203.21.152.0/23
Nobody announces 203.21.152.0/23 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.21.152.0/23
Prefix
Origin
not announced
Size
512 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 1 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.21.152.0/23 | /24 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | APNIC |
| 203.21.152.0/23 | /24 | AS9435 SCSPL-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 |
|---|---|---|---|---|
| 203.21.152.0/23 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK | APNIC | Suncorp-Metway Limited 123 Albert St | MAINT-SCSPL-AU |
| 203.21.152.0/23 | AS9435 SCSPL-AS-AP | APNIC | Suncorp-Metway Limited 123 Albert St | MAINT-SCSPL-AU |
| 203.21.128.0/18 covering | AS198949 Radware | RADB | IRIDEOS | MAINT-AS198949 |
More specific
Prefixes inside 203.21.152.0/23
2 announced prefixes fall inside this one.