157.72.48.0/21 JR East Information Systems Company
Announced by AS131932 JR East Information Systems Company. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 157.72.48.0/21
Prefix
Origin
AS131932 JEIS-NET
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 157.72.48.0/21 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 7029 17676 131932
| Origin | AS131932 JR East Information Systems Company |
| Origin code | IGP |
| Communities | 7029:2089 36601:150 36601:2001 36601:13760 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 17676 131932
| Origin | AS131932 JR East Information Systems Company |
| 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 17676 131932
| Origin | AS131932 JR East Information Systems Company |
| 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 |
|---|---|---|---|---|
| 157.72.48.0/21 | AS131932 JEIS-NET | RADB | JEIS-NET | MAINT-AS2516 |
| 157.72.0.0/17 covering | AS131932 JEIS-NET | RADB | JEIS-NET | MAINT-AS2516 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.