72.19.64.0/18 University of Massachusetts - AMHERST
Announced by AS1249 University of Massachusetts - AMHERST. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 72.19.64.0/18
Prefix
Origin
AS1249 FIVE-COLLEGES-AS
RPKI
RPKI not found
Size
16,384 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 72.19.64.0/18 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 1968 1249
| Origin | AS1249 University of Massachusetts - AMHERST |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 5h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 1968 1249
| Origin | AS1249 University of Massachusetts - AMHERST |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11164 1968 1249
| Origin | AS1249 University of Massachusetts - AMHERST |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 13h 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 |
|---|---|---|---|---|
| 72.19.64.0/18 | AS1249 FIVE-COLLEGES-AS | ARIN | UMASS-NET2 University of Massachusetts Amherst Network Services and Systems Lederle Graduate Research Center Lowrise 740 N Pleasant St Amherst, MA 01003-9306 US | MNT-UNIVER-6 |
| 72.19.64.0/18 | AS1249 FIVE-COLLEGES-AS | RADB | Prolexic Technologies, Inc. | MAINT-AS32787 |
| 72.19.64.0/18 | AS198949 Radware | RADB | UMassNET | MAINT-AS198949 |