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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS6150
NCIFCRF - National Cancer Institute Announcing routesAS nameNCIFCRF
OrganisationNational Cancer Institute
Registry (RIR)ARIN
HandleAS6150
RangeAS6150
Registered08 Dec 1995
Last changed20 Dec 2024
1IPv4 prefixes
0IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3527 | NIH-NET - National Institutes of Health | 226 |
Downstreams
None seen.
IPv4 prefixes (1)
RPKI-validate all prefixes of AS6150
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | National Cancer Institute | NCI-1-Z | Frederick Cancer Research Facility, P.O. Box B, Building 430, Frederick, MD, 21702, United States | |
| routing, technical | Derek Traynor | TRAYN4-ARIN | [email protected], +1-301-846-5782 | 1050 Boyles Street, Frederick, MD, 21702, United States |
| abuse | Natasha Freeman | FREEM420-ARIN | [email protected], +1-301-846-6938 | 1050 Boyles Street, B430, Frederick, MD, 21702, United States |
| abuse | Sergio Rodriguez | RODRI1526-ARIN | [email protected], +1-301-846-5784 | 1050 Boyles Street, B430, Frederick, MD, 21702, United States |
| dns, technical | Matthew Reynolds | REYNO712-ARIN | [email protected], +1-301-846-7419 | 1050 Boyles Street, B430, Frederick, MD, 21702, United States |
| administrative, technical | Ed Krusinski | KRUSI-ARIN | [email protected], +1-301-846-5783 | 1050 Boyles Street, Frederick, MD, 21702, United States |
Raw registry response
{
"endAutnum": 6150,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-12T09:18:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-11-14T08:44:39-05:00"
}
],
"handle": "TRAYN4-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TRAYN4-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/poc/TRAYN4-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1050 Boyles Street\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
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],
[
"fn",
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"text",
"Derek Traynor"
],
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]
],
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[
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"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
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]
},
"text",
"+1-301-846-5782"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-02T09:01:02-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-01-31T12:42:31-05:00"
}
],
"handle": "FREEM420-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FREEM420-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/poc/FREEM420-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1050 Boyles Street\nB430\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
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""
]
],
[
"fn",
[],
"text",
"Natasha Freeman"
],
[
"n",
[],
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[
"Freeman",
"Natasha",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-846-6938"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-31T12:40:27-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-01-31T12:40:27-05:00"
}
],
"handle": "RODRI1526-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/RODRI1526-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/poc/RODRI1526-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"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 2023-01-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1050 Boyles Street\nB430\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Sergio Rodriguez"
],
[
"n",
[],
"text",
[
"Rodriguez",
"Sergio",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-846-5784"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-01-31T08:41:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-01-31T12:56:09-05:00"
}
],
"handle": "REYNO712-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/REYNO712-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/poc/REYNO712-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"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 2025-01-30"
],
"title": "Unvalidated POC"
}
],
"roles": [
"dns",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1050 Boyles Street\nB430\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Matthew Reynolds"
],
[
"n",
[],
"text",
[
"Reynolds",
"Matthew",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-846-7419"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-13T10:33:22-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-08-18T15:04:27-04:00"
}
],
"handle": "KRUSI-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KRUSI-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/poc/KRUSI-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1050 Boyles Street\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Ed Krusinski"
],
[
"n",
[],
"text",
[
"Krusinski",
"Ed",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-846-5783"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-12-19T10:24:14-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-12-19T10:24:14-05:00"
}
],
"handle": "NCI-1-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NCI-1-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/org/NCI-1-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"National Cancer Institute"
],
[
"adr",
{
"label": "Frederick Cancer Research Facility\nP.O. Box B, Building 430\nFrederick\nMD\n21702\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-12-19T13:40:43-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-12-08T00:00:00-05:00"
}
],
"handle": "AS6150",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/6150",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6150"
},
{
"href": "https://whois.arin.net/rest/asn/AS6150",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6150"
}
],
"name": "NCIFCRF",
"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/6150"
}
],
"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/6150"
}
],
"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": 6150,
"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.