ResearchRouting table, looking glass, RPKI & IRR

211.148.22.0/24 21Vianet.Co.,Ltd

Announced by AS17428 21Vianet.Co.,Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 211.148.22.0/24

Origin
AS17428 CHINA-ABITCOOL
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-13 17:13 UTC

How 211.148.22.0/24 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 17428
OriginAS17428 21Vianet.Co.,Ltd
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 16h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4811 17428
OriginAS17428 21Vianet.Co.,Ltd
Origin codeIGP
Communities903:900 903:13760
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4811 17428
OriginAS17428 21Vianet.Co.,Ltd
Origin codeIGP
Communities36295:100
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4134 4811 17428
OriginAS17428 21Vianet.Co.,Ltd
Origin codeIGP
Communities174:21001 174:22013
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 4811 17428
OriginAS17428 21Vianet.Co.,Ltd
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 17h ago

Route origin authorizations

Covered by a ROA authorizing AS17428 to originate 211.148.20.0/22 up to /32. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
211.148.20.0/22/32AS4811 CHINANET-SHANGHAI-MANAPNIC
211.148.20.0/22/32AS17428 CHINA-ABITCOOLAPNIC
211.148.20.0/22/32AS17621 CNCGROUP-SHAPNIC
211.148.20.0/22/32AS18244 STIDCAPNIC
211.148.20.0/22/32AS24400 CMNET-V4shanghai-AS-APAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
211.148.22.0/24AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
211.148.20.0/22 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
211.148.20.0/22 coveringAS17428 CHINA-ABITCOOLNTTCOM21Vianet IP NetworkMAINT-AS17428
211.148.0.0/18 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
211.148.0.0/18 coveringAS4812 CHINANET-SH-APRADBChinanet ShanghaiMAINT-AS4812

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 211.148.22.0/24 live