ResearchRouting table, looking glass, RPKI & IRR

103.219.100.0/23 China Unicom Shenzen network

Announced by AS17623 China Unicom Shenzen network. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 103.219.100.0/23

Origin
AS17623 CNCGROUP-SZ
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-15 08:02 UTC

How 103.219.100.0/23 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 4837×2 17623
OriginAS17623 China Unicom Shenzen network
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 5h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4837 17623
OriginAS17623 China Unicom Shenzen network
Origin codeIGP
Communities903:900 903:13760
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 17623
OriginAS17623 China Unicom Shenzen network
Origin codeIGP
Communities36295:100
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4837 17623
OriginAS17623 China Unicom Shenzen network
Origin codeIGP
Communitiesnone
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4837×2 17623
OriginAS17623 China Unicom Shenzen network
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 7h ago

Route origin authorizations

Covered by a ROA authorizing AS17623 to originate 103.219.100.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
103.219.100.0/23/23AS4816 CHINANET-IDC-GDAPNIC
103.219.100.0/23/23AS17623 CNCGROUP-SZAPNIC
103.219.100.0/23/23AS146772 PengChengNetAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
103.219.100.0/23AS17623 CNCGROUP-SZRADBroute of Chinaunicom AS17623 China Unicom Shenzen networkMAINT-AS10099
103.219.100.0/22 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
103.219.100.0/22 coveringAS4816 CHINANET-IDC-GDRADBShenzhen Pengcheng Communication Network Co., Ltd.-SZ IDC-Static multicastMAINT-AS4813

Check 103.219.100.0/23 live