223.121.0.0/21
Nobody announces 223.121.0.0/21 on its own; it is covered by 223.121.0.0/17 AS58453 CMI-INT-HK. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 223.121.0.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
1
IRR route objects
1 exact, 9 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 223.121.0.0/17 | /24 | AS58453 CMI-INT-HK | 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 |
|---|---|---|---|---|
| 223.121.0.0/21 | AS58453 CMI-INT-HK | APNIC | China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road | MAINT-CMI-INT-HK |
| 223.121.0.0/20 covering | AS58453 CMI-INT-HK | APNIC | China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road | MAINT-CMI-INT-HK |
| 223.121.0.0/19 covering | AS58453 CMI-INT-HK | APNIC | China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road | MAINT-CMI-INT-HK |
| 223.121.0.0/18 covering | AS58453 CMI-INT-HK | APNIC | China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road | MAINT-CMI-INT-HK |
| 223.121.0.0/17 covering | AS58453 CMI-INT-HK | APNIC | China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road | MAINT-CMI-INT-HK |
| 223.121.0.0/16 covering | AS58453 CMI-INT-HK | RADB | China Mobile International Limited | MAINT-AS58453 |
| 223.120.0.0/15 covering | AS58453 CMI-INT-HK | RADB | China Mobile International Limited | MAINT-AS58453 |
| 223.112.0.0/12 covering | AS9808 CHINAMOBILE-CN | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 223.112.0.0/12 covering | AS9808 CHINAMOBILE-CN | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 223.64.0.0/10 covering | AS9808 CHINAMOBILE-CN | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 223.121.0.0/21
1 announced prefix fall inside this one.