104.255.56.0/21 Amazon.com, Inc.
Announced by AS16509 Amazon.com, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 104.255.56.0/21
Prefix
Origin
AS16509 AMAZON-02
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
6
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 08:02 UTC
Paths
How 104.255.56.0/21 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 16509×4
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 16509×4
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 16509×4
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16509 to originate 104.255.56.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 104.255.56.0/21 | /24 | AS16509 AMAZON-02 | ARIN |
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 |
|---|---|---|---|---|
| 104.255.56.0/21 | AS16509 AMAZON-02 | RADB | Amazon Corp Prefix | MAINT-AS16509 |
More specific
Prefixes inside 104.255.56.0/21
6 announced prefixes fall inside this one.