Organization
KANTAR
NETBLK-KANTAR
Location
Wilmington
Delaware, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Delaware
- City
- Wilmington
- Continent
- North America
- Coordinates
- 39.8092, -75.5426 View on map ↗
Network Information
IP Range 204.52.187.0 – 204.52.188.255 CIDR 204.52.187.0/24, 204.52.188.0/24 Network Name NETBLK-KANTAR Handle NET-204-52-187-0-1 Type DIRECT ALLOCATION Parent Network NET-204-0-0-0-0 Organization KANTAR Organization ID KL-251 Address 3411 SILVERSIDE ROAD TATNALL BUILDING STE 104, WILMINGTON, DE, 19810, United States Country United States (US) Registry ARIN Registered On Jul 07, 1994 Last Updated Jan 09, 2025 Status
active
ASN & Routing
Origin AS AS3300 AS Name BT - British Telecommunications Limited, GB Announced Prefix 204.52.187.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1994-07-07 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "204.52.187.0",
"length": 24
},
{
"v4prefix": "204.52.188.0",
"length": 24
}
],
"endAddress": "204.52.188.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-19T06:47:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-07-15T05:34:04-04:00"
}
],
"handle": "KANTA10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KANTA10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
},
{
"href": "https://whois.arin.net/rest/poc/KANTA10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"technical",
"dns",
"abuse",
"administrative",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6 More London Place\nLondon\nUK\nSE12QY\nUnited Kingdom"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Kantar networks"
],
[
"org",
{},
"text",
"Kantar"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+4402086014499"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-10-25T08:38:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-01-17T09:42:52-05:00"
}
],
"handle": "KL-251",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KL-251",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
},
{
"href": "https://whois.arin.net/rest/org/KL-251",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"KANTAR"
],
[
"adr",
{
"label": "3411 SILVERSIDE ROAD TATNALL BUILDING STE 104\nWILMINGTON\nDE\n19810\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-09T11:44:51-05:00"
},
{
"eventAction": "registration",
"eventDate": "1994-07-07T00:00:00-04:00"
}
],
"handle": "NET-204-52-187-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/204.52.187.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-204-52-187-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/204.52.187.0"
}
],
"name": "NETBLK-KANTAR",
"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/204.52.187.0"
}
],
"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/204.52.187.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-204-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "204.52.187.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.