{"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":"173.0.64.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/173.0.64.0-173.0.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2010-06-22)"},"current_holder":{"rir":"ARIN","org":"Total Server Solutions L.L.C.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":17491,"date":"2019-04-22T20:03:31Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NationalNet, Inc.","recipient_org":"Total Server Solutions L.L.C.","range":"173.0.64.0/20","log":"ARIN"}],"events":[{"event_id":"41f719a896c6c402","registry":"ARIN","report_date":"2019-04-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"173.0.64.0/20","start":"173.0.64.0","end":"173.0.79.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"NationalNet, Inc.","recipient_organization":"Total Server Solutions L.L.C.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","page":"https://rirtracker.com/ip/173.0.64.0-173.0.79.255/#e-41f719a896c6c402","report_page":"https://rirtracker.com/arin/reports/2019-04-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.64.0-173.0.79.255.json","observed":"Merger/acquisition: NationalNet, Inc. (ARIN) to Total Server Solutions L.L.C. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NationalNet, Inc. (ARIN) to Total Server Solutions L.L.C. (ARIN) on 2019-04-22 20:03 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 2019-04-22 20:03 UTC, NationalNet, Inc. (ARIN) to Total Server Solutions L.L.C. (ARIN); resources moved: 173.0.64.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190421.gz","retrieved_at":"2026-10-12T22:03:46+00:00","summary":"ARIN delegated statistics 2019-04-21 (produced 2019-04-21T05:00:11+00:00), before the report: allocated (dated 2010-06-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190423.gz","retrieved_at":"2026-10-12T22:03:51+00:00","summary":"ARIN delegated statistics 2019-04-23 (produced 2019-04-23T05:00:11+00:00), after the report: allocated (dated 2010-06-22)"}]},{"event_id":"ceced523ed781c24","registry":"ARIN","report_date":"2010-06-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 173.0.64.0-173.0.79.255","resource_type":"ipv4","resource":"173.0.64.0/20","start":"173.0.64.0","end":"173.0.79.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-13T23:50:49+00:00","page":"https://rirtracker.com/ip/173.0.64.0-173.0.79.255/#e-ceced523ed781c24","report_page":"https://rirtracker.com/arin/reports/2010-06-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.0.64.0-173.0.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-21 and allocated (dated 2010-06-22) on 2010-06-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-12 (173.0.0.0-173.0.255.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-June/000553.html","retrieved_at":"2026-10-12T18:36:43+00:00","summary":"ARIN-Issued report for 2010-06-22: \"Add 173.0.64.0-173.0.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100621.gz","retrieved_at":"2026-10-12T19:06:46+00:00","summary":"ARIN delegated statistics 2010-06-21, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100623.gz","retrieved_at":"2026-10-12T19:06:50+00:00","summary":"ARIN delegated statistics 2010-06-23, after the report: allocated (dated 2010-06-22)"}]}],"classification_history":{"41f719a896c6c402":[{"raw_change_id":558303,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NationalNet, Inc. (ARIN) to Total Server Solutions L.L.C. (ARIN) on 2019-04-22 20:03 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."}],"ceced523ed781c24":[{"raw_change_id":121471,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:18+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-21 and allocated (dated 2010-06-22) on 2010-06-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-12 (173.0.0.0-173.0.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121471,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-21 and allocated (dated 2010-06-22) on 2010-06-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-12 (173.0.0.0-173.0.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121471,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-21 and allocated (dated 2010-06-22) on 2010-06-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-12 (173.0.0.0-173.0.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121471,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-21 and allocated (dated 2010-06-22) on 2010-06-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-12 (173.0.0.0-173.0.255.255), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2010-06-22)"}}