Home Prefix Lookup174.44.0.0/16

174.44.0.0/16 - Cablevision Systems (AS6128)

IPv4ARINallocatedAS6128CABLE-NET-1 - Cablevision Systems Corp. RPKI Valid

CIDR

174.44.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

New York

RIR

ARIN

Status

allocated

Allocated

2011-12-22

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
174.44.0.0/16	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	ARIN	2026-10-11

More-Specific Announcements

26 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
174.44.0.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.8.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.16.0/20	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.32.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.40.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.48.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.64.0/20	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.80.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.88.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.96.0/20	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.112.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.120.0/22	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.124.0/22	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.128.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.144.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.152.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.160.0/20	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.184.0/22	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.188.0/22	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.192.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.208.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.216.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.226.0/23	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.228.0/23	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.230.0/23	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11
174.44.232.0/21	AS6128 CABLE-NET-1 - Cablevision Systems Corp.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
174.44.0.0/16	AS6128	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS6128	ARIN	MNT-OPTO	2022-10-13

Transfer History

Registry transfers of 174.44.0.0/16, blocks inside it, or blocks containing it.

174.44.0.0/16Transfer · 2011-12-22
Bresnan Communications, LLC.
🇺🇸 US ARIN
→
Optimum Online
🇺🇸 US ARIN

Date	Resource	From	To	Type
2011-12-22	174.44.0.0/16	Bresnan Communications, LLC. 🇺🇸 US ARIN	Optimum Online 🇺🇸 US ARIN	Transfer

Origin ASN

AS6128

CABLE-NET-1 - Cablevision Systems Corp.

Related Prefixes

More prefixes of AS6128

All prefixes of AS6128 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/174.44.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/174.44.0.0/16" | jq

External Links

RIPEstat