View Contact Nickolai Zeldovich <nickolai AT csail dot mit dot edu> Details
📋 Contact & Network Overview
- Contact: Nickolai Zeldovich <nickolai AT csail dot mit dot edu>
- Hash: 93fef766c4eea9dff7737eca1d6b50cb
- Countries:
United States of America (4)
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 |
|
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 |
|
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 |
|
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 |
|
US
|
AS3 | Unknown | Linux | 2mo 1w 6h ago | 2d 23h 34m ago |