140.205.0.0/18
Nobody announces 140.205.0.0/18 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.
Summary
What the table says about 140.205.0.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
More specifics
3
IRR route objects
2 exact, 5 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 140.205.0.0/16 | /24 | AS37963 ALIBABA-CN-NET | APNIC |
| 140.205.0.0/16 | /24 | AS45102 ALIBABA-CN-NET | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 140.205.0.0/18 | AS37963 ALIBABA-CN-NET | APNIC | China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | MAINT-CNNIC-AP |
| 140.205.0.0/18 | AS45102 ALIBABA-CN-NET | APNIC | China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | MAINT-CNNIC-AP |
| 140.205.0.0/17 covering | AS37963 ALIBABA-CN-NET | APNIC | China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | MAINT-CNNIC-AP |
| 140.205.0.0/17 covering | AS45102 ALIBABA-CN-NET | APNIC | China 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 covering | AS37963 ALIBABA-CN-NET | APNIC | Hangzhou Alibaba Advertising Co.,Ltd. | MAINT-CNNIC-AP |
| 140.205.0.0/16 covering | AS45102 ALIBABA-CN-NET | APNIC | Alibaba (US) Technology Co., Ltd. | MAINT-CNNIC-AP |
| 140.205.0.0/16 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 140.205.0.0/18
3 announced prefixes fall inside this one.