65,536 routable3 ASes
/16 subnet
221.144.0.0/16
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
3
announcing ASes
3
announced prefixes
720
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- South Korea65,536 · 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 IP4830.74%
- 0.40%
- 0.04%
- 0.00%
- None here
- None here
- Hosting IP13,31220.31%
- None here
- None here
- None here
- SSH IP3920.60%
- SMTP IP1480.23%
- 0.22%
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 |
|---|---|---|---|---|---|
| 221.144.37.0/24 | AS4766Korea Telecom | South Korea | not found | 18 | 2026-10-02 |
| 221.144.152.0/24 | AS55622CNUE | South Korea | not found | 18 | 2026-10-02 |
| 221.144.191.0/24 | AS152198Gangwon State University | South Korea | not found | 18 | 2026-10-02 |
Every /24 inside it
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