166.43.144.0/20
🇺🇸CIDR
166.43.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.43.144.0/20 | AS3372MCI-ASN - Verizon Business | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.32.0.0/12 | AS3371MCI-ASN - Verizon Business | No ROA | — | 5/31/2026 |
| 166.43.0.0/16 | AS3371MCI-ASN - Verizon Business | No ROA | — | 5/31/2026 |
Origin ASN
AS3372
MCI-ASN - Verizon Business
Geolocation
API
Open https://api.ipctl.io/v1/prefix/166.43.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/166.43.144.0/20" | jq
External Links