27.40.53.0/24 CHINA UNICOM China169 Backbone
Announced by AS4837 CHINA UNICOM China169 Backbone. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 27.40.53.0/24
Prefix
Origin
AS4837 CHINA169-Backbone
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 27.40.53.0/24 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 13760 3356 4837
| Origin | AS4837 CHINA UNICOM China169 Backbone |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2003 36601:150 36601:2001 36601:13760 |
| Updated | 4d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4837
| Origin | AS4837 CHINA UNICOM China169 Backbone |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837
| Origin | AS4837 CHINA UNICOM China169 Backbone |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4837 to originate 27.40.53.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 27.40.53.0/24 | /24 | AS4837 CHINA169-Backbone | APNIC |
| 27.40.0.0/13 | /13 | AS17816 CHINA169-GZ | 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 |
|---|---|---|---|---|
| 27.40.0.0/14 covering | AS17816 CHINA169-GZ | APNIC | China Unicom Guangdong Province Network | MAINT-CNCGROUP-RR |
| 27.40.0.0/13 covering | AS17816 CHINA169-GZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 27.40.0.0/13 covering | AS17816 CHINA169-GZ | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.