65,536 routable4 ASes
/16 subnet
121.135.0.0/16
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
7
announced prefixes
515
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 IP1980.30%
- 0.50%
- 0.05%
- 0.01%
- None here
- None here
- None here
- None here
- None here
- Carrier IP30,97647.27%
- None here
- None here
- SSH IP1920.29%
- 0.01%
- 0.20%
- Web IP1,2261.87%
- 1.46%
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 |
|---|---|---|---|---|---|
| 121.135.53.0/24 | AS38697Hankyong National Univercity | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.54.0/24 | AS38697Hankyong National Univercity | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.55.0/24 | AS38697Hankyong National Univercity | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.56.0/24 | AS38697Hankyong National Univercity | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.147.0/24 | AS46002PHIS | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.148.0/24 | AS46002PHIS | South Korea | Not found | 18 | 2026-10-02 |
| 121.135.246.0/24 | AS9696Oscar Enterprise | South Korea | Not found | 18 | 2026-10-02 |
Every /24 inside it
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