66.76.192.0/20

AS19108 · Optimum

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Summary

Country	United States
Domain	optimum.com
ASN	AS19108
Parent Range	66.76.0.0/16
Registry	ARIN
ID	SUDDE-NETBLK-66-76-0-0

WHOIS Details

NetHandle:      NET-66-76-0-0-1
OrgID:          SUDDE
Parent:         NET-66-0-0-0-0
NetName:        SUDDE-NETBLK-66-76-0-0
NetRange:       66.76.0.0 - 66.76.255.255
NetType:        allocation
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
RegDate:        2001-02-06
Updated:        2012-03-20
AbuseHandle:    ABUSE1394-ARIN
Source:         ARIN


OrgID:          SUDDE
OrgName:        Optimum
CanAllocate:    
Street:         311 NNW Loop 323
City:           Tyler
State/Prov:     TX
Country:        US
PostalCode:     75701
RegDate:        2006-05-25
Updated:        2025-08-06
OrgAdminHandle: NETAD233-ARIN
OrgTechHandle:  AUIO-ARIN
OrgAbuseHandle: ABUSE6997-ARIN
OrgNOCHandle:   NOCSU37-ARIN
Source:         ARIN


POCHandle:      ABUSE1394-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         1021 ESE Loop 323
Street:         Suite 100
City:           Tyler
State/Prov:     TX
Country:        US
PostalCode:     75701
RegDate:        2006-08-10
Updated:        2015-06-02
OfficePhone:    +1-903-266-4800
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      NETAD233-ARIN
IsRole:         Y
LastName:       NetAdmin
FirstName:      
Street:         311 NNW Loop 323
City:           Tyler
State/Prov:     TX
Country:        US
PostalCode:     75702
RegDate:        2017-02-03
Updated:        2025-12-18
OfficePhone:    +1-866-232-5455
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      AUIO-ARIN
IsRole:         Y
LastName:       Altice USA Internet Operations
FirstName:      
Street:         1111 Stewart Ave.
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        2018-02-05
Updated:        2025-12-18
OfficePhone:    +1-516-803-2300
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      NOCSU37-ARIN
IsRole:         Y
LastName:       NOC Suddenlink
FirstName:      
Street:         311 NNW Loop 323
City:           Tyler
State/Prov:     TX
Country:        US
PostalCode:     75701
RegDate:        2018-02-13
Updated:        2025-12-19
OfficePhone:    +1-866-232-5455
Mailbox:        [email protected]
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE6997-ARIN
IsRole:         Y
LastName:       Abuse Suddenlink
FirstName:      
Street:         311 NNW Loop 323
City:           Tyler
State/Prov:     TX
Country:        US
PostalCode:     75702
RegDate:        2018-02-09
Updated:        2025-12-19
OfficePhone:    +1-903-266-4800
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 66.76.192.0/20

Range	ASN	Company	Num of IPs
66.76.0.0/16	AS19108	Optimum	65,536
66.76.0.0/16	AS400947	Optimum	65,536

Nearby Ranges

BGP prefixes that overlap with 66.76.0.0/16

Range	ASN	Company	Num of IPs
66.76.0.0/16	AS19108	Optimum	65,536
66.76.0.0/16	AS400947	Optimum	65,536

Hosted domains

There are 26 domain names hosted across 18 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
66.76.198.8	sendatrix.org	5
66.76.192.21	woodworkingteacher.com	3
66.76.196.98	trinitycoal.com	2
66.76.196.114	faithfullyspeaking.blog	1
66.76.192.163	desktopmedical.com	1
66.76.205.31	hudsonmemorial.org	1
66.76.192.190	lewislocker.com	1
66.76.192.162	orthocov.com	1
66.76.198.135	greenvillepool.net	1
66.76.195.67	wvcnd.us	1
66.76.196.27	neoceltech.com	1
66.76.197.81	melconnect.com	1
66.76.206.110	hunter-wasson.com	1

