ResearchRouting table, looking glass, RPKI & IRR

240a:a2b9::/32 China Education and Research Network (CERNET)

Announced by AS143347 China Education and Research Network (CERNET). RPKI valid Seen by 4 of our 5 looking glass sessions.

What the table says about 240a:a2b9::/32

Origin
AS143347 AS143347-184
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 20:06 UTC

How 240a:a2b9::/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 13760 7029 6939 38255×2 143347
OriginAS143347 China Education and Research Network (CERNET)
Origin codeIGP
Communities7029:2089 36601:150 36601:2001
Updated30s ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6939 38255×2 143347
OriginAS143347 China Education and Research Network (CERNET)
Origin codeIGP
Communities903:13760
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 38255×2 143347
OriginAS143347 China Education and Research Network (CERNET)
Origin codeIGP
Communities36295:100
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 38255×2 143347
OriginAS143347 China Education and Research Network (CERNET)
Origin codeIGP
Communitiesnone
Updated5d 2h ago

Route origin authorizations

Covered by a ROA authorizing AS143347 to originate 240a:a2b9::/32 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
240a:a2b9::/32/32AS4538 ERX-CERNET-BKBAPNIC
240a:a2b9::/32/32AS23910 CNGI-CERNET2-AS-APAPNIC
240a:a2b9::/32/32AS143347 AS143347-184APNIC

Check 240a:a2b9::/32 live