47.87.4.0/22
Nobody announces 47.87.4.0/22 on its own; it is covered by 47.87.0.0/19 AS45102 ALIBABA-CN-NET. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 47.87.4.0/22
Prefix
Origin
not announced
Size
1,024 addresses
Less specific
More specifics
3
IRR route objects
2 exact, 18 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 47.87.0.0/16 | /24 | AS45102 ALIBABA-CN-NET | ARIN |
| 47.87.0.0/16 | /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 |
|---|---|---|---|---|
| 47.87.4.0/22 | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.4.0/22 | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/21 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/21 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/20 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/20 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/19 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/19 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/18 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/18 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/17 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/17 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.87.0.0/16 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.87.0.0/16 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.86.0.0/15 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.86.0.0/15 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.84.0.0/14 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.84.0.0/14 covering | AS45102 ALIBABA-CN-NET | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 47.80.0.0/13 covering | AS45102 ALIBABA-CN-NET | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 47.80.0.0/13 covering | AS45102 ALIBABA-CN-NET | RADB | kaopucloud | MAINT-AS8966 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 47.87.4.0/22
3 announced prefixes fall inside this one.