Registry · RDAP Original response
https://rdap.arin.net/registry/ip/64.104.0.0/16
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "64.100.0.0",
"length": 14
},
{
"v4prefix": "64.104.0.0",
"length": 16
}
],
"endAddress": "64.104.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-04T11:18:28-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-02-16T13:57:00-05:00"
}
],
"handle": "CISCO6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CISCO6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
},
{
"href": "https://whois.arin.net/rest/poc/CISCO6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://sec.cloudapps.cisco.com/security/center/resources/computer_security_incident_response_team_csirt.html"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "7025 Kit Creek Road\nResearch Triangle Park\nNC\n27709\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Cisco CSIRT"
],
[
"org",
[],
"text",
"Cisco Systems, Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"csirt-notify@cisco.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-527-3227"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-25T09:12:27-04:00"
},
{
"eventAction": "registration",
"eventDate": "2012-05-20T21:54:21-04:00"
}
],
"handle": "GATC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GATC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
},
{
"href": "https://whois.arin.net/rest/poc/GATC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"www.cisco.com"
],
"title": "Registration Comments"
}
],
"roles": [
"noc",
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "170 West Tasman Dr.\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"GIS ARIN Technical Contact"
],
[
"org",
[],
"text",
"Cisco Systems"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"cidr-block-admins@cisco.com"
],
[
"email",
[],
"text",
"arin-tech@cisco.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-526-8888"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-02-16T14:02:36-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-07T14:10:05-04:00"
}
],
"handle": "CS-2831",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CS-2831",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
},
{
"href": "https://whois.arin.net/rest/org/CS-2831",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"CISCO SYSTEMS, INC."
],
[
"adr",
{
"label": "251 LITTLE FALLS DRIVE\nWILMINGTON\nDE\n19808\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-03-08T15:23:02-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-05-24T00:00:00-04:00"
}
],
"handle": "NET-64-100-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/64.100.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
},
{
"href": "https://whois.arin.net/rest/net/NET-64-100-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/64.104.0.0/16"
}
],
"name": "CISCO-GEN-6",
"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/64.104.0.0/16"
}
],
"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/64.104.0.0/16"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-64-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"Geofeed https://www.cisco.com/web/automation/CiscoAS109_geoip.csv"
],
"title": "Registration Comments"
}
],
"startAddress": "64.100.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}