ResearchRouting table, looking glass, RPKI & IRR

58.217.192.0/21 Nanjing, Jiangsu Province, P.R.China.

Announced by AS137702 Nanjing, Jiangsu Province, P.R.China. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 58.217.192.0/21

Origin
AS137702 CHINATELECOM-JIANGSU-NANJING-IDC
RPKI
RPKI valid
Size
2,048 addresses
More specifics
1
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-13 12:02 UTC

How 58.217.192.0/21 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 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 12h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities903:900 903:13760
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities36295:100
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 137702
OriginAS137702 Nanjing, Jiangsu Province, P.R.China.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 14h ago

Route origin authorizations

Covered by a ROA authorizing AS137702 to originate 58.217.192.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
58.217.192.0/21/21AS137702 CHINATELECOM-JIANGSU-NANJING-IDCAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
58.217.192.0/21AS137702 CHINATELECOM-JIANGSU-NANJING-IDCRADBCTJS NJ-IDCMAINT-AS137702
58.208.0.0/12 coveringAS4134 CHINANET-BACKBONERADBfor suzhou manMAINT-CT-GNOC
58.208.0.0/12 coveringAS38197 SUNHK-DATA-AS-APRADBMega-II IDCMAINT-AS38197

Covering prefixes

Announced prefixes that contain this one, most specific first.

Prefixes inside 58.217.192.0/21

1 announced prefix fall inside this one.

Show the 1 prefixes

Check 58.217.192.0/21 live