144.57.40.0/24 SKANSKA USA INC
Announced by AS398577 SKANSKA USA INC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 144.57.40.0/24
Prefix
Origin
AS398577 SKANSKA-USA-EAST
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 144.57.40.0/24 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 174 3356 398577
| Origin | AS398577 SKANSKA USA INC |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 1d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 398577
| Origin | AS398577 SKANSKA USA INC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 398577
| Origin | AS398577 SKANSKA USA INC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS398577 to originate 144.57.40.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 144.57.40.0/24 | /24 | AS398577 SKANSKA-USA-EAST | RIPE |
| 144.57.40.0/21 | /21 | AS398577 SKANSKA-USA-EAST | RIPE |
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 |
|---|---|---|---|---|
| 144.57.40.0/24 | AS398577 SKANSKA-USA-EAST | RIPE | N | SKANSKA-MNT |
| 144.57.40.0/21 covering | AS398577 SKANSKA-USA-EAST | RIPE | Announced to AS6461 & AS3356 | SKANSKA-MNT |
| 144.57.32.0/19 covering | AS7029 WINDSTREAM | RADB | Proxy fbo Windstream Customer | MAINT-AS7029 |
| 144.57.32.0/19 covering | AS397695 SKANSKA-USA | RIPE | Announced to AS3356 & AS6461 | SKANSKA-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.