204.12.166.0/23 Nebius Inc.
Announced by AS53428 Nebius Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.12.166.0/23
Prefix
Origin
AS53428 KCS-US-NEBIUS
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 204.12.166.0/23 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 174 53428×5
| Origin | AS53428 Nebius Inc. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 53428×5
| Origin | AS53428 Nebius Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 1299 53428×2
| Origin | AS53428 Nebius Inc. |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 40m 49s ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS53428 to originate 204.12.166.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 204.12.166.0/23 | /24 | AS53428 KCS-US-NEBIUS | 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 |
|---|---|---|---|---|
| 204.12.166.0/23 | AS53428 KCS-US-NEBIUS | ARIN | BM Segment | MNT-NB-374 |
| 204.12.160.0/19 covering | AS64242 | LEVEL3 | ADDED FOR - AS64242 | I123-MNT |