ResearchRouting table, looking glass, RPKI & IRR

220.196.128.0/17 China Unicom Shanghai network

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

Summary

What the table says about 220.196.128.0/17

Prefix
220.196.128.0/17
Origin
AS17621 CNCGROUP-SH
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
66
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 16:02 UTC
Paths

How 220.196.128.0/17 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 13760 3356 4837 17621
OriginAS17621 China Unicom Shanghai network
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2051 36601:150 36601:2001 36601:13760
Updated1d 12h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4837 17621
OriginAS17621 China Unicom Shanghai network
Origin codeIGP
Communities903:900 903:13760
Updated7d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 17621
OriginAS17621 China Unicom Shanghai network
Origin codeIGP
Communities36295:100
Updated7d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4837 17621
OriginAS17621 China Unicom Shanghai network
Origin codeIGP
Communitiesnone
Updated7d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4837×2 17621
OriginAS17621 China Unicom Shanghai network
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 15h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS17621 to originate 220.196.128.0/17 up to /17. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
220.196.128.0/17/17AS17621 CNCGROUP-SHAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
220.196.128.0/17AS17621 CNCGROUP-SHLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
220.192.0.0/12 coveringAS4837 CHINA169-BackboneAPNICChina Unicom NetworkMAINT-CNCGROUP-RR
More specific

Prefixes inside 220.196.128.0/17

66 announced prefixes fall inside this one.

Show the 66 prefixes
220.196.128.0/24 AS140979 UNICOM-SHFT-IDC220.196.129.0/24 AS140979 UNICOM-SHFT-IDC220.196.130.0/24 AS140979 UNICOM-SHFT-IDC220.196.131.0/24 AS140979 UNICOM-SHFT-IDC220.196.132.0/24 AS140979 UNICOM-SHFT-IDC220.196.133.0/24 AS140979 UNICOM-SHFT-IDC220.196.134.0/24 AS140979 UNICOM-SHFT-IDC220.196.135.0/24 AS140979 UNICOM-SHFT-IDC220.196.136.0/24 AS140979 UNICOM-SHFT-IDC220.196.137.0/24 AS140979 UNICOM-SHFT-IDC220.196.138.0/24 AS140979 UNICOM-SHFT-IDC220.196.139.0/24 AS140979 UNICOM-SHFT-IDC220.196.140.0/24 AS140979 UNICOM-SHFT-IDC220.196.141.0/24 AS140979 UNICOM-SHFT-IDC220.196.142.0/24 AS140979 UNICOM-SHFT-IDC220.196.143.0/24 AS140979 UNICOM-SHFT-IDC220.196.144.0/24 AS140979 UNICOM-SHFT-IDC220.196.145.0/24 AS140979 UNICOM-SHFT-IDC220.196.146.0/24 AS140979 UNICOM-SHFT-IDC220.196.147.0/24 AS140979 UNICOM-SHFT-IDC220.196.148.0/24 AS140979 UNICOM-SHFT-IDC220.196.149.0/24 AS140979 UNICOM-SHFT-IDC220.196.150.0/24 AS140979 UNICOM-SHFT-IDC220.196.151.0/24 AS140979 UNICOM-SHFT-IDC220.196.152.0/24 AS140979 UNICOM-SHFT-IDC220.196.153.0/24 AS140979 UNICOM-SHFT-IDC220.196.154.0/24 AS140979 UNICOM-SHFT-IDC220.196.155.0/24 AS140979 UNICOM-SHFT-IDC220.196.156.0/24 AS140979 UNICOM-SHFT-IDC220.196.157.0/24 AS140979 UNICOM-SHFT-IDC220.196.158.0/24 AS140979 UNICOM-SHFT-IDC220.196.159.0/24 AS140979 UNICOM-SHFT-IDC220.196.160.0/24 AS140979 UNICOM-SHFT-IDC220.196.161.0/24 AS140979 UNICOM-SHFT-IDC220.196.164.0/22 AS138421 CU-CN-AS220.196.168.0/22 AS138421 CU-CN-AS220.196.172.0/22 AS138421 CU-CN-AS220.196.180.0/22 AS138421 CU-CN-AS220.196.184.0/24 AS138421 CU-CN-AS220.196.185.0/24 AS138421 CU-CN-AS220.196.186.0/23 AS138421 CU-CN-AS220.196.186.0/24 AS138421 CU-CN-AS220.196.187.0/24 AS138421 CU-CN-AS220.196.188.0/24 AS138421 CU-CN-AS220.196.189.0/24 AS138421 CU-CN-AS220.196.190.0/23 AS138421 CU-CN-AS220.196.196.0/22 AS140979 UNICOM-SHFT-IDC220.196.200.0/21 AS9929 CUII220.196.224.0/19 AS138421 CU-CN-AS220.196.224.0/21 AS17621 CNCGROUP-SH220.196.232.0/22 AS17621 CNCGROUP-SH220.196.235.0/24 AS17621 CNCGROUP-SH220.196.236.0/24 AS17621 CNCGROUP-SH220.196.237.0/24 AS17621 CNCGROUP-SH220.196.238.0/24 AS17621 CNCGROUP-SH220.196.239.0/24 AS17621 CNCGROUP-SH220.196.240.0/21 AS138421 CU-CN-AS220.196.240.0/24 AS138421 CU-CN-AS220.196.241.0/24 AS138421 CU-CN-AS220.196.242.0/24 AS138421 CU-CN-AS220.196.243.0/24 AS138421 CU-CN-AS220.196.244.0/24 AS138421 CU-CN-AS220.196.245.0/24 AS138421 CU-CN-AS220.196.246.0/24 AS138421 CU-CN-AS220.196.247.0/24 AS138421 CU-CN-AS220.196.248.0/22 AS138421 CU-CN-AS
Tools

Check 220.196.128.0/17 live

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