Registry · RDAP Original response https://rdap.arin.net/registry/autnum/53813 Copy record
{
"endAutnum": 53813,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-18T14:34:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-02T12:49:30-04:00"
}
],
"handle": "MMT31-ARIN",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/MMT31-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/poc/MMT31-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net ",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
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},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Michael Teng"
],
[
"n",
[],
"text",
[
"Teng",
"Michael",
"Michael",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"mteng@zscaler.com "
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-937-9195"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-21T18:47:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-08-22T06:12:17-04:00"
}
],
"handle": "CHANG452-ARIN",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/CHANG452-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/poc/CHANG452-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net ",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "120 Holger Way\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Yulin Chang"
],
[
"n",
[],
"text",
[
"Chang",
"Yulin",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"ychang@zscaler.com "
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-533-0288"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-16T19:31:00-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-09-29T18:43:43-04:00"
}
],
"handle": "POCAB2-ARIN",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/POCAB2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/poc/POCAB2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"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 2025-10-16"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "120 Holger Way Fl 7\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"poc-abuse"
],
[
"org",
[],
"text",
"Zscaler Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"poc-abuse@zscaler.com "
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-701-0534"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-16T19:31:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-09-29T19:51:51-04:00"
}
],
"handle": "POCNO1-ARIN",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/POCNO1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/poc/POCNO1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"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 2025-10-16"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "120 Holger Way Fl 7\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"poc-noc"
],
[
"org",
[],
"text",
"Zscaler Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"poc-noc@zscaler.com "
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-701-0534"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-16T19:31:15-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-09-29T19:53:52-04:00"
}
],
"handle": "POCTE3-ARIN",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/POCTE3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/poc/POCTE3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"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 2025-10-16"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "120 Holger Way Fl 7\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"poc-tech"
],
[
"org",
[],
"text",
"Zscaler Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"poc-tech@zscaler.com "
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-701-0534"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-06T13:57:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-18T12:23:24-04:00"
}
],
"handle": "ZSCAL",
"links": [
{
"href": "https://rdap.arin.net /registry/entity/ZSCAL",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/org/ZSCAL",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net ",
"remarks": [
{
"description": [
"Zscaler customer traffic originates from colocation facilities around the world. You should *NOT* use the address or contact information here for the purposes of geolocation. Additionally, because traffic egressing our network may belong to any one of our customers, you should not assume that this traffic belongs to us.\r",
"\r",
"For network or security incidents, please reach out to our abuse POC, which is actually monitored and actioned."
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"ZSCALER, INC."
],
[
"adr",
{
"label": "120 Holger Way\nSan Jose\nCA\n95134\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2013-04-23T04:18:11-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-03T08:52:58-04:00"
}
],
"handle": "AS53813",
"links": [
{
"href": "https://rdap.arin.net /registry/autnum/53813",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net /registry/autnum/53813"
},
{
"href": "https://whois.arin.net /rest/asn/AS53813",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net /registry/autnum/53813"
}
],
"name": "ZSCALER-INC",
"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/autnum/53813"
}
],
"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/autnum/53813"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net ",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 53813,
"status": [
"active"
]
} 