Registry · RDAP Original response
https://rdap.arin.net/registry/ip/148.163.153.200
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "148.163.128.0",
"length": 19
}
],
"endAddress": "148.163.159.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-15T10:37:20-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-09-08T14:12:12-04:00"
}
],
"handle": "PAA19-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PAA19-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
},
{
"href": "https://whois.arin.net/rest/poc/PAA19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "13997 S Minuteman Dr\nDraper\nUT\n84020\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Proofpoint ARIN Abuse"
],
[
"org",
[],
"text",
"Proofpoint"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@proofpoint.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-801-748-4494"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-17T11:06:05-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-10-15T16:36:15-04:00"
}
],
"handle": "NETWO2061-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO2061-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO2061-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.proofpoint.com",
"Proofpoint Network Engineering - neteng@proofpoint.com"
],
"title": "Registration Comments"
}
],
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "925 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"Proofpoint, Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"arin-management@proofpoint.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-517-4710"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-801-748-4444"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-06-15T05:46:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-10-16T07:55:10-04:00"
}
],
"handle": "PROOF",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PROOF",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
},
{
"href": "https://whois.arin.net/rest/org/PROOF",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Proofpoint, Inc."
],
[
"adr",
{
"label": "925 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-05-29T17:06:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-06-13T15:21:56-04:00"
}
],
"handle": "NET-148-163-128-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/148.163.128.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
},
{
"href": "https://whois.arin.net/rest/net/NET-148-163-128-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/148.163.153.200"
}
],
"name": "PROOFPOINT-NET-NORTH-AMERICA",
"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/148.163.153.200"
}
],
"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/148.163.153.200"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-148-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
],
"title": "Registration Comments"
}
],
"startAddress": "148.163.128.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}