121.39.255.0/24 BEIJING SHENZHOU GREATWALL COMMUNICATION
Announced by AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 121.39.255.0/24
Prefix
Origin
AS9389 CGWNET
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 121.39.255.0/24 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 4837×2 9389
| Origin | AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4837 9389
| Origin | AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4837 9389
| Origin | AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 17h 51m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9389 to originate 121.39.255.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 121.39.255.0/24 | /24 | AS9389 CGWNET | 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 |
|---|---|---|---|---|
| 121.39.255.0/24 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 121.39.255.0/24 | AS4837 CHINA169-Backbone | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |