129.41.87.0/24 IBM
Announced by AS17390 IBM. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 129.41.87.0/24
Prefix
Origin
AS17390 CIO-ORGANIZATION
RPKI
RPKI not found
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 129.41.87.0/24 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 36351 17390
| Origin | AS17390 IBM |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 36351 17390
| Origin | AS17390 IBM |
| 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 36351 17390
| Origin | AS17390 IBM |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 129.41.87.0/24 | AS17390 CIO-ORGANIZATION | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 |
| 129.41.87.0/24 | AS17390 CIO-ORGANIZATION | ARIN | Ashburn (DC4) Public IP prefix for BluePoP | MNT-IBM-1-Z |
| 129.41.64.0/19 covering | AS17228 ATT-CERFNET-BLOCK | RADB | PNAP-ACS atthost route | MAINT-AS1828 |
| 129.41.0.0/16 covering | AS36351 SOFTLAYER | RADB | SOFTLAYER-IBMEMMSAASDEVOPS-GLOBAL | MAINT-AS36351 |