Data as of Nov 10, 2026
Autonomous system

AS148990

Chengyi Co., Limited

Announces 3,072 addresses in 12 prefixes. None of it is anonymizer space.

Announced prefixes

Arrived
PrefixTypeHolderRPKI
154.19.128.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.130.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.133.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.134.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.136.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.139.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.140.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.142.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.143.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.146.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.151.0/24
since Sep 2022
UnknownCogent Communications, LLC
154.19.157.0/24
since Sep 2022
UnknownCogent Communications, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it