View Contact IT <tor AT informatik dot uni-bremen dot de> Details

📋 Contact & Network Overview

  • Contact: IT <tor AT informatik dot uni-bremen dot de>
  • Hash: 00c4fc36ae2681346b625eadf6e99bb3
  • Countries: Germany Germany (1)
Network Summary:
  • Bandwidth Capacity: ~506.33 Mbit/s (506.33 Mbit/s guard)
  • Total Data Transferred: 4.9 PB (0.08% of 5yr network data)
  • Network Influence: 0.05% of overall consensus weight (0.09% guard)
  • Network Position: Guard-only (1 total relay, 1 guard)

📊 Operator Intelligence

  • Network Diversity: Great, 1 network (epic)
  • Geographic Diversity: Poor, 1 country
  • Infrastructure Diversity: Poor, 1 platform
  • Bandwidth Capacity Measurements: 1/1 relays measured by authorities
  • Performance Insights: Overall CW/BW: 1485. +27% higher than 1169 network average. 92th percentile with 897 median.
    • Guard CW/BW: 1485. +68% higher than 884 network average. 91th percentile with 974 median.
  • Operational Maturity: Operating since 2022-04-03 (all deployed together)
  • Version Compliance: All, 1 (100%) compliant
    • Version Status: All, 1 (100%) recommended
  • Family Support: 1 None (100%)

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 155.75 Mbit/s avg (1 relays), 1y 159.22 Mbit/s avg (1 relays), 5y 150.68 Mbit/s avg (1 relays)
    • No bandwidth outliers detected
  • Performance Analysis (6mo):
    • Stability: Great (Coefficient of Variation: 0.0% = 0.00 Kbit/s σ / 155.75 Mbit/s μ)
    • Trend: Growth (+52.9%) for most recent (Mar 26 - May 25, 2026) vs least recent (Nov 25 - Jan 24, 2026)
    • Capacity Utilization: 51% of all-time peak capacity (current 6mo avg vs all-time 5yr peak)
Network Comparison:
  • Network Position: Top 25% (75th-95th percentile)
  • Network Contribution: 6mo 155.75 Mbit/s avg (181 days), 1y 159.22 Mbit/s avg (183 days), 5y 150.68 Mbit/s avg (150 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 1/1 relays, from 2026-05-27 05:00:00 UTC

⏰ Relay Reliability

  • Overall Uptime: 30d 100.0% (1 relays), 6mo 100.0% (1 relays), 1y 100.0% (1 relays), 5y 98.4% (1 relays)
    • ✅ No statistical outliers detected - consistent performance across all relays
    • Network Uptime (6mo): 5th Pct: 71%, 25th Pct: 98%, 50th Pct: 100%, 75th Pct: 100%, 90th Pct: 100%, 95th Pct: 100%, 99th Pct: 100%, Operator: 100%
  • Offline: 0 relays
Reliability data available for 1/1 relays, from 2026-05-27 05:00:00 UTC

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 100.0% / 100.0% / 100.0% / 98.2%
⚡ Fast Relay: 100.0% / 100.0% / 100.0% / 98.0%
🟢 Running Operation: 100.0% / 100.0% / 100.0% / 98.4%
🛡️ Entry Guard: 100.0% / 100.0% / 100.0% / 93.6%
📁 Directory Services: 100.0% / 100.0% / 100.0% / 98.4%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-05-27 05:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 155.75 Mbit/s / 159.22 Mbit/s / 150.68 Mbit/s
⚡ Fast Relay: 155.75 Mbit/s / 159.22 Mbit/s / 150.68 Mbit/s
🟢 Running: 155.75 Mbit/s / 159.22 Mbit/s / 150.68 Mbit/s
🎯 Stable Relay: 155.75 Mbit/s / 159.22 Mbit/s / 150.68 Mbit/s
📋 Version 2 Directory: 155.75 Mbit/s / 159.22 Mbit/s / 150.68 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Wed, 27 May 2026 07:15:38 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

Nickname BW Cap (506.33 Mbit/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
csUniHB 506.33 Mbit/s   ✓ 4.9 PB UP 1d 5h 14m ago 100.0%/100.0%/100.0%/98.4% —/—/—/93.6% 134.102.200.101 FastGuardRunningStableV2DirValid NA None Germany DE AS680 Verein zur... Linux 4y 1mo 3w ago 1d 5h 15m ago N/A