{"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":"162.223.124.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/162.223.124.0-162.223.124.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-07-07)"},"current_holder":{"rir":"ARIN","org":"Black Duck Software, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43999,"date":"2026-05-19T20:17:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Synopsys Inc.","recipient_org":"Black Duck Software, Inc.","range":"162.223.124.0/24","log":"ARIN"},{"id":32658,"date":"2023-08-09T22:10:46Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WhiteHat Security, Inc.","recipient_org":"Synopsys Inc.","range":"162.223.124.0/24","log":"ARIN"},{"id":10259,"date":"2017-07-07T17:34:55Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aqueous Networks LLC","recipient_org":"WhiteHat Security, Inc.","range":"162.223.124.0/24","log":"ARIN"}],"events":[{"event_id":"4c768d21b9e51008","registry":"ARIN","report_date":"2026-05-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.223.124.0/24","start":"162.223.124.0","end":"162.223.124.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Synopsys Inc.","recipient_organization":"Black Duck Software, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:28+00:00","page":"https://rirtracker.com/ip/162.223.124.0-162.223.124.255/#e-4c768d21b9e51008","report_page":"https://rirtracker.com/arin/reports/2026-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.223.124.0-162.223.124.255.json","observed":"Merger/acquisition: Synopsys Inc. (ARIN) to Black Duck Software, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Synopsys Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2026-05-19 20:17 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 2026-05-19 20:17 UTC, Synopsys Inc. (ARIN) to Black Duck Software, Inc. (ARIN); resources moved: 162.223.124.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260518","retrieved_at":"2026-10-09T19:01:31+00:00","summary":"ARIN delegated statistics 2026-05-18 (produced 2026-05-18T13:00:40+00:00), before the report: allocated (dated 2017-07-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260520","retrieved_at":"2026-10-09T19:01:37+00:00","summary":"ARIN delegated statistics 2026-05-20 (produced 2026-05-20T13:00:40+00:00), after the report: allocated (dated 2017-07-07)"}]},{"event_id":"5de580ecb1157455","registry":"ARIN","report_date":"2023-08-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.223.124.0/24","start":"162.223.124.0","end":"162.223.124.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"WhiteHat Security, Inc.","recipient_organization":"Synopsys Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:10+00:00","page":"https://rirtracker.com/ip/162.223.124.0-162.223.124.255/#e-5de580ecb1157455","report_page":"https://rirtracker.com/arin/reports/2023-08-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.223.124.0-162.223.124.255.json","observed":"Merger/acquisition: WhiteHat Security, Inc. (ARIN) to Synopsys Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WhiteHat Security, Inc. (ARIN) to Synopsys Inc. (ARIN) on 2023-08-09 22:10 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 2023-08-09 22:10 UTC, WhiteHat Security, Inc. (ARIN) to Synopsys Inc. (ARIN); resources moved: 162.223.124.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230808.gz","retrieved_at":"2026-10-12T23:25:04+00:00","summary":"ARIN delegated statistics 2023-08-08 (produced 2023-08-08T13:00:15+00:00), before the report: allocated (dated 2017-07-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230810.gz","retrieved_at":"2026-10-12T23:25:09+00:00","summary":"ARIN delegated statistics 2023-08-10 (produced 2023-08-10T13:00:13+00:00), after the report: allocated (dated 2017-07-07)"}]},{"event_id":"ebc8b187434da3c1","registry":"ARIN","report_date":"2017-07-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.223.124.0-162.223.124.255","resource_type":"ipv4","resource":"162.223.124.0/24","start":"162.223.124.0","end":"162.223.124.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Aqueous Networks LLC","recipient_organization":"WhiteHat Security, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:49+00:00","page":"https://rirtracker.com/ip/162.223.124.0-162.223.124.255/#e-ebc8b187434da3c1","report_page":"https://rirtracker.com/arin/reports/2017-07-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.223.124.0-162.223.124.255.json","piece_of":{"resource":"162.223.120.0/21","page":"https://rirtracker.com/ip/162.223.120.0-162.223.127.255/"},"explanation":"ARIN's transfer log records a transfer from Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN) on 2017-07-07 17:34 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-July/003131.html","retrieved_at":"2026-10-12T18:39:42+00:00","summary":"ARIN-Issued report for 2017-07-07: \"Add 162.223.124.0-162.223.124.255\""},{"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 2017-07-07 17:34 UTC, Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN); resources moved: 162.223.124.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170706.gz","retrieved_at":"2026-10-12T21:30:42+00:00","summary":"ARIN delegated statistics 2017-07-06 (produced 2017-07-06T05:08:25+00:00), before the report: allocated (dated 2013-10-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170708.gz","retrieved_at":"2026-10-12T21:30:54+00:00","summary":"ARIN delegated statistics 2017-07-08 (produced 2017-07-08T05:08:34+00:00), after the report: allocated (dated 2017-07-07)"}]}],"classification_history":{"4c768d21b9e51008":[{"raw_change_id":576157,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Synopsys Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2026-05-19 20:17 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."}],"5de580ecb1157455":[{"raw_change_id":568944,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WhiteHat Security, Inc. (ARIN) to Synopsys Inc. (ARIN) on 2023-08-09 22:10 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."}],"ebc8b187434da3c1":[{"raw_change_id":149856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:39+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN) on 2017-07-07 17:34 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":149856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN) on 2017-07-07 17:34 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":149856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN) on 2017-07-07 17:34 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":149856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:49+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Aqueous Networks LLC (ARIN) to WhiteHat Security, Inc. (ARIN) on 2017-07-07 17:34 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 2017-07-07)"}}