ResearchRouting table, looking glass, RPKI & IRR

47.20.0.0/14 Cablevision Systems Corp.

Announced by AS6128 Cablevision Systems Corp. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 47.20.0.0/14

Prefix
47.20.0.0/14
Origin
AS6128 CABLE-NET-1
RPKI
RPKI valid
Size
262,144 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 0 covering
Origin since
2026-10-17 20:01 UTC
Paths

How 47.20.0.0/14 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 6128×3
OriginAS6128 Cablevision Systems Corp.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated13d 3h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128×3
OriginAS6128 Cablevision Systems Corp.
Origin codeIGP
Communities903:900 903:13760
Updated4m 11s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128
OriginAS6128 Cablevision Systems Corp.
Origin codeIGP
Communities36295:100
Updated13d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6128
OriginAS6128 Cablevision Systems Corp.
Origin codeIGP
Communitiesnone
Updated13d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6128×3
OriginAS6128 Cablevision Systems Corp.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated17d 4h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS6128 to originate 47.20.0.0/14 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
47.20.0.0/14/24AS6128 CABLE-NET-1ARIN
Tools

Check 47.20.0.0/14 live

Looking glassIP to ASN APIRPKI APIIRR API