143.48.0.0/16 Cold Spring Harbor Laboratory
Announced by AS13748 Cold Spring Harbor Laboratory. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 143.48.0.0/16
Prefix
Origin
AS13748 CSHL
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 143.48.0.0/16 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 3356 6461 46887 13748
| Origin | AS13748 Cold Spring Harbor Laboratory |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2013 36601:150 36601:2001 36601:13760 |
| Updated | 4d 23h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 13748
| Origin | AS13748 Cold Spring Harbor Laboratory |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 10h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6461 46887 13748
| Origin | AS13748 Cold Spring Harbor Laboratory |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 10h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS13748 to originate 143.48.0.0/16 up to /16. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 143.48.0.0/16 | /16 | AS13748 CSHL | 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 |
|---|---|---|---|---|
| 143.48.0.0/16 | AS13748 CSHL | ARIN | Cold Spring Harbor Laboratory | MNT-CSHL-Z |
| 143.48.0.0/16 | AS13748 CSHL | RADB | Cold Spring Harbor Laboratory | MAINT-AS27506 |