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AS397933
DC2-WAN - Clark Associates, Inc. Announcing routesAS nameDC2-WAN
OrganisationClark Associates, Inc.
Registry (RIR)ARIN
HandleAS397933
RangeAS397933
Registered13 Sep 2019
Last changed17 Oct 2019
Abuse contact[email protected]
3IPv4 prefixes
1IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS23005 | SWITCH-LTD - SWITCH, LTD | 518 |
Downstreams
None seen.
IPv4 prefixes (3)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS397933
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Clark Associates, Inc. | CA-725 | 2205 Old Philidelphia Pike, Lancaster, PA, 17602, United States | |
| abuse, administrative, technical | ARIN POC | ARINP58-ARIN | [email protected], +1-717-392-7550 | 2205 Old Philadelphia Pike, Lancaster, PA, 17602, United States |
| technical | ClarkSystemAdmins | CLARK1284-ARIN | [email protected], +1-717-392-7550 | 2205 Old Philadelphia Pike, Lancaster, PA, 17602, United States |
Raw registry response
{
"endAutnum": 397933,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-29T15:28:18-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-09-18T11:45:48-04:00"
}
],
"handle": "ARINP58-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ARINP58-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/397933"
},
{
"href": "https://whois.arin.net/rest/poc/ARINP58-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/397933"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2205 Old Philadelphia Pike\nLancaster\nPA\n17602\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"ARIN POC"
],
[
"org",
[],
"text",
"Clark Associates, Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-717-392-7550"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-23T08:05:33-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-07-23T15:21:58-04:00"
}
],
"handle": "CLARK1284-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CLARK1284-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/397933"
},
{
"href": "https://whois.arin.net/rest/poc/CLARK1284-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/397933"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2205 Old Philadelphia Pike\nLancaster\nPA\n17602\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"ClarkSystemAdmins"
],
[
"org",
[],
"text",
"Clark Associates, Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-717-392-7550"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-09-18T12:14:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-05-09T11:14:44-04:00"
}
],
"handle": "CA-725",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CA-725",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/397933"
},
{
"href": "https://whois.arin.net/rest/org/CA-725",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/397933"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Clark Associates, Inc."
],
[
"adr",
{
"label": "2205 Old Philidelphia Pike\nLancaster\nPA\n17602\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2019-10-17T09:54:46-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-09-12T14:55:32-04:00"
}
],
"handle": "AS397933",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/397933",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/397933"
},
{
"href": "https://whois.arin.net/rest/asn/AS397933",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/397933"
}
],
"name": "DC2-WAN",
"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/397933"
}
],
"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/397933"
}
],
"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": 397933,
"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.