FASTMAIL PTY LTD

Fastmail Pty Ltd
Data as of 2026-10-18
GLEIF verified
LEI
9845000AD2D6DDA73678
Registered name
FASTMAIL PTY LTD
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks10 · 1,024 IPv4 addresses
IPv6 5 prefixes (largest 2402:5d60::/32)
Record ID250257460
RegistryAPNIC
Owner jurisdictionAU
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 9845000AD2D6DDA73678
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.168.172.0/24 Fastmail BGP ANNOUNCED ● high
202.12.124.0/24 Fastmail BGP ANNOUNCED ● high
204.75.18.0/24 Fastmail BGP ANNOUNCED ● high
204.75.19.0/24 Fastmail BGP ANNOUNCED ● high
2402:5d60::/36 Fastmail BGP ANNOUNCED ● high
2402:5d60:1000::/36 Fastmail BGP ANNOUNCED ● high
2402:5d60:2000::/36 Fastmail BGP ANNOUNCED ● high
2402:5d60:4000::/36 Fastmail BGP ANNOUNCED ● high
204.75.18.0/23 Fastmail Pty Ltd APNIC ASSIGNED PORTABLE ● medium
2402:5d60::/32 Fastmail Pty Ltd APNIC ALLOCATED PORTABLE ● medium

IPv6 ranges (5)

Other domains hosted in this network

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Network trust

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RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (12 of 12)
No discrepancies found among checked blocks.

NIC Handles

AF708-AP APNIC-HM AS151847 FPLA12-AP FPLA12-AP ORG-FA47-AP