AS151847
Fastmail
Scanned 3h 39m ago
📋 Summary
IP address summary information| Name | Fastmail |
| Country | AU |
| Website | Fastmail Pty Ltd |
| IPv4 addresses | 1.0K |
| IPv6 addresses | ~2^83 |
| ASN type | Transit |
| Registry | APNIC |
| Allocated | Oct 06, 2023 |
| Updated | Nov 05, 2025 |
🗺️ Geolocation
AUCountries by IPv4 share
Geolocation based on WHOIS registration data.
📊 IP Ranges
IPv4: 4 | IPv6: 4| Netblock | IP Count |
|---|---|
| 2402:5d60:1000::/36 | 0 |
| 202.12.124.0/24 | 256 |
| 2402:5d60:4000::/36 | 0 |
| 204.75.19.0/24 | 256 |
| 2402:5d60:2000::/36 | 0 |
| 204.75.18.0/24 | 256 |
| 2402:5d60::/36 | 0 |
| 103.168.172.0/24 | 256 |
Prefix data from RIPE Stat / RIR allocation records.
📄 WHOIS
APNIC| Handle | AS151847 |
| Name | FASTMAILPTYLTD-AS-AP |
| Organization | Fastmail |
| Country | AU |
| Status | active |
| Allocated | Oct 06, 2023 |
| Updated | Nov 05, 2025 |
Contacts
| Registrant | Fastmail <apnic@role.fastmailteam.com> |
| Abuse Contact | IRT-FASTMAILPTYLTD-AU <abuse@fastmail.com> |
| Admin Contact | Fastmail Pty Ltd administrator <abuse@fastmail.com> |
| Tech Contact | Fastmail Pty Ltd administrator <abuse@fastmail.com> |
| Phone | +61457416436 |
| Address | Level 2, 114 William Street, Melbourne Victoria 3000 |
Source: APNIC
🔗 Peers
0 peers for this ASNNo peers found.
⬆️ Upstreams
4 upstreams⬇️ Downstreams
0 downstreamsNo downstreams found.
🔒 RPKI / ROA
Source: rpki.zorn.ltd| Prefix | Origin ASN | Max Length | Validity |
|---|---|---|---|
| 202.12.124.0/24 | AS151847 | /24 | ✓ Valid |
| 204.75.19.0/24 | AS151847 | /24 | ✓ Valid |
| 204.75.18.0/24 | AS151847 | /24 | ✓ Valid |
| 103.168.172.0/24 | AS151847 | /24 | ✓ Valid |
RPKI validation powered by rpki.zorn.ltd (Routinator).