64.123.0.0/16
🇺🇸CIDR
64.123.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Austin
RIR
ARIN
Status
allocated
Allocated
7/10/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.123.0.0/16 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.123.96.0/21 | AS17064TISD-VIC - TISD, Inc. | No ROA | — | 5/31/2026 |
| 64.123.104.0/23 | AS17064TISD-VIC - TISD, Inc. | No ROA | — | 5/31/2026 |
| 64.123.246.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
| 64.123.96.0/24 | AS17064TISD-VIC - TISD, Inc. | No ROA | — | 5/31/2026 |
| 64.123.22.0/24 | AS25993ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7132 | RADB | MAINT-AS7132 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/64.123.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.123.0.0/16" | jq
External Links