156.42.0.0/16
🇺🇸CIDR
156.42.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Phoenix (Central City)
RIR
ARIN
Status
allocated
Allocated
12/9/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.42.0.0/16 | AS4211ASN-MARICOPA1 - Maricopa County Government | No ROA | RADB | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.42.0.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.32.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.64.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.96.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.128.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.160.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.192.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 156.42.224.0/19 | AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/156.42.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.42.0.0/16" | jq
External Links