Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (29y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 209.99.137.166
- CIDR range
- 209.99.137.0/24
- IP range (int)
- 3,512,961,280 — 3,512,961,535
- Prefix length
- /24
- Location
- San Francisco, California, United States
- Coordinates
- 37.779400, -122.417600
- Accuracy radius
- 20 km
- Postal code
- 94142
- Regional Internet Registry
- ARIN
- Allocated
- 1997-07-16
- Data source(s)
- maxmind_city, maxmind_country, ipinfo_lite
- Last updated
- 2026-06-09 06:07:04
Frequently Asked Questions
Who owns 209.99.137.166?
209.99.137.166 is allocated to an unknown organization, registered in San Francisco, United States.
Where is 209.99.137.166 located?
The geolocation for 209.99.137.166 maps to San Francisco, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 209.99.137.166 on?
209.99.137.166 belongs to the 209.99.137.0/24 network block. This range contains 256 addresses.
Does 209.99.137.166 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
