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: ~4.34 Gbit/s (0.07 Gbit/s guard, 4.27 Gbit/s middle)
  • Total Data Transferred: 35 PB (0.55% of 5yr network data)
  • Overloaded: 11.1% (1 of 9 relays)
  • Network Influence: 0.42% of overall consensus weight (0.01% guard, 3.21% middle)
  • Network Position: Balanced (9 total relays, 1 guard, 8 middles)

📊 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: 1775. +45% higher than 1224 network average. 91th percentile with 832 median.
    • Guard CW/BW: 1147. +18% higher than 969 network average. 61th percentile with 937 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 93.8% (9 relays), 6mo 98.6% (9 relays), 1y 99.4% (9 relays), 5y 97.9% (9 relays)
    • Outlier (6mo: ≥2σ 97.7% 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 2026-08-10 21:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 219.14 Mbit/s avg (9 relays), 1y 224.67 Mbit/s avg (9 relays), 5y 212.37 Mbit/s avg (9 relays)
  • Performance Analysis (6mo):
    • Stability: Good (Coefficient of Variation: 32.4% = 70.98 Mbit/s σ / 219.14 Mbit/s μ)
    • Trend: Stable (-2.0%) for most recent (Jun 10 - Aug 09, 2026) vs least recent (Feb 09 - Apr 10, 2026)
    • Capacity Utilization: 47% 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 1.97 Gbit/s avg (181 days), 1y 2.02 Gbit/s avg (183 days), 5y 867.28 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 2026-08-10 21:00:00 UTC

🏆 AROI Champion Rankings

2 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 96.4% / 99.2% / 99.7% / 98.2%
⚡ Fast Relay: 93.8% / 98.6% / 99.4% / 97.8%
🟢 Running Operation: 93.8% / 98.6% / 99.4% / 97.9%
🛡️ Entry Guard: 99.5% / 99.9% / 99.9% / 99.8%
📂 Hidden Services: 65.3% / 75.3% / 80.1% / 80.0%
📁 Directory Services: 93.8% / 98.6% / 99.4% / 97.9%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-08-10 21:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 32.28 Mbit/s / 30.41 Mbit/s / 35.85 Mbit/s
⚡ Fast Relay: 219.14 Mbit/s / 224.67 Mbit/s / 212.37 Mbit/s
🟢 Running: 219.14 Mbit/s / 224.67 Mbit/s / 212.37 Mbit/s
📁 Hidden Service Directory: 32.28 Mbit/s / 30.41 Mbit/s / 35.85 Mbit/s
🎯 Stable Relay: 144.81 Mbit/s / 148.57 Mbit/s / 140.28 Mbit/s
📋 Version 2 Directory: 219.14 Mbit/s / 224.67 Mbit/s / 212.37 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Tue, 11 Aug 2026 08:02:23 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

✓ VALIDATED RELAYS (9)

Status Nickname BW Cap (4.34 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) 752.60 Mbit/s   ✓ 4.2 PB UP 1d 11h 55m ago 93.0%/98.5%/99.4%/97.7% —/—/—/97.4% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 12h 2m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 750.21 Mbit/s   ✓ 4.0 PB UP 1d 3h 38m ago 93.1%/98.5%/99.4%/97.7% —/—/—/97.5% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 3h 44m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 718.53 Mbit/s   ✓ 4.3 PB UP 1d 11h 55m ago 93.1%/98.5%/99.4%/97.7% —/—/—/97.5% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 12h 2m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 521.58 Mbit/s   ✓ 4.3 PB UP 1d 11h 55m ago 93.4%/98.6%/99.4%/97.7% —/—/—/97.5% 137.226.34.45 FastRunningStableV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 12h 2m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 438.77 Mbit/s   ✓ 3.9 PB UP 1d 11h 55m ago 93.3%/98.5%/99.4%/97.7% —/—/—/97.6% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 12h 2m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 385.94 Mbit/s   ✓ 4.2 PB UP 1d 11h 55m ago 92.9%/98.4%/99.3%/97.7% —/—/—/97.5% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 4w ago 1d 12h 2m ago N/A
✓ FTPhalifaxRWTH (9) 354.11 Mbit/s   ✓ 4.0 PB UP 1d 11h 55m ago 93.3%/98.4%/99.4%/97.7% —/—/—/97.4% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 12h 2m ago 2a00:8a60:e012:a00::9001
✓ FTPhalifaxRWTH (9) 345.33 Mbit/s   ✓ 4.2 PB UP 1d 3h 38m ago 93.0%/98.5%/99.4%/97.8% —/—/—/97.7% 137.226.34.45 FastRunningV2DirValid NA Happy Families Germany DE AS47610 RWTH Aachen University Linux 2y 2mo 3w ago 1d 3h 44m ago 2a00:8a60:e012:a00::9001
✓ COtto (9) 69.74 Mbit/s   ✓ 1.4 PB UP 1w 5d 2h ago 99.5%/99.9%/99.9%/99.8% Match 157.90.112.145 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 5y 4w 17h ago 1w 5d 2h ago 2a01:4f8:c2c:e8a0::1