Registry · RDAP Original response
https://rdap.arin.net/registry/ip/154.3.45.0/24
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "154.3.45.0",
"length": 24
}
],
"endAddress": "154.3.45.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-14T01:00:07-05:00"
},
{
"eventAction": "registration",
"eventDate": "2016-01-13T19:03:27-05:00"
}
],
"handle": "COPSO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COPSO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/COPSO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://endoffice.com",
"24/7/365 Availability"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse",
"noc",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "6 Liberty Sq., Suite 170\nBoston\nMA\n02109\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jay Copson"
],
[
"n",
[],
"text",
[
"Copson",
"Jay",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"support@endoffice.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-978-344-2656"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2018-05-01T11:17:02-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-04-04T08:53:54-04:00"
}
],
"handle": "JC-328",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JC-328",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
},
{
"href": "https://whois.arin.net/rest/org/JC-328",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.endoffice.com"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Charles River Operation"
],
[
"adr",
{
"label": "6 Liberty Sq., Ste. 170\nBoston\nMA\n02109\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2019-10-29T10:47:52-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-10-29T10:47:52-04:00"
}
],
"handle": "NET-154-3-45-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/154.3.45.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
},
{
"href": "https://whois.arin.net/rest/net/NET-154-3-45-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
},
{
"href": "https://rdap.arin.net/registry/ip/154.3.0.0/16",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.3.45.0/24"
}
],
"name": "NET-154-3-45-0-1",
"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/154.3.45.0/24"
}
],
"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/154.3.45.0/24"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-154-3-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "154.3.45.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
}