240a:ab37::/32 China Education and Research Network (CERNET)
Announced by AS145521 China Education and Research Network (CERNET). RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 240a:ab37::/32
Prefix
Origin
AS145521 AS145521-312
RPKI
RPKI valid
Size
4,294,967,296 /64s
Less specific
none
More specifics
0
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-12 12:08 UTC
Paths
How 240a:ab37::/32 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 4538 23911 38255 145521
| Origin | AS145521 China Education and Research Network (CERNET) |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:2001 |
| Updated | 4d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6939 38255×2 145521
| Origin | AS145521 China Education and Research Network (CERNET) |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 38255×2 145521
| Origin | AS145521 China Education and Research Network (CERNET) |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS145521 to originate 240a:ab37::/32 up to /32. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 240a:ab37::/32 | /32 | AS4538 ERX-CERNET-BKB | APNIC |
| 240a:ab37::/32 | /32 | AS23910 CNGI-CERNET2-AS-AP | APNIC |
| 240a:ab37::/32 | /32 | AS145521 AS145521-312 | APNIC |