131.229.0.0/17
🇺🇸CIDR
131.229.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
1/27/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.229.0.0/17 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | RADB | 5/31/2026 |
Covering Prefix
13 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.229.40.0/23 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.42.0/23 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.44.0/23 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.46.0/23 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.4.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.5.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.6.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.8.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.67.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.0.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.1.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.2.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
| 131.229.3.0/24 | AS1255SMITHCOLLEGE-AS - Smith College | No ROA | — | 5/31/2026 |
Origin ASN
AS1255
SMITHCOLLEGE-AS - Smith College
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.229.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.229.0.0/17" | jq
External Links