ResearchRouting table, looking glass, RPKI & IRR

65.51.128.0/17 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 65.51.128.0/17

Prefix
65.51.128.0/17
Origin
AS54004 LIGHTPATH
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
31
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-15 00:02 UTC
Paths

How 65.51.128.0/17 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 6128×2 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 21h 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
Updated7d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communities36295:100
Updated7d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6128 54004
OriginAS54004 Cablevision Lightpath LLC
Origin codeIGP
Communitiesnone
Updated7d 5h 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
Updated10d 23h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS54004 to originate 65.51.128.0/17 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
65.51.128.0/17/24AS54004 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
65.51.0.0/16 coveringAS6128 CABLE-NET-1ARINAlticeUSA 1111 Stewart Avenue Bethpage NY 11714 United StatesMNT-CVNT
65.51.0.0/16 coveringAS11805 ENNWISE-ASLEVEL3Home ClickHOMEC-MNT
More specific

Prefixes inside 65.51.128.0/17

31 announced prefixes fall inside this one.

Show the 31 prefixes
65.51.128.0/20 AS54004 LIGHTPATH65.51.129.0/24 AS399208 OVA-BASE-BLDG65.51.133.0/24 AS398116 FDNY-NETWORKSRV-0165.51.134.0/24 AS4667365.51.136.0/24 AS54004 LIGHTPATH65.51.144.0/20 AS54004 LIGHTPATH65.51.144.0/24 AS396242 ECOM65.51.152.0/24 AS13938 SSNC-AS65.51.153.0/24 AS13938 SSNC-AS65.51.160.0/20 AS54004 LIGHTPATH65.51.168.0/24 AS12216 KRAVET65.51.172.0/24 AS62642 BIGLEAF65.51.173.0/24 AS400836 SLG-OMA65.51.176.0/20 AS54004 LIGHTPATH65.51.192.0/20 AS54004 LIGHTPATH65.51.194.0/24 AS54004 LIGHTPATH65.51.200.0/24 AS46835 CENTRASTATE-MEDICAL-CENTER65.51.201.0/24 AS1469965.51.203.0/24 AS46904 WEITZ-LUX65.51.208.0/20 AS54004 LIGHTPATH65.51.208.0/24 AS46870 NJRNET-200965.51.218.0/24 AS397394 GCBB65.51.219.0/24 AS397394 GCBB65.51.222.0/24 AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK65.51.224.0/20 AS54004 LIGHTPATH65.51.231.0/24 AS399684 OVA-SUMMIT65.51.240.0/20 AS54004 LIGHTPATH65.51.242.0/24 AS19862 BNB-22-AS65.51.247.0/24 AS398116 FDNY-NETWORKSRV-0165.51.249.0/24 AS40137 AWM-INVESTMENT65.51.251.0/24 AS22345 SOLIX-INC
Tools

Check 65.51.128.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API