Addresses
32,768
32.8K
Sub-ranges
14+
within this block
PTR Density
92.0%
30.2K of 32.8K IPs have PTR
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.
81/100
Trusted
How this score is built
- Baseline (neutral) 65
- Long-established allocation (25y) +6
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 66.104.128.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 66.104.128.0/18 | 16.4K | Verizon Business | AS2828 | US |
| 66.104.192.0/18 | 16.4K | Verizon Business | AS2828 | US |
| 66.104.160.0/19 | 8.2K | Verizon Business | AS2828 | US |
| 66.104.224.0/19 | 8.2K | Verizon Business | AS2828 | US |
| 66.104.224.0/20 | 4.1K | Verizon Business | AS2828 | US |
| 66.104.208.0/20 | 4.1K | Verizon Business | AS2828 | US |
| 66.104.192.0/20 | 4.1K | Verizon Business | AS2828 | US |
| 66.104.128.0/20 | 4.1K | Verizon Business | AS2828 | US |
| 66.104.240.0/20 | 4.1K | Verizon Business | AS2828 | US |
| 66.104.144.0/21 | 2.0K | Verizon Business | AS2828 | US |
| 66.104.156.0/22 | 1.0K | Verizon Business | AS2828 | US |
| 66.104.152.0/23 | 512 | Verizon Business | AS2828 | US |
| 66.104.155.0/24 | 256 | Abercrombie & Fitch | AS16493 | US |
| 66.104.154.0/24 | 256 | Verizon Business | AS2828 | US |
Geolocation
First 256 of 32,768 IP addresses in 66.104.128.0/17
66.104.128.0
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+ 32.5K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 66.104.0.0/14.
Announced prefix
Origin AS
Announcement samples
3,863
Last seen
2026-07-24 10:23:03
Frequently Asked Questions
What is 66.104.128.0/17?
66.104.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 66.104.128.0 to 66.104.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 66.104.128.0/17 network?
The 66.104.128.0/17 range is allocated to Verizon Business and announced via AS2828 from United States.
Last updated: 2026-07-24 10:40:32 UTC
