103.168.172.0/24 Fastmail Pty Ltd
Announced by AS151847 Fastmail Pty Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 103.168.172.0/24
Prefix
Origin
AS151847 FASTMAILPTYLTD-AS-AP
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 103.168.172.0/24 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 13335 151847
| Origin | AS151847 Fastmail Pty Ltd |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8h 48m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 13335 151847
| Origin | AS151847 Fastmail Pty Ltd |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7h 25m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 13335 151847
| Origin | AS151847 Fastmail Pty Ltd |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 8h 43m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS151847 to originate 103.168.172.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 103.168.172.0/24 | /24 | AS151847 FASTMAILPTYLTD-AS-AP | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 103.168.172.0/24 | AS151847 FASTMAILPTYLTD-AS-AP | ALTDB | Fastmail PTY LTD | MAINT-TELX |
| 103.168.172.0/24 | AS151847 FASTMAILPTYLTD-AS-AP | APNIC | Fastmail Pty Ltd Level 2, 114 William Street | MAINT-FASTMAILPTYLTD-AU |
| 103.168.172.0/24 | AS19151 BBO-1 | BBOI | FastMail-1720 | MAINT-AS19151 |