Whois & RDAP Lookup
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IP Geolocation RDAPIP Range173.216.0.0 - 173.219.255.255
HandleNET-173-216-0-0-1
NameSUDDE
TypeDIRECT ALLOCATION
HolderOptimum
Registered2009-09-16 22:06 UTC
Updated2012-03-20 14:38 UTC
RegistrantOptimum
Address311 NNW Loop 323, Tyler, TX, 75701, United States
Admin ContactNetAdmin
OrganizationOptimum.
Email[email protected]
Phone+1-866-232-5455
Address311 NNW Loop 323, Tyler, TX, 75702, United States
Tech ContactAltice USA Internet Operations
OrganizationAltice USA
Email[email protected]
Phone+1-516-803-2300
Address1111 Stewart Ave., Bethpage, NY, 11714, United States
Abuse Contact[email protected]
Abuse Phone+1-903-266-4800
Statusactive
Registry RDAPhttp://rdap.arin.net
Raw WHOIS response
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 173.216.0.0 - 173.219.255.255 CIDR: 173.216.0.0/14 NetName: SUDDE NetHandle: NET-173-216-0-0-1 Parent: NET173 (NET-173-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Optimum (SUDDE) RegDate: 2009-09-16 Updated: 2012-03-20 Comment: http://www.suddenlink.com Ref: https://rdap.arin.net/registry/ip/173.216.0.0 OrgName: Optimum OrgId: SUDDE Address: 311 NNW Loop 323 City: Tyler StateProv: TX PostalCode: 75701 Country: US RegDate: 2006-05-25 Updated: 2025-08-06 Ref: https://rdap.arin.net/registry/entity/SUDDE OrgNOCHandle: NOCSU37-ARIN OrgNOCName: NOC Suddenlink OrgNOCPhone: +1-866-232-5455 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOCSU37-ARIN OrgAbuseHandle: ABUSE6997-ARIN OrgAbuseName: Abuse Suddenlink OrgAbusePhone: +1-903-266-4800 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE6997-ARIN OrgTechHandle: AUIO-ARIN OrgTechName: Altice USA Internet Operations OrgTechPhone: +1-516-803-2300 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/AUIO-ARIN RAbuseHandle: ABUSE1394-ARIN RAbuseName: Abuse RAbusePhone: +1-903-266-4800 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE1394-ARIN RNOCHandle: NOC1310-ARIN RNOCName: Network Operations Center RNOCPhone: +1-866-232-5455 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/NOC1310-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # % Query time: 704 msec % WHEN: Tue Sep 29 03:13:27 UTC 2026
Raw RDAP JSON (registry) http://rdap.arin.net
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"length": 14,
"v4prefix": "173.216.0.0"
}
],
"endAddress": "173.219.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-19T14:54:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-02-09T14:53:42-05:00"
}
],
"handle": "ABUSE6997-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE6997-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE6997-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "311 NNW Loop 323\nTyler\nTX\n75702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse Suddenlink"
],
[
"org",
{},
"text",
"Suddenlink Communications"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-903-266-4800"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T10:42:27-05:00"
},
{
"eventAction": "registration",
"eventDate": "2017-02-03T15:41:30-05:00"
}
],
"handle": "NETAD233-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETAD233-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/NETAD233-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "311 NNW Loop 323\nTyler\nTX\n75702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NetAdmin"
],
[
"org",
{},
"text",
"Optimum."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-866-232-5455"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-19T14:54:48-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-02-13T10:52:49-05:00"
}
],
"handle": "NOCSU37-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOCSU37-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/NOCSU37-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "311 NNW Loop 323\nTyler\nTX\n75701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NOC Suddenlink"
],
[
"org",
{},
"text",
"Suddenlink Communications"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-866-232-5455"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T10:43:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-02-05T11:08:56-05:00"
}
],
"handle": "AUIO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AUIO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/AUIO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1111 Stewart Ave.\nBethpage\nNY\n11714\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Altice USA Internet Operations"
],
[
"org",
{},
"text",
"Altice USA"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-516-803-2300"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-06T11:59:47-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-05-25T13:08:12-04:00"
}
],
"handle": "SUDDE",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SUDDE",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/org/SUDDE",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Optimum"
],
[
"adr",
{
"label": "311 NNW Loop 323\nTyler\nTX\n75701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2015-06-02T10:31:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-08-10T08:54:06-04:00"
}
],
"handle": "ABUSE1394-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE1394-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE1394-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2016-06-01"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1021 ESE Loop 323\nSuite 100\nTyler\nTX\n75701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Suddenlink Communications"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-903-266-4800"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-14T13:28:05-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-07-14T13:59:03-04:00"
}
],
"handle": "NOC1310-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC1310-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/poc/NOC1310-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2023-01-14"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1021 ESE Loop 323\r\nSuite 100\nTyler\nTX\n75701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Center"
],
[
"org",
{},
"text",
"Suddenlink Communications"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-866-232-5455"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-20T10:38:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-09-16T18:06:12-04:00"
}
],
"handle": "NET-173-216-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/173.216.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
},
{
"href": "https://whois.arin.net/rest/net/NET-173-216-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"name": "SUDDE",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/173.216.247.15"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-173-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"http://www.suddenlink.com"
],
"title": "Registration Comments"
}
],
"startAddress": "173.216.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.