{"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":"216.211.144.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.211.144.0-216.211.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-06-05)"},"current_holder":{"rir":"ARIN","org":"Mountain Telephone","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":13327,"date":"2018-06-05T18:57:18Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Charlotte Colocation Center, LLc","recipient_org":"Mountain Telephone","range":"216.211.144.0/20","log":"ARIN"}],"events":[{"event_id":"088f785340c9afa7","registry":"ARIN","report_date":"2018-06-05","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.211.144.0-216.211.159.255","resource_type":"ipv4","resource":"216.211.144.0/20","start":"216.211.144.0","end":"216.211.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Charlotte Colocation Center, LLc","recipient_organization":"Mountain Telephone","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:11+00:00","page":"https://rirtracker.com/ip/216.211.144.0-216.211.159.255/#e-088f785340c9afa7","report_page":"https://rirtracker.com/arin/reports/2018-06-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.211.144.0-216.211.159.255.json","explanation":"ARIN's transfer log records a transfer from Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN) on 2018-06-05 18:57 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/2018-June/003464.html","retrieved_at":"2026-10-12T18:40:05+00:00","summary":"ARIN-Issued report for 2018-06-05: \"Add 216.211.144.0-216.211.159.255\""},{"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 2018-06-05 18:57 UTC, Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN); resources moved: 216.211.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180604.gz","retrieved_at":"2026-10-12T21:47:15+00:00","summary":"ARIN delegated statistics 2018-06-04 (produced 2018-06-04T05:00:23+00:00), before the report: allocated (dated 2009-02-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180606.gz","retrieved_at":"2026-10-12T21:47:20+00:00","summary":"ARIN delegated statistics 2018-06-06 (produced 2018-06-06T05:00:21+00:00), after the report: allocated (dated 2018-06-05)"}]},{"event_id":"1ff085c37ae3fc18","registry":"ARIN","report_date":"2009-02-13","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.211.144.0-216.211.159.255","resource_type":"ipv4","resource":"216.211.144.0/20","start":"216.211.144.0","end":"216.211.159.255","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":"2026-10-13T23:50:44+00:00","page":"https://rirtracker.com/ip/216.211.144.0-216.211.159.255/#e-1ff085c37ae3fc18","report_page":"https://rirtracker.com/arin/reports/2009-02-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.211.144.0-216.211.159.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-12 and allocated (dated 2009-02-13) on 2009-02-14. (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/2009-February/000056.html","retrieved_at":"2026-10-12T18:36:09+00:00","summary":"ARIN-Issued report for 2009-02-13: \"Add 216.211.144.0-216.211.159.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090212.gz","retrieved_at":"2026-10-12T18:46:25+00:00","summary":"ARIN delegated statistics 2009-02-12, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090214.gz","retrieved_at":"2026-10-12T18:46:32+00:00","summary":"ARIN delegated statistics 2009-02-14, after the report: allocated (dated 2009-02-13)"}]}],"classification_history":{"088f785340c9afa7":[{"raw_change_id":154968,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN) on 2018-06-05 18:57 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154968,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:18+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN) on 2018-06-05 18:57 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154968,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN) on 2018-06-05 18:57 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":154968,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:11+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Charlotte Colocation Center, LLc (ARIN) to Mountain Telephone (ARIN) on 2018-06-05 18:57 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"1ff085c37ae3fc18":[{"raw_change_id":118968,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:02+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-12 and allocated (dated 2009-02-13) on 2009-02-14. (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":118968,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:13+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-12 and allocated (dated 2009-02-13) on 2009-02-14. (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":118968,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:46+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-12 and allocated (dated 2009-02-13) on 2009-02-14. (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":118968,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:44+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-12 and allocated (dated 2009-02-13) on 2009-02-14. (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 2018-06-05)"}}