{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"52.116.0.0 - 52.118.255.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/52.116.0.0-52.118.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-04-27)"},"current_holder":{"rir":"ARIN","org":"SoftLayer Technologies Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":39169,"date":"2025-02-28T18:53:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SoftLayer Technologies Inc.","recipient_org":"IBM Cloud","range":"52.116.0.0/15","log":"ARIN"},{"id":39172,"date":"2025-02-28T18:53:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SoftLayer Technologies Inc.","recipient_org":"IBM Cloud","range":"52.118.0.0/16","log":"ARIN"},{"id":5684,"date":"2015-04-27T18:43:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"E.I. du Pont de Nemours and Co., Inc.","recipient_org":"SoftLayer Technologies Inc.","range":"52.116.0.0/15","log":"ARIN"},{"id":5685,"date":"2015-04-27T18:43:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"E.I. du Pont de Nemours and Co., Inc.","recipient_org":"SoftLayer Technologies Inc.","range":"52.118.0.0/16","log":"ARIN"}],"events":[{"event_id":"5a7203063808e96c","registry":"ARIN","report_date":"2015-04-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 52.116.0.0-52.118.255.255","resource_type":"ipv4","resource":"52.116.0.0 - 52.118.255.255","start":"52.116.0.0","end":"52.118.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"E.I. du Pont de Nemours and Co., Inc.","recipient_organization":"SoftLayer Technologies Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:22+00:00","page":"https://rirtracker.com/ip/52.116.0.0-52.118.255.255/#e-5a7203063808e96c","report_page":"https://rirtracker.com/arin/reports/2015-04-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/52.116.0.0-52.118.255.255.json","piece_of":{"resource":"52.0.0.0/8","page":"https://rirtracker.com/ip/52.0.0.0-52.255.255.255/"},"explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2015-04-27 18:43 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-April/002328.html","retrieved_at":"2026-10-12T18:38:45+00:00","summary":"ARIN-Issued report for 2015-04-27: \"Add 52.116.0.0-52.118.255.255\""},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2015-04-27 18:43 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN); resources moved: 52.116.0.0/15"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2015-04-27 18:43 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN); resources moved: 52.118.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150426.gz","retrieved_at":"2026-10-12T20:51:41+00:00","summary":"ARIN delegated statistics 2015-04-26 (produced 2015-04-26T05:04:28+00:00), before the report: assigned (dated 1991-12-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150428.gz","retrieved_at":"2026-10-12T20:51:46+00:00","summary":"ARIN delegated statistics 2015-04-28 (produced 2015-04-28T05:04:20+00:00), after the report: allocated (dated 2015-04-27)"}]}],"classification_history":{"5a7203063808e96c":[{"raw_change_id":137171,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:30:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2015-04-27 18:43 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":137171,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2015-04-27 18:43 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":137171,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2015-04-27 18:43 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":137171,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:22+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to SoftLayer Technologies Inc. (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2015-04-27 18:43 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2015-04-27)"}}