The contacted_ips relationship returns a list of all distinct IP addresses from which the URL loads some kind of resource. This relationship is only available for Premium API users.

This relationship can be retrieved using the relationships API endpoint. The response contains a list of IP address objects.

{
  "data": [
    <IP_OBJECT>,
    <IP_OBJECT>,
    ...
  ],
  "links": {
    "next": "<string>",
    "self": "<string>"
  },
  "meta": {
    "count": <int>,
    "cursor": "<string>"
  }
}

{
    "data": [
        {
            "attributes": {
                "as_owner": "Strato AG",
                "asn": 6724,
                "continent": "EU",
                "country": "DE",
                "last_analysis_results": {
                    "ADMINUSLabs": {
                        "category": "harmless",
                        "engine_name": "ADMINUSLabs",
                        "method": "blacklist",
                        "result": "clean"
                    },
                    "AegisLab WebGuard": {
                        "category": "harmless",
                        "engine_name": "AegisLab WebGuard",
                        "method": "blacklist",
                        "result": "clean"
                    },
                    "AlienVault": {
                        "category": "harmless",
                        "engine_name": "AlienVault",
                        "method": "blacklist",
                        "result": "clean"
                    },
                    "Antiy-AVL": {
                        "category": "harmless",
                        "engine_name": "Antiy-AVL",
                        "method": "blacklist",
                        "result": "clean"
                    },
                    "AutoShun": {
                        "category": "harmless",
                        "engine_name": "AutoShun",
                        "method": "blacklist",
                        "result": "clean"
                    },
                },
                "last_analysis_stats": {
                    "harmless": 5,
                    "malicious": 0,
                    "suspicious": 0,
                    "timeout": 0,
                    "undetected": 0
                },
                "last_https_certificate": {
                    "cert_signature": {
                        "signature": "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",
                        "signature_algorithm": "sha256RSA"
                    },
                    "extensions": {
                        "1.3.6.1.4.1.11129.2.4.2": "0481f300f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f",
                        "CA": true,
                        "authority_key_identifier": {
                            "keyid": "a84a6a63047dddbae6d139b7a64565eff3a8eca1"
                        },
                        "ca_information_access": {
                            "CA Issuers": "http://cert.int-x3.letsencrypt.org/",
                            "OCSP": "http://ocsp.int-x3.letsencrypt.org"
                        },
                        "certificate_policies": [
                            "2.23.140.1.2.1",
                            "1.3.6.1.4.1.44947.1.1.1"
                        ],
                        "extended_key_usage": [
                            "serverAuth",
                            "clientAuth"
                        ],
                        "key_usage": [
                            "ff"
                        ],
                        "subject_alternative_name": [
                            "www.ufos-hosting.de"
                        ],
                        "subject_key_identifier": "f522cd9c9a4ccdf5d1ec3f925013bf1185e0bc0c"
                    },
                    "issuer": {
                        "C": "US",
                        "CN": "Let's Encrypt Authority X3",
                        "O": "Let's Encrypt"
                    },
                    "public_key": {
                        "algorithm": "RSA",
                        "rsa": {
                            "exponent": "010001",
                            "key_size": 2048,
                            "modulus": "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"
                        }
                    },
                    "serial_number": "36feb381e87e4ed9b5ee53c76bdaccfabc0",
                    "signature_algorithm": "sha256RSA",
                    "size": 1379,
                    "subject": {
                        "CN": "www.ufos-hosting.de"
                    },
                    "thumbprint": "b796e1d3210edcf97290e147d1245cfc9a78132c",
