205.140.221.0/24 - Level 3 Parent (AS3356)
CIDR
205.140.221.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Mountain View
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.140.221.0/24 | AS3356 LEVEL3 - Level 3 Parent, LLC | No ROA | - | 2026-10-13 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.140.192.0/18 | AS3561 CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | - | 2026-10-13 |
| 205.140.192.0/19 | AS3561 CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | - | 2026-10-13 |
| 205.140.220.0/23 | AS203 CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | - | 2026-10-13 |
| 205.140.220.0/23 | AS11803 OMNICELL - Omnicell | No ROA | - | 2026-10-13 |
Transfer History
Registry transfers of 205.140.221.0/24, blocks inside it, or blocks containing it.
- 205.140.192.0/18M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 205.140.192.0/18 | M&A |
Origin ASN
AS3356
LEVEL3 - Level 3 Parent, LLC
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/205.140.221.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.140.221.0/24" | jq
External Links