129.133.0.0/17
🇺🇸CIDR
129.133.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Middletown
RIR
ARIN
Status
allocated
Allocated
12/8/1987
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.133.0.0/17 | AS167WESLEYAN-AS - Wesleyan University | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.133.1.0/24 | AS167WESLEYAN-AS - Wesleyan University | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS167 | RADB | MAINT-AS22742 | 3/6/2024 |
Origin ASN
AS167
WESLEYAN-AS - Wesleyan University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/129.133.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.133.0.0/17" | jq
External Links