16.221.128.0/19 Cox Communications Inc.
Announced by AS22773 Cox Communications Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 16.221.128.0/19
Prefix
Origin
AS22773 ASN-CXA-ALL-CCI-22773-RDC
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
0
IRR route objects
10 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 16.221.128.0/19 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 1299 22773
| Origin | AS22773 Cox Communications Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 22773
| Origin | AS22773 Cox Communications Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 22773
| Origin | AS22773 Cox Communications Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 23h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS22773 to originate 16.221.128.0/19 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 16.221.128.0/19 | /24 | AS6079 RCN-AS | ARIN |
| 16.221.128.0/19 | /24 | AS7029 WINDSTREAM | ARIN |
| 16.221.128.0/19 | /24 | AS11404 AS-WAVE-1 | ARIN |
| 16.221.128.0/19 | /24 | AS22773 ASN-CXA-ALL-CCI-22773-RDC | ARIN |
| 16.221.128.0/19 | /24 | AS54004 LIGHTPATH | 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 |
|---|---|---|---|---|
| 16.221.128.0/19 | AS6079 RCN-AS | ARIN | Used by EndUser | MNT-DCL-577 |
| 16.221.128.0/19 | AS7029 WINDSTREAM | ARIN | Used by EndUser | MNT-DCL-577 |
| 16.221.128.0/19 | AS11404 AS-WAVE-1 | ARIN | Used by EndUser | MNT-DCL-577 |
| 16.221.128.0/19 | AS22773 ASN-CXA-ALL-CCI-22773-RDC | ARIN | Used by EndUser | MNT-DCL-577 |
| 16.221.128.0/19 | AS54004 LIGHTPATH | ARIN | Used by EndUser | MNT-DCL-577 |
| 16.221.128.0/19 | AS6079 RCN-AS | RADB | autogen | MAINT-AS834 |
| 16.221.128.0/19 | AS7029 WINDSTREAM | RADB | autogen | MAINT-AS834 |
| 16.221.128.0/19 | AS11404 AS-WAVE-1 | RADB | autogen | MAINT-AS834 |
| 16.221.128.0/19 | AS22773 ASN-CXA-ALL-CCI-22773-RDC | RADB | autogen | MAINT-AS834 |
| 16.221.128.0/19 | AS54004 LIGHTPATH | RADB | autogen | MAINT-AS834 |