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 (16y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 100.16.200.0/21
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 100.16.200.0/22 | 1.0K | Verizon Business | AS701 | US |
| 100.16.206.0/23 | 512 | Verizon Business | AS701 | US |
| 100.16.204.0/24 | 256 | Verizon Business | AS701 | US |
| 100.16.205.128/25 | 128 | Verizon Business | AS701 | US |
| 100.16.205.64/26 | 64 | Verizon Business | AS701 | US |
| 100.16.205.0/27 | 32 | Verizon Business | AS701 | US |
| 100.16.205.32/28 | 16 | Verizon Business | AS701 | US |
| 100.16.205.48/29 | 8 | Verizon Business | AS701 | US |
| 100.16.205.60/30 | 4 | Verizon Business | AS701 | US |
| 100.16.205.56/31 | 2 | Verizon Business | AS701 | US |
| 100.16.205.59/32 | 1 | Verizon Business | AS701 | US |
Geolocation
First 256 of 2,048 IP addresses in 100.16.200.0/21
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 100.16.0.0/16.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 100.16.200.0/21?
100.16.200.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 100.16.200.0 to 100.16.207.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 100.16.200.0/21 network?
The 100.16.200.0/21 range is allocated to Verizon Business and announced via AS701 from United States.