1. All IP Ranges
  2. 148.0.0.0/8
  3. 148.76.0.0/16
  4. AS6128  | 148.76.64.0/18

148.76.64.0/18

AS6128  ·  Cablevision Systems Corp.

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Summary

Country United States
Domain optimum.com
ASN AS6128
Registry ARIN
ID OOL-CPE-LP-148-76-64-0-18

WHOIS Details

NetHandle:      NET-148-76-64-0-1
OrgID:          CSCHO-3
Parent:         NET-148-76-64-0-2
NetName:        OOL-CPE-LP-148-76-64-0-18
NetRange:       148.76.64.0 - 148.76.127.255
NetType:        reallocation
RegDate:        2019-01-16
Updated:        2026-03-17
Source:         ARIN


OrgID:          CSCHO-3
OrgName:        Optimum Lightpath
CanAllocate:    
Street:         1111 Stewart Ave
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        2007-07-23
Updated:        2024-07-24
OrgAdminHandle: CIO1-ARIN
OrgTechHandle:  OLE2-ARIN
OrgAbuseHandle: OLE2-ARIN
OrgNOCHandle:   OOLAB-ARIN
Source:         ARIN


POCHandle:      CIO1-ARIN
IsRole:         Y
LastName:       Cablevision Internet Operations
FirstName:      
Street:         1111 Stewart Avenue
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        2003-04-10
Updated:        2025-12-18
OfficePhone:    +1-516-390-5480
Mailbox:        hostmaster@alticeusa.com
Mailbox:        inetops@AlticeUSA.com
Source:         ARIN


POCHandle:      OLE2-ARIN
IsRole:         Y
LastName:       Optimum Lightpath Eng
FirstName:      
Street:         1111 Stewart Ave
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        2007-07-23
Updated:        2025-11-18
OfficePhone:    +1-866-611-3434
Mailbox:        ipadmin@lightpathfiber.com
Source:         ARIN


POCHandle:      OOLAB-ARIN
IsRole:         Y
LastName:       OOL Hostmaster
FirstName:      
Street:         111 new south RD
City:           Hicksville
State/Prov:     NY
Country:        US
PostalCode:     11801
RegDate:        2002-09-30
Updated:        2025-11-25
OfficePhone:    +1-516-803-2400
Mailbox:        abuse@cv.net
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 148.76.64.0/18

Range ASN Company Num of IPs
148.76.116.0/24 AS25808 CMLP 256
148.76.73.0/24 AS396844 WILLIAM RAVEIS REAL ESTATE, INCORPORATED 256

Nearby Ranges

BGP prefixes that overlap with 148.76.0.0/16

Range ASN Company Num of IPs
148.76.128.0/18 AS6128 Optimum Lightpath 16,384
148.76.192.0/19 AS6128 Optimum Online 8,192
148.76.224.0/19 AS6128 CSC Holdings Inc., 8,192
148.76.116.0/24 AS25808 CMLP 256
148.76.174.0/24 AS400423 CATHOLIC HEALTH SERVICES OF LI 256
148.76.153.0/24 AS36054 GERSON LEHRMAN GROUP INC 256
148.76.157.0/24 AS396042 NEWSDAY 256
148.76.73.0/24 AS396844 WILLIAM RAVEIS REAL ESTATE, INCORPORATED 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