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

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

IP Address	ASN	Details
66.76.195.169	AS19108 Optimum	`7.95ms` from Ashburn, US
66.76.192.50	AS19108 Optimum	`7.96ms` from Ashburn, US
66.76.205.1	AS19108 Optimum	`12.77ms` from Dallas, US
66.76.197.1	AS19108 Optimum	`12.03ms` from Chicago, US
66.76.200.189	AS19108 Optimum	`8.28ms` from Ashburn, US
66.76.203.86	AS19108 Optimum	`0.69ms` from Dallas, US
66.76.193.138	AS19108 Optimum	`7.43ms` from Ashburn, US
66.76.198.1	AS19108 Optimum	`14.13ms` from Ashburn, US
66.76.199.1	AS19108 Optimum	`7.24ms` from Ashburn, US
66.76.207.1	AS19108 Optimum	`22.26ms` from Chicago, US
66.76.206.1	AS19108 Optimum	`20.86ms` from Chicago, US
66.76.202.252	AS19108 Optimum	`0.58ms` from Dallas, US
66.76.201.1	AS19108 Optimum	`7.15ms` from Ashburn, US
66.76.204.66	AS19108 Optimum	`7.53ms` from Ashburn, US
66.76.194.122	AS19108 Optimum	`7.20ms` from Ashburn, US
66.76.196.1	AS19108 Optimum	`14.21ms` from Ashburn, 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
103.170.7.4	AS142508 Netfirst Communication Pvt Ltd	`17.77ms` from Chennai, IN
62.135.161.196	AS3292 TDC Holding A/S	`0.57ms` from Copenhagen, DK
12.187.173.52	AS7018 AT&T Enterprises, LLC	`0.90ms` from Dallas, US
84.249.45.36	AS1759 Telia Finland Oyj	`5.75ms` from Helsinki, FI
107.148.18.116	AS398823 PEG TECH INC	`0.40ms` from Los Angeles, US
73.138.99.84	AS7922 Comcast Cable Communications, LLC	`5.20ms` from Miami, US
208.96.210.20	AS11290 Cogeco Connexion inc	`4.38ms` from Montreal, CA
122.26.202.164	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.67ms` from Osaka, JP
115.97.231.196	AS17488 Hathway IP Over Cable Internet	`1.56ms` from Saint Thomas Mount, IN
193.69.83.244	AS2116 GLOBALCONNECT AS	`8.18ms` from Sandefjord, NO
106.174.109.100	AS2516 KDDI CORPORATION	`5.82ms` from Tokyo, JP
42.147.231.164	AS9824 JCOM Co., Ltd.	`11.99ms` from Tokyo, JP
3.138.158.100	AS16509 Amazon.com, Inc.	`0.70ms` from Columbus, US
72.181.17.244	AS11427 Charter Communications Inc	`5.23ms` from Dallas, US
182.163.119.20	AS9230 Bangladesh Online Ltd.	`0.37ms` from Dhaka, BD
120.39.251.84	AS133774 Fuzhou	`2.04ms` from Fuzhou, CN
185.166.86.212	AS20860 IOMART CLOUD SERVICES LIMITED	`0.04ms` from Maidenhead, GB
2.100.227.20	AS13285 TalkTalk Communications Limited	`6.23ms` from Manchester, GB
126.91.207.180	AS17676 SoftBank Corp.	`4.12ms` from Osaka, JP
180.196.204.4	AS18126 Chubu Telecommunications Company, Inc.	`5.07ms` from Osaka, JP
118.105.208.148	AS18126 Chubu Telecommunications Company, Inc.	`4.57ms` from Osaka, JP
187.101.29.212	AS27699 TELEFÔNICA BRASIL S.A	`2.72ms` from Osasco, BR
60.231.56.52	AS1221 Telstra Limited	`3.31ms` from Perth, AU
187.45.108.4	AS28146 MHNET TELECOM	`1.14ms` from Porto Alegre, BR
88.146.50.100	AS29208 Quantcom, a.s.	`0.58ms` from Prague, CZ

Traceroute

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

traceroute -a -n -q1 -f4 66.76.199.18

traceroute to 66.76.199.18 (66.76.199.18): 64 hops max, 52 byte packets

4 [AS36236] 104.225.114.34 3.003 ms

5 *

6 *

7 *

8 *

9 [AS19108] 66.76.199.18 16.457 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On January 19th 2026

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.

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