                    "thumbprint_sha256": "988858e7387a90af438c9d1edad64fa01e0e85666ebf88ae458b1ceb553c5760",
                    "validity": {
                        "not_after": "2019-10-10 14:36:27",
                        "not_before": "2019-07-12 14:36:27"
                    },
                    "version": "V3"
                },
                "last_https_certificate_date": 1566463571,
                "last_modification_date": 1591890478,
                "network": "81.169.128.0/17",
                "regional_internet_registry": "RIPE NCC",
                "reputation": 0,
                "tags": [],
                "total_votes": {
                    "harmless": 0,
                    "malicious": 0
                },
                "whois": "NetRange: 31.0.0.0 - 31.255.255.255\nCIDR: 31.0.0.0/8\nNetName: 31-RIPE\nNetHandle: NET-31-0-0-0-1\nParent: ()\nNetType: Allocated to RIPE NCC\nOriginAS: \nOrganization: RIPE Network Coordination Centre (RIPE)\nRegDate: \nUpdated: 2009-03-25\nComment: These addresses have been further assigned to users in\nComment: the RIPE NCC region. Contact information can be found in\nComment: the RIPE database at http://www.ripe.net/whois\nRef: https://rdap.arin.net/registry/ip/31.0.0.0\nResourceLink: https://apps.db.ripe.net/search/query.html\nResourceLink: whois.ripe.net\nOrgName: RIPE Network Coordination Centre\nOrgId: RIPE\nAddress: P.O. Box 10096\nCity: Amsterdam\nStateProv: \nPostalCode: 1001EB\nCountry: NL\nRegDate: \nUpdated: 2013-07-29\nRef: https://rdap.arin.net/registry/entity/RIPE\nReferralServer: whois://whois.ripe.net\nResourceLink: https://apps.db.ripe.net/search/query.html\nOrgTechHandle: RNO29-ARIN\nOrgTechName: RIPE NCC Operations\nOrgTechPhone: +31 20 535 4444 \nOrgTechEmail: hostmaster@ripe.net\nOrgTechRef: https://rdap.arin.net/registry/entity/RNO29-ARIN\nOrgAbuseHandle: ABUSE3850-ARIN\nOrgAbuseName: Abuse Contact\nOrgAbusePhone: +31205354444 \nOrgAbuseEmail: abuse@ripe.net\nOrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3850-ARIN\ninetnum: 31.139.365.0 - 31.139.365.255\nnetname: STRATO-RZG-DED\norg: ORG-SRA1-RIPE\ndescr: Strato Rechenzentrum, Berlin\ncountry: DE\nadmin-c: SRDS-RIPE\ntech-c: SRDS-RIPE\nremarks: ************************************************************\nremarks: * Please send abuse complaints to abuse-server@strato.de *\nremarks: * or fax +49-30-88615-755 ONLY. *\nremarks: * Abuse reports to other e-mail addresses will be ignored. *\nremarks: ************************************************************\nstatus: ASSIGNED PA\nmnt-by: STRATO-RZG-MNT\ncreated: 2004-02-03T18:37:52Z\nlast-modified: 2013-07-06T09:34:25Z\nsource: RIPE\norganisation: ORG-SRA1-RIPE\norg-name: Strato AG\norg-type: LIR\naddress: Pascalstrasse 10\naddress: 10587\naddress: Berlin\naddress: GERMANY\nphone: +4930398020\nfax-no: +493039802222\nadmin-c: CM265-RIPE\nabuse-c: SRAC-RIPE\nmnt-ref: RIPE-NCC-HM-MNT\nmnt-ref: STRATO-RZG-MNT\nmnt-by: RIPE-NCC-HM-MNT\nmnt-by: STRATO-RZG-MNT\ncreated: 2004-04-17T11:12:39Z\nlast-modified: 2019-02-06T12:46:35Z\nsource: RIPE # Filtered\nrole: RIPE contact Dedicated Server\naddress: STRATO AG\naddress: Pascalstr. 10\naddress: D-10587 Berlin\naddress: Germany\nphone: +49 30 39802-0\norg: ORG-SRA1-RIPE\nabuse-mailbox: abuse-server@strato.de\nadmin-c: XX1-RIPE\ntech-c: XX1-RIPE\nnic-hdl: SRDS-RIPE\nremarks: ************************************************************\nremarks: * Please send abuse complaints to abuse-server@strato.de *\nremarks: * or fax +49-30-88615-755 ONLY. *\nremarks: * Abuse reports to other e-mail addresses will be ignored. *\nremarks: * *\nremarks: * For peering requests or operational issues please look *\nremarks: * at the information in the AS6724 RIPE database object. *\nremarks: ************************************************************\nmnt-by: STRATO-RZG-MNT\ncreated: 2010-01-15T08:35:31Z\nlast-modified: 2019-02-06T12:47:52Z\nsource: RIPE # Filtered\nroute: 81.169.165.0/24\ndescr: STRATO AG\ndescr: prefix only advertised in case of DDoS\norigin: AS6724\nmnt-by: STRATO-RZG-MNT\ncreated: 2014-02-18T16:19:05Z\nlast-modified: 2014-02-18T16:19:05Z\nsource: RIPE\n",
                "whois_date": 1565760528
            },
            "id": "31.139.365.245",
            "links": {
                "self": "https://www.virustotal.com/api/v3/ip_addresses/31.139.365.245"
            },
            "type": "ip_address"
        }
    ],
    "links": {
        "self": "https://www.virustotal.com/api/v3/urls/afed5cd29ae397eb3c7ec5a7bef3952ef1ae7f6a62a9e4bbe9497e705f4eac5e/contacted_ips?limit=10"
    },
    "meta": {
        "count": 1
    }
}