204.131.0.0/16
🇺🇸CIDR
204.131.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
8/26/1994
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.131.0.0/16 | AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.131.230.0/24 | AS3356LEVEL3 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 204.131.79.0/24 | AS3356LEVEL3 - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 204.131.222.0/24 | AS11091 | No ROA | — | 5/31/2026 |
| 204.131.46.0/24 | AS36207EFI-NWCO-G - ELEKTRAFI INC. | No ROA | — | 5/31/2026 |
| 204.131.48.0/24 | AS36207EFI-NWCO-G - ELEKTRAFI INC. | No ROA | — | 5/31/2026 |
| 204.131.163.0/24 | AS53663ABT-INET - ADAMS BANK & TRUST | No ROA | — | 5/31/2026 |
| 204.131.68.0/24 | AS54924NAROPA-UNIVERSITY-BOULDERMAIN - NAROPA UNIVERSITY | No ROA | — | 5/31/2026 |
| 204.131.192.0/24 | AS396276CAGE-CUBE-518 - Cage Cube Technologies, Inc. | No ROA | — | 5/31/2026 |
| 204.131.236.0/24 | AS397672AS-WYOMINGWIRELESS - Wyoming Wireless Internet | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.131.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.131.0.0/16" | jq
External Links