{"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":"173.234.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/173.234.0.0-173.234.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2010-02-12), allocated (dated 2016-02-01)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":134381,"date":"2026-10-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Leaseweb Deutschland GmbH","range":"173.234.200.0/21","log":"RIPE NCC"},{"id":134404,"date":"2026-10-29T14:13:19Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb Deutschland GmbH","range":"173.234.200.0/21","log":"ARIN"},{"id":102254,"date":"2024-02-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Leaseweb UK Limited","range":"173.234.72.0/21","log":"RIPE NCC"},{"id":34410,"date":"2024-02-08T15:05:10Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb UK Limited","range":"173.234.72.0/21","log":"ARIN"},{"id":33178,"date":"2023-10-04T12:53:58Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb Japan K.K","range":"173.234.64.0/22","log":"ARIN"},{"id":128884,"date":"2023-10-04T05:06:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"LU","recipient_org":"Leaseweb Japan K.K.","range":"173.234.64.0/22","log":"APNIC"},{"id":98138,"date":"2023-09-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"LeaseWeb Netherlands B.V.","range":"173.234.68.0/22","log":"RIPE NCC"},{"id":33061,"date":"2023-09-20T13:43:09Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb Netherlands B.V.","range":"173.234.68.0/22","log":"ARIN"},{"id":29341,"date":"2022-10-04T17:30:01Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb Asia Pacific pte. ltd.","range":"173.234.0.0/20","log":"ARIN"},{"id":128190,"date":"2022-10-04T06:36:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"LU","recipient_org":"LEASEWEB SINGAPORE PTE. 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Inc.","range":"173.234.136.0/21","log":"ARIN"},{"id":23761,"date":"2021-02-15T14:32:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb USA, Inc.","range":"173.234.144.0/20","log":"ARIN"},{"id":23762,"date":"2021-02-15T14:32:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb USA, Inc.","range":"173.234.160.0/19","log":"ARIN"},{"id":23763,"date":"2021-02-15T14:32:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb USA, Inc.","range":"173.234.192.0/18","log":"ARIN"},{"id":18826,"date":"2019-09-18T11:27:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Nobis Technology Group, LLC","recipient_org":"LEASEWEB AUSTRALIA PTY LIMITED","range":"173.234.104.0/21","log":"ARIN"},{"id":126269,"date":"2019-09-18T05:29:38Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NTGL","recipient_org":"LEASEWEB AUSTRALIA PTY LIMITED","range":"173.234.104.0/21","log":"APNIC"},{"id":65561,"date":"2019-08-26T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"LEASEWEB UK LIMITED","range":"173.234.16.0/21","log":"RIPE NCC"},{"id":18711,"date":"2019-08-26T15:14:23Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb UK Limited","range":"173.234.16.0/21","log":"ARIN"},{"id":53521,"date":"2017-04-25T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Servers.com B.V.","range":"173.234.128.0/21","log":"RIPE NCC"},{"id":9376,"date":"2017-04-25T16:32:08Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Nobis Technology Group, LLC","recipient_org":"Servers.com B.V.","range":"173.234.128.0/21","log":"ARIN"},{"id":8118,"date":"2016-10-28T20:32:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Los Angeles Dedicated LLC","recipient_org":"US Dedicated","range":"173.234.24.0/21","log":"ARIN"},{"id":6412,"date":"2016-02-01T20:27:05Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Los Angeles Dedicated LLC","range":"173.234.24.0/21","log":"ARIN"}],"events":[{"event_id":"ccccf32c4c3527dc","registry":"ARIN","report_date":"2010-02-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 173.234.0.0-173.234.255.255","resource_type":"ipv4","resource":"173.234.0.0/16","start":"173.234.0.0","end":"173.234.255.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:48+00:00","page":"https://rirtracker.com/ip/173.234.0.0-173.234.255.255/#e-ccccf32c4c3527dc","report_page":"https://rirtracker.com/arin/reports/2010-02-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.234.0.0-173.234.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-02-11 and allocated (dated 2010-02-12) on 2010-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-February/000423.html","retrieved_at":"2026-10-12T18:36:34+00:00","summary":"ARIN-Issued report for 2010-02-12: \"Add 173.234.0.0-173.234.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100211.gz","retrieved_at":"2026-10-12T19:01:16+00:00","summary":"ARIN delegated statistics 2010-02-11, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100213.gz","retrieved_at":"2026-10-12T19:01:23+00:00","summary":"ARIN delegated statistics 2010-02-13, after the report: allocated (dated 2010-02-12)"}]}],"classification_history":{"ccccf32c4c3527dc":[{"raw_change_id":120872,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:51+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-02-11 and allocated (dated 2010-02-12) on 2010-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":120872,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-02-11 and allocated (dated 2010-02-12) on 2010-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":120872,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:49+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-02-11 and allocated (dated 2010-02-12) on 2010-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":120872,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:48+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-02-11 and allocated (dated 2010-02-12) on 2010-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2010-02-12), allocated (dated 2016-02-01)"}}