203.107.0.0/18
Nobody announces 203.107.0.0/18 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.107.0.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
none
More specifics
35
IRR route objects
3 exact, 4 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.107.0.0/17 | /24 | AS37963 ALIBABA-CN-NET | APNIC |
| 203.107.0.0/17 | /24 | AS45102 ALIBABA-CN-NET | APNIC |
| 203.107.0.0/17 | /24 | AS134963 ASEPL-AS-AP | 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 |
|---|---|---|---|---|
| 203.107.0.0/18 | AS37963 ALIBABA-CN-NET | APNIC | Alibaba (US) Technology Co., Ltd. | MAINT-CNNIC-AP |
| 203.107.0.0/18 | AS45102 ALIBABA-CN-NET | APNIC | Alibaba (US) Technology Co., Ltd. | MAINT-CNNIC-AP |
| 203.107.0.0/18 | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.107.0.0/17 covering | AS37963 ALIBABA-CN-NET | APNIC | Hangzhou Alibaba Advertising Co.,Ltd. | MAINT-CNNIC-AP |
| 203.107.0.0/17 covering | AS45102 ALIBABA-CN-NET | APNIC | Alibaba (US) Technology Co., Ltd. | MAINT-CNNIC-AP |
| 203.107.0.0/17 covering | AS45102 ALIBABA-CN-NET | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.107.0.0/17 covering | AS45102 ALIBABA-CN-NET | RADB | CMI (Customer Route) | MAINT-AS58453 |
More specific
Prefixes inside 203.107.0.0/18
35 announced prefixes fall inside this one.
Show the 35 prefixes
203.107.1.0/24 AS37963 ALIBABA-CN-NET203.107.2.0/24 AS45102 ALIBABA-CN-NET203.107.3.0/24 AS45102 ALIBABA-CN-NET203.107.6.0/24 AS37963 ALIBABA-CN-NET203.107.13.0/24 AS37963 ALIBABA-CN-NET203.107.14.0/24 AS37963 ALIBABA-CN-NET203.107.20.0/24 AS37963 ALIBABA-CN-NET203.107.21.0/24 AS37963 ALIBABA-CN-NET203.107.22.0/24 AS37963 ALIBABA-CN-NET203.107.23.0/24 AS37963 ALIBABA-CN-NET203.107.26.0/23 AS37963 ALIBABA-CN-NET203.107.28.0/23 AS37963 ALIBABA-CN-NET203.107.30.0/23 AS37963 ALIBABA-CN-NET203.107.32.0/19 AS37963 ALIBABA-CN-NET203.107.32.0/21 AS37963 ALIBABA-CN-NET203.107.32.0/22 AS37963 ALIBABA-CN-NET203.107.36.0/22 AS37963 ALIBABA-CN-NET203.107.40.0/22 AS37963 ALIBABA-CN-NET203.107.40.0/23 AS37963 ALIBABA-CN-NET203.107.42.0/23 AS37963 ALIBABA-CN-NET203.107.44.0/22 AS37963 ALIBABA-CN-NET203.107.44.0/23 AS37963 ALIBABA-CN-NET203.107.46.0/23 AS37963 ALIBABA-CN-NET203.107.48.0/22 AS37963 ALIBABA-CN-NET203.107.48.0/23 AS37963 ALIBABA-CN-NET203.107.50.0/23 AS37963 ALIBABA-CN-NET203.107.52.0/22 AS37963 ALIBABA-CN-NET203.107.52.0/23 AS37963 ALIBABA-CN-NET203.107.54.0/23 AS37963 ALIBABA-CN-NET203.107.56.0/22 AS37963 ALIBABA-CN-NET203.107.56.0/23 AS37963 ALIBABA-CN-NET203.107.58.0/23 AS37963 ALIBABA-CN-NET203.107.60.0/22 AS37963 ALIBABA-CN-NET203.107.60.0/23 AS37963 ALIBABA-CN-NET203.107.62.0/23 AS37963 ALIBABA-CN-NET