View Contact Nickolai Zeldovich <nickolai AT csail dot mit dot edu> Details

📋 Contact & Network Overview

Network Summary:
  • Bandwidth Capacity: ~331.18 Mbit/s (331.18 Mbit/s guard)
  • Network Influence: 0.01% of overall consensus weight (0.02% guard)
  • Network Position: Guard-only (4 total relays, 4 guards)

📊 Operator Intelligence

  • Network Diversity: Poor, 1 network
  • Geographic Diversity: Poor, 1 country
  • Infrastructure Diversity: Poor, 1 platform, 1 version
  • Bandwidth Capacity Measurements: 4/4 relays measured by authorities
  • Performance Insights: Overall CW/BW: 560. -53% lower than 1202 network average. 33th percentile with 898 median.
    • Guard CW/BW: 560. -42% lower than 958 network average. 20th percentile with 1032 median.
  • Operational Maturity: Operating since 2026-04-06 (all deployed together)
  • Version Compliance: All, 4 (100%) compliant
    • Version Status: All, 4 (100%) recommended

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 15.24 Mbit/s avg (4 relays), 1y 13.56 Mbit/s avg (4 relays), 5y 17.11 Mbit/s avg (4 relays)
    • No bandwidth outliers detected
  • Performance Analysis (6mo):
    • Stability: Great (Coefficient of Variation: 11.7% = 1.78 Mbit/s σ / 15.24 Mbit/s μ)
    • Trend: Stable (+2.5%) for most recent (Apr 12 - Jun 11, 2026) vs least recent (Dec 11 - Feb 09, 2026)
    • Capacity Utilization: 16% of all-time peak capacity (current 6mo avg vs all-time 5yr peak)
Network Comparison:
  • Network Position: Top 50% (50th-75th percentile)
  • Network Contribution: 6mo 60.97 Mbit/s avg (182 days), 1y 54.25 Mbit/s avg (183 days), 5y 57.12 Mbit/s avg (77 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 0/4 relays

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 15.24 Mbit/s / 13.56 Mbit/s / 17.11 Mbit/s
⚡ Fast Relay: 15.24 Mbit/s / 13.56 Mbit/s / 17.11 Mbit/s
🟢 Running: 15.24 Mbit/s / 13.56 Mbit/s / 17.11 Mbit/s
🎯 Stable Relay: 15.24 Mbit/s / 13.56 Mbit/s / 17.11 Mbit/s
📋 Version 2 Directory: 15.24 Mbit/s / 13.56 Mbit/s / 17.11 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Sat, 13 Jun 2026 05:37:52 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

Nickname BW Cap (331.18 Mbit/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
pdos00 (4) 96.89 Mbit/s    UP 2d 23h 32m ago 0.0%/0.0%/0.0%/0.0% N/A 128.52.132.189 Fast Guard Running Stable V2Dir Valid United States of America US AS3 Unknown Linux 2mo 1w 6h ago 2d 23h 34m ago
pdos02 (4) 89.91 Mbit/s    UP 2d 23h 32m ago 0.0%/0.0%/0.0%/0.0% N/A 128.52.132.189 Fast Guard Running Stable V2Dir Valid United States of America US AS3 Unknown Linux 2mo 1w 6h ago 2d 23h 34m ago
pdos01 (4) 76.80 Mbit/s    UP 2d 23h 32m ago 0.0%/0.0%/0.0%/0.0% N/A 128.52.132.189 Fast Guard Running Stable V2Dir Valid United States of America US AS3 Unknown Linux 2mo 1w 6h ago 2d 23h 34m ago
pdos (4) 67.58 Mbit/s    UP 2d 23h 32m ago 0.0%/0.0%/0.0%/0.0% N/A 128.52.132.189 Fast Guard Running Stable V2Dir Valid United States of America US AS3 Unknown Linux 2mo 1w 6h ago 2d 23h 34m ago