139.121.184.0

  • No reverse DNS
  • Not on blocklists
Network
SAIC-139-121-0
Held by
SAIC
Range
139.121.0.0 - 139.121.255.255
CIDR
139.121.0.0/16
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
dw-noc@saic.com
Checked

Reverse DNS

Names
None

Network

Announced by
AS8987 Amazon Gov Cloud
Route
139.121.184.0/22, carried by 3,232 of bgp.tools' BGP feeds
Kind
Content
Country
US
Tagged
Server Hosting, Tranco 10k Host

Upstreams and peers

  • AS16509 Amazon.com, Inc.1,753 paths

Downstreams

  • AS32983 Corelight, Inc.392 paths
  • AS546 Parsons Corporation296 paths
  • AS188 SAIC231 paths
  • AS14600 SKYHIGH SECURITY LLC230 paths

As the route collectors of RIPEstat see them

Routes AS8987 announces

138 IPv4 prefixes covering 1,288,192 addresses, and 116 IPv6 prefixes

IPv4

And 88 more

IPv6

And 66 more

From bgp.tools

Location

Map © OpenStreetMap contributors
Location
United States
Accuracy
Within 1,000 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

WHOIS

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       139.121.0.0 - 139.121.255.255
CIDR:           139.121.0.0/16
NetName:        SAIC-139-121-0
NetHandle:      NET-139-121-0-0-1
Parent:         NET139 (NET-139-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   SAIC (SAIC-59)
RegDate:        1990-03-08
Updated:        2024-11-15
Comment:        -----BEGIN CERTIFICATE-----MIIDBzCCAe+gAwIBAgIUJ4c8x9MMDAtUKH5E7xM5ImESrEMwDQYJKoZIhvcNAQELBQAwEzERMA8GA1UEAwwIc2FpYy5jb20wHhcNMjQxMDIyMTQzMTUyWhcNMjUxMDIyMTQzMTUyWjATMREwDwYDVQQDDAhzYWljLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL1YL/Je+LXnS3LjE9LLGtUUTUB1EdpyWVaNpJaHbbZnP8mh1FCQDmlIEI+I+610WrRxnqF465aazJLZfmh7w+kczvvbrzJjvA8irf7OZirBKhRNP7LsRdXdpS/sSRpaN1Xbug5jZBKUCFRiyZ5bdHIDwUuFaDCOMXqNPfi7GBcxAPmyxX2gNCnQLGPg+VEgXY+aBFJnuYyOWUPsZhiIsKtpW5/6DhTqvcZ5cXCksaJLyo78qYWCz5d8ozuRG1pBpOzzJR/gbfpO/LUdZ9q7IYWtRM6qr/VhmBnP1MIwGczp/R3SexozswHYUMXIPZoTxFYo9C8hfk3ORln3/B3lJtUCAwEAAaNTMFEwHQYDVR0OBBYEFK9ZMmgXpkWqGc/k22THyiZuTar7MB8GA1UdIwQYMBaAFK9ZMmgXpkWqGc/k22THyiZuTar7MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBADLk4pLGGyNav+MMjI3dERwONgNmEUaS+sjCBa3LRoXVTdPcVW1/42M5abl1zUxTqmysioE7zjVOnf82ICg6ijnHZm/u4WhxtfsBy9NCwENX8HmQitT4FgporQp9/8XZ67xiqwd/eivaIyEQxn/jjV2h2OVM4tRx3uoxDZ2edzFGfuM0Q3g6XeW7QubjAObYRXfljKmogc+Rlle1Sh23sowUiK7wcWl8mchR7uGodiPfCoFCUBnXUwXqN/aWwGaTstvRaFG2304XNHTOpLJm+S76aMqvOJWwany5KJwrwaU6yyw1XVinnRHwlIH+JGhdCA4VL3hU+NO0CtSlAjURIgo=-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/139.121.0.0


OrgName:        SAIC
OrgId:          SAIC-59
Address:        12010 Sunset Hills Rd
City:           Reston
StateProv:      VA
PostalCode:     20190
Country:        US
RegDate:        2014-10-16
Updated:        2022-06-22
Comment:        SAIC
Ref:            https://rdap.arin.net/registry/entity/SAIC-59


OrgAbuseHandle: SAIC-NIC-ARIN
OrgAbuseName:   Network Information Center
OrgAbusePhone:  +1-865-481-1776 
OrgAbuseEmail:  dw-noc@saic.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SAIC-NIC-ARIN

OrgNOCHandle: SAIC-NIC-ARIN
OrgNOCName:   Network Information Center
OrgNOCPhone:  +1-865-481-1776 
OrgNOCEmail:  dw-noc@saic.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SAIC-NIC-ARIN

