58.251.0.0/17
Nobody announces 58.251.0.0/17 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 58.251.0.0/17
Prefix
Origin
not announced
Size
32,768 addresses
Less specific
More specifics
67
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 |
|---|---|---|---|---|
| 58.251.0.0/17 | 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 58.251.0.0/17
67 announced prefixes fall inside this one.
Show the 67 prefixes
58.251.5.0/24 AS17623 CNCGROUP-SZ58.251.7.0/24 AS17623 CNCGROUP-SZ58.251.11.0/24 AS17623 CNCGROUP-SZ58.251.13.0/24 AS17623 CNCGROUP-SZ58.251.14.0/24 AS17623 CNCGROUP-SZ58.251.15.0/24 AS17623 CNCGROUP-SZ58.251.23.0/24 AS17623 CNCGROUP-SZ58.251.25.0/24 AS17623 CNCGROUP-SZ58.251.29.0/24 AS17623 CNCGROUP-SZ58.251.30.0/24 AS17623 CNCGROUP-SZ58.251.36.0/24 AS17623 CNCGROUP-SZ58.251.40.0/24 AS17623 CNCGROUP-SZ58.251.41.0/24 AS17623 CNCGROUP-SZ58.251.44.0/24 AS17623 CNCGROUP-SZ58.251.45.0/24 AS17623 CNCGROUP-SZ58.251.48.0/24 AS17623 CNCGROUP-SZ58.251.49.0/24 AS17623 CNCGROUP-SZ58.251.51.0/24 AS17623 CNCGROUP-SZ58.251.53.0/24 AS17623 CNCGROUP-SZ58.251.54.0/24 AS17623 CNCGROUP-SZ58.251.56.0/21 AS135061 UNICOM-ShenZhen-IDC58.251.56.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.58.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.60.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.62.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.63.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.64.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.65.0/24 AS17623 CNCGROUP-SZ58.251.72.0/24 AS17623 CNCGROUP-SZ58.251.75.0/24 AS17623 CNCGROUP-SZ58.251.76.0/24 AS17623 CNCGROUP-SZ58.251.77.0/24 AS17623 CNCGROUP-SZ58.251.78.0/24 AS17623 CNCGROUP-SZ58.251.80.0/22 AS135061 UNICOM-ShenZhen-IDC58.251.84.0/23 AS135061 UNICOM-ShenZhen-IDC58.251.86.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.87.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.88.0/21 AS135061 UNICOM-ShenZhen-IDC58.251.89.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.90.0/23 AS135061 UNICOM-ShenZhen-IDC58.251.92.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.94.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.95.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.96.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.97.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.98.0/23 AS135061 UNICOM-ShenZhen-IDC58.251.98.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.99.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.100.0/23 AS135061 UNICOM-ShenZhen-IDC58.251.100.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.101.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.102.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.103.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.104.0/22 AS135061 UNICOM-ShenZhen-IDC58.251.108.0/22 AS135061 UNICOM-ShenZhen-IDC58.251.108.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.109.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.110.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.111.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.112.0/21 AS135061 UNICOM-ShenZhen-IDC58.251.120.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.121.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.122.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.123.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.124.0/22 AS135061 UNICOM-ShenZhen-IDC58.251.124.0/24 AS135061 UNICOM-ShenZhen-IDC58.251.126.0/24 AS135061 UNICOM-ShenZhen-IDC