220.248.42.0/23 China Unicom Shanghai FuTe IDC network
Announced by AS140979 China Unicom Shanghai FuTe IDC network. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 220.248.42.0/23
Prefix
Origin
AS140979 UNICOM-SHFT-IDC
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
1
IRR route objects
1 exact, 5 covering
In RouteViews
2026-10-15 08:02 UTC
Paths
How 220.248.42.0/23 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 13760 7029 1299 4837 140979
| Origin | AS140979 China Unicom Shanghai FuTe IDC network |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 1d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 4837 140979
| Origin | AS140979 China Unicom Shanghai FuTe IDC network |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 14h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4837 140979
| Origin | AS140979 China Unicom Shanghai FuTe IDC network |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS140979 to originate 220.248.42.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 220.248.42.0/23 | /23 | AS140979 UNICOM-SHFT-IDC | APNIC |
| 220.248.0.0/18 | /18 | AS17621 CNCGROUP-SH | 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 |
|---|---|---|---|---|
| 220.248.42.0/23 | AS140979 UNICOM-SHFT-IDC | APNIC | China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | MAINT-CNCGROUP-RR |
| 220.248.0.0/18 covering | AS17621 CNCGROUP-SH | APNIC | China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | MAINT-CNCGROUP-RR |
| 220.248.0.0/18 covering | AS17621 CNCGROUP-SH | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 220.248.0.0/18 covering | AS17621 CNCGROUP-SH | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 220.248.0.0/17 covering | AS17621 CNCGROUP-SH | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 220.248.0.0/14 covering | AS9929 CUII | APNIC | China Unicom CncNet | MAINT-CNCGROUP-RR |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 220.248.42.0/23
1 announced prefix fall inside this one.