210.5.128.0/21
Nobody announces 210.5.128.0/21 on its own; it is covered by 210.5.128.0/20 AS4837 CHINA169-Backbone. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 210.5.128.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 210.5.128.0/21 | /21 | AS9929 CUII | APNIC |
| 210.5.128.0/20 | /20 | AS4837 CHINA169-Backbone | 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 |
|---|---|---|---|---|
| 210.5.128.0/21 | AS9929 CUII | APNIC | China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | MAINT-CNCGROUP-RR |
| 210.5.128.0/20 covering | AS4837 CHINA169-Backbone | APNIC | China Unicom China169 Network | MAINT-CNCGROUP-RR |
| 210.5.128.0/20 covering | AS4837 CHINA169-Backbone | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 210.5.128.0/20 covering | AS4837 CHINA169-Backbone | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.