256 routable1 ASes
/24 subnet
209.140.21.0/24
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.
- United States256 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS11042NETWORK TRANSIT HOLDINGS LLC256 · 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
- Hosting IP256100.00%
- 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 |
|---|---|---|---|---|---|
| 209.140.21.0/24 | AS11042NETWORK TRANSIT HOLDINGS LLC | United States | not found | 16 | 2026-10-02 |
Every address
209.140.21.0209.140.21.1209.140.21.2209.140.21.3209.140.21.4209.140.21.5209.140.21.6209.140.21.7209.140.21.8209.140.21.9209.140.21.10209.140.21.11209.140.21.12209.140.21.13209.140.21.14209.140.21.15209.140.21.16209.140.21.17209.140.21.18209.140.21.19209.140.21.20209.140.21.21209.140.21.22209.140.21.23209.140.21.24209.140.21.25209.140.21.26209.140.21.27209.140.21.28209.140.21.29209.140.21.30209.140.21.31209.140.21.32209.140.21.33209.140.21.34209.140.21.35209.140.21.36209.140.21.37209.140.21.38209.140.21.39209.140.21.40209.140.21.41209.140.21.42209.140.21.43209.140.21.44209.140.21.45209.140.21.46209.140.21.47209.140.21.48209.140.21.49209.140.21.50209.140.21.51209.140.21.52209.140.21.53209.140.21.54209.140.21.55209.140.21.56209.140.21.57209.140.21.58209.140.21.59209.140.21.60209.140.21.61209.140.21.62209.140.21.63209.140.21.64209.140.21.65209.140.21.66209.140.21.67209.140.21.68209.140.21.69209.140.21.70209.140.21.71209.140.21.72209.140.21.73209.140.21.74209.140.21.75209.140.21.76209.140.21.77209.140.21.78209.140.21.79209.140.21.80209.140.21.81209.140.21.82209.140.21.83209.140.21.84209.140.21.85209.140.21.86209.140.21.87209.140.21.88209.140.21.89209.140.21.90209.140.21.91209.140.21.92209.140.21.93209.140.21.94209.140.21.95209.140.21.96209.140.21.97209.140.21.98209.140.21.99209.140.21.100209.140.21.101209.140.21.102209.140.21.103209.140.21.104209.140.21.105209.140.21.106209.140.21.107209.140.21.108209.140.21.109209.140.21.110209.140.21.111209.140.21.112209.140.21.113209.140.21.114209.140.21.115209.140.21.116209.140.21.117209.140.21.118209.140.21.119209.140.21.120209.140.21.121209.140.21.122209.140.21.123209.140.21.124209.140.21.125209.140.21.126209.140.21.127209.140.21.128209.140.21.129209.140.21.130209.140.21.131209.140.21.132209.140.21.133209.140.21.134209.140.21.135209.140.21.136209.140.21.137209.140.21.138209.140.21.139209.140.21.140209.140.21.141209.140.21.142209.140.21.143209.140.21.144209.140.21.145209.140.21.146209.140.21.147209.140.21.148209.140.21.149209.140.21.150209.140.21.151209.140.21.152209.140.21.153209.140.21.154209.140.21.155209.140.21.156209.140.21.157209.140.21.158209.140.21.159209.140.21.160209.140.21.161209.140.21.162209.140.21.163209.140.21.164209.140.21.165209.140.21.166209.140.21.167209.140.21.168209.140.21.169209.140.21.170209.140.21.171209.140.21.172209.140.21.173209.140.21.174209.140.21.175209.140.21.176209.140.21.177209.140.21.178209.140.21.179209.140.21.180209.140.21.181209.140.21.182209.140.21.183209.140.21.184209.140.21.185209.140.21.186209.140.21.187209.140.21.188209.140.21.189209.140.21.190209.140.21.191209.140.21.192209.140.21.193209.140.21.194209.140.21.195209.140.21.196209.140.21.197209.140.21.198209.140.21.199209.140.21.200209.140.21.201209.140.21.202209.140.21.203209.140.21.204209.140.21.205209.140.21.206209.140.21.207209.140.21.208209.140.21.209209.140.21.210209.140.21.211209.140.21.212209.140.21.213209.140.21.214209.140.21.215209.140.21.216209.140.21.217209.140.21.218209.140.21.219209.140.21.220209.140.21.221209.140.21.222209.140.21.223209.140.21.224209.140.21.225209.140.21.226209.140.21.227209.140.21.228209.140.21.229209.140.21.230209.140.21.231209.140.21.232209.140.21.233209.140.21.234209.140.21.235209.140.21.236209.140.21.237209.140.21.238209.140.21.239209.140.21.240209.140.21.241209.140.21.242209.140.21.243209.140.21.244209.140.21.245209.140.21.246209.140.21.247209.140.21.248209.140.21.249209.140.21.250209.140.21.251209.140.21.252209.140.21.253209.140.21.254209.140.21.255
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