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AS13443
LINKEDIN - LinkedIn Corporation Announcing routesAS nameLINKEDIN
OrganisationLinkedIn Corporation
Registry (RIR)ARIN
HandleAS13443
RangeAS13443
Registered27 Jan 2014
Last changed20 Sep 2023
Abuse contact[email protected]
18IPv4 prefixes
58IPv6 prefixes
12Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS9498 | BBIL-AP - BHARTI Airtel Ltd. | 246 |
| AS1299 | TWELVE99 Arelion Sweden AB | 197 |
| AS11404 | AS-WAVE-1 - Wave Broadband | 137 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 131 |
| AS10913 | INTERNAP-BLK - Unitas Global | 114 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 95 |
| AS12179 | INTERNAP-2BLK - Unitas Global | 90 |
| AS6453 | AS6453 - TATA COMMUNICATIONS (AMERICA) INC | 72 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth | 69 |
| AS14744 | INTERNAP-BLOCK-4 - Unitas Global | 68 |
| AS14413 | LINKEDIN - LinkedIn Corporation | 19 |
| AS4755 | TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP | 2 |
Downstreams
None seen.
IPv4 prefixes (18)
IPv6 prefixes (58)
2620:119:501a::/482620:119:5024::/482620:119:5070::/482620:119:5020::/482a05:f507:3::/482620:119:5005::/482620:119:5000::/422620:119:5044::/482a05:f507:5::/482405:2300:ff11::/482620:119:5073::/482a05:f507:45::/482620:119:5075::/482a05:f507:8::/482620:119:5011::/482620:119:500e::/482620:119:501f::/482405:2300:ff45::/482620:119:500a::/482620:119:5074::/482405:2300:ff42::/482620:119:5053::/482620:119:50d2::/482620:119:5002::/482a05:f507:d::/482405:2300:ff00::/402620:119:501d::/482405:2300:ff0c::/482620:119:5025::/482620:119:5008::/482a05:f507:b::/482620:119:5045::/482405:2300:ff72::/482620:119:5001::/482a05:f507:6::/482a05:f507:75::/482405:2300:ff05::/482620:119:501e::/482a05:f507:7::/482620:119:501b::/482620:119:500d::/482620:119:500f::/482a05:f507:c::/482620:119:5071::/482a05:f507:4::/482620:119:5014::/482620:119:5041::/482620:119:5043::/482620:119:5021::/482405:2300:ff75::/482a05:f507:f::/482a05:f507:42::/482620:119:5026::/482620:119:5023::/482620:119:5000::/482a05:f507::/412a05:f507:72::/482405:2300:ff00::/48
RPKI-validate all prefixes of AS13443
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | LinkedIn Corporation | LINKE-1 | 1000 W Maude Ave, Sunnyvale, CA, 94085, United States | |
| technical, noc | Hostmaster | HOSTM905-ARIN | [email protected], +1-650-687-3600, +1-650-687-0505 | 2029 Stierlin Court, Mountain View, CA, 94043, United States |
| abuse | Abuse Desk | ABUSE3328-ARIN | [email protected], +1-650-687-3600 | 2029 Stierlin Court, Mountain View, CA, 94043, United States |
| administrative, routing, dns, technical | Prashanth Kumar | KUMAR276-ARIN | [email protected], +1-650-740-1464 | 1000 W Maude Ave, Sunnyvale, CA, 94085, United States |
| technical | David Paul Zimmerman | DPZ-ARIN | [email protected], +1-408-604-6693 | 1000 West Maude Avenue, Sunnyvale, CA, 94085, United States |
| technical | Prashanth Kumar | KUMAR276-ARIN | [email protected], +1-650-740-1464 | 1000 W Maude Ave, Sunnyvale, CA, 94085, United States |
Raw registry response
{
"endAutnum": 13443,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-11-04T11:59:47-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-12-15T14:24:06-05:00"
}
],
"handle": "HOSTM905-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM905-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM905-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"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 2013-10-27"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2029 Stierlin Court\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Hostmaster"
],
[
"org",
[],
"text",
"LinkedIn Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-687-3600"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-650-687-0505"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-14T12:36:50-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-02-07T18:31:34-05:00"
}
],
"handle": "ABUSE3328-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE3328-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE3328-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"We prefer abuse reports via http://help.linkedin.com"
],
"title": "Registration Comments"
},
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-11-14"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2029 Stierlin Court\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Abuse Desk"
],
[
"org",
[],
"text",
"LinkedIn"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-687-3600"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-26T12:24:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-09-16T03:32:25-04:00"
}
],
"handle": "KUMAR276-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KUMAR276-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/poc/KUMAR276-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"routing",
"dns",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1000 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Prashanth Kumar"
],
[
"n",
[],
"text",
[
"Kumar",
"Prashanth",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-740-1464"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-06-24T15:28:10-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-12-15T17:54:42-05:00"
}
],
"handle": "LINKE-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LINKE-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/org/LINKE-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"LinkedIn Corporation"
],
[
"adr",
{
"label": "1000 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-02T19:30:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-02-20T13:53:16-05:00"
}
],
"handle": "DPZ-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DPZ-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/poc/DPZ-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1000 West Maude Avenue\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"David Paul Zimmerman"
],
[
"n",
[],
"text",
[
"Zimmerman",
"David",
"Paul",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-604-6693"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-26T12:24:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-09-16T03:32:25-04:00"
}
],
"handle": "KUMAR276-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KUMAR276-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/poc/KUMAR276-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1000 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Prashanth Kumar"
],
[
"n",
[],
"text",
[
"Kumar",
"Prashanth",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-740-1464"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-09-19T16:04:20-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-01-27T12:42:10-05:00"
}
],
"handle": "AS13443",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/13443",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/13443"
},
{
"href": "https://whois.arin.net/rest/asn/AS13443",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/13443"
}
],
"name": "LINKEDIN",
"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/13443"
}
],
"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/13443"
}
],
"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": 13443,
"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.