129.246.0.0/16
🇺🇸CIDR
129.246.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Alexandria (Potomac Yard)
RIR
ARIN
Status
allocated
Allocated
3/29/1988
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
11 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.246.128.0/17 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.0.0/17 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.225.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.228.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.229.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.230.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.235.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.243.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.253.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.254.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
| 129.246.101.0/24 | AS166IDA-AS - Institute for Defense Analyses | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/129.246.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.246.0.0/16" | jq
External Links