65,536 routable4 ASes
/16 subnet
128.57.0.0/16
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
4
announcing ASes
17
announced prefixes
40
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.
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 |
|---|---|---|---|---|---|
| 128.57.0.0/20 | AS4922Shenandoah Cable Television LLC | United States | Not found | 17 | 2026-10-02 |
| 128.57.47.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.50.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.60.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.61.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.62.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.89.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.90.0/24 | AS264SRI International | United States | Not found | 1 | 2026-10-02 |
| 128.57.92.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.93.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.128.0/23 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.136.0/23 | AS53434SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.186.0/24 | AS24155Asia Pacific Broadband Wireless Communications Inc | United States | Not found | 17 | 2026-10-02 |
| 128.57.208.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.209.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.216.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
| 128.57.217.0/24 | AS264SRI International | United States | Not found | 17 | 2026-10-02 |
Every /24 inside it
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