ResearchRouting table, looking glass, RPKI & IRR

140.205.0.0/17

Nobody announces 140.205.0.0/17 on its own; it is covered by 140.205.0.0/16 AS37963 ALIBABA-CN-NET. Seen by 0 of our 5 looking glass sessions.

What the table says about 140.205.0.0/17

Origin
not announced
Size
32,768 addresses
More specifics
5
IRR route objects
2 exact, 3 covering

Route origin authorizations

Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
140.205.0.0/16/24AS37963 ALIBABA-CN-NETAPNIC
140.205.0.0/16/24AS45102 ALIBABA-CN-NETAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
140.205.0.0/17AS37963 ALIBABA-CN-NETAPNICChina Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,MAINT-CNNIC-AP
140.205.0.0/17AS45102 ALIBABA-CN-NETAPNICChina Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,MAINT-CNNIC-AP
140.205.0.0/16 coveringAS37963 ALIBABA-CN-NETAPNICHangzhou Alibaba Advertising Co.,Ltd.MAINT-CNNIC-AP
140.205.0.0/16 coveringAS45102 ALIBABA-CN-NETAPNICAlibaba (US) Technology Co., Ltd.MAINT-CNNIC-AP
140.205.0.0/16 coveringAS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 140.205.0.0/17 live