137.164.0.0/16
🇺🇸CIDR
137.164.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
San Jose
RIR
ARIN
Status
allocated
Allocated
12/21/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.164.0.0/16 | AS2152CENIC-2152 - CENIC | No ROA | ARINRADB | 5/31/2026 |
Covering Prefix
73 less-specific announcementsOrigin ASN
AS2152
CENIC-2152 - CENIC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.164.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.164.0.0/16" | jq
External Links