ResearchRouting table, looking glass, RPKI & IRR

223.223.176.0/21 China Unicom Beijing Province Network

Announced by AS4808 China Unicom Beijing Province Network. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS4847

What the table says about 223.223.176.0/21

Origin
AS4808 CHINA169-BJ
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC

How 223.223.176.0/21 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 4837 4808
OriginAS4808 China Unicom Beijing Province Network
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4847
OriginAS4847 China Networks Inter-Exchange
Origin codeIGP
Communities903:900 903:13760
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4837 4808
OriginAS4808 China Unicom Beijing Province Network
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated4h 47m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4837 4808
OriginAS4808 China Unicom Beijing Province Network
Origin codeIGP
Communities174:21001 174:22013
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4837 4808
OriginAS4808 China Unicom Beijing Province Network
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 17h ago

Route origin authorizations

Covered by a ROA authorizing AS4808 to originate 223.223.176.0/21 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
223.223.176.0/21/32AS4808 CHINA169-BJAPNIC
223.223.176.0/21/32AS4847 CNIX-APAPNIC
223.223.176.0/21/32AS45064 ZSPNETAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
223.223.176.0/21AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
223.223.176.0/21AS4808 CHINA169-BJLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
223.223.176.0/21AS4847 CNIX-APRADBregister for userMAINT-AS4847

Check 223.223.176.0/21 live