ResearchRouting table, looking glass, RPKI & IRR

65.51.32.0/20 Cablevision Lightpath LLC

Announced by AS54004 Cablevision Lightpath LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 65.51.32.0/20

Prefix
65.51.32.0/20
Origin
AS54004 LIGHTPATH
RPKI
RPKI valid
Size
4,096 addresses
Less specific
65.51.32.0/19 AS54004 LIGHTPATH
More specifics
2
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 65.51.32.0/20 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 6128×2 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities36295:100
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6128 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communitiesnone
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6128×2 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 20h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS54004 to originate 65.51.32.0/19 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
65.51.32.0/19/24AS54004 LIGHTPATHARIN
65.51.0.0/16/24AS6128 CABLE-NET-1ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
65.51.0.0/17 coveringAS6128 CABLE-NET-1ARINCSC Holdings, Inc (Cablevision Lightpath) 1111 Stewart Avenue Bethpage, NY 11714-3533 USMNT-CVNT
65.51.0.0/16 coveringAS6128 CABLE-NET-1ARINAlticeUSA 1111 Stewart Avenue Bethpage NY 11714 United StatesMNT-CVNT
65.51.0.0/16 coveringAS11805 ENNWISE-ASLEVEL3Home ClickHOMEC-MNT
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

65.51.32.0/19 AS54004 LIGHTPATH
More specific

Prefixes inside 65.51.32.0/20

2 announced prefixes fall inside this one.

Show the 2 prefixes
65.51.34.0/24 AS25924 GCM65.51.45.0/24 AS54004 LIGHTPATH
Tools

Check 65.51.32.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API