{"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":"172.83.80.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/172.83.80.0-172.83.83.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-05-11), allocated (dated 2024-02-12)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":85607,"date":"2022-02-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"INCUBATEC GmbH - Srl","range":"172.83.81.0/24","log":"RIPE NCC"},{"id":26939,"date":"2022-02-15T15:39:36Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"HostCram LLC","recipient_org":"incubatec GmbH - Srl","range":"172.83.81.0/24","log":"ARIN"}],"events":[{"event_id":"31e46a0172a95af5","registry":"ARIN","report_date":"2018-05-10","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 172.83.80.0-172.83.83.255","resource_type":"ipv4","resource":"172.83.80.0/22","start":"172.83.80.0","end":"172.83.83.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:09+00:00","page":"https://rirtracker.com/ip/172.83.80.0-172.83.83.255/#e-31e46a0172a95af5","report_page":"https://rirtracker.com/arin/reports/2018-05-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.83.80.0-172.83.83.255.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2018-05-11: Remove 172.83.80.0-172.83.80.255; 2018-05-11: Remove 172.83.82.0-172.83.82.255; 2018-05-11: Add 172.83.80.0-172.83.80.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-May/003438.html","retrieved_at":"2026-10-12T18:40:03+00:00","summary":"ARIN-Issued report for 2018-05-10: \"Remove 172.83.80.0-172.83.83.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180509.gz","retrieved_at":"2026-10-12T21:45:55+00:00","summary":"ARIN delegated statistics 2018-05-09 (produced 2018-05-09T05:11:17+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180511.gz","retrieved_at":"2026-10-12T21:46:07+00:00","summary":"ARIN delegated statistics 2018-05-11 (produced 2018-05-11T05:10:30+00:00), after the report: reserved"}]},{"event_id":"1533a5653dbb80d3","registry":"ARIN","report_date":"2018-01-14","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 172.83.80.0-172.83.83.255","resource_type":"ipv4","resource":"172.83.80.0/22","start":"172.83.80.0","end":"172.83.83.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:03+00:00","page":"https://rirtracker.com/ip/172.83.80.0-172.83.83.255/#e-1533a5653dbb80d3","report_page":"https://rirtracker.com/arin/reports/2018-01-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.83.80.0-172.83.83.255.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-January/003322.html","retrieved_at":"2026-10-12T18:39:55+00:00","summary":"ARIN-Issued report for 2018-01-14: \"Remove 172.83.80.0-172.83.83.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180113.gz","retrieved_at":"2026-10-12T21:40:14+00:00","summary":"ARIN delegated statistics 2018-01-13 (produced 2018-01-13T06:09:44+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180115.gz","retrieved_at":"2026-10-12T21:40:19+00:00","summary":"ARIN delegated statistics 2018-01-15 (produced 2018-01-15T06:09:30+00:00), after the report: reserved"}]}],"classification_history":{"31e46a0172a95af5":[{"raw_change_id":154485,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:12+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2018-05-11: Remove 172.83.80.0-172.83.80.255; 2018-05-11: Add 172.83.80.0-172.83.80.255; 2018-05-11: Remove 172.83.82.0-172.83.82.255), so the before-and-after statistics may include it."},{"raw_change_id":154485,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:17+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2018-05-11: Remove 172.83.80.0-172.83.80.255; 2018-05-11: Remove 172.83.82.0-172.83.82.255; 2018-05-11: Add 172.83.80.0-172.83.80.255), so the before-and-after statistics may include it."},{"raw_change_id":154485,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:58+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2018-05-11: Remove 172.83.80.0-172.83.80.255; 2018-05-11: Remove 172.83.82.0-172.83.82.255; 2018-05-11: Add 172.83.80.0-172.83.80.255), so the before-and-after statistics may include it."},{"raw_change_id":154485,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:09+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2018-05-11: Remove 172.83.80.0-172.83.80.255; 2018-05-11: Remove 172.83.82.0-172.83.82.255; 2018-05-11: Add 172.83.80.0-172.83.80.255), so the before-and-after statistics may include it."}],"1533a5653dbb80d3":[{"raw_change_id":152850,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:40:11+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":152850,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:12+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":152850,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:53+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":152850,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:03+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}]},"arin_statistics_now":{"status":"allocated (dated 2018-05-11), allocated (dated 2024-02-12)"}}