ResearchRouting table, looking glass, RPKI & IRR

42.0.128.0/17 CNCGROUP IP network of ShangHai IDC

Announced by AS17789 CNCGROUP IP network of ShangHai IDC. RPKI not found Seen by 5 of our 5 looking glass sessions.

What the table says about 42.0.128.0/17

Origin
AS17789 CNCGROUP-SH-IDC
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
1
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 00:02 UTC

How 42.0.128.0/17 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 174 932 136826 17789
OriginAS17789 CNCGROUP IP network of ShangHai IDC
Origin codeIGP
Communities174:21201 174:22039 36601:150 36601:174 36601:2001
Updated5d 23h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 932 136826 17789
OriginAS17789 CNCGROUP IP network of ShangHai IDC
Origin codeIGP
Communities903:900 903:13760
Updated6d 7h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 932 136826 17789
OriginAS17789 CNCGROUP IP network of ShangHai IDC
Origin codeIGP
Communities36295:100
Updated6d 7h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 932 136826 17789
OriginAS17789 CNCGROUP IP network of ShangHai IDC
Origin codeIGP
Communities174:21201 174:22039
Updated6d 7h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 932 136826 17789
OriginAS17789 CNCGROUP IP network of ShangHai IDC
Origin codeIGP
Communities174:21201 174:22039 36295:100 36295:174
Updated10d 1h ago

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
42.0.128.0/17AS48589 TIGERAPNICabuse please send to ********MAINT-CNNIC-AP
42.0.128.0/17AS17789 CNCGROUP-SH-IDCRADBProxy RouteMAINT-AS134121

Prefixes inside 42.0.128.0/17

1 announced prefix fall inside this one.

Show the 1 prefixes

Check 42.0.128.0/17 live