47.245.152.0/21
Nobody announces 47.245.152.0/21 on its own; it is covered by 47.245.128.0/18 AS45102 ALIBABA-CN-NET. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 47.245.152.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
4
IRR route objects
1 exact, 12 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 47.245.0.0/16 | /24 | AS45102 ALIBABA-CN-NET | ARIN |
| 47.245.0.0/16 | /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 |
|---|---|---|---|---|
| 47.245.152.0/21 | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.144.0/20 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.128.0/19 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.128.0/18 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.128.0/18 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 47.245.128.0/17 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.128.0/17 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 47.245.0.0/16 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.245.0.0/16 covering | AS45102 ALIBABA-CN-NET | RADB | kaopucloud | MAINT-AS8966 |
| 47.244.0.0/15 covering | AS45102 ALIBABA-CN-NET | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 47.244.0.0/15 covering | AS134963 ASEPL-AS-AP | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 47.244.0.0/15 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.244.0.0/15 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba via EMIX | MAINT-AS8966 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 47.245.152.0/21
4 announced prefixes fall inside this one.