121.58.156.0/23 RM 1706,Block A,Ocean Express,No.66
Announced by AS38364 RM 1706,Block A,Ocean Express,No.66. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS4808, AS4847
Summary
What the table says about 121.58.156.0/23
Prefix
Origin
AS38364 LTEL
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 4 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 121.58.156.0/23 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 174 4837 4808
| Origin | AS4808 China Unicom Beijing Province Network |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 5h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4847
| Origin | AS4847 China Networks Inter-Exchange |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4847
| Origin | AS4847 China Networks Inter-Exchange |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS38364 to originate 121.58.156.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 121.58.156.0/23 | /23 | AS4808 CHINA169-BJ | APNIC |
| 121.58.156.0/23 | /23 | AS4847 CNIX-AP | APNIC |
| 121.58.156.0/23 | /23 | AS38364 LTEL | APNIC |
| 121.58.156.0/22 | /22 | AS4847 CNIX-AP | 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 |
|---|---|---|---|---|
| 121.58.156.0/23 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 121.58.156.0/23 | AS4808 CHINA169-BJ | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 121.58.156.0/23 | AS4847 CNIX-AP | RADB | regist for end user | MAINT-AS4847 |
| 121.58.156.0/22 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 121.58.156.0/22 covering | AS4847 CNIX-AP | RADB | regist for end user | MAINT-AS4847 |
| 121.58.144.0/20 covering | AS7497 CSTNET-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 121.58.144.0/20 covering | AS7497 CSTNET-AS-AP | RADB | Proxy-registered route object | MAINT-AS3491 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.