23.89.0.0/18 Cisco Webex LLC
Announced by AS13445 Cisco Webex LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 23.89.0.0/18
Prefix
Origin
AS13445 WEBEX
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
5
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 23.89.0.0/18 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 13445
| Origin | AS13445 Cisco Webex LLC |
| Origin code | IGP |
| Communities | 13760:3109 36601:150 36601:2001 36601:13760 |
| Updated | 3d 5h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 13445
| Origin | AS13445 Cisco Webex LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 3d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 13445
| Origin | AS13445 Cisco Webex LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS13445 to originate 23.89.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 23.89.0.0/16 | /24 | AS13445 WEBEX | 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 |
|---|---|---|---|---|
| 23.89.0.0/18 | AS13445 WEBEX | RADB | Webex | MAINT-AS13445 |
| 23.89.0.0/16 covering | AS13445 WEBEX | RADB | Webex | MAINT-AS13445 |
More specific
Prefixes inside 23.89.0.0/18
5 announced prefixes fall inside this one.