123.58.0.0/20 China Unicom IP network
Announced by AS133119 China Unicom IP network. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 123.58.0.0/20
Prefix
Origin
AS133119 UNICOM-CN
RPKI
RPKI valid
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 4 covering
In RouteViews
2026-10-14 12:02 UTC
Paths
How 123.58.0.0/20 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 7029 1299 4837 133119
| Origin | AS133119 China Unicom IP network |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 7h 58m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4837 133119
| Origin | AS133119 China Unicom IP network |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 133119
| Origin | AS133119 China Unicom IP network |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 18h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS133119 to originate 123.58.0.0/20 up to /20. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 123.58.0.0/20 | /20 | AS133119 UNICOM-CN | 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 |
|---|---|---|---|---|
| 123.58.0.0/20 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 123.58.0.0/20 | AS4837 CHINA169-Backbone | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 123.58.0.0/19 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 123.58.0.0/19 covering | AS131307 ZLLX | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 123.58.0.0/19 covering | AS23724 CHINANET-IDC-BJ-AP | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 |
| 123.58.0.0/19 covering | AS131307 ZLLX | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.