Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS18564
SJU149068 - St. John's University, New York Announcing routesAS nameSJU149068
OrganisationSt. John's University, New York
Registry (RIR)ARIN
HandleAS18564
RangeAS18564
Registered28 Nov 2006
Last changed02 Mar 2012
9IPv4 prefixes
0IPv6 prefixes
4Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | 274 |
| AS12271 | TWC-12271-NYC - Charter Communications Inc | 264 |
| AS3754 | NYSERNET3-AS - NYSERNet | 10 |
| AS3630 | NYSERNET-BLK - NYSERNet | 2 |
Downstreams
None seen.
IPv4 prefixes (9)
RPKI-validate all prefixes of AS18564
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | St. John's University, New York | SJUNY | 8000 Utopia Parkway, Queens, NY, 11439, United States | |
| abuse, administrative | Anne Rocco Pacione | ARP14-ARIN | [email protected], +1-718-990-2007 | 8000 Utopia Parkway, Queens, NY, 11439, United States |
| abuse, technical | Roger So | RSO15-ARIN | [email protected], +1-718-990-6793 | 8000 Utopia Parkway, Queens, NY, 11439, United States |
| abuse, technical | Roger So | RSO15-ARIN | [email protected], +1-718-990-6793 | 8000 Utopia Parkway, Queens, NY, 11439, United States |
Raw registry response
{
"endAutnum": 18564,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-09T07:28:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-04-24T05:59:19-04:00"
}
],
"handle": "ARP14-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ARP14-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/18564"
},
{
"href": "https://whois.arin.net/rest/poc/ARP14-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/18564"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8000 Utopia Parkway\nQueens\nNY\n11439\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Anne Rocco Pacione"
],
[
"n",
[],
"text",
[
"Pacione",
"Anne",
"Rocco",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-990-2007"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-11T10:21:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-08-07T00:24:15-04:00"
}
],
"handle": "RSO15-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/RSO15-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/18564"
},
{
"href": "https://whois.arin.net/rest/poc/RSO15-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/18564"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8000 Utopia Parkway\nQueens\nNY\n11439\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Roger So"
],
[
"n",
[],
"text",
[
"So",
"Roger",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-990-6793"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-18T11:10:18-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-11-08T17:39:18-05:00"
}
],
"handle": "SJUNY",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SJUNY",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/18564"
},
{
"href": "https://whois.arin.net/rest/org/SJUNY",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/18564"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"St. John's University, New York"
],
[
"adr",
{
"label": "8000 Utopia Parkway\nQueens\nNY\n11439\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-11T10:21:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-08-07T00:24:15-04:00"
}
],
"handle": "RSO15-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/RSO15-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/18564"
},
{
"href": "https://whois.arin.net/rest/poc/RSO15-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/18564"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8000 Utopia Parkway\nQueens\nNY\n11439\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Roger So"
],
[
"n",
[],
"text",
[
"So",
"Roger",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-718-990-6793"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-02T08:03:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-11-27T15:00:10-05:00"
}
],
"handle": "AS18564",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/18564",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/18564"
},
{
"href": "https://whois.arin.net/rest/asn/AS18564",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/18564"
}
],
"name": "SJU149068",
"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/18564"
}
],
"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/18564"
}
],
"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": 18564,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.
