158.63.0.0/16
🇺🇸CIDR
158.63.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Columbus
RIR
ARIN
Status
allocated
Allocated
2/14/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.63.0.0/16 | AS22238DARPA - Defense Advanced Research Projects Agency(DARPA) | No ROA | RADB | 5/30/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.63.64.0/20 | AS11488BBN-GW - BBN Technologies Corp. | No ROA | — | 5/30/2026 |
| 158.63.192.0/20 | AS11488BBN-GW - BBN Technologies Corp. | No ROA | — | 5/30/2026 |
| 158.63.2.0/24 | AS22238DARPA - Defense Advanced Research Projects Agency(DARPA) | No ROA | — | 5/30/2026 |
| 158.63.250.0/24 | AS22238DARPA - Defense Advanced Research Projects Agency(DARPA) | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS22238 | RADB | MAINT-AS3257 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/158.63.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/158.63.0.0/16" | jq
External Links