ResearchRouting table, looking glass, RPKI & IRR

122.11.40.0/21 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 AS23724

What the table says about 122.11.40.0/21

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

How 122.11.40.0/21 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 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 14h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities903:900 903:13760
Updated7d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated2h 54m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communitiesnone
Updated7d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 23724
OriginAS23724 IDC, China Telecommunications Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 15h ago

Route origin authorizations

Covered by a ROA authorizing AS4808 to originate 122.11.40.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
122.11.40.0/21/21AS4808 CHINA169-BJAPNIC
122.11.40.0/21/21AS23724 CHINANET-IDC-BJ-APAPNIC
122.11.40.0/21/21AS56048 CMNET-BEIJING-APAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
122.11.40.0/21AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
122.11.40.0/21AS4808 CHINA169-BJLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
122.11.40.0/21AS23724 CHINANET-IDC-BJ-APRADBChina Telecom Beijing Co. Ltd.MAINT-AS23724
122.11.40.0/21AS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453

Check 122.11.40.0/21 live