{"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":"170.52.0.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.52.0.0-170.52.7.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-12-29)"},"current_holder":{"rir":"ARIN","org":"Oracle Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":30012,"date":"2022-12-29T17:56:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SUBSPACE","recipient_org":"Oracle Corporation","range":"170.52.0.0/21","log":"ARIN"},{"id":12749,"date":"2018-03-30T13:46:56Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Flowroute Inc.","recipient_org":"subspace","range":"170.52.0.0/21","log":"ARIN"},{"id":8786,"date":"2017-03-03T19:07:17Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Penn Mutual Life Insurance Company","recipient_org":"Flowroute Inc.","range":"170.52.0.0/21","log":"ARIN"}],"events":[{"event_id":"ee8ba3269a842dc7","registry":"ARIN","report_date":"2022-12-29","source":"arin_issued","raw_action":"ADD","raw_line":"Add 170.52.0.0-170.52.7.255","resource_type":"ipv4","resource":"170.52.0.0/21","start":"170.52.0.0","end":"170.52.7.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"SUBSPACE","recipient_organization":"Oracle Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:34+00:00","page":"https://rirtracker.com/ip/170.52.0.0-170.52.7.255/#e-ee8ba3269a842dc7","report_page":"https://rirtracker.com/arin/reports/2022-12-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.52.0.0-170.52.7.255.json","explanation":"ARIN's transfer log records a transfer from SUBSPACE (ARIN) to Oracle Corporation (ARIN) on 2022-12-29 17:56 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/2022-December/005130.html","retrieved_at":"2026-10-12T18:42:00+00:00","summary":"ARIN-Issued report for 2022-12-29: \"Add 170.52.0.0-170.52.7.255\""},{"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 2022-12-29 17:56 UTC, SUBSPACE (ARIN) to Oracle Corporation (ARIN); resources moved: 170.52.0.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221228.gz","retrieved_at":"2026-10-12T23:13:16+00:00","summary":"ARIN delegated statistics 2022-12-28 (produced 2022-12-28T14:00:10+00:00), before the report: allocated (dated 2017-03-03)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221230.gz","retrieved_at":"2026-10-12T23:13:30+00:00","summary":"ARIN delegated statistics 2022-12-30 (produced 2022-12-30T14:00:10+00:00), after the report: allocated (dated 2022-12-29)"}]},{"event_id":"314843dbc51f051f","registry":"ARIN","report_date":"2018-03-30","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.52.0.0/21","start":"170.52.0.0","end":"170.52.7.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Flowroute Inc.","recipient_organization":"subspace","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","page":"https://rirtracker.com/ip/170.52.0.0-170.52.7.255/#e-314843dbc51f051f","report_page":"https://rirtracker.com/arin/reports/2018-03-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.52.0.0-170.52.7.255.json","observed":"Merger/acquisition: Flowroute Inc. (ARIN) to subspace (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Flowroute Inc. (ARIN) to subspace (ARIN) on 2018-03-30 13:46 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2018-03-30 13:46 UTC, Flowroute Inc. (ARIN) to subspace (ARIN); resources moved: 170.52.0.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180329.gz","retrieved_at":"2026-10-12T21:43:50+00:00","summary":"ARIN delegated statistics 2018-03-29 (produced 2018-03-29T05:11:28+00:00), before the report: assigned (dated 2017-03-03)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180331.gz","retrieved_at":"2026-10-12T21:44:02+00:00","summary":"ARIN delegated statistics 2018-03-31 (produced 2018-03-31T05:11:02+00:00), after the report: assigned (dated 2017-03-03)"}]},{"event_id":"0cafe4e49d3e72b0","registry":"ARIN","report_date":"2017-03-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add 170.52.0.0-170.52.7.255","resource_type":"ipv4","resource":"170.52.0.0/21","start":"170.52.0.0","end":"170.52.7.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Penn Mutual Life Insurance Company","recipient_organization":"Flowroute Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:44+00:00","page":"https://rirtracker.com/ip/170.52.0.0-170.52.7.255/#e-0cafe4e49d3e72b0","report_page":"https://rirtracker.com/arin/reports/2017-03-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.52.0.0-170.52.7.255.json","piece_of":{"resource":"170.52.0.0/16","page":"https://rirtracker.com/ip/170.52.0.0-170.52.255.255/"},"explanation":"ARIN's transfer log records a transfer from Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN) on 2017-03-03 19:07 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/2017-March/003004.html","retrieved_at":"2026-10-12T18:39:34+00:00","summary":"ARIN-Issued report for 2017-03-03: \"Add 170.52.0.0-170.52.7.255\""},{"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 2017-03-03 19:07 UTC, Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN); resources moved: 170.52.0.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170302.gz","retrieved_at":"2026-10-12T21:24:24+00:00","summary":"ARIN delegated statistics 2017-03-02 (produced 2017-03-02T06:10:38+00:00), before the report: assigned (dated 1994-02-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170304.gz","retrieved_at":"2026-10-12T21:24:35+00:00","summary":"ARIN delegated statistics 2017-03-04 (produced 2017-03-04T06:10:49+00:00), after the report: assigned (dated 2017-03-03)"}]}],"classification_history":{"ee8ba3269a842dc7":[{"raw_change_id":179654,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:57:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SUBSPACE (ARIN) to Oracle Corporation (ARIN) on 2022-12-29 17:56 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179654,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:21+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SUBSPACE (ARIN) to Oracle Corporation (ARIN) on 2022-12-29 17:56 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179654,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from SUBSPACE (ARIN) to Oracle Corporation (ARIN) on 2022-12-29 17:56 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179654,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from SUBSPACE (ARIN) to Oracle Corporation (ARIN) on 2022-12-29 17:56 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"314843dbc51f051f":[{"raw_change_id":554330,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Flowroute Inc. (ARIN) to subspace (ARIN) on 2018-03-30 13:46 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"0cafe4e49d3e72b0":[{"raw_change_id":148255,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:37:27+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN) on 2017-03-03 19:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148255,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN) on 2017-03-03 19:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148255,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:38+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN) on 2017-03-03 19:07 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148255,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Penn Mutual Life Insurance Company (ARIN) to Flowroute Inc. (ARIN) on 2017-03-03 19:07 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 2022-12-29)"}}