2,514 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
148.76.121.1 AS6128 Cablevision Systems Corp. 1.93ms from Secaucus, US
148.76.124.1 AS6128 Cablevision Systems Corp. 1.63ms from New York City, US
148.76.126.41 AS6128 Cablevision Systems Corp. 2.06ms from Newark, US
148.76.120.37 AS6128 Cablevision Systems Corp. 1.84ms from New York City, US
148.76.127.101 AS6128 Cablevision Systems Corp. 1.72ms from New York City, US
148.76.125.136 AS6128 Cablevision Systems Corp. 2.39ms from New York City, US
148.76.118.209 AS6128 Cablevision Systems Corp. 1.69ms from New York City, US
148.76.122.245 AS6128 Cablevision Systems Corp. 1.64ms from New York City, US
148.76.123.137 AS6128 Cablevision Systems Corp. 1.79ms from New York City, US
148.76.119.201 AS6128 Cablevision Systems Corp. 1.99ms from Newark, US
148.76.100.20 AS6128 Cablevision Systems Corp. 4.61ms from Secaucus, US
148.76.67.125 AS6128 Cablevision Systems Corp. 1.59ms from New York City, US
148.76.73.3 AS396844 William Raveis Real Estate, Incorporated. 5.10ms from Newark, US
148.76.66.185 AS6128 Cablevision Systems Corp. 1.69ms from New York City, US
148.76.104.228 AS6128 Cablevision Systems Corp. 1.81ms from Newark, US
148.76.90.5 AS6128 Cablevision Systems Corp. 1.68ms from Secaucus, US
148.76.81.178 AS6128 Cablevision Systems Corp. 2.86ms from New York City, US
148.76.99.113 AS6128 Cablevision Systems Corp. 1.92ms from Piscataway, US
148.76.70.181 AS6128 Cablevision Systems Corp. 1.64ms from New York City, US
148.76.74.222 AS6128 Cablevision Systems Corp. 1.44ms from New York City, US
148.76.64.226 AS6128 Cablevision Systems Corp. 1.53ms from New York City, US
148.76.80.68 AS6128 Cablevision Systems Corp. 3.23ms from New York City, US
148.76.77.158 AS6128 Cablevision Systems Corp. 1.73ms from New York City, US
148.76.93.146 AS6128 Cablevision Systems Corp. 2.19ms from New York City, US
148.76.78.209 AS6128 Cablevision Systems Corp. 2.08ms from Newark, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
185.4.148.114 AS58272 LeaderTelecom B.V. 1.45ms from Amsterdam, NL
37.6.175.98 AS25472 Nova Telecommunications & Media Single Member S.A 8.57ms from Athens, GR
110.244.2.50 AS4837 CHINA UNICOM China169 Backbone 8.49ms from Beijing, CN
103.120.107.146 AS131283 HDFC Bank House 1.03ms from Bengaluru, IN
52.37.254.18 AS16509 Amazon.com, Inc. 0.22ms from Boardman, US
5.14.45.2 AS8708 DIGI ROMANIA S.A. 4.21ms from Bucharest, RO
91.26.212.242 AS3320 Deutsche Telekom AG 1.01ms from Frankfurt am Main, DE
185.98.186.2 AS58010 uvensys GmbH 0.39ms from Frankfurt am Main, DE
180.83.143.130 AS17858 LG POWERCOMM 4.04ms from Incheon, KR
45.147.142.242 AS34661 BREEZE NETWORK 8.02ms from Kyiv, UA
154.44.79.34 AS174 Cogent Communications, LLC 0.27ms from Los Angeles, US
5.182.162.2 AS34471 Free Technologies Excom S.L. 0.19ms from Madrid, ES
143.106.25.2 AS53187 UNIVERSIDADE ESTADUAL DE CAMPINAS 2.50ms from Osasco, BR
75.164.140.162 AS209 CenturyLink Communications, LLC 1.67ms from Portland, US
117.202.166.66 AS9829 National Internet Backbone 13.44ms from Saint Thomas Mount, IN
69.168.67.2 AS5048 FIBERNET Corp. 2.23ms from Salt Lake City, US
156.230.219.66 AS400463 DynaNode LLC 0.62ms from Seattle, US
211.118.192.130 AS3786 LG DACOM Corporation 1.40ms from Seoul, KR
58.122.4.162 AS9318 SK Broadband Co Ltd 1.45ms from Seoul, KR
177.156.133.210 AS18881 TELEFÔNICA BRASIL S.A 3.56ms from São Paulo, BR
54.237.169.146 AS14618 Amazon.com, Inc. 0.57ms from Ashburn, US
44.208.141.18 AS14618 Amazon.com, Inc. 0.50ms from Ashburn, US
173.162.194.242 AS7922 Comcast Cable Communications, LLC 5.18ms from Boston, US
143.195.248.210 AS393451 On Light Aurora 1.98ms from Chicago, US
147.0.212.82 AS10796 Charter Communications Inc 2.06ms from Cleveland, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f5 148.76.64.21
traceroute to 148.76.64.21 (148.76.64.21): 64 hops max, 52 byte packets
5 [] 64.15.2.20 2.358 ms
6 [AS6128] 148.76.64.21 2.242 ms
Measurement taken from IPinfo ProbeNet in New York City, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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