163.129.40.0/21 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 163.129.40.0/21
Prefix
Origin
AS13445 WEBEX
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 163.129.40.0/21 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 4826 13445
| Origin | AS13445 Cisco Webex LLC |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4826 13445
| Origin | AS13445 Cisco Webex LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 23h 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 | 7d 23h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS13445 to originate 163.129.40.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.129.40.0/21 | /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 |
|---|---|---|---|---|
| 163.129.40.0/21 | AS13445 WEBEX | ARIN | Cisco Webex LLC | MNT-WEX |