{"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":"209.51.32.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/209.51.32.0-209.51.39.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-12-04)"},"current_holder":{"rir":"ARIN","org":"Black Duck Software, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":37413,"date":"2024-12-04T12:44:28Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Intis Telecom Inc.","recipient_org":"Black Duck Software, Inc.","range":"209.51.32.0/21","log":"ARIN"},{"id":31030,"date":"2023-03-22T15:17:56Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Helm","recipient_org":"Intis Telecom Inc.","range":"209.51.32.0/21","log":"ARIN"},{"id":20360,"date":"2020-03-31T21:06:39Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Riverside Amber Crest, LLC","recipient_org":"Helm","range":"209.51.32.0/21","log":"ARIN"},{"id":18529,"date":"2019-07-30T10:09:59Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SURENET INC.","recipient_org":"Riverside Amber Crest LLC","range":"209.51.32.0/20","log":"ARIN"}],"events":[{"event_id":"3467c590bfabf8c8","registry":"ARIN","report_date":"2024-12-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 209.51.32.0-209.51.39.255","resource_type":"ipv4","resource":"209.51.32.0/21","start":"209.51.32.0","end":"209.51.39.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Intis Telecom 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":"2026-10-13T23:54:16+00:00","page":"https://rirtracker.com/ip/209.51.32.0-209.51.39.255/#e-3467c590bfabf8c8","report_page":"https://rirtracker.com/arin/reports/2024-12-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/209.51.32.0-209.51.39.255.json","explanation":"ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 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/2024-December/005835.html","retrieved_at":"2026-10-12T18:42:50+00:00","summary":"ARIN-Issued report for 2024-12-04: \"Add 209.51.32.0-209.51.39.255\""},{"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 2024-12-04 12:44 UTC, Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN); resources moved: 209.51.32.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241203.gz","retrieved_at":"2026-10-12T23:51:00+00:00","summary":"ARIN delegated statistics 2024-12-03 (produced 2024-12-03T14:01:06+00:00), before the report: allocated (dated 2023-03-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241205.gz","retrieved_at":"2026-10-12T23:51:05+00:00","summary":"ARIN delegated statistics 2024-12-05 (produced 2024-12-05T14:01:05+00:00), after the report: allocated (dated 2024-12-04)"}]},{"event_id":"9c63488fac1a861d","registry":"ARIN","report_date":"2023-03-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 209.51.32.0-209.51.39.255","resource_type":"ipv4","resource":"209.51.32.0/21","start":"209.51.32.0","end":"209.51.39.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Helm","recipient_organization":"Intis Telecom Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:39+00:00","page":"https://rirtracker.com/ip/209.51.32.0-209.51.39.255/#e-9c63488fac1a861d","report_page":"https://rirtracker.com/arin/reports/2023-03-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/209.51.32.0-209.51.39.255.json","explanation":"ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 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/2023-March/005213.html","retrieved_at":"2026-10-12T18:42:06+00:00","summary":"ARIN-Issued report for 2023-03-22: \"Add 209.51.32.0-209.51.39.255\""},{"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 2023-03-22 15:17 UTC, Helm (ARIN) to Intis Telecom Inc. (ARIN); resources moved: 209.51.32.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230321.gz","retrieved_at":"2026-10-12T23:17:40+00:00","summary":"ARIN delegated statistics 2023-03-21 (produced 2023-03-21T13:00:11+00:00), before the report: allocated (dated 2020-03-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230323.gz","retrieved_at":"2026-10-12T23:17:45+00:00","summary":"ARIN delegated statistics 2023-03-23 (produced 2023-03-23T13:00:11+00:00), after the report: allocated (dated 2023-03-22)"}]},{"event_id":"f3bb1c7fbdce8b07","registry":"ARIN","report_date":"2020-03-31","source":"arin_issued","raw_action":"ADD","raw_line":"Add 209.51.32.0-209.51.39.255","resource_type":"ipv4","resource":"209.51.32.0/21","start":"209.51.32.0","end":"209.51.39.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Riverside Amber Crest, LLC","recipient_organization":"Helm","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:48+00:00","page":"https://rirtracker.com/ip/209.51.32.0-209.51.39.255/#e-f3bb1c7fbdce8b07","report_page":"https://rirtracker.com/arin/reports/2020-03-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/209.51.32.0-209.51.39.255.json","piece_of":{"resource":"209.51.32.0/20","page":"https://rirtracker.com/ip/209.51.32.0-209.51.47.255/"},"explanation":"ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 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/2020-March/004127.html","retrieved_at":"2026-10-12T18:40:50+00:00","summary":"ARIN-Issued report for 2020-03-31: \"Add 209.51.32.0-209.51.39.255\""},{"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 2020-03-31 21:06 UTC, Riverside Amber Crest, LLC (ARIN) to Helm (ARIN); resources moved: 209.51.32.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200330.gz","retrieved_at":"2026-10-12T22:21:39+00:00","summary":"ARIN delegated statistics 2020-03-30 (produced 2020-03-30T14:00:14+00:00), before the report: allocated (dated 1997-04-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200401.gz","retrieved_at":"2026-10-12T22:21:44+00:00","summary":"ARIN delegated statistics 2020-04-01 (produced 2020-04-01T14:00:13+00:00), after the report: allocated (dated 2020-03-31)"}]}],"classification_history":{"3467c590bfabf8c8":[{"raw_change_id":190774,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190774,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:52+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190774,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:45+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190774,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"9c63488fac1a861d":[{"raw_change_id":180646,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:58:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":180646,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":180646,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:14+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":180646,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:39+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"f3bb1c7fbdce8b07":[{"raw_change_id":164856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:47:45+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164856,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:48+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 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 2024-12-04)"}}