216.172.16.0/20
🇺🇸CIDR
216.172.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
7/5/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.172.16.0/20 | AS7029WINDSTREAM - Windstream Communications LLC | Valid | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.172.29.0/24 | AS11632ASPS-HQ-ASN01 - American Society of Plastic Surgeons | Valid | — | 6/1/2026 |
| 216.172.25.0/24 | AS54278 | Invalid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/216.172.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.172.16.0/20" | jq
External Links