{"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":"172.240.0.0/15","resource_type":"ipv4","page":"https://rirtracker.com/ip/172.240.0.0-172.241.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-04-08), allocated (dated 2017-05-24), allocated (dated 2019-12-23)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":24221,"date":"2021-03-31T13:49:56Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Instance Cloud, Inc.","recipient_org":"Servers.com, Inc.","range":"172.240.0.0/16","log":"ARIN"},{"id":23775,"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":"172.241.8.0/21","log":"ARIN"},{"id":23776,"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":"172.241.16.0/20","log":"ARIN"},{"id":23777,"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":"172.241.32.0/21","log":"ARIN"},{"id":23778,"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":"172.241.56.0/21","log":"ARIN"},{"id":23779,"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":"172.241.72.0/21","log":"ARIN"},{"id":23780,"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":"172.241.80.0/22","log":"ARIN"},{"id":23781,"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":"172.241.88.0/21","log":"ARIN"},{"id":23782,"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":"172.241.96.0/19","log":"ARIN"},{"id":23783,"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":"172.241.128.0/18","log":"ARIN"},{"id":23784,"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":"172.241.192.0/20","log":"ARIN"},{"id":23785,"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":"172.241.208.0/21","log":"ARIN"},{"id":23786,"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":"172.241.224.0/20","log":"ARIN"},{"id":23787,"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":"172.241.240.0/21","log":"ARIN"},{"id":126390,"date":"2019-12-24T02:35:42Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"LEASEWEB SINGAPORE PTE. LTD.","recipient_org":"LU","range":"172.241.248.0/21","log":"APNIC"},{"id":19607,"date":"2019-12-23T16:01:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Leaseweb Asia Pacific pte. ltd","recipient_org":"Leaseweb USA, Inc.","range":"172.241.248.0/21","log":"ARIN"},{"id":18665,"date":"2019-08-20T11:23:29Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb Asia Pacific pte. ltd.","range":"172.241.216.0/21","log":"ARIN"},{"id":126234,"date":"2019-08-20T06:38:14Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NTGL","recipient_org":"LEASEWEB SINGAPORE PTE. LTD.","range":"172.241.216.0/21","log":"APNIC"},{"id":125410,"date":"2017-07-20T16:03:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NTGL","recipient_org":"LEASEWEB SINGAPORE PTE. LTD.","range":"172.241.248.0/21","log":"APNIC"},{"id":10502,"date":"2017-07-20T14:26:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb Asia Pacific pte ltd","range":"172.241.248.0/21","log":"ARIN"},{"id":9565,"date":"2017-05-24T20:00:32Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Instance Cloud, Inc.","range":"172.240.0.0/16","log":"ARIN"},{"id":53510,"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":"172.241.0.0/21","log":"RIPE NCC"},{"id":53511,"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":"172.241.40.0/21","log":"RIPE NCC"},{"id":53512,"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":"172.241.48.0/21","log":"RIPE NCC"},{"id":53513,"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":"172.241.64.0/21","log":"RIPE NCC"},{"id":53514,"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":"172.241.84.0/22","log":"RIPE NCC"},{"id":9365,"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":"172.241.0.0/21","log":"ARIN"},{"id":9366,"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":"172.241.40.0/21","log":"ARIN"},{"id":9367,"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":"172.241.48.0/21","log":"ARIN"},{"id":9368,"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":"172.241.64.0/21","log":"ARIN"},{"id":9369,"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":"172.241.84.0/22","log":"ARIN"}],"events":[{"event_id":"1cf3715f2acbb870","registry":"ARIN","report_date":"2013-04-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 172.240.0.0-172.241.255.255","resource_type":"ipv4","resource":"172.240.0.0/15","start":"172.240.0.0","end":"172.241.255.255","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":"2026-10-13T23:51:05+00:00","page":"https://rirtracker.com/ip/172.240.0.0-172.241.255.255/#e-1cf3715f2acbb870","report_page":"https://rirtracker.com/arin/reports/2013-04-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.240.0.0-172.241.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2013-04-07 and allocated (dated 2013-04-08) on 2013-04-09. 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/2013-April/001579.html","retrieved_at":"2026-10-12T18:37:54+00:00","summary":"ARIN-Issued report for 2013-04-08: \"Add 172.240.0.0-172.241.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130407.gz","retrieved_at":"2026-10-12T19:57:04+00:00","summary":"ARIN delegated statistics 2013-04-07 (produced 2013-04-07T05:06:15+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130409.gz","retrieved_at":"2026-10-12T19:57:09+00:00","summary":"ARIN delegated statistics 2013-04-09 (produced 2013-04-09T05:06:09+00:00), after the report: allocated (dated 2013-04-08)"}]}],"classification_history":{"1cf3715f2acbb870":[{"raw_change_id":128803,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:20:29+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-04-07 and allocated (dated 2013-04-08) on 2013-04-09. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":128803,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:28+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-04-07 and allocated (dated 2013-04-08) on 2013-04-09. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":128803,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:04+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-04-07 and allocated (dated 2013-04-08) on 2013-04-09. 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":128803,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:05+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2013-04-07 and allocated (dated 2013-04-08) on 2013-04-09. 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 2013-04-08), allocated (dated 2017-05-24), allocated (dated 2019-12-23)"}}