{"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":"192.172.221.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.172.221.0-192.172.221.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2023-06-12)"},"current_holder":{"rir":"ARIN","org":"CROSSWIRE HUB","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":32144,"date":"2023-06-12T14:29:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MIZAR, LLC","recipient_org":"CROSSWIRE HUB","range":"192.172.221.0/24","log":"ARIN"},{"id":31022,"date":"2023-03-20T11:34:25Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Mizar Graphics, Inc.","recipient_org":"MIZAR, LLC","range":"192.172.221.0/24","log":"ARIN"}],"events":[{"event_id":"6386f6047f5fa865","registry":"ARIN","report_date":"2023-06-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.172.221.0-192.172.221.255","resource_type":"ipv4","resource":"192.172.221.0/24","start":"192.172.221.0","end":"192.172.221.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"MIZAR, LLC","recipient_organization":"CROSSWIRE HUB","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:44+00:00","page":"https://rirtracker.com/ip/192.172.221.0-192.172.221.255/#e-6386f6047f5fa865","report_page":"https://rirtracker.com/arin/reports/2023-06-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.172.221.0-192.172.221.255.json","explanation":"ARIN's transfer log records a transfer from MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN) on 2023-06-12 14:29 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-June/005295.html","retrieved_at":"2026-10-12T18:42:12+00:00","summary":"ARIN-Issued report for 2023-06-12: \"Add 192.172.221.0-192.172.221.255\""},{"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 2023-06-12 14:29 UTC, MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN); resources moved: 192.172.221.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230611.gz","retrieved_at":"2026-10-12T23:22:07+00:00","summary":"ARIN delegated statistics 2023-06-11 (produced 2023-06-11T13:00:10+00:00), before the report: allocated (dated 1992-06-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230613.gz","retrieved_at":"2026-10-12T23:22:12+00:00","summary":"ARIN delegated statistics 2023-06-13 (produced 2023-06-13T13:00:10+00:00), after the report: allocated (dated 2023-06-12)"}]},{"event_id":"7cdd40427f8f7fe5","registry":"ARIN","report_date":"2023-03-20","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.172.221.0/24","start":"192.172.221.0","end":"192.172.221.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Mizar Graphics, Inc.","recipient_organization":"MIZAR, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:07+00:00","page":"https://rirtracker.com/ip/192.172.221.0-192.172.221.255/#e-7cdd40427f8f7fe5","report_page":"https://rirtracker.com/arin/reports/2023-03-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.172.221.0-192.172.221.255.json","observed":"Merger/acquisition: Mizar Graphics, Inc. (ARIN) to MIZAR, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Mizar Graphics, Inc. (ARIN) to MIZAR, LLC (ARIN) on 2023-03-20 11:34 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 2023-03-20 11:34 UTC, Mizar Graphics, Inc. (ARIN) to MIZAR, LLC (ARIN); resources moved: 192.172.221.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230319.gz","retrieved_at":"2026-10-12T23:17:36+00:00","summary":"ARIN delegated statistics 2023-03-19 (produced 2023-03-19T13:00:11+00:00), before the report: allocated (dated 1992-06-10)"},{"type":"delegated_after","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), after the report: allocated (dated 1992-06-10)"}]}],"classification_history":{"6386f6047f5fa865":[{"raw_change_id":182009,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN) on 2023-06-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":182009,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN) on 2023-06-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":182009,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN) on 2023-06-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":182009,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from MIZAR, LLC (ARIN) to CROSSWIRE HUB (ARIN) on 2023-06-12 14:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"7cdd40427f8f7fe5":[{"raw_change_id":567857,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:07+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Mizar Graphics, Inc. (ARIN) to MIZAR, LLC (ARIN) on 2023-03-20 11:34 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."}]},"arin_statistics_now":{"status":"allocated (dated 2023-06-12)"}}