256 routable1 ASes
/24 subnet
203.243.42.0/24
Where this /24 is, who announces it, and what our databases hold in it, then each of its 256 addresses, every one with its own page.
256
routable addresses
256
geolocated
1
country
1
announcing AS
1
announced prefix
0
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- South Korea256 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS18034Gangneung-Wonju National University256 · 100.00%
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Carrier IP256100.00%
- None here
- None here
- None here
- None here
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 |
|---|---|---|---|---|---|
| 203.243.42.0/24 | AS18034Gangneung-Wonju National University | South Korea | not found | 19 | 2026-10-02 |
Every address
203.243.42.0203.243.42.1203.243.42.2203.243.42.3203.243.42.4203.243.42.5203.243.42.6203.243.42.7203.243.42.8203.243.42.9203.243.42.10203.243.42.11203.243.42.12203.243.42.13203.243.42.14203.243.42.15203.243.42.16203.243.42.17203.243.42.18203.243.42.19203.243.42.20203.243.42.21203.243.42.22203.243.42.23203.243.42.24203.243.42.25203.243.42.26203.243.42.27203.243.42.28203.243.42.29203.243.42.30203.243.42.31203.243.42.32203.243.42.33203.243.42.34203.243.42.35203.243.42.36203.243.42.37203.243.42.38203.243.42.39203.243.42.40203.243.42.41203.243.42.42203.243.42.43203.243.42.44203.243.42.45203.243.42.46203.243.42.47203.243.42.48203.243.42.49203.243.42.50203.243.42.51203.243.42.52203.243.42.53203.243.42.54203.243.42.55203.243.42.56203.243.42.57203.243.42.58203.243.42.59203.243.42.60203.243.42.61203.243.42.62203.243.42.63203.243.42.64203.243.42.65203.243.42.66203.243.42.67203.243.42.68203.243.42.69203.243.42.70203.243.42.71203.243.42.72203.243.42.73203.243.42.74203.243.42.75203.243.42.76203.243.42.77203.243.42.78203.243.42.79203.243.42.80203.243.42.81203.243.42.82203.243.42.83203.243.42.84203.243.42.85203.243.42.86203.243.42.87203.243.42.88203.243.42.89203.243.42.90203.243.42.91203.243.42.92203.243.42.93203.243.42.94203.243.42.95203.243.42.96203.243.42.97203.243.42.98203.243.42.99203.243.42.100203.243.42.101203.243.42.102203.243.42.103203.243.42.104203.243.42.105203.243.42.106203.243.42.107203.243.42.108203.243.42.109203.243.42.110203.243.42.111203.243.42.112203.243.42.113203.243.42.114203.243.42.115203.243.42.116203.243.42.117203.243.42.118203.243.42.119203.243.42.120203.243.42.121203.243.42.122203.243.42.123203.243.42.124203.243.42.125203.243.42.126203.243.42.127203.243.42.128203.243.42.129203.243.42.130203.243.42.131203.243.42.132203.243.42.133203.243.42.134203.243.42.135203.243.42.136203.243.42.137203.243.42.138203.243.42.139203.243.42.140203.243.42.141203.243.42.142203.243.42.143203.243.42.144203.243.42.145203.243.42.146203.243.42.147203.243.42.148203.243.42.149203.243.42.150203.243.42.151203.243.42.152203.243.42.153203.243.42.154203.243.42.155203.243.42.156203.243.42.157203.243.42.158203.243.42.159203.243.42.160203.243.42.161203.243.42.162203.243.42.163203.243.42.164203.243.42.165203.243.42.166203.243.42.167203.243.42.168203.243.42.169203.243.42.170203.243.42.171203.243.42.172203.243.42.173203.243.42.174203.243.42.175203.243.42.176203.243.42.177203.243.42.178203.243.42.179203.243.42.180203.243.42.181203.243.42.182203.243.42.183203.243.42.184203.243.42.185203.243.42.186203.243.42.187203.243.42.188203.243.42.189203.243.42.190203.243.42.191203.243.42.192203.243.42.193203.243.42.194203.243.42.195203.243.42.196203.243.42.197203.243.42.198203.243.42.199203.243.42.200203.243.42.201203.243.42.202203.243.42.203203.243.42.204203.243.42.205203.243.42.206203.243.42.207203.243.42.208203.243.42.209203.243.42.210203.243.42.211203.243.42.212203.243.42.213203.243.42.214203.243.42.215203.243.42.216203.243.42.217203.243.42.218203.243.42.219203.243.42.220203.243.42.221203.243.42.222203.243.42.223203.243.42.224203.243.42.225203.243.42.226203.243.42.227203.243.42.228203.243.42.229203.243.42.230203.243.42.231203.243.42.232203.243.42.233203.243.42.234203.243.42.235203.243.42.236203.243.42.237203.243.42.238203.243.42.239203.243.42.240203.243.42.241203.243.42.242203.243.42.243203.243.42.244203.243.42.245203.243.42.246203.243.42.247203.243.42.248203.243.42.249203.243.42.250203.243.42.251203.243.42.252203.243.42.253203.243.42.254203.243.42.255
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