Organization
AstraZeneca Pharmaceuticals LP
NETBLK-MEDIMMUNE
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
- 39.7856, -75.5503 View on map ↗
Network Information
IP Range 199.68.16.0 – 199.68.25.255 CIDR 199.68.16.0/21, 199.68.24.0/23 Network Name NETBLK-MEDIMMUNE Handle NET-199-68-16-0-1 Type DIRECT ALLOCATION Parent Network NET-199-0-0-0-0 Organization AstraZeneca Pharmaceuticals LP Organization ID ASTRAZ Address 1800 Concord Pike, Wilmington, DE, 19850, United States Country United States (US) Registry ARIN Registered On Dec 01, 1993 Last Updated Mar 26, 2026 Status
active
ASN & Routing
Origin AS AS13335 AS Name CLOUDFLARENET - Cloudflare, Inc., US Announced Prefix 199.68.18.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1993-12-01 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": "199.68.16.0",
"length": 21
},
{
"v4prefix": "199.68.24.0",
"length": 23
}
],
"endAddress": "199.68.25.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-20T12:33:22-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-09-27T11:09:38-04:00"
}
],
"handle": "PATTA21-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PATTA21-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/poc/PATTA21-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-11T09:47:59-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-01-02T10:16:07-05:00"
}
],
"handle": "SOC65-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SOC65-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/poc/SOC65-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1 Francis Crick Avenue\nCambridge Biomedical Campus\nCambridge\n\nCB2 0AA\nUnited Kingdom"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"SOC"
],
[
"org",
{},
"text",
"AstraZeneca"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+441625513080"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-06T11:19:37-05:00"
},
{
"eventAction": "registration",
"eventDate": "2026-02-06T11:19:37-05:00"
}
],
"handle": "ADN11-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ADN11-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/poc/ADN11-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Ramanujam teh Park, Taramani\nChennai\nChennai\nTamilnadu\n\nIndia"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Dilip Nelson A Arul"
],
[
"n",
{},
"text",
[
"Arul",
"Dilip Nelson A",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+919043618561"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-06T12:58:40-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-04-27T00:00:00-04:00"
}
],
"handle": "ASTRAZ",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ASTRAZ",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/org/ASTRAZ",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"AstraZeneca Pharmaceuticals LP"
],
[
"adr",
{
"label": "1800 Concord Pike\nWilmington\nDE\n19850\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-05T23:52:32-05:00"
},
{
"eventAction": "registration",
"eventDate": "2026-02-05T23:52:32-05:00"
}
],
"handle": "ARULD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ARULD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/poc/ARULD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-20T12:33:22-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-09-27T11:09:38-04:00"
}
],
"handle": "PATTA21-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PATTA21-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/poc/PATTA21-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-26T09:55:37-04:00"
},
{
"eventAction": "registration",
"eventDate": "1993-12-01T00:00:00-05:00"
}
],
"handle": "NET-199-68-16-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/199.68.16.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-199-68-16-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.68.18.0"
}
],
"name": "NETBLK-MEDIMMUNE",
"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/199.68.18.0"
}
],
"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/199.68.18.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-199-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "199.68.16.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.