12.129.177.0/24 ATC IP LLC
Announced by AS22840 ATC IP LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 12.129.177.0/24
Prefix
Origin
AS22840 ATC-IP-LLC
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-16 00:02 UTC
Paths
How 12.129.177.0/24 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 49915 22840
| Origin | AS22840 ATC IP LLC |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 22h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 49915 22840
| Origin | AS22840 ATC IP LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 6h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 49915 22840
| Origin | AS22840 ATC IP LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 6h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS22840 to originate 12.129.177.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 12.129.177.0/24 | /24 | AS22840 ATC-IP-LLC | 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 |
|---|---|---|---|---|
| 12.129.177.0/24 | AS22840 ATC-IP-LLC | ARIN | CoreSite - An American Tower Company 55 Marietta St NW Suite 200 Atlanta, GA 30303 | MNT-AIL-85 |
| 12.128.0.0/9 covering | AS7018 ATT-INTERNET4 | ARIN | 12/8 upper half | MNT-AEL-360 |
| 12.0.0.0/8 covering | AS7018 ATT-INTERNET4 | ARIN | ATT_NET-TWELVE | MNT-AEL-360 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.