% / 94.6%
⚡ Fast Relay: 99.9% / 99.8% / 96.3% / 96.3%
🟢 Running Operation: 99.9% / 99.8% / 96.6% / 96.6%
🛡️ Entry Guard: 99.9% / 99.8% / 88.9% / 88.5%
📂 Hidden Services: 89.1% / 87.6% / 85.3% / 82.0%
📁 Directory Services: 99.9% / 99.8% / 96.6% / 96.6%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2025-08-20 05:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
⚡ Fast Relay: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
🟢 Running: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
📁 Hidden Service Directory: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
🎯 Stable Relay: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
📋 Version 2 Directory: 253.70 Mbit/s / 213.64 Mbit/s / 201.62 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Wed, 20 Aug 2025 06:31:35 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

Nickname BW Cap (4.03 Gbit/s) Uptime/Downtime Uptime (1M/6M/1Y/5Y) Flag Uptime (1M/6M/1Y/5Y) IPv4 Flags Country AS Number AS Name Platform First Seen Last Restarted
FTPhalifaxRWTH (9) 552.01 Mbit/s    UP 3w 1d 15m ago 99.8%/99.7%/96.2%/96.1% —/—/87.6%/86.8% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 18m ago
FTPhalifaxRWTH (9) 516.79 Mbit/s    UP 3w 1d 15m ago 99.8%/99.7%/96.2%/96.1% —/—/87.7%/86.9% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 1w ago 3w 1d 18m ago
FTPhalifaxRWTH (9) 514.41 Mbit/s    UP 3w 1d 16m ago 100.0%/99.8%/96.3%/96.2% —/—/87.7%/87.2% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 19m ago
FTPhalifaxRWTH (9) 506.76 Mbit/s    UP 3w 1d 14m ago 99.8%/99.7%/96.2%/96.1% —/—/87.6%/86.9% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 17m ago
FTPhalifaxRWTH (9) 504.44 Mbit/s    UP 3w 1d 16m ago 100.0%/99.8%/96.3%/96.2% —/—/87.7%/86.9% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 19m ago
FTPhalifaxRWTH (9) 475.04 Mbit/s    UP 3w 1d 15m ago 100.0%/99.8%/95.9%/0.0% —/—/86.5%/— 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 18m ago
FTPhalifaxRWTH (9) 461.97 Mbit/s    UP 3w 1d 14m ago 100.0%/99.8%/96.3%/96.2% —/—/87.7%/87.0% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 17m ago
FTPhalifaxRWTH (9) 429.23 Mbit/s    UP 3w 1d 14m ago 100.0%/99.8%/96.3%/96.2% —/—/87.7%/86.1% 137.226.34.45 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS47610 RWTH Aachen University Linux 1y 3mo 4d ago 3w 1d 18m ago
COtto (9) 68.98 Mbit/s    UP 3w 1d 4h ago 100.0%/100.0%/100.0%/99.7% Match 157.90.112.145 Fast Guard HSDir Running Stable V2Dir Valid Germany DE AS24940 Hetzner Online GmbH Linux 4y 1mo 5d ago 3w 1d 4h ago