OrgTechHandle: ICS6-ARIN
OrgTechName:   Slade, Ian Calvin
OrgTechPhone:  +1-703-676-5234 
OrgTechEmail:  ian.slade@saic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICS6-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

RDAP

From https://rdap.arin.net/registry/ip/139.121.184.0

Show the RDAP record
{
  "arin_originas0_originautnums": [],
  "cidr0_cidrs": [
    {
      "v4prefix": "139.121.0.0",
      "length": 16
    }
  ],
  "endAddress": "139.121.255.255",
  "entities": [
    {
      "entities": [
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-08-31T14:56:42-04:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2012-08-23T16:58:41-04:00"
            }
          ],
          "handle": "ICS6-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/ICS6-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
            },
            {
              "href": "https://whois.arin.net/rest/poc/ICS6-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "technical",
            "administrative"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "12010 Sunset Hills Rd\nReston\nVA\n20190\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Ian Calvin Slade"
              ],
              [
                "n",
                {},
                "text",
                [
                  "Slade",
                  "Ian",
                  "Calvin",
                  "",
                  ""
                ]
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ],
              [
                "email",
                {},
                "text",
                "ian.slade@saic.com"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-703-676-5234"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-08-31T14:56:55-04:00"
            }
          ],
          "handle": "SAIC-NIC-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/SAIC-NIC-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
            },
            {
              "href": "https://whois.arin.net/rest/poc/SAIC-NIC-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "abuse",
            "noc"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "151 Lafayette Drive\nSuite 400\nOak Ridge\nTN\n37830\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Network Information Center"
              ],
              [
                "org",
                {},
                "text",
                "SAIC"
              ],
              [
                "kind",
                {},
                "text",
                "group"
              ],
              [
                "email",
                {},
                "text",
                "dw-noc@saic.com"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-865-481-1776"
              ]
            ]
          ]
        }
      ],
      "events": [
        {
          "eventAction": "last changed",
          "eventDate": "2022-06-22T12:05:36-04:00"
        },
        {
          "eventAction": "registration",
          "eventDate": "2014-10-16T11:07:16-04:00"
        }
      ],
      "handle": "SAIC-59",
      "links": [
        {
          "href": "https://rdap.arin.net/registry/entity/SAIC-59",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
        },
        {
          "href": "https://whois.arin.net/rest/org/SAIC-59",
          "rel": "alternate",
          "type": "application/xml",
          "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
        }
      ],
      "objectClassName": "entity",
      "port43": "whois.arin.net",
      "remarks": [
        {
          "description": [
            "SAIC"
          ],
          "title": "Registration Comments"
        }
      ],
      "roles": [
        "registrant"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "SAIC"
          ],
          [
            "adr",
            {
              "label": "12010 Sunset Hills Rd\nReston\nVA\n20190\nUnited States"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "kind",
            {},
            "text",
            "org"
          ]
        ]
      ]
    }
  ],
  "events": [
    {
      "eventAction": "last changed",
      "eventDate": "2024-11-15T11:06:15-05:00"
    },
    {
      "eventAction": "registration",
      "eventDate": "1990-03-08T00:00:00-05:00"
    }
  ],
  "handle": "NET-139-121-0-0-1",
  "ipVersion": "v4",
  "links": [
    {
      "href": "https://rdap.arin.net/registry/ip/139.121.0.0",
      "rel": "self",
      "type": "application/rdap+json",
      "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
    },
    {
      "href": "https://whois.arin.net/rest/net/NET-139-121-0-0-1",
      "rel": "alternate",
      "type": "application/xml",
      "value": "https://rdap.arin.net/registry/ip/139.121.184.0"
    }
  ],
  "name": "SAIC-139-121-0",
  "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/139.121.184.0"
        }
      ],
      "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/139.121.184.0"
        }
      ],
      "title": "Whois Inaccuracy Reporting"
    },
    {
      "description": [
        "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
      ],
      "title": "Copyright Notice"
    }
  ],
  "objectClassName": "ip network",
  "parentHandle": "NET-139-0-0-0-0",
  "port43": "whois.arin.net",
  "rdapConformance": [
    "nro_rdap_profile_0",
    "rdap_level_0",
    "cidr0",
    "arin_originas0"
  ],
  "remarks": [
    {
      "description": [
        "-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
      ],
      "title": "Registration Comments"
    }
  ],
  "startAddress": "139.121.0.0",
  "status": [
    "active"
  ],
  "type": "DIRECT ALLOCATION"
}