203.190.18.0/23
Nobody announces 203.190.18.0/23 on its own; it is covered by 203.190.16.0/22 AS9922 NKB-AS-TW. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.190.18.0/23
Prefix
Origin
not announced
Size
512 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 5 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.190.16.0/21 | /24 | AS4780 SEEDNET | APNIC |
| 203.190.16.0/21 | /24 | AS9919 NCIC-TW | APNIC |
| 203.190.16.0/21 | /24 | AS9922 NKB-AS-TW | 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 |
|---|---|---|---|---|
| 203.190.18.0/23 | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route) | MAINT-AS9919 |
| 203.190.16.0/22 covering | AS9919 NCIC-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route) | MAINT-AS9919 |
| 203.190.16.0/22 covering | AS9922 NKB-AS-TW | RADB | New Century InfoComm Tech Co., Ltd. | MAINT-AS4780 |
| 203.190.16.0/21 covering | AS9919 NCIC-TW | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.190.16.0/21 covering | AS9919 NCIC-TW | RADB | HGC (customer route) | MAINT-AS9304 |
| 203.190.16.0/21 covering | AS9922 NKB-AS-TW | RADB | New Century InfoComm Tech Co., Ltd. | MAINT-AS4780 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 203.190.18.0/23
2 announced prefixes fall inside this one.