128.107.0.0/23 CISCO SYSTEMS, INC.
Announced by AS109 CISCO SYSTEMS, INC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 128.107.0.0/23
Prefix
Origin
AS109 CISCOSYSTEMS
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 4 covering
In RouteViews
2026-10-14 20:02 UTC
Paths
How 128.107.0.0/23 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 174 3356 109
| Origin | AS109 CISCO SYSTEMS, INC. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 15h 18m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 109
| Origin | AS109 CISCO SYSTEMS, INC. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 109
| Origin | AS109 CISCO SYSTEMS, INC. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS109 to originate 128.107.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 128.107.0.0/16 | /24 | AS109 CISCOSYSTEMS | ARIN |
| 128.107.0.0/16 | /24 | AS198949 Radware | 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 |
|---|---|---|---|---|
| 128.107.0.0/23 | AS109 CISCOSYSTEMS | ARIN | 170 West Tasman Drive San Jose CA 95134 United States | MNT-CS-2831 |
| 128.107.0.0/23 | AS109 CISCOSYSTEMS | RADB | CISCO SYSTEMS, INC 170 WEST TASMAN DRIVE SAN JOSE, CA 95134 US RP-SJC | MAINT-AS109 |
| 128.107.0.0/23 | AS198949 Radware | RADB | Cisco IT | MAINT-AS198949 |
| 128.107.0.0/16 covering | AS109 CISCOSYSTEMS | ARIN | 170 West Tasman Drive San Jose CA 95134 United States | MNT-CS-2831 |
| 128.107.0.0/16 covering | AS198949 Radware | ARIN | CISCO SYSTEMS, INC. | MNT-CS-2831 |
| 128.107.0.0/16 covering | AS109 CISCOSYSTEMS | RADB | CISCO SYSTEMS, INC 170 WEST TASMAN DRIVE SAN JOSE, CA 95134 US RP-SJC | MAINT-AS109 |
| 128.107.0.0/16 covering | AS198949 Radware | RADB | Cisco IT | MAINT-AS198949 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.