65,536 routable2 ASes
/16 subnet
66.76.0.0/16
Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.
65,536
routable addresses
65,536
geolocated
1
country
2
announcing ASes
23
announced prefixes
2,305
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- United States65,536 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- VPN IP2,1123.22%
- 0.34%
- None here
- None here
- None here
- None here
- Hosting IP1,7922.73%
- None here
- None here
- None here
- SSH IP2610.40%
- SMTP IP160.02%
- 0.06%
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 66.76.0.0/16 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.0.0/17 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.6.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.80.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.114.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.128.0/18 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.163.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.173.0/24 | AS400947Shannon Medical Center | United States | valid | 16 | 2026-10-02 |
| 66.76.174.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.176.0/20 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.192.0/20 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.193.0/24 | AS19108Optimum | United States | not found | 4 | 2026-10-02 |
| 66.76.194.0/24 | AS19108Optimum | United States | not found | 4 | 2026-10-02 |
| 66.76.202.0/23 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.215.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.216.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.217.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.220.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.221.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.222.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.223.0/24 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.224.0/20 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
| 66.76.240.0/20 | AS19108Optimum | United States | not found | 16 | 2026-10-02 |
Every /24 inside it
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.