151.159.0.0/16

🇺🇸

IPv4ARINallocated RPKI Valid

CIDR

151.159.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Rapid City

RIR

ARIN

Status

allocated

Allocated

7/30/1991

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

9 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
151.159.0.0/17	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.128.0/18	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.240.0/20	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.192.0/20	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.224.0/20	AS26498SANFORD-LAB - Sanford Underground Laboratory at Homestake	Valid	—	6/13/2026
151.159.208.0/21	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.216.0/22	AS11602SDSMT-AS - South Dakota School of Mines & Technology	Valid	—	6/13/2026
151.159.220.0/23	AS33189SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents	Valid	—	6/13/2026
151.159.222.0/23	AS33189SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents	Valid	—	6/13/2026

Geolocation

Country🇺🇸United StatesUS

RegionSouth Dakota

CityRapid City

API

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/151.159.0.0/16" | jq

External Links