Fastmail ARIN Network Infrastructure Profile

Fastmail

Fastmail appears in the ARIN member directory for Australia (AU) as a company record.

The available evidence covers Legal type: Private company and IP prefixes: 7.

Source description Fastmail appears in the ARIN member directory for Australia (AU) as a company record. Current public evidence also covers one supporting public reference. The directory country is treated as a RIR member/service-area source field, not as v...

AustraliaLatest 2026-06-30

7IP prefixes

Confidence

Public role: Current public evidence also covers one supporting public reference. The directory country is treated as a RIR member/service-area source field, not as verified headquarters or company-registration data.
Information type: Fastmail is linked to ARIN member-directory or public internet-number resource records; this states registry relationship and number-resource evidence, not a commercial service claim.

Related details

ARIN member directory record
Fastmail appears in the ARIN member directory for Australia (AU).
RIR · Public network record

Last updated: 2026-06-19

Current status

Legal type:Private companyNot yet assessed

IP prefixes

IPv44

202.12.124.0/24204.75.18.0/23204.75.18.0/24204.75.19.0/24

IPv63

2402:5d60:1000::/362402:5d60::/322402:5d60::/36

People & contacts

Contact:Administrative contactHigh confidence· 2 records

Contact:Other contact roleHigh confidence· 1 record