163.181.128.0/18
Nobody announces 163.181.128.0/18 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 163.181.128.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
none
More specifics
56
IRR route objects
1 exact, 6 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.181.0.0/16 | /24 | AS24429 Taobao | ARIN |
| 163.181.0.0/16 | /24 | AS45102 ALIBABA-CN-NET | ARIN |
| 163.181.0.0/16 | /24 | AS134963 ASEPL-AS-AP | ARIN |
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 |
|---|---|---|---|---|
| 163.181.128.0/18 | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 163.181.128.0/17 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 163.181.0.0/16 covering | AS45102 ALIBABA-CN-NET | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 163.181.0.0/16 covering | AS134963 ASEPL-AS-AP | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 163.181.0.0/16 covering | AS45102 ALIBABA-CN-NET | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 163.181.0.0/16 covering | AS24429 Taobao | RADB | ALIBABA CLOUD CDN | MAINT-ALIBABA-CLOUD |
| 163.181.0.0/16 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba-AS | MAINT-AS9318 |
More specific
Prefixes inside 163.181.128.0/18
56 announced prefixes fall inside this one.
Show the 56 prefixes
163.181.128.0/24 AS24429 Taobao163.181.129.0/24 AS24429 Taobao163.181.131.0/24 AS24429 Taobao163.181.132.0/24 AS24429 Taobao163.181.135.0/24 AS24429 Taobao163.181.136.0/24 AS24429 Taobao163.181.137.0/24 AS24429 Taobao163.181.138.0/24 AS24429 Taobao163.181.139.0/24 AS24429 Taobao163.181.140.0/24 AS24429 Taobao163.181.142.0/24 AS24429 Taobao163.181.143.0/24 AS24429 Taobao163.181.144.0/24 AS24429 Taobao163.181.145.0/24 AS24429 Taobao163.181.146.0/24 AS24429 Taobao163.181.147.0/24 AS24429 Taobao163.181.148.0/24 AS24429 Taobao163.181.149.0/24 AS24429 Taobao163.181.150.0/24 AS24429 Taobao163.181.152.0/24 AS24429 Taobao163.181.153.0/24 AS24429 Taobao163.181.154.0/24 AS24429 Taobao163.181.155.0/24 AS24429 Taobao163.181.156.0/24 AS24429 Taobao163.181.157.0/24 AS24429 Taobao163.181.158.0/24 AS24429 Taobao163.181.159.0/24 AS24429 Taobao163.181.160.0/24 AS24429 Taobao163.181.163.0/24 AS24429 Taobao163.181.164.0/24 AS24429 Taobao163.181.165.0/24 AS24429 Taobao163.181.166.0/24 AS24429 Taobao163.181.167.0/24 AS24429 Taobao163.181.168.0/24 AS24429 Taobao163.181.169.0/24 AS24429 Taobao163.181.170.0/24 AS24429 Taobao163.181.171.0/24 AS24429 Taobao163.181.172.0/24 AS24429 Taobao163.181.173.0/24 AS24429 Taobao163.181.174.0/24 AS24429 Taobao163.181.175.0/24 AS24429 Taobao163.181.176.0/24 AS24429 Taobao163.181.177.0/24 AS24429 Taobao163.181.178.0/24 AS24429 Taobao163.181.179.0/24 AS24429 Taobao163.181.180.0/24 AS24429 Taobao163.181.181.0/24 AS24429 Taobao163.181.182.0/24 AS24429 Taobao163.181.183.0/24 AS24429 Taobao163.181.184.0/24 AS24429 Taobao163.181.185.0/24 AS24429 Taobao163.181.186.0/24 AS24429 Taobao163.181.187.0/24 AS24429 Taobao163.181.188.0/24 AS24429 Taobao163.181.190.0/24 AS24429 Taobao163.181.191.0/24 AS24429 Taobao