198.57.40.0/22 Johns Hopkins University
Announced by AS5723 Johns Hopkins University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 198.57.40.0/22
Prefix
Origin
AS5723 JHU
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 198.57.40.0/22 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 11096 5723
| Origin | AS5723 Johns Hopkins University |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 11096 5723
| Origin | AS5723 Johns Hopkins University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 21h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11096 5723
| Origin | AS5723 Johns Hopkins University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS5723 to originate 198.57.40.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 198.57.40.0/22 | /24 | AS5723 JHU | 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 |
|---|---|---|---|---|
| 198.57.40.0/22 | AS5723 JHU | ARIN | JHACH 198.57.40.0/22 801 6th Street S. St. Petersburg FL 33701 United States | MNT-ACH-1-Z |