WHOIS lookup
Look up a domain, an IPv4 or IPv6 address or an AS number (ASN). For a domain: who registered it, which registrar holds it, when it expires and what its status codes mean. For an address or ASN: which network it belongs to, who holds it and where to report abuse. Asked over RDAP and classic WHOIS, of the registry and then the registrar.
2620:4d:4000:6259:7:19:0:3
IP addressHeld by IBM2 requests in 0.7 s2026-11-09 05:45:35 UTCRegistered
Network
| Range | 2620:4d:4000:: – 2620:4d:40ff:ffff:ffff:ffff:ffff:ffff |
|---|---|
| CIDR | 2620:4D:4000::/40 |
| Name | NSONE-DNS6 |
| Held by | IBM IBM-1 |
| Country | US |
| Type | DIRECT ALLOCATION |
| Handle | NET6-2620-4D-4000-1 · part of NET6-2620-1 |
| Registered | · 13 years, 1 month ago |
| Last changed | · 4 months, 13 days ago |
| Status | active |
| Report abuse | techops@nsone.net · +1-480-932-5972;ext |
| Registry | ARIN |
Reverse DNS and more: DNS lookup for 2620:4d:4000:6259:7:19:0:3.
WHOIS
The raw replies over port 43, as the whois command shows them.
ARIN whois.arin.net
# # 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: 2620:4D:4000:: - 2620:4D:40FF:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2620:4D:4000::/40 NetName: NSONE-DNS6 NetHandle: NET6-2620-4D-4000-1 Parent: ARIN-V6-ENDUSER-BLOCK (NET6-2620-1) NetType: Direct Allocation OriginAS: Organization: IBM (IBM-1) RegDate: 2013-10-04 Updated: 2026-06-25 Ref: https://rdap.arin.net/registry/ip/2620:4D:4000:: OrgName: IBM OrgId: IBM-1 Address: 3039 Cornwallis Road City: Research Triangle Park StateProv: NC PostalCode: 27709-2195 Country: US RegDate: 1992-02-08 Updated: 2024-11-25 Ref: https://rdap.arin.net/registry/entity/IBM-1 OrgTechHandle: RAIN-ARIN OrgTechName: Registrar Authority, Internet numbers OrgTechPhone: +1-800-426-7378 OrgTechEmail: ipreg@us.ibm.com OrgTechRef: https://rdap.arin.net/registry/entity/RAIN-ARIN OrgAbuseHandle: RAIN-ARIN OrgAbuseName: Registrar Authority, Internet numbers OrgAbusePhone: +1-800-426-7378 OrgAbuseEmail: ipreg@us.ibm.com OrgAbuseRef: https://rdap.arin.net/registry/entity/RAIN-ARIN RTechHandle: NSONE-ARIN RTechName: NSONE-TECH RTechPhone: +1-480-932-5972 RTechEmail: techops@nsone.net RTechRef: https://rdap.arin.net/registry/entity/NSONE-ARIN RAbuseHandle: NSONE-ARIN RAbuseName: NSONE-TECH RAbusePhone: +1-480-932-5972 RAbuseEmail: techops@nsone.net RAbuseRef: https://rdap.arin.net/registry/entity/NSONE-ARIN RNOCHandle: NSONE-ARIN RNOCName: NSONE-TECH RNOCPhone: +1-480-932-5972 RNOCEmail: techops@nsone.net RNOCRef: https://rdap.arin.net/registry/entity/NSONE-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. #
RDAP
The JSON replies WHOIS is being replaced by.
ARIN https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2620:4D:4000::",
"length": 40
}
],
"endAddress": "2620:4d:40ff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-23T00:40:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-09-07T15:24:06-04:00"
}
],
"handle": "RAIN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/RAIN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
},
{
"href": "https://whois.arin.net/rest/poc/RAIN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3039 Cornwallis Road\nResearch Triangle Park\nNC\n27709-2195\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Registrar Authority, Internet numbers"
],
[
"org",
[],
"text",
"IBM"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ipreg@us.ibm.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-800-426-7378"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1992-02-08T00:00:00-05:00"
}
],
"handle": "IBM-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IBM-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
},
{
"href": "https://whois.arin.net/rest/org/IBM-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IBM"
],
[
"adr",
{
"label": "3039 Cornwallis Road\nResearch Triangle Park\nNC\n27709-2195\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-29T10:41:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-24T12:07:39-04:00"
}
],
"handle": "NSONE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NSONE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
},
{
"href": "https://whois.arin.net/rest/poc/NSONE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"IBM-NSONE"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"abuse",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "55 Broad St\n19th Fl\nNew York\nNY\n10004\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NSONE-TECH"
],
[
"org",
[],
"text",
"IBM- NSONE Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"techops@nsone.net"
],
[
"email",
[],
"text",
"ipreg@us.ibm.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-480-932-5972;ext"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-25T08:28:00-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-10-04T15:58:15-04:00"
}
],
"handle": "NET6-2620-4D-4000-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2620:4d:4000::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2620-4D-4000-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3"
}
],
"name": "NSONE-DNS6",
"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/2620:4d:4000:6259:7:19:0:3"
}
],
"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/2620:4d:4000:6259:7:19:0:3"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2620-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2620:4d:4000::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}Servers asked
| Protocol | Server | Result | Time |
|---|---|---|---|
| RDAP | https://rdap.arin.net/registry/ip/2620:4d:4000:6259:7:19:0:3 | HTTP 200 | 463 ms |
| WHOIS | whois.arin.net “n + 2620:4d:4000:6259:7:19:0:3” | 2,327 bytes | 197 ms |