65,536 routable4 ASes
/16 subnet
161.221.0.0/16
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
40
announced prefixes
28
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 IP280.04%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP2,5603.91%
- None here
- None here
- None here
- None here
- 0.01%
- None here
- 0.02%
- Web IP470.07%
- 0.00%
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 |
|---|---|---|---|---|---|
| 161.221.0.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.1.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.2.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.3.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.4.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.5.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.6.0/24 | AS8075Microsoft Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.10.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 18 | 2026-10-02 |
| 161.221.11.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.12.0/24 | AS13313Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.13.0/24 | AS13313Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.18.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.20.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.24.0/24 | AS31898Oracle Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.25.0/24 | AS31898Oracle Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.28.0/24 | AS31898Oracle Corporation | United States | Valid | 17 | 2026-10-02 |
| 161.221.74.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.74.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.75.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.76.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.76.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.77.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.78.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.78.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.79.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.80.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.80.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.81.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 1 | 2026-10-02 |
| 161.221.82.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.84.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.85.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.87.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.90.0/23 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.90.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.91.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.92.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.94.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.95.0/24 | AS39960Barnes & Noble Inc. | United States | Not found | 17 | 2026-10-02 |
| 161.221.97.0/24 | AS39960Barnes & Noble Inc. | United States | Valid | 17 | 2026-10-02 |
| 161.221.98.0/24 | AS39960Barnes & Noble Inc. | United States | Valid | 17 | 2026-10-02 |
Every /24 inside it
00 · Evaluate
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01 · License
Then license what you use.
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Annual terms, a named contact, and monthly, quarterly or yearly payment.