58.251.128.0/18
Nobody announces 58.251.128.0/18 on its own; it is covered by 58.251.0.0/16 AS17623 CNCGROUP-SZ. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 58.251.128.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
More specifics
18
IRR route objects
1 exact, 6 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 58.251.0.0/16 | /16 | AS17623 CNCGROUP-SZ | APNIC |
| 58.248.0.0/13 | /13 | 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 |
|---|---|---|---|---|
| 58.251.128.0/18 | AS17623 CNCGROUP-SZ | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 58.251.0.0/16 covering | AS17623 CNCGROUP-SZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 58.251.0.0/16 covering | AS17623 CNCGROUP-SZ | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 58.250.0.0/15 covering | AS17623 CNCGROUP-SZ | APNIC | CNC Group CHINA169 Guangdong Province Network | MAINT-CNCGROUP-RR |
| 58.248.0.0/14 covering | AS17816 CHINA169-GZ | APNIC | China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | MAINT-CNCGROUP-RR |
| 58.248.0.0/13 covering | AS17816 CHINA169-GZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 58.248.0.0/13 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 58.251.128.0/18
18 announced prefixes fall inside this one.
Show the 18 prefixes
58.251.128.0/24 AS17623 CNCGROUP-SZ58.251.129.0/24 AS17623 CNCGROUP-SZ58.251.131.0/24 AS17623 CNCGROUP-SZ58.251.136.0/24 AS17623 CNCGROUP-SZ58.251.138.0/24 AS17623 CNCGROUP-SZ58.251.140.0/24 AS17623 CNCGROUP-SZ58.251.141.0/24 AS17623 CNCGROUP-SZ58.251.146.0/24 AS17623 CNCGROUP-SZ58.251.149.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.156.0/24 AS17623 CNCGROUP-SZ58.251.158.0/24 AS17623 CNCGROUP-SZ58.251.161.0/24 AS17623 CNCGROUP-SZ58.251.162.0/24 AS17623 CNCGROUP-SZ58.251.163.0/24 AS17623 CNCGROUP-SZ58.251.165.0/24 AS17623 CNCGROUP-SZ58.251.167.0/24 AS17623 CNCGROUP-SZ58.251.168.0/24 AS17623 CNCGROUP-SZ58.251.169.0/24 AS17623 CNCGROUP-SZ