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 (15y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 173.252.80.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 173.252.88.0/22 | 1.0K | Facebook, Inc. | AS32934 | US |
| 173.252.80.0/23 | 512 | Facebook, Inc. | AS32934 | US |
| 173.252.82.0/23 | 512 | Facebook, Inc. | AS32934 | US |
| 173.252.84.0/23 | 512 | Facebook, Inc. | AS32934 | US |
| 173.252.92.0/23 | 512 | Facebook, Inc. | AS32934 | US |
| 173.252.86.0/24 | 256 | Facebook, Inc. | AS32934 | US |
| 173.252.87.0/24 | 256 | Facebook, Inc. | AS32934 | US |
| 173.252.94.0/24 | 256 | Facebook, Inc. | AS32934 | US |
| 173.252.95.0/24 | 256 | Facebook, Inc. | AS32934 | US |
First 256 of 4,096 IP addresses in 173.252.80.0/20
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 173.252.64.0/19.
Frequently Asked Questions
What is 173.252.80.0/20?
173.252.80.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 173.252.80.0 to 173.252.95.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 173.252.80.0/20 network?
The 173.252.80.0/20 range is allocated to Facebook, Inc. and announced via AS32934 from United States.