205.138.240.0/20
🇺🇸CIDR
205.138.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Richardson
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.138.240.0/20 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 6/1/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.138.0.0/15 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 6/1/2026 |
| 205.138.243.0/24 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 6/1/2026 |
| 205.138.249.0/24 | AS10753LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC | No ROA | — | 6/1/2026 |
| 205.138.242.0/24 | AS13458DKP-ASN - DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | No ROA | — | 6/1/2026 |
| 205.138.247.0/24 | AS396167BHN-BGP - Blackhawk Network, Inc. | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.138.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.138.240.0/20" | jq
External Links