ResearchRouting table, looking glass, RPKI & IRR

182.40.176.0/21 Jinan,250000

Announced by AS58540 Jinan,250000. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 182.40.176.0/21

Origin
AS58540 CHINATELECOM-SHANDONG-JINAN-IDC
RPKI
RPKI valid
Size
2,048 addresses
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 16:02 UTC

How 182.40.176.0/21 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 58540
OriginAS58540 Jinan,250000
Origin codeincomplete
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated37m 11s ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 58540
OriginAS58540 Jinan,250000
Origin codeIGP
Communities903:900 903:13760
Updated37m 14s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 58540
OriginAS58540 Jinan,250000
Origin codeIGP
Communities36295:100
Updated37m 21s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 58540
OriginAS58540 Jinan,250000
Origin codeIGP
Communitiesnone
Updated37m 21s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 58540
OriginAS58540 Jinan,250000
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated36m 52s ago

Route origin authorizations

Covered by a ROA authorizing AS58540 to originate 182.40.176.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
182.40.176.0/21/21AS58540 CHINATELECOM-SHANDONG-JINAN-IDCAPNIC
182.32.0.0/12/12AS4134 CHINANET-BACKBONEAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
182.40.176.0/21AS58540 CHINATELECOM-SHANDONG-JINAN-IDCRADBChinanet Shandong province JinanIDC networkMAINT-AS58540
182.32.0.0/12 coveringAS4134 CHINANET-BACKBONERADBChina Telecom NetworkMAINT-CT-GNOC

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 182.40.176.0/21 live