ResearchRouting table, looking glass, RPKI & IRR

65.51.247.0/24 FDNY

Announced by AS398116 FDNY. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 65.51.247.0/24

Prefix

Origin

AS398116 FDNY-NETWORKSRV-01

RPKI

RPKI valid

Size

256 addresses

Less specific

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-16 04:02 UTC

Paths

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 13335 398116

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 13335 398116

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 13335 398116

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 13335 398116

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 13335 398116

RPKI

Covered by a ROA authorizing AS398116 to originate 65.51.247.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
65.51.247.0/24	/24	AS398116 FDNY-NETWORKSRV-01	ARIN
65.51.240.0/20	/24	AS54004 LIGHTPATH	ARIN
65.51.128.0/17	/24	AS54004 LIGHTPATH	ARIN
65.51.0.0/16	/24	AS6128 CABLE-NET-1	ARIN

IRR

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

Route	Origin	Source	Description	Maintained by
65.51.247.0/24	AS398116 FDNY-NETWORKSRV-01	ARIN	Cablevision Systems Corp.	MNT-CVNT
65.51.0.0/16 covering	AS6128 CABLE-NET-1	ARIN	AlticeUSA 1111 Stewart Avenue Bethpage NY 11714 United States	MNT-CVNT
65.51.0.0/16 covering	AS11805 ENNWISE-AS	LEVEL3	Home Click	HOMEC-MNT

Less specific

Announced prefixes that contain this one, most specific first.

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