109.166.40.0/21 CenturyLink Communications, LLC
Announced by AS3561 CenturyLink Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 109.166.40.0/21
Prefix
Origin
AS3561 CENTURYLINK-LEGACY-SAVVIS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 109.166.40.0/21 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 13760 3356 3561
| Origin | AS3561 CenturyLink Communications, LLC |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2056 3561:9011 3561:11840 3561:45009 36601:150 36601:2001 36601:13760 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3561
| Origin | AS3561 CenturyLink Communications, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 3561
| Origin | AS3561 CenturyLink Communications, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS3561 to originate 109.166.40.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 109.166.40.0/21 | /21 | AS3561 CENTURYLINK-LEGACY-SAVVIS | RIPE |
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 |
|---|---|---|---|---|
| 109.166.40.0/21 | AS3561 CENTURYLINK-LEGACY-SAVVIS | RIPE | Power NMS VPP | POWER-NMS-VPP |