216.221.166.0/23 Amazon
Announced by AS8987 Amazon. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 216.221.166.0/23
Prefix
Origin
AS8987 GOVCLOUD
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths
How 216.221.166.0/23 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 13760 16509 8987
| Origin | AS8987 Amazon |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 16509 8987
| Origin | AS8987 Amazon |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 16509 8987
| Origin | AS8987 Amazon |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 4h 6m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8987 to originate 216.221.166.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 216.221.166.0/23 | /24 | AS8987 GOVCLOUD | ARIN |
| 216.221.166.0/23 | /24 | AS16509 AMAZON-02 | ARIN |
| 216.221.160.0/19 | /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 |
|---|---|---|---|---|
| 216.221.166.0/23 | AS8987 GOVCLOUD | RADB | Amazon EC2 Prefix | MAINT-AS16509 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.