203.163.221.0/24
Nobody announces 203.163.221.0/24 on its own; it is covered by 203.163.220.0/23 AS17408 ABOVE-AS-AP. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.163.221.0/24
Prefix
Origin
not announced
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 7 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.163.220.0/23 | /23 | AS17408 ABOVE-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 |
|---|---|---|---|---|
| 203.163.221.0/24 | AS17408 ABOVE-AS-AP | APNIC | Chief Telecom Inc. 2F, No. 68, Ruiguanf Rd., NeiHu District, | MAINT-TW-CHIEF |
| 203.163.220.0/23 covering | AS17408 ABOVE-AS-AP | APNIC | Chief Telecom Inc. 2F, No. 68, Ruiguanf Rd., NeiHu District, | MAINT-TW-CHIEF |
| 203.163.220.0/23 covering | AS17408 ABOVE-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.163.220.0/23 covering | AS17408 ABOVE-AS-AP | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 203.163.220.0/23 covering | AS17408 ABOVE-AS-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.163.208.0/20 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.163.192.0/19 covering | AS9831 UNIGATE-AS-AP | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 203.163.192.0/19 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.