65,536 routable10 ASes
/16 subnet
203.250.0.0/16
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
10
announcing ASes
74
announced prefixes
275
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.
- AS1237KISTI35,328 · 53.91%
- AS9868Catholic University of DAEGU8,192 · 12.50%
- AS55618UNIVERSITY OF ULSAN8,192 · 12.50%
- AS9982PAICHAI UNIVERSITY6,144 · 9.38%
- AS9708Pukyong National University2,048 · 3.13%
- AS55589Korea Institute of Industrial Technology1,792 · 2.73%
- AS4766Korea Telecom1,280 · 1.95%
- AS9521Korea Automotive Technology Institute1,024 · 1.56%
- AS17595Korea Institute of Nuclear Safety1,024 · 1.56%
- AS9769Sejong University512 · 0.78%
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 IP160.02%
- 0.40%
- 0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- Carrier IP1,0241.56%
- None here
- None here
- SSH IP160.02%
- 0.01%
- 0.05%
- Web IP7291.11%
- 0.01%
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 |
|---|---|---|---|---|---|
| 203.250.0.0/19 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.32.0/21 | AS9868Catholic University of DAEGU | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.40.0/21 | AS9868Catholic University of DAEGU | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.48.0/21 | AS9868Catholic University of DAEGU | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.56.0/21 | AS9868Catholic University of DAEGU | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.64.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.65.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.66.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.67.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.68.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.69.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.70.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.71.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.72.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.73.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.74.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.75.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.76.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.77.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.78.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.79.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.80.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.81.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.82.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.83.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.84.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.85.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.86.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.87.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.88.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.89.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.90.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.91.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.92.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.93.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.94.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.95.0/24 | AS55618UNIVERSITY OF ULSAN | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.96.0/21 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.104.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.105.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.106.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.107.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.108.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.109.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.110.0/24 | AS1237KISTI | South Korea | Valid | 18 | 2026-10-02 |
| 203.250.111.0/24 | AS55589Korea Institute of Industrial Technology | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.112.0/21 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.120.0/21 | AS9708Pukyong National University | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.128.0/20 | AS9982PAICHAI UNIVERSITY | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.144.0/22 | AS9982PAICHAI UNIVERSITY | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.148.0/23 | AS9769Sejong University | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.148.0/24 | AS9769Sejong University | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.149.0/24 | AS9769Sejong University | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.150.0/23 | AS4766Korea Telecom | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.152.0/23 | AS4766Korea Telecom | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.154.0/24 | AS4766Korea Telecom | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.155.0/24 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.156.0/22 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.156.0/24 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.160.0/21 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.168.0/22 | AS17595Korea Institute of Nuclear Safety | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.168.0/23 | AS17595Korea Institute of Nuclear Safety | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.170.0/23 | AS17595Korea Institute of Nuclear Safety | South Korea | Not found | 20 | 2026-10-02 |
| 203.250.172.0/22 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.176.0/21 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.182.0/24 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.183.0/24 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
| 203.250.184.0/24 | AS9521Korea Automotive Technology Institute | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.185.0/24 | AS9521Korea Automotive Technology Institute | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.186.0/24 | AS9521Korea Automotive Technology Institute | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.187.0/24 | AS9521Korea Automotive Technology Institute | South Korea | Not found | 18 | 2026-10-02 |
| 203.250.188.0/22 | AS9982PAICHAI UNIVERSITY | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.191.0/24 | AS9982PAICHAI UNIVERSITY | South Korea | Not found | 17 | 2026-10-02 |
| 203.250.192.0/18 | AS1237KISTI | South Korea | Valid | 20 | 2026-10-02 |
Every /24 inside it
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.