40.143.72.0/21
🇺🇸CIDR
40.143.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
11/13/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 40.143.72.0/21 | AS17378AS17378 - TierPoint, LLC | Valid | RADB | 5/30/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 40.143.72.0/23 | AS17378AS17378 - TierPoint, LLC | Valid | — | 5/30/2026 |
| 40.143.74.0/23 | AS17378AS17378 - TierPoint, LLC | Valid | — | 5/30/2026 |
| 40.143.76.0/23 | AS17378AS17378 - TierPoint, LLC | Valid | — | 5/30/2026 |
| 40.143.78.0/23 | AS17378AS17378 - TierPoint, LLC | Valid | — | 5/30/2026 |
| 40.143.78.0/24 | AS395382CFN-AS - COMMONWEALTH EQUITY SERVICES, INC. | Valid | — | 5/30/2026 |
Origin ASN
AS17378
AS17378 - TierPoint, LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/40.143.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/40.143.72.0/21" | jq
External Links