47.19.120.0/24 Memorial Sloan-Kettering Cancer Center
Announced by AS14822 Memorial Sloan-Kettering Cancer Center. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 47.19.120.0/24
Prefix
Origin
AS14822 MSKCC
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 47.19.120.0/24 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.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 32787 14822
| Origin | AS14822 Memorial Sloan-Kettering Cancer Center |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 1d 6h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 32787 14822
| Origin | AS14822 Memorial Sloan-Kettering Cancer Center |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 32787 14822
| Origin | AS14822 Memorial Sloan-Kettering Cancer Center |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS14822 to originate 47.19.120.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 47.19.120.0/24 | /24 | AS14822 MSKCC | ARIN |
| 47.19.0.0/16 | /24 | AS54004 LIGHTPATH | 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 |
|---|---|---|---|---|
| 47.19.120.0/24 | AS14822 MSKCC | ARIN | Optimum WiFi | MNT-CLL-174 |
| 47.19.120.0/24 | AS14822 MSKCC | RADB | Akamai Technologies, Inc | MAINT-AS32787 |
| 47.19.0.0/16 covering | AS54004 LIGHTPATH | ARIN | Cablevision Lightpath LLC | MNT-CLL-174 |
| 47.18.0.0/15 covering | AS762 WELLFLEET-AS | LEVEL3 | BayNetworks NortelNetworks 4401 Great American Parkway Santa Clara, CA | NN-AS762-MNT |
| 47.16.0.0/14 covering | AS762 WELLFLEET-AS | LEVEL3 | BayNetworks NortelNetworks 4401 Great American Parkway Santa Clara, CA | NN-AS762-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.