ResearchRouting table, looking glass, RPKI & IRR

120.132.136.0/23 China Telecom (Group)

Announced by AS4811 China Telecom (Group). RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 120.132.136.0/23

Prefix
120.132.136.0/23
Origin
AS4811 CHINANET-SHANGHAI-MAN
RPKI
RPKI valid
Size
512 addresses
Less specific
120.132.128.0/17 AS23724 CHINANET-IDC-BJ-AP
More specifics
0
IRR route objects
4 exact, 13 covering
In RouteViews
2026-10-16 16:02 UTC
Paths

How 120.132.136.0/23 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 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated8d 15h 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
Updated8d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated1d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communitiesnone
Updated8d 23h 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
Updated12d 16h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS4811 to originate 120.132.128.0/17 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
120.132.128.0/17/32AS4808 CHINA169-BJAPNIC
120.132.128.0/17/32AS4811 CHINANET-SHANGHAI-MANAPNIC
120.132.128.0/17/32AS4835 CHINANET-IDC-SNAPNIC
120.132.128.0/17/32AS4847 CNIX-APAPNIC
120.132.128.0/17/32AS9308 CHINA-ABITCOOLAPNIC
120.132.128.0/17/32AS9802 CHINA-ABITCOOLAPNIC
120.132.128.0/17/32AS9808 CHINAMOBILE-CNAPNIC
120.132.128.0/17/32AS17428 CHINA-ABITCOOLAPNIC
120.132.128.0/17/32AS17621 CNCGROUP-SHAPNIC
120.132.128.0/17/32AS17622 CNCGROUP-GZAPNIC
120.132.128.0/17/32AS18244 STIDCAPNIC
120.132.128.0/17/32AS23724 CHINANET-IDC-BJ-APAPNIC
120.132.128.0/17/32AS24400 CMNET-V4shanghai-AS-APAPNIC
120.132.128.0/17/32AS56040 CMNET-GuangDong-APAPNIC
120.132.128.0/17/32AS56048 CMNET-BEIJING-APAPNIC
120.132.128.0/17/32AS58466 CT-Guangzhou-IDCAPNIC
120.132.128.0/17/32AS59020 CHINA-21VIANETAPNIC
120.132.128.0/17/32AS133111 CNT-northChinaAPNIC
120.132.128.0/17/32AS141679 CHINATELECOM-IDC-BTHBD-APAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
120.132.136.0/23AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.132.136.0/23AS4811 CHINANET-SHANGHAI-MANRADBSHIDCMAINT-AS4812
120.132.136.0/23AS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.136.0/23AS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453
120.132.136.0/22 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.132.136.0/22 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.136.0/22 coveringAS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453
120.132.136.0/21 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.128.0/20 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.128.0/19 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.128.0/19 coveringAS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453
120.132.128.0/18 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.128.0/17 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
120.132.128.0/17 coveringAS4835 CHINANET-IDC-SNRADBchinanet/CN2 shaanxi province networkMAINT-AS4835
120.132.128.0/17 coveringAS17428 CHINA-ABITCOOLRADBProxy-registered route objectMAINT-HGC-INTL
120.132.128.0/17 coveringAS23724 CHINANET-IDC-BJ-APRADBChina Telecom Beijing Co. Ltd.MAINT-AS23724
120.132.128.0/17 coveringAS56048 CMNET-BEIJING-APRADBCMI (Customer Route)MAINT-AS58453
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

120.132.128.0/17 AS23724 CHINANET-IDC-BJ-AP
Tools

Check 120.132.136.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API