Data as of Nov 10, 2026
Autonomous system

AS33538

Mimecast North America Inc

Announces 1,024 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeRPKI
170.10.144.0/23
since Jul 2020
Business
170.10.146.0/23
since Jun 2020
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it