ResearchRouting table, looking glass, RPKI & IRR

120.133.239.0/24 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 120.133.239.0/24

Origin
AS17621 CNCGROUP-SH
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
4 exact, 12 covering
In RouteViews
2026-10-14 20:02 UTC

How 120.133.239.0/24 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
Updated6d 18h 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
Updated7d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities36295:100
Updated7d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communitiesnone
Updated7d 2h 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
Updated10d 20h ago

Route origin authorizations

Covered by a ROA authorizing AS17621 to originate 120.133.224.0/20 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
120.133.224.0/20/32AS4811 CHINANET-SHANGHAI-MANAPNIC
120.133.224.0/20/32AS9308 CHINA-ABITCOOLAPNIC
120.133.224.0/20/32AS9802 CHINA-ABITCOOLAPNIC
120.133.224.0/20/32AS17428 CHINA-ABITCOOLAPNIC
120.133.224.0/20/32AS17621 CNCGROUP-SHAPNIC
120.133.224.0/20/32AS23724 CHINANET-IDC-BJ-APAPNIC
120.133.224.0/20/32AS24400 CMNET-V4shanghai-AS-APAPNIC
120.133.224.0/20/32AS56046 CMNET-Jiangsu-APAPNIC
120.133.224.0/20/32AS59020 CHINA-21VIANETAPNIC
120.133.224.0/20/32AS133111 CNT-northChinaAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
120.133.239.0/24AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.133.239.0/24AS17621 CNCGROUP-SHLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.133.239.0/24AS4811 CHINANET-SHANGHAI-MANRADBSHIDCMAINT-AS4812
120.133.239.0/24AS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.238.0/23 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.236.0/22 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.232.0/21 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.224.0/20 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.224.0/19 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.192.0/18 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.128.0/17 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.0.0/16 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.133.0.0/16 coveringAS4835 CHINANET-IDC-SNRADBchinanet/CN2 shaanxi province networkMAINT-AS4835
120.133.0.0/16 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.133.0.0/16 coveringAS23724 CHINANET-IDC-BJ-APRADBChina Telecom Beijing Co. Ltd.MAINT-AS23724
120.133.0.0/16 coveringAS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 120.133.239.0/24 live