103.4.8.0/21 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 103.4.8.0/21
Prefix
Origin
AS16509 AMAZON-02
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 103.4.8.0/21 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
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 174:21201 174:22032 36601:150 36601:174 36601:2001 |
| Updated | 4d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 16509
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 16509×2
| Origin | AS16509 Amazon.com, Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16509 to originate 103.4.8.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 103.4.8.0/21 | /21 | AS16509 AMAZON-02 | 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 |
|---|---|---|---|---|
| 103.4.8.0/21 | AS16509 AMAZON-02 | RADB | Amazon EC2 NRT prefix | MAINT-AS16509 |
| 103.4.8.0/21 | AS16509 AMAZON-02 | REACH | REACH (Customer Route) | MAINT-REACH-NOC |