157.255.232.0/21
Nobody announces 157.255.232.0/21 on its own; it is covered by 157.255.224.0/20 AS135061 UNICOM-ShenZhen-IDC. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 157.255.232.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
3
IRR route objects
1 exact, 4 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 157.255.224.0/20 | /20 | AS135061 UNICOM-ShenZhen-IDC | APNIC |
| 157.255.0.0/16 | /16 | AS17816 CHINA169-GZ | 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 |
|---|---|---|---|---|
| 157.255.232.0/21 | AS17623 CNCGROUP-SZ | APNIC | China Unicom CHINA169 Shenzhen Network | MAINT-CNCGROUP-RR |
| 157.255.224.0/20 covering | AS135061 UNICOM-ShenZhen-IDC | APNIC | China Unicom CHINA169 Guangdong Network | MAINT-CNCGROUP-RR |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | APNIC | China Unicom Guangdong Province Network | MAINT-CNCGROUP-RR |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 157.255.232.0/21
3 announced prefixes fall inside this one.