140.249.52.0/22 Qingdao,266000
Announced by AS58541 Qingdao,266000. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 140.249.52.0/22
Prefix
Origin
AS58541 CHINATELECOM-SHANDONG-QINGDAO-IDC
RPKI
RPKI valid
Size
1,024 addresses
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 140.249.52.0/22 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 4134 58541
| Origin | AS58541 Qingdao,266000 |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 6h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 58541
| Origin | AS58541 Qingdao,266000 |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 14h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 58541
| Origin | AS58541 Qingdao,266000 |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 14h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS58541 to originate 140.249.52.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 140.249.52.0/22 | /22 | AS58541 CHINATELECOM-SHANDONG-QINGDAO-IDC | APNIC |
| 140.249.48.0/21 | /21 | AS136195 CHINATELECOM-QINGDAO-CLOUDBASE | APNIC |
| 140.249.32.0/19 | /19 | AS58541 CHINATELECOM-SHANDONG-QINGDAO-IDC | APNIC |
| 140.249.0.0/16 | /16 | AS4134 CHINANET-BACKBONE | 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 |
|---|---|---|---|---|
| 140.249.52.0/22 | AS58541 CHINATELECOM-SHANDONG-QINGDAO-IDC | RADB | Chinanet Shandong province QingdaoIDC network | MAINT-AS58540 |
| 140.249.48.0/21 covering | AS136195 CHINATELECOM-QINGDAO-CLOUDBASE | RADB | Chinanet Shandong province HuangdaoIDC network | MAINT-AS58540 |
| 140.249.32.0/19 covering | AS58541 CHINATELECOM-SHANDONG-QINGDAO-IDC | RADB | Chinanet Shandong province QingdaoIDC network | MAINT-AS58540 |
| 140.249.0.0/16 covering | AS4134 CHINANET-BACKBONE | RADB | China Telecom Network | MAINT-CT-GNOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.