Data as of Nov 10, 2026
Autonomous system

AS38910

Transit AS Tokyo

Announces 8,192 addresses in 5 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
161.121.128.0/19
since May 2023
BusinessJP Morgan Chase & Co.
161.121.128.0/20
since Dec 2025
BusinessJP Morgan Chase & Co.
via JPMorgan Services India Private Limited
161.121.130.0/24
since Nov 8, 2026
BusinessJP Morgan Chase & Co.
via JPMorgan Services India Private Limited
161.121.135.0/24
since Nov 8, 2026
BusinessJP Morgan Chase & Co.
via JPMorgan Services India Private Limited
161.121.144.0/20
since Dec 2025
BusinessJP Morgan Chase & Co.
via JPMorgan Services India Private Limited

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it