ResearchRouting table, looking glass, RPKI & IRR

204.75.19.0/24 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 204.75.19.0/24

Prefix

Origin

AS151847 FASTMAILPTYLTD-AS-AP

RPKI

RPKI valid

Size

256 addresses

Less specific

none

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-13 20:02 UTC

Paths

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 13760 13335 151847

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 13335 151847

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 13335 151847

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 13335 151847

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 13335 151847

RPKI

Covered by a ROA authorizing AS151847 to originate 204.75.18.0/23 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
204.75.18.0/23	/24	AS151847 FASTMAILPTYLTD-AS-AP	APNIC

IRR

Registered in the IRR for this prefix and the ones covering it. Look it up live.

Route	Origin	Source	Description	Maintained by
204.75.19.0/24	AS151847 FASTMAILPTYLTD-AS-AP	APNIC	Fastmail Pty Ltd Level 2, 114 William Street	MAINT-FASTMAILPTYLTD-AU
204.75.18.0/23 covering	AS151847 FASTMAILPTYLTD-AS-AP	ALTDB	Fastmail PTY LTD	MAINT-TELX
204.75.18.0/23 covering	AS151847 FASTMAILPTYLTD-AS-AP	APNIC	Fastmail Pty Ltd Level 2, 114 William Street	MAINT-FASTMAILPTYLTD-AU

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