66.171.16.0/20
🇺🇸CIDR
66.171.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Denver
RIR
ARIN
Status
allocated
Allocated
1/24/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.171.16.0/20 | AS33339NEMONT-CELLULAR - Nemont | No ROA | ARIN | 6/1/2026 |
Covering Prefix
13 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.171.16.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.17.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.18.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.19.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.20.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.21.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.23.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.24.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.25.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.26.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.27.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.28.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
| 66.171.29.0/24 | AS33339NEMONT-CELLULAR - Nemont | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS33339 | ARIN | MNT-NEMON-2 | 12/21/2020 |
Origin ASN
AS33339
NEMONT-CELLULAR - Nemont
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.171.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.171.16.0/20" | jq
External Links