155.121.0.0/16
🇺🇸CIDR
155.121.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Walnut
RIR
ARIN
Status
allocated
Allocated
12/23/2025
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 155.121.0.0/24 | AS14618AMAZON-AES - Amazon.com, Inc. | Valid | — | 5/31/2026 |
Origin ASN
AS922
Geolocation
API
Open https://api.ipctl.io/v1/prefix/155.121.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/155.121.0.0/16" | jq
External Links