ResearchRouting table, looking glass, RPKI & IRR

175.102.19.0/24 China Unicom Shanghai network

Announced by AS17621 China Unicom Shanghai network. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS4811

What the table says about 175.102.19.0/24

Origin
AS17621 CNCGROUP-SH
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 2 covering
In RouteViews
2026-10-12 16:02 UTC

How 175.102.19.0/24 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 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 13h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities903:900 903:13760
Updated4d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities36295:100
Updated4d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communitiesnone
Updated4d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 15h ago

Route origin authorizations

Covered by a ROA authorizing AS17621 to originate 175.102.19.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
175.102.19.0/24/24AS4811 CHINANET-SHANGHAI-MANAPNIC
175.102.19.0/24/24AS17621 CNCGROUP-SHAPNIC
175.102.19.0/24/24AS45086 YOVOLEAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
175.102.19.0/24AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
175.102.19.0/24AS45086 YOVOLENTTCOMCMI IP TransitMAINT-CMI-INT-HK
175.102.19.0/24AS4811 CHINANET-SHANGHAI-MANRADBSHIDCMAINT-AS4812
175.102.19.0/24AS45086 YOVOLERADBCMI (Customer Route)MAINT-AS58453
175.102.18.0/23 coveringAS17621 CNCGROUP-SHNTTCOMCMI IP TransitMAINT-CMI-INT-HK
175.102.18.0/23 coveringAS17621 CNCGROUP-SHRADBCMI (Customer Route)MAINT-AS58453

Check 175.102.19.0/24 live