Registry · RDAP Original response
https://rdap.arin.net/registry/ip/157.188.15.121
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "157.188.0.0",
"length": 16
}
],
"endAddress": "157.188.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-04-20T09:13:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-07-21T08:32:38-04:00"
}
],
"handle": "HELP8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HELP8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/poc/HELP8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"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 2022-04-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "80 Maiden Lane\nNew York\nNY\n10038\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"help"
],
[
"org",
[],
"text",
"New York City Cyber Command"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"help@cyber.nyc.gov"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-646-769-2019"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-04-13T19:36:35-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-04-11T23:01:41-04:00"
}
],
"handle": "CSD7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CSD7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/poc/CSD7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"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 2012-04-12"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "DoITT\r\n11 Metrotech Center\nBrooklyn\nNY\n11201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Citywide Service Desk"
],
[
"org",
[],
"text",
"The City of New York"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"citywideservicedesk@doitt.nyc.gov"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-403-8888"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-06-25T08:51:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-09-03T10:33:30-04:00"
}
],
"handle": "SSR7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SSR7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/poc/SSR7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"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 2025-06-25"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse",
"administrative",
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2 Metrotech Center\nBrooklyn\nNY\n11201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Sampath S Rengarajan"
],
[
"n",
[],
"text",
[
"Rengarajan",
"Sampath",
"S",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"rferrelli@oti.nyc.gov"
],
[
"email",
[],
"text",
"srengarajan@oti.nyc.gov"
],
[
"email",
[],
"text",
"keakins@oti.nyc.gov"
],
[
"email",
[],
"text",
"mdancheck@oti.nyc.gov"
],
[
"email",
[],
"text",
"gmarasa@oti.nyc.gov"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-403-1980"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-25T09:34:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-07-15T12:43:01-04:00"
}
],
"handle": "DANCH6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DANCH6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/poc/DANCH6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2 Metrotech Center\nBrooklyn\nNY\n11201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Dancheck"
],
[
"n",
[],
"text",
[
"Dancheck",
"Michael",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"mdancheck@oti.nyc.gov"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-804-4848"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-30T14:30:03-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-12-27T12:05:20-05:00"
}
],
"handle": "CNY-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CNY-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/org/CNY-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"The City of New York"
],
[
"adr",
{
"label": "DoITT\n2 Metrotech Center 2nd Fl\nBrooklyn\nNY\n11201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-04-09T10:48:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "1992-01-22T00:00:00-05:00"
}
],
"handle": "NET-157-188-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/157.188.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
},
{
"href": "https://whois.arin.net/rest/net/NET-157-188-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/157.188.15.121"
}
],
"name": "CITYNET-157-188",
"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/157.188.15.121"
}
],
"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/157.188.15.121"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-157-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "157.188.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}