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: ~3.25 Gbit/s (2.73 Gbit/s guard, 0.51 Gbit/s middle)
  • Total Data Transferred: 34 PB (0.53% of 5yr network data)
  • Overloaded: 55.6% (5 of 9 relays)
  • Network Influence: 0.26% of overall consensus weight (0.43% guard, 0.25% middle)
  • Network Position: Guard-focused (9 total relays, 8 guards, 1 middle)

📊 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: 1262. +2% higher than 1241 network average. 69th percentile with 834 median.
    • Guard CW/BW: 1288. +40% higher than 921 network average. 71th percentile with 915 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 98.4% (9 relays), 6mo 99.5% (9 relays), 1y 99.8% (9 relays), 5y 97.9% (9 relays)
    • Outlier (6mo: ≥2σ 99.1% from μ 99.5%): 1 relays out of 9 relays (11.1%)Exceptional: 1 relay
    • Network Uptime (6mo): 5th Pct: 78%, 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 2026-07-18 23:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 228.31 Mbit/s avg (9 relays), 1y 229.26 Mbit/s avg (9 relays), 5y 212.97 Mbit/s avg (9 relays)
  • Performance Analysis (6mo):
    • Stability: Good (Coefficient of Variation: 32.9% = 75.03 Mbit/s σ / 228.31 Mbit/s μ)
    • Trend: Growth (+7.3%) for most recent (May 18 - Jul 17, 2026) vs least recent (Jan 17 - Mar 18, 2026)
    • Capacity Utilization: 49% of all-time peak capacity (current 6mo avg vs all-time 5yr peak)
    • Bandwidth Outliers: 1 relay with unusual bandwidth patterns, Low: COtto
Network Comparison:
  • Network Position: Top 25% (75th-95th percentile)
  • Network Contribution: 6mo 2.05 Gbit/s avg (181 days), 1y 2.06 Gbit/s avg (183 days), 5y 849.00 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 2026-07-18 23:00:00 UTC

🏆 AROI Champion Rankings

2 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 97.9% / 99.4% / 99.7% / 96.8%
⚡ Fast Relay: 98.4% / 99.5% / 99.8% / 97.7%
🟢 Running Operation: 98.4% / 99.5% / 99.8% / 97.9%
🛡️ Entry Guard: 98.4% / 99.5% / 99.8% / 93.4%
📂 Hidden Services: 38.3% / 71.1% / 77.6% / 80.4%
📁 Directory Services: 98.4% / 99.5% / 99.8% / 97.9%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-07-18 23:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 226.94 Mbit/s / 227.11 Mbit/s / 210.96 Mbit/s
⚡ Fast Relay: 228.31 Mbit/s / 229.26 Mbit/s / 212.97 Mbit/s
🟢 Running: 228.31 Mbit/s / 229.26 Mbit/s / 212.97 Mbit/s
📁 Hidden Service Directory: 256.19 Mbit/s / 258.29 Mbit/s / 241.21 Mbit/s
🎯 Stable Relay: 228.31 Mbit/s / 229.26 Mbit/s / 212.97 Mbit/s
📋 Version 2 Directory: 228.31 Mbit/s / 229.26 Mbit/s / 212.97 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Sun, 19 Jul 2026 12:01:52 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

✓ VALIDATED RELAYS (9)

Status Nickname BW Cap (3.25 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
✓ COtto (9) 68.89 Mbit/s   ✓ 1.4 PB UP 3w 1d 9h ago 99.3%/99.9%/100.0%/99.8% Match 157.90.112.145 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 5y 5d 21h ago 3w 1d 9h ago 2a01:4f8:c2c:e8a0::1
✓ FTPhalifaxRWTH (9) 367.73 Mbit/s   ✓ 4.1 PB UP 1w 2h 18m ago 97.9%/99.3%/99.7%/97.6% —/—/—/92.4% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 5d ago 1w 2h 24m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 398.38 Mbit/s   ✓ 3.8 PB UP 1w 2h 19m ago 98.5%/99.4%/99.8%/97.7% —/—/—/91.9% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 1w 2h 25m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 413.37 Mbit/s   ✓ 4.1 PB UP 6d 15h 8m ago 98.1%/99.4%/99.7%/97.7% —/—/—/93.0% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 6d 15h 14m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 514.37 Mbit/s   ✓ 3.9 PB UP 1w 2h 18m ago 98.1%/99.4%/99.7%/97.6% —/—/—/97.4% 137.226.34.45 FastRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 1w 2h 24m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 418.19 Mbit/s   ✓ 4.2 PB UP 1w 4h 26s ago 98.5%/99.5%/99.8%/97.7% —/—/—/92.4% 137.226.34.45 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 1w 4h 6m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 396.41 Mbit/s   ✓ 4.2 PB UP 1w 1h 29m ago 98.2%/99.4%/99.7%/97.7% —/—/—/92.5% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 1w 1h 35m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 324.44 Mbit/s   ✓ 4.1 PB UP 1w 2h 5m ago 98.5%/99.4%/99.7%/97.6% —/—/—/92.3% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 1w 2h 11m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 344.80 Mbit/s   ✓ 3.9 PB UP 6d 23h 43m ago 98.3%/99.4%/99.7%/97.7% —/—/—/92.4% 137.226.34.45 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 2d ago 6d 23h 49m ago 2a00:8a60:e012:a00::9001