ResearchRouting table, looking glass, RPKI & IRR

202.90.100.0/22 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

Summary

What the table says about 202.90.100.0/22

Prefix
202.90.100.0/22
Origin
AS17621 CNCGROUP-SH
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 6 covering
In RouteViews
2026-10-13 08:02 UTC
Paths

How 202.90.100.0/22 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
Updated5d 7h 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
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communities36295:100
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4811
OriginAS4811 China Telecom (Group)
Origin codeIGP
Communitiesnone
Updated5d 16h 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
Updated9d 9h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS17621 to originate 202.90.100.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
202.90.100.0/22/22AS4811 CHINANET-SHANGHAI-MANAPNIC
202.90.100.0/22/22AS17621 CNCGROUP-SHAPNIC
202.90.100.0/22/22AS63619 SKYUNNETAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
202.90.100.0/22AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
202.90.100.0/22AS17621 CNCGROUP-SHLEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
202.90.100.0/22AS4811 CHINANET-SHANGHAI-MANRADBSHIDCMAINT-AS4812
202.90.96.0/21 coveringAS4755 TATACOMM-ASRADBDishnet Wireless-VSNL Route ObjectMAINT-VSNL-IN
202.90.96.0/20 coveringAS4755 TATACOMM-ASRADBVSNL Route ObjectMAINT-VSNL-IN
202.90.96.0/20 coveringAS4811 CHINANET-SHANGHAI-MANRADBSHIDCMAINT-AS4812
202.90.96.0/20 coveringAS4812 CHINANET-SH-APRADBChinanet ShanghaiMAINT-AS4812
202.90.96.0/20 coveringAS24186 RAILTEL-AS-INRADBRAILTEL-IN-VSNL Route ObjectMAINT-VSNL-IN
202.90.96.0/20 coveringAS45169RADBDescon Limited - Reliance Communication customerMAINT-AS18101
Tools

Check 202.90.100.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API