43.240.128.0/23 China Unicom
Announced by AS138421 China Unicom. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 43.240.128.0/23
Prefix
Origin
AS138421 CU-CN-AS
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths
How 43.240.128.0/23 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 7029 1299 4837 138421
| Origin | AS138421 China Unicom |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 5d 16h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4837 138421
| Origin | AS138421 China Unicom |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 138421
| Origin | AS138421 China Unicom |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS138421 to originate 43.240.128.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 43.240.128.0/23 | /23 | AS138421 CU-CN-AS | APNIC |
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 |
|---|---|---|---|---|
| 43.240.128.0/23 | AS4837 CHINA169-Backbone | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 43.240.128.0/23 | AS138421 CU-CN-AS | RADB | N | MAINT-AS58879 |