AS151847 Fastmail Pty Ltd 🇦🇺 AU

Fastmail. Announcing 8 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
1,024 (4 × /24)
IPv6 prefixes
4
16,384 × /48
Upstreams
5
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS151847
Name
Fastmail Pty Ltd
Organisation
FASTMAILPTYLTD-AS-AP
Country
🇦🇺 AU
RIR
APNIC
Allocated
2023-10-06
Network type
Enterprise
Peering policy
Open
PeeringDB
net/43998

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

8 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

4 in total

Prefix RPKI Peers Sample path First seen
2402:5d60::/36 v6 RPKI valid 34 380011828151847 2026-09-18
2402:5d60:1000::/36 v6 RPKI valid 34 380011828151847 2026-09-18
2402:5d60:2000::/36 v6 RPKI valid 37 6939151847 2026-09-18
2402:5d60:4000::/36 v6 RPKI valid 33 3454948152151847 2026-09-18