256 routable1 ASes
/24 subnet
203.78.12.0/24
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.
- Singapore256 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS18402NATIONAL LIBRARY BOARD256 · 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
- None here
- 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 |
|---|---|---|---|---|---|
| 203.78.12.0/24 | AS18402NATIONAL LIBRARY BOARD | Singapore | not found | 16 | 2026-10-02 |
Every address
203.78.12.0203.78.12.1203.78.12.2203.78.12.3203.78.12.4203.78.12.5203.78.12.6203.78.12.7203.78.12.8203.78.12.9203.78.12.10203.78.12.11203.78.12.12203.78.12.13203.78.12.14203.78.12.15203.78.12.16203.78.12.17203.78.12.18203.78.12.19203.78.12.20203.78.12.21203.78.12.22203.78.12.23203.78.12.24203.78.12.25203.78.12.26203.78.12.27203.78.12.28203.78.12.29203.78.12.30203.78.12.31203.78.12.32203.78.12.33203.78.12.34203.78.12.35203.78.12.36203.78.12.37203.78.12.38203.78.12.39203.78.12.40203.78.12.41203.78.12.42203.78.12.43203.78.12.44203.78.12.45203.78.12.46203.78.12.47203.78.12.48203.78.12.49203.78.12.50203.78.12.51203.78.12.52203.78.12.53203.78.12.54203.78.12.55203.78.12.56203.78.12.57203.78.12.58203.78.12.59203.78.12.60203.78.12.61203.78.12.62203.78.12.63203.78.12.64203.78.12.65203.78.12.66203.78.12.67203.78.12.68203.78.12.69203.78.12.70203.78.12.71203.78.12.72203.78.12.73203.78.12.74203.78.12.75203.78.12.76203.78.12.77203.78.12.78203.78.12.79203.78.12.80203.78.12.81203.78.12.82203.78.12.83203.78.12.84203.78.12.85203.78.12.86203.78.12.87203.78.12.88203.78.12.89203.78.12.90203.78.12.91203.78.12.92203.78.12.93203.78.12.94203.78.12.95203.78.12.96203.78.12.97203.78.12.98203.78.12.99203.78.12.100203.78.12.101203.78.12.102203.78.12.103203.78.12.104203.78.12.105203.78.12.106203.78.12.107203.78.12.108203.78.12.109203.78.12.110203.78.12.111203.78.12.112203.78.12.113203.78.12.114203.78.12.115203.78.12.116203.78.12.117203.78.12.118203.78.12.119203.78.12.120203.78.12.121203.78.12.122203.78.12.123203.78.12.124203.78.12.125203.78.12.126203.78.12.127203.78.12.128203.78.12.129203.78.12.130203.78.12.131203.78.12.132203.78.12.133203.78.12.134203.78.12.135203.78.12.136203.78.12.137203.78.12.138203.78.12.139203.78.12.140203.78.12.141203.78.12.142203.78.12.143203.78.12.144203.78.12.145203.78.12.146203.78.12.147203.78.12.148203.78.12.149203.78.12.150203.78.12.151203.78.12.152203.78.12.153203.78.12.154203.78.12.155203.78.12.156203.78.12.157203.78.12.158203.78.12.159203.78.12.160203.78.12.161203.78.12.162203.78.12.163203.78.12.164203.78.12.165203.78.12.166203.78.12.167203.78.12.168203.78.12.169203.78.12.170203.78.12.171203.78.12.172203.78.12.173203.78.12.174203.78.12.175203.78.12.176203.78.12.177203.78.12.178203.78.12.179203.78.12.180203.78.12.181203.78.12.182203.78.12.183203.78.12.184203.78.12.185203.78.12.186203.78.12.187203.78.12.188203.78.12.189203.78.12.190203.78.12.191203.78.12.192203.78.12.193203.78.12.194203.78.12.195203.78.12.196203.78.12.197203.78.12.198203.78.12.199203.78.12.200203.78.12.201203.78.12.202203.78.12.203203.78.12.204203.78.12.205203.78.12.206203.78.12.207203.78.12.208203.78.12.209203.78.12.210203.78.12.211203.78.12.212203.78.12.213203.78.12.214203.78.12.215203.78.12.216203.78.12.217203.78.12.218203.78.12.219203.78.12.220203.78.12.221203.78.12.222203.78.12.223203.78.12.224203.78.12.225203.78.12.226203.78.12.227203.78.12.228203.78.12.229203.78.12.230203.78.12.231203.78.12.232203.78.12.233203.78.12.234203.78.12.235203.78.12.236203.78.12.237203.78.12.238203.78.12.239203.78.12.240203.78.12.241203.78.12.242203.78.12.243203.78.12.244203.78.12.245203.78.12.246203.78.12.247203.78.12.248203.78.12.249203.78.12.250203.78.12.251203.78.12.252203.78.12.253203.78.12.254203.78.12.255
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