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
- Established allocation (14y) +3
- Trust score 68 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 100.200.0.0/16
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 100.200.192.0/18 | 16.4K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.64.0/18 | 16.4K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.160.0/19 | 8.2K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.32.0/19 | 8.2K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.128.0/20 | 4.1K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.16.0/20 | 4.1K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.8.0/21 | 2.0K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.152.0/21 | 2.0K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.4.0/22 | 1.0K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.144.0/22 | 1.0K | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.2.0/23 | 512 | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.148.0/23 | 512 | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.1.0/24 | 256 | T-Mobile USA, Inc. | AS21928 | IR |
| 100.200.151.0/24 | 256 | T-Mobile USA, Inc. | AS21928 | US |
| 100.200.150.0/24 | 256 | T-Mobile USA, Inc. | AS21928 | IN |
| 100.200.0.0/24 | 256 | T-Mobile USA, Inc. | AS21928 | US |
Geolocation
First 256 of 65,536 IP addresses in 100.200.0.0/16
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 100.128.0.0/9.
Frequently Asked Questions
What is 100.200.0.0/16?
100.200.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 100.200.0.0 to 100.200.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 100.200.0.0/16 network?
The 100.200.0.0/16 range is allocated to T-Mobile USA, Inc. and announced via AS21928 from United States.