12.20.60.0/23 Stephen Gould Corporation
Announced by AS36178 Stephen Gould Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 12.20.60.0/23
Prefix
Origin
AS36178 STEPHENGOULD-CORP
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 12.20.60.0/23 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 7018 36178
| Origin | AS36178 Stephen Gould Corporation |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2056 36601:150 36601:2001 36601:13760 |
| Updated | 5d 7h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 36178
| Origin | AS36178 Stephen Gould Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 15h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018 36178
| Origin | AS36178 Stephen Gould Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 15h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS36178 to originate 12.20.60.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 12.20.60.0/23 | /24 | AS36178 STEPHENGOULD-CORP | 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 |
|---|---|---|---|---|
| 12.20.60.0/23 | AS36178 STEPHENGOULD-CORP | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 12.0.0.0/9 covering | AS7018 ATT-INTERNET4 | ARIN | 12/8 lower 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.