140.247.152.0/24 Harvard University
Announced by AS1742 Harvard University. RPKI valid Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 140.247.152.0/24
Prefix
Origin
AS1742 HARVARD-UNIV
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 140.247.152.0/24 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.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 11164 1742
| Origin | AS1742 Harvard University |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 8d 9h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS1742 to originate 140.247.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 140.247.0.0/16 | /24 | AS1742 HARVARD-UNIV | 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 |
|---|---|---|---|---|
| 140.247.152.0/24 | AS1742 HARVARD-UNIV | ARIN | HUIT Network Services Patrick McEvilly - Director 784 Memorial Drive Cambridge MA 02139 United States | MNT-HARVAR-Z |
| 140.247.152.0/24 | AS1742 HARVARD-UNIV | RADB | President and Fellows of Harvard College | MAINT-AS1742 |
| 140.247.0.0/16 covering | AS1742 HARVARD-UNIV | ARIN | HUIT Network Services Patrick McEvilly - Director 784 Memorial Drive Cambridge MA 02139 United States | MNT-HARVAR-Z |
| 140.247.0.0/16 covering | AS1742 HARVARD-UNIV | RADB | Presidents and Fellows of Harvard College | MAINT-AS1742 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.