156.249.104.0/21
🇺🇸CIDR
156.249.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Houston
RIR
AFRINIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.249.104.0/21 | AS11427TWC-11427-TEXAS - Charter Communications Inc | Valid | RADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.249.0.0/16 | AS35916MULTA-ASN1 - MULTACOM CORPORATION | No ROA | — | 6/1/2026 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 156.249.107.0/24 | 🇺🇸US | assigned | |
| 156.249.104.0/24 | 🇺🇸US | assigned | |
| 156.249.111.0/24 | 🇺🇸US | assigned | |
| 156.249.106.0/24 | 🇺🇸US | assigned | |
| 156.249.108.0/24 | 🇺🇸US | assigned | |
| 156.249.109.0/24 | 🇺🇸US | assigned | |
| 156.249.110.0/24 | 🇺🇸US | assigned | |
| 156.249.105.0/24 | 🇺🇸US | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/156.249.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.249.104.0/21" | jq
External Links