Data as of Nov 10, 2026
Autonomous system

AS399938

Berkshire Hathaway Energy Company

Announces 4,352 addresses in 7 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
131.219.144.0/23
since Nov 2022
BusinessPacifiCorp
131.219.146.0/23
since Apr 2023
BusinessPacifiCorp
131.219.148.0/23
since Nov 2022
BusinessPacifiCorp
131.219.150.0/24
since Nov 2022
BusinessPacifiCorp
131.219.152.0/23
since Mar 2026
BusinessPacifiCorp
204.124.192.0/22
since Jan 2026
BusinessMidAmerican Energy Holdings Company
206.108.232.0/22
since Jan 2026
BusinessMidAmerican Energy Holdings Company

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it