161.203.18.0/23
🇺🇸CIDR
161.203.18.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Washington D.C. (Northwest Washington)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.203.18.0/23 | AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC | Valid | ARIN | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.203.19.0/24 | AS10753LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC | Valid | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionDistrict of Columbia
CityWashington D.C. (Northwest Washington)
Coordinates38.8986, -77.0178 ↗
API
Open https://api.ipctl.io/v1/prefix/161.203.18.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.203.18.0/23" | jq
External Links