ResearchRouting table, looking glass, RPKI & IRR

43.240.192.0/22 China Unicom

Announced by AS138421 China Unicom. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS4812

What the table says about 43.240.192.0/22

Origin
AS138421 CU-CN-AS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC

How 43.240.192.0/22 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 4812
OriginAS4812 China Telecom (Group)
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4812
OriginAS4812 China Telecom (Group)
Origin codeIGP
Communities903:900 903:13760
Updated6d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4812
OriginAS4812 China Telecom (Group)
Origin codeIGP
Communities36295:100
Updated6d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4812
OriginAS4812 China Telecom (Group)
Origin codeIGP
Communitiesnone
Updated6d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 4812
OriginAS4812 China Telecom (Group)
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 18h ago

Route origin authorizations

Covered by a ROA authorizing AS138421 to originate 43.240.192.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
43.240.192.0/22/22AS4812 CHINANET-SH-APAPNIC
43.240.192.0/22/22AS138421 CU-CN-ASAPNIC

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
43.240.192.0/22AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
43.240.192.0/22AS4837 CHINA169-BackboneLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
43.240.192.0/22AS4812 CHINANET-SH-APRADBChinanet ShanghaiMAINT-AS4812
43.240.192.0/22AS138421 CU-CN-ASRADBNMAINT-AS58879

Check 43.240.192.0/22 live