209.0.0.0/16
🇺🇸CIDR
209.0.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Monroe
RIR
ARIN
Status
allocated
Allocated
3/10/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.0.0.0/16 | AS3356LEVEL3 - Level 3 Parent, LLC | No ROA | — | 6/1/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.0.204.0/22 | AS11915US-TELEPACIFIC - TPx Communications | No ROA | — | 6/1/2026 |
| 209.0.208.0/22 | AS11915US-TELEPACIFIC - TPx Communications | No ROA | — | 6/1/2026 |
| 209.0.234.0/23 | AS13720SONYONLINE - Daybreak Game Company LLC | Valid | — | 6/1/2026 |
| 209.0.50.0/24 | AS989ANAXA3-ASN - ASPnix | Valid | — | 6/1/2026 |
| 209.0.51.0/24 | AS989ANAXA3-ASN - ASPnix | Valid | — | 6/1/2026 |
| 209.0.144.0/24 | AS3356LEVEL3 - Level 3 Parent, LLC | No ROA | — | 6/1/2026 |
| 209.0.235.0/24 | AS13720SONYONLINE - Daybreak Game Company LLC | Valid | — | 6/1/2026 |
| 209.0.201.0/24 | AS27357RACKSPACE - Rackspace Hosting | No ROA | — | 6/1/2026 |
| 209.0.146.0/24 | AS396989LCS-01 - LookingGlass Cyber Solutions Inc. | No ROA | — | 6/1/2026 |
Origin ASN
AS3356
LEVEL3 - Level 3 Parent, LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.0.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.0.0.0/16" | jq
External Links