153.97.0.0/21 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Announced by AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 153.97.0.0/21
Prefix
Origin
AS5501 Fraunhofer-Cluster-BW
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-12 08:02 UTC
Paths
How 153.97.0.0/21 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 1299 553 5501
| Origin | AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 553 5501
| Origin | AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 17h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 553 5501
| Origin | AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS5501 to originate 153.97.0.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 153.97.0.0/21 | /21 | AS5501 Fraunhofer-Cluster-BW | RIPE |
| 153.97.0.0/16 | /16 | AS680 DFN | 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 |
|---|---|---|---|---|
| 153.97.0.0/21 | AS5501 Fraunhofer-Cluster-BW | RIPE | FHG-IZS97-0 | FHG-MNT |
| 153.97.0.0/18 covering | AS5501 Fraunhofer-Cluster-BW | RIPE | FHG-IZB97-18-0 | FHG-MNT |
| 153.97.0.0/16 covering | AS680 DFN | RIPE | FHG-153-97-0-0 | DFN-MNT |
| 153.96.0.0/15 covering | AS680 DFN | RIPE | FhG-TOP-Netz | DFN-MNT |
| 153.96.0.0/15 covering | AS5501 Fraunhofer-Cluster-BW | RIPE | FhG-TOP-Netz | FHG-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.