65,536 routable9 ASes
/16 subnet
124.138.0.0/16
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
9
announcing ASes
19
announced prefixes
0
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.
- AS18302SK Telecom60,160 · 91.80%
- AS38417Gyeonggi Province Gapyeong office of Education1,536 · 2.34%
- AS38398Gyeonggi Uijeongbu office of Education1,280 · 1.95%
- AS38395GwangJuHaNam Office of Education512 · 0.78%
- AS38405Gwang Myeong Office of Education512 · 0.78%
- AS38411Yongin office of education512 · 0.78%
- AS38412Gyeonggi-Do Icheon office of Education512 · 0.78%
- AS38406Kyeonggi-Do Hwaseong Office of Education256 · 0.39%
- AS38416Gyeonggi Yeoncheon Office of Education256 · 0.39%
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.
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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 |
|---|---|---|---|---|---|
| 124.138.122.0/24 | AS38412Gyeonggi-Do Icheon office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.123.0/24 | AS38412Gyeonggi-Do Icheon office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.128.0/24 | AS38411Yongin office of education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.129.0/24 | AS38411Yongin office of education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.135.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.137.0/24 | AS38406Kyeonggi-Do Hwaseong Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.145.0/24 | AS38416Gyeonggi Yeoncheon Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.152.0/24 | AS38405Gwang Myeong Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.153.0/24 | AS38405Gwang Myeong Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.164.0/24 | AS38395GwangJuHaNam Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.165.0/24 | AS38395GwangJuHaNam Office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.175.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.187.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.191.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.236.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.237.0/24 | AS38417Gyeonggi Province Gapyeong office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.250.0/23 | AS38398Gyeonggi Uijeongbu office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.252.0/23 | AS38398Gyeonggi Uijeongbu office of Education | South Korea | Not found | 18 | 2026-10-02 |
| 124.138.254.0/24 | AS38398Gyeonggi Uijeongbu office of Education | South Korea | Not found | 18 | 2026-10-02 |
Every /24 inside it
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