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

📋 Contact & Network Overview

  • AROI: ftp.halifax.rwth-aachen.de✓ Validated
    • 9 relays, 100% valid, 100% v3
  • Contact: pgp:8D41788E90924014 email:tor[]c-otto.de url:ftp.halifax.rwth-aachen.de proof:uri-familyid-ed25519 ciissversion:3
  • Hash: e696a7f0f50867f475ef35027232c928
  • Countries: Germany Germany (9)
Network Summary:
  • Bandwidth Capacity: ~5.59 Gbit/s (5.59 Gbit/s guard)
  • Total Data Transferred: 35 PB (0.55% of 5yr network data)
  • Overloaded: 55.6% (5 of 9 relays)
  • Network Influence: 0.59% of overall consensus weight (1.06% guard)
  • Network Position: Guard-only (9 total relays, 9 guards)

📊 Operator Intelligence

  • Network Diversity: Great, 2 networks (1 rare)
  • Geographic Diversity: Poor, 1 country (9 relays)
  • Infrastructure Diversity: Poor, 1 platform
  • Bandwidth Capacity Measurements: 9/9 relays measured by authorities
  • Performance Insights: Overall CW/BW: 1718. +42% higher than 1212 network average. 91th percentile with 799 median.
    • Guard CW/BW: 1718. +88% higher than 915 network average. 90th percentile with 835 median.
  • Operational Maturity: Operating since 2021-07-14 (expanded through 2024-05-17)
  • Version Compliance: All, 9 (100%) compliant
    • Version Status: All, 9 (100%) recommended
  • Family Support: 9 Happy Families (100%)

⏰ Relay Reliability

  • Overall Uptime: 30d 95.0% (9 relays), 6mo 98.6% (9 relays), 1y 99.3% (9 relays), 5y 97.8% (9 relays)
    • Outlier (6mo: ≥2σ 97.6% from μ 98.6%): 1 relays out of 9 relays (11.1%)Exceptional: 1 relay
    • Network Uptime (6mo): 5th Pct: 84%, 25th Pct: 98%, Operator: 99%, 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 2026-09-01 23:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 222.84 Mbit/s avg (9 relays), 1y 225.80 Mbit/s avg (9 relays), 5y 212.79 Mbit/s avg (9 relays)
  • Performance Analysis (6mo):
    • Stability: Good (Coefficient of Variation: 32.4% = 72.20 Mbit/s σ / 222.84 Mbit/s μ)
    • Trend: Growth (+15.3%) for most recent (Jul 01 - Aug 31, 2026) vs least recent (Feb 28 - Apr 30, 2026)
    • Capacity Utilization: 40% 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 2.01 Gbit/s avg (184 days), 1y 2.03 Gbit/s avg (183 days), 5y 889.49 Mbit/s avg (183 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 2026-09-01 23:00:00 UTC

🏆 AROI Champion Rankings

3 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 74.1% / 94.4% / 97.2% / 95.9%
⚡ Fast Relay: 95.0% / 98.6% / 99.3% / 97.6%
🟢 Running Operation: 95.0% / 98.6% / 99.3% / 97.8%
🛡️ Entry Guard: 37.2% / 87.5% / 93.7% / 91.2%
📂 Hidden Services: 58.4% / 67.4% / 73.2% / 78.4%
📁 Directory Services: 95.0% / 98.6% / 99.3% / 97.8%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-09-01 23:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 222.84 Mbit/s / 225.80 Mbit/s / 212.79 Mbit/s
⚡ Fast Relay: 222.84 Mbit/s / 225.80 Mbit/s / 212.79 Mbit/s
🟢 Running: 222.84 Mbit/s / 225.80 Mbit/s / 212.79 Mbit/s
📁 Hidden Service Directory: 203.28 Mbit/s / 207.43 Mbit/s / 195.71 Mbit/s
🎯 Stable Relay: 222.84 Mbit/s / 225.80 Mbit/s / 212.79 Mbit/s
📋 Version 2 Directory: 222.84 Mbit/s / 225.80 Mbit/s / 212.79 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Wed, 02 Sep 2026 06:02:44 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

✓ VALIDATED RELAYS (9)

Status Nickname BW Cap (5.59 Gbit/s) ▾ Total Data Uptime/Downtime Uptime (1M/6M/1Y/5Y) Flag Uptime (1M/6M/1Y/5Y) IPv4 Flags DNS Family Country AS Number AS Name Platform First Seen Last Restarted IPv6
✓ FTPhalifaxRWTH (9) 832.36 Mbit/s   ✓ 4.3 PB UP 4d 4h 45s ago 94.4%/98.4%/99.2%/97.5% 18.7%/82.8%/91.3%/89.5% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 4d 4h 11m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 784.58 Mbit/s   ✓ 4.1 PB UP 2w 2d 11h ago 94.4%/98.4%/99.2%/97.5% 24.2%/80.6%/90.3%/88.9% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 2w 2d 11h ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 741.65 Mbit/s   ✓ 4.3 PB UP 2d 5h 38m ago 94.4%/98.4%/99.2%/97.6% 28.9%/85.4%/92.7%/90.2% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 2d 5h 49m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 726.45 Mbit/s   ✓ 4.0 PB UP 2w 2d 8h ago 94.4%/98.5%/99.2%/97.6% 31.5%/87.2%/93.6%/89.8% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 2w 2d 9h ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 719.99 Mbit/s   ✓ 4.1 PB UP 1d 10h 38m ago 94.2%/98.4%/99.2%/97.5% 35.8%/88.6%/94.3%/90.6% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 1d 10h 49m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 647.52 Mbit/s   ✓ 4.3 PB UP 3w 14h 40m ago 94.2%/98.4%/99.2%/97.5% 23.7%/86.2%/93.1%/90.2% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 3w 14h 51m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 536.31 Mbit/s   ✓ 4.4 PB UP 11h 17m 46s ago 94.4%/98.4%/99.2%/97.5% 35.9%/88.6%/94.3%/90.8% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 11h 28m 46s ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 531.49 Mbit/s   ✓ 4.4 PB UP 3w 2d 4h ago 94.4%/98.5%/99.2%/97.6% 36.0%/88.7%/94.3%/90.7% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 3mo 2w ago 3w 2d 4h ago 2a00:8a60:e012:a00::9001
✓ COtto (9) 68.94 Mbit/s   ✓ 1.4 PB UP 1mo 4d 46m ago 100.0%/99.9%/99.9%/99.8% Match 157.90.112.145 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 5y 1mo 2w ago 1mo 4d 57m ago 2a01:4f8:c2c:e8a0::1