167.165.0.0/16
🇺🇸CIDR
167.165.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Chicago (Loop)
RIR
ARIN
Status
allocated
Allocated
8/18/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 167.165.0.0/16 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | RADB | 5/30/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 167.165.128.0/17 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.0.0/17 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.232.0/23 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.222.0/23 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.239.0/24 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.230.0/24 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.231.0/24 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.234.0/24 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
| 167.165.238.0/24 | AS394534CITYOFCHICAGO-ASN-01 - City of Chicago | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS394534 | RADB | MAINT-AS6325 | 12/24/2025 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/167.165.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/167.165.0.0/16" | jq
External Links