203.205.4.0/22
Nobody announces 203.205.4.0/22 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.205.4.0/22
Prefix
Origin
not announced
Size
1,024 addresses
Less specific
none
More specifics
4
IRR route objects
3 exact, 10 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.205.0.0/21 | /24 | AS45903 CMCTELECOM-VN | 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 |
|---|---|---|---|---|
| 203.205.4.0/22 | AS45903 CMCTELECOM-VN | APNIC | CMCTELECOM-VN | MAINT-VN-VNNIC |
| 203.205.4.0/22 | AS45903 CMCTELECOM-VN | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.205.4.0/22 | AS45903 CMCTELECOM-VN | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 203.205.0.0/21 covering | AS45903 CMCTELECOM-VN | APNIC | CMCTELECOM-VN | MAINT-VN-VNNIC |
| 203.205.0.0/21 covering | AS45903 CMCTELECOM-VN | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.205.0.0/21 covering | AS45903 CMCTELECOM-VN | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 203.205.0.0/20 covering | AS45903 CMCTELECOM-VN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.205.0.0/20 covering | AS45903 CMCTELECOM-VN | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 203.205.0.0/19 covering | AS45903 CMCTELECOM-VN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.205.0.0/19 covering | AS45903 CMCTELECOM-VN | RADB | Proxy-registered route object | MAINT-HGC-INTL |
| 203.205.0.0/18 covering | AS45903 CMCTELECOM-VN | APNIC | CMCTELECOM-VN | MAINT-VN-VNNIC |
| 203.205.0.0/18 covering | AS45903 CMCTELECOM-VN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.205.0.0/18 covering | AS45903 CMCTELECOM-VN | RADB | Proxy-registered route object | MAINT-HGC-INTL |
More specific
Prefixes inside 203.205.4.0/22
4 announced prefixes fall inside this one.