219.143.88.0/21 China Networks Inter-Exchange
Announced by AS4847 China Networks Inter-Exchange. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 219.143.88.0/21
Prefix
Origin
AS4847 CNIX-AP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-16 12:01 UTC
Paths
How 219.143.88.0/21 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 3356 4809 4847
| Origin | AS4847 China Networks Inter-Exchange |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 2d 7h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4809 4847
| Origin | AS4847 China Networks Inter-Exchange |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4809 4847
| Origin | AS4847 China Networks Inter-Exchange |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 18h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4847 to originate 219.143.88.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 219.143.88.0/21 | /21 | AS4847 CNIX-AP | APNIC |
| 219.143.0.0/16 | /16 | AS4847 CNIX-AP | 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 |
|---|---|---|---|---|
| 219.143.88.0/21 | AS4847 CNIX-AP | RADB | regist for user | MAINT-AS4847 |
| 219.143.0.0/16 covering | AS4847 CNIX-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 219.143.0.0/16 covering | AS4847 CNIX-AP | RADB | CHINANET Beijing province network | MAINT-AS4847 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.