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

📋 Contact & Network Overview

  • AROI: ftp.halifax.rwth-aachen.de✓ Validated
  • 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: ~3.62 Gbit/s (3.62 Gbit/s guard)
  • Network Influence: 0.31% of overall consensus weight (0.60% 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: 1392. +10% higher than 1271 network average. 76th percentile with 936 median.
    • Guard CW/BW: 1392. +64% higher than 848 network average. 76th percentile with 1014 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 100.0% (9 relays), 6mo 99.8% (9 relays), 1y 99.9% (9 relays), 5y 97.4% (9 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: 64%, 25th Pct: 97%, 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 2026-01-10 03:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 231.73 Mbit/s avg (9 relays), 1y 235.89 Mbit/s avg (9 relays), 5y 208.46 Mbit/s avg (9 relays)
  • Performance Analysis (6mo):
    • Stability: Good (Coefficient of Variation: 33.2% = 77.02 Mbit/s σ / 231.73 Mbit/s μ)
    • Trend: Decline (-20.6%) for most recent (Nov 08 - Jan 08, 2026) vs least recent (Jul 08 - Sep 07, 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 2.08 Gbit/s avg (184 days), 1y 2.12 Gbit/s avg (183 days), 5y 710.82 Mbit/s avg (164 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 2026-01-10 03:00:00 UTC

🏆 AROI Champion Rankings

1 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 100.0% / 99.8% / 99.9% / 96.0%
⚡ Fast Relay: 100.0% / 99.8% / 99.9% / 97.1%
🟢 Running Operation: 100.0% / 99.8% / 99.9% / 97.4%
🛡️ Entry Guard: 100.0% / 99.8% / 99.9% / 91.1%
📂 Hidden Services: 85.6% / 81.3% / 86.4% / 81.9%
📁 Directory Services: 100.0% / 99.8% / 99.9% / 97.4%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-01-10 03:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
⚡ Fast Relay: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
🟢 Running: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
📁 Hidden Service Directory: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
🎯 Stable Relay: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
📋 Version 2 Directory: 231.73 Mbit/s / 235.89 Mbit/s / 208.46 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Sat, 10 Jan 2026 04:47:26 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

✓ VALIDATED RELAYS (9)

Nickname BW Cap (3.62 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 IPv6
✓ FTPhalifaxRWTH (9) 526.94 Mbit/s   ✓ UP 3w 9h 58m ago 100.0%/99.8%/99.9%/97.1% —/—/—/90.1% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 10h 4m ago N/A
✓ FTPhalifaxRWTH (9) 470.29 Mbit/s   ✓ UP 3w 11h 22m ago 100.0%/99.8%/99.9%/97.1% —/—/—/90.3% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 11h 28m ago N/A
✓ FTPhalifaxRWTH (9) 444.59 Mbit/s   ✓ UP 3w 11h 22m ago 100.0%/99.7%/99.9%/97.0% —/—/—/90.1% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 8mo 14h ago 3w 11h 28m ago N/A
✓ FTPhalifaxRWTH (9) 438.56 Mbit/s   ✓ UP 3w 11h 22m ago 100.0%/99.7%/99.9%/97.0% —/—/—/89.9% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 11h 28m ago N/A
✓ FTPhalifaxRWTH (9) 433.80 Mbit/s   ✓ UP 3w 11h 19m ago 100.0%/99.8%/99.9%/97.1% —/—/—/90.1% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 11h 25m ago N/A
✓ FTPhalifaxRWTH (9) 423.94 Mbit/s   ✓ UP 3w 10h 23m ago 100.0%/99.7%/99.9%/97.0% —/—/—/90.1% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 10h 29m ago N/A
✓ FTPhalifaxRWTH (9) 408.58 Mbit/s   ✓ UP 3w 9h 33m ago 100.0%/99.8%/99.9%/97.1% —/—/—/89.4% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 9h 39m ago N/A
✓ FTPhalifaxRWTH (9) 406.39 Mbit/s   ✓ UP 3w 11h 22m ago 100.0%/99.8%/99.9%/97.0% —/—/—/90.5% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid Germany DE AS47610 RWTH Aachen University Linux 1y 7mo 3w ago 3w 11h 29m ago N/A
✓ COtto (9) 71.83 Mbit/s   ✓ UP 4d 18h 43m ago 100.0%/100.0%/100.0%/99.8% Match 157.90.112.145 FastGuardHSDirRunningStableV2DirValid Germany DE AS24940 Hetzner Online GmbH Linux 4y 5mo 4w ago 4d 18h 49m ago N/A