135.131.120.0/21
🇺🇸CIDR
135.131.120.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Twin Falls
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 135.131.120.0/21 | AS4181TDS-AS - TDS TELECOM | Valid | — | 6/13/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 135.131.0.0/16 | AS4181TDS-AS - TDS TELECOM | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 135.131.0.0/16 | AS4181 | /24 | arin |
Origin ASN
AS4181
TDS-AS - TDS TELECOM
Geolocation
API
Open https://api.ipctl.io/v1/prefix/135.131.120.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/135.131.120.0/21" | jq
External Links