256 routable1 ASes
/24 subnet
21.23.4.0/24
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.
- AS749United States Department of Defense (DoD)256 · 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 |
|---|---|---|---|---|---|
| 21.23.4.0/24 | AS749United States Department of Defense (DoD) | United States | not found | 17 | 2026-10-02 |
Every address
21.23.4.021.23.4.121.23.4.221.23.4.321.23.4.421.23.4.521.23.4.621.23.4.721.23.4.821.23.4.921.23.4.1021.23.4.1121.23.4.1221.23.4.1321.23.4.1421.23.4.1521.23.4.1621.23.4.1721.23.4.1821.23.4.1921.23.4.2021.23.4.2121.23.4.2221.23.4.2321.23.4.2421.23.4.2521.23.4.2621.23.4.2721.23.4.2821.23.4.2921.23.4.3021.23.4.3121.23.4.3221.23.4.3321.23.4.3421.23.4.3521.23.4.3621.23.4.3721.23.4.3821.23.4.3921.23.4.4021.23.4.4121.23.4.4221.23.4.4321.23.4.4421.23.4.4521.23.4.4621.23.4.4721.23.4.4821.23.4.4921.23.4.5021.23.4.5121.23.4.5221.23.4.5321.23.4.5421.23.4.5521.23.4.5621.23.4.5721.23.4.5821.23.4.5921.23.4.6021.23.4.6121.23.4.6221.23.4.6321.23.4.6421.23.4.6521.23.4.6621.23.4.6721.23.4.6821.23.4.6921.23.4.7021.23.4.7121.23.4.7221.23.4.7321.23.4.7421.23.4.7521.23.4.7621.23.4.7721.23.4.7821.23.4.7921.23.4.8021.23.4.8121.23.4.8221.23.4.8321.23.4.8421.23.4.8521.23.4.8621.23.4.8721.23.4.8821.23.4.8921.23.4.9021.23.4.9121.23.4.9221.23.4.9321.23.4.9421.23.4.9521.23.4.9621.23.4.9721.23.4.9821.23.4.9921.23.4.10021.23.4.10121.23.4.10221.23.4.10321.23.4.10421.23.4.10521.23.4.10621.23.4.10721.23.4.10821.23.4.10921.23.4.11021.23.4.11121.23.4.11221.23.4.11321.23.4.11421.23.4.11521.23.4.11621.23.4.11721.23.4.11821.23.4.11921.23.4.12021.23.4.12121.23.4.12221.23.4.12321.23.4.12421.23.4.12521.23.4.12621.23.4.12721.23.4.12821.23.4.12921.23.4.13021.23.4.13121.23.4.13221.23.4.13321.23.4.13421.23.4.13521.23.4.13621.23.4.13721.23.4.13821.23.4.13921.23.4.14021.23.4.14121.23.4.14221.23.4.14321.23.4.14421.23.4.14521.23.4.14621.23.4.14721.23.4.14821.23.4.14921.23.4.15021.23.4.15121.23.4.15221.23.4.15321.23.4.15421.23.4.15521.23.4.15621.23.4.15721.23.4.15821.23.4.15921.23.4.16021.23.4.16121.23.4.16221.23.4.16321.23.4.16421.23.4.16521.23.4.16621.23.4.16721.23.4.16821.23.4.16921.23.4.17021.23.4.17121.23.4.17221.23.4.17321.23.4.17421.23.4.17521.23.4.17621.23.4.17721.23.4.17821.23.4.17921.23.4.18021.23.4.18121.23.4.18221.23.4.18321.23.4.18421.23.4.18521.23.4.18621.23.4.18721.23.4.18821.23.4.18921.23.4.19021.23.4.19121.23.4.19221.23.4.19321.23.4.19421.23.4.19521.23.4.19621.23.4.19721.23.4.19821.23.4.19921.23.4.20021.23.4.20121.23.4.20221.23.4.20321.23.4.20421.23.4.20521.23.4.20621.23.4.20721.23.4.20821.23.4.20921.23.4.21021.23.4.21121.23.4.21221.23.4.21321.23.4.21421.23.4.21521.23.4.21621.23.4.21721.23.4.21821.23.4.21921.23.4.22021.23.4.22121.23.4.22221.23.4.22321.23.4.22421.23.4.22521.23.4.22621.23.4.22721.23.4.22821.23.4.22921.23.4.23021.23.4.23121.23.4.23221.23.4.23321.23.4.23421.23.4.23521.23.4.23621.23.4.23721.23.4.23821.23.4.23921.23.4.24021.23.4.24121.23.4.24221.23.4.24321.23.4.24421.23.4.24521.23.4.24621.23.4.24721.23.4.24821.23.4.24921.23.4.25021.23.4.25121.23.4.25221.23.4.25321.23.4.25421.23.4.255
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