211.162.64.0/21 China Unicom Shenzen network
Announced by AS17623 China Unicom Shenzen network. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 211.162.64.0/21
Prefix
Origin
AS17623 CNCGROUP-SZ
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 5 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 211.162.64.0/21 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 3356 4837 17623
| Origin | AS17623 China Unicom Shenzen network |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2003 36601:150 36601:2001 36601:13760 |
| Updated | 5d 1h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4837 17623
| Origin | AS17623 China Unicom Shenzen network |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 17623
| Origin | AS17623 China Unicom Shenzen network |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 18h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS17623 to originate 211.162.64.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 211.162.64.0/21 | /21 | AS17623 CNCGROUP-SZ | APNIC |
| 211.162.64.0/20 | /20 | AS17623 CNCGROUP-SZ | 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 |
|---|---|---|---|---|
| 211.162.64.0/21 | AS17623 CNCGROUP-SZ | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 211.162.64.0/20 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 211.162.64.0/20 covering | AS17623 CNCGROUP-SZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 211.162.64.0/20 covering | AS17623 CNCGROUP-SZ | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 211.162.0.0/17 covering | AS9929 CUII | LEVEL3 | CNC Route Object | CHINANETCOM-MNT |
| 211.162.0.0/17 covering | AS17430 GWBN | LEVEL3 | CNC Route Object-SH ChangChengKuandai | CHINANETCOM-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.