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 (27y) +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 63.71.0.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 63.71.64.0/18 | 16.4K | Verizon Business | AS701 | US |
| 63.71.64.0/18 | 16.4K | Verizon Business | AS701 | US |
| 63.71.64.0/19 | 8.2K | — | — | US |
| 63.71.32.0/19 | 8.2K | Verizon Business | AS701 | US |
| 63.71.32.0/19 | 8.2K | Verizon Business | AS701 | US |
| 63.71.32.0/19 | 8.2K | — | — | US |
| 63.71.64.0/20 | 4.1K | — | — | US |
| 63.71.112.0/20 | 4.1K | — | — | US |
| 63.71.80.0/20 | 4.1K | — | — | US |
| 63.71.96.0/20 | 4.1K | — | — | US |
| 63.71.16.0/20 | 4.1K | — | — | US |
| 63.71.16.0/20 | 4.1K | Verizon Business | AS701 | US |
| 63.71.16.0/20 | 4.1K | Verizon Business | AS701 | US |
| 63.71.8.0/21 | 2.0K | — | — | US |
| 63.71.8.0/21 | 2.0K | Zix Corporation | AS13380 | US |
| 63.71.8.0/21 | 2.0K | Zix Corporation | AS13380 | US |
| 63.71.0.0/21 | 2.0K | Verizon Business | AS701 | US |
| 63.71.0.0/21 | 2.0K | — | — | US |
| 63.71.4.0/22 | 1.0K | Verizon Business | AS701 | US |
| 63.71.0.0/23 | 512 | Verizon Business | AS701 | US |
| 63.71.2.0/24 | 256 | Verizon Business | AS701 | US |
| 63.71.3.0/24 | 256 | Angelo, Gordon & Co., L.P. | AS13570 | US |
Geolocation
First 256 of 32,768 IP addresses in 63.71.0.0/17
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 63.64.0.0/12.
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 63.71.0.0/17?
63.71.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 63.71.0.0 to 63.71.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 63.71.0.0/17 network?
The 63.71.0.0/17 range is allocated to an unknown organization from United States.