{"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":"45.228.140.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/45.228.140.0-45.228.143.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2017-12-22)"},"current_holder":{"rir":"rdap.registro.br","org":"Vellon Servicos de Comunicacao Mult e Digitais","handle":"46870574000111","how":"RDAP, looked up 2026-11-04 18:19 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-11-04T18:19:02+00:00","reason":"7d","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"},{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-11-03T18:20:33+00:00","reason":"7d","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"},{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-10-29T18:24:10+00:00","reason":"24h","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"},{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-10-29T18:21:57+00:00","reason":"24h","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"},{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-10-28T18:19:02+00:00","reason":"first","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"},{"resource_type":"ipv4","start_key":"0000000000000000000000002de48c00","end_key":"0000000000000000000000002de48fff","captured_at":"2026-10-27T18:23:40+00:00","reason":"first","authoritative_rir":"rdap.registro.br","handle":"45.228.140.0/22","name":"563762","status":"active","org_handle":"46870574000111","org_name":"Vellon Servicos de Comunicacao Mult e Digitais","country_code":"BR","registration_date":"2017-12-22T08:43:31Z","last_changed_date":"2026-10-27T09:47:46Z","rdap_url":"https://rdap.arin.net/registry/ip/45.228.140.0"}],"transfers":[],"events":[{"event_id":"0d0aa7a3bb0d9118","registry":"LACNIC","report_date":"2026-10-27","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"45.228.140.0/22","start":"45.228.140.0","end":"45.228.143.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-28T18:22:23+00:00","page":"https://rirtracker.com/ip/45.228.140.0-45.228.143.255/#e-0d0aa7a3bb0d9118","report_page":"https://rirtracker.com/lacnic/reports/2026-10-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.228.140.0-45.228.143.255.json","observed":"45.228.140.0/22 available on 2026-10-26, allocated on 2026-10-27","explanation":"No transfer record matches. LACNIC's statistics show it available on 2026-10-26 and allocated (dated 2017-12-22) on 2026-10-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance. Another change to this range was reported the day before or after (2026-10-26: Removed 45.228.140.0/22), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261027","retrieved_at":"2026-10-28T18:17:38+00:00","summary":"Found by comparing LACNIC's daily statistics: 45.228.140.0/22 available on 2026-10-26, allocated on 2026-10-27"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261026","retrieved_at":"2026-10-27T18:17:39+00:00","summary":"LACNIC delegated statistics 2026-10-26, before the change: available"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261027","retrieved_at":"2026-10-28T18:17:38+00:00","summary":"LACNIC delegated statistics 2026-10-27, after the change: allocated (dated 2017-12-22)"}]},{"event_id":"ee07e691b6e763a5","registry":"LACNIC","report_date":"2026-10-26","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"45.228.140.0/22","start":"45.228.140.0","end":"45.228.143.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-28T18:22:22+00:00","page":"https://rirtracker.com/ip/45.228.140.0-45.228.143.255/#e-ee07e691b6e763a5","report_page":"https://rirtracker.com/lacnic/reports/2026-10-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.228.140.0-45.228.143.255.json","observed":"45.228.140.0/22 allocated on 2026-10-25, available on 2026-10-26","hold":{"hold_rule_source_url":"https://www.lacnic.net/1077/1/lacnic","hold_rule_months":6,"estimated_hold_end":"2027-04-26","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2017-12-22) on 2026-10-25 and available on 2026-10-26. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2027-04-26. This does not confirm availability. Another change to this range was reported the day before or after (2026-10-27: Added 45.228.140.0/22), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261026","retrieved_at":"2026-10-27T18:17:39+00:00","summary":"Found by comparing LACNIC's daily statistics: 45.228.140.0/22 allocated on 2026-10-25, available on 2026-10-26"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261025","retrieved_at":"2026-10-26T18:17:36+00:00","summary":"LACNIC delegated statistics 2026-10-25, before the change: allocated (dated 2017-12-22)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-20261026","retrieved_at":"2026-10-27T18:17:39+00:00","summary":"LACNIC delegated statistics 2026-10-26, after the change: available"}]},{"event_id":"dfcc1eae7516f0a6","registry":"LACNIC","report_date":"2017-12-22","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"45.228.140.0/22","start":"45.228.140.0","end":"45.228.143.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from LACNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:47+00:00","page":"https://rirtracker.com/ip/45.228.140.0-45.228.143.255/#e-dfcc1eae7516f0a6","report_page":"https://rirtracker.com/lacnic/reports/2017-12-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.228.140.0-45.228.143.255.json","observed":"45.228.140.0/22 available on 2017-12-21, allocated on 2017-12-22","explanation":"No transfer record matches. LACNIC's statistics show it available on 2017-12-21 and allocated (dated 2017-12-22) on 2017-12-22. The tracker saw this range released from hold on 2017-12-21 (45.228.140.0/22), so it appears to have been issued again from LACNIC's pool. Another change to this range was reported the day before or after (2017-12-21: Released 45.228.140.0/22), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171222","retrieved_at":"2026-10-12T22:08:56+00:00","summary":"Found by comparing LACNIC's daily statistics: 45.228.140.0/22 available on 2017-12-21, allocated on 2017-12-22"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171221","retrieved_at":"2026-10-12T22:08:48+00:00","summary":"LACNIC delegated statistics 2017-12-21, before the change: available"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171222","retrieved_at":"2026-10-12T22:08:56+00:00","summary":"LACNIC delegated statistics 2017-12-22, after the change: allocated (dated 2017-12-22)"}]},{"event_id":"d1de1a6d2255ade4","registry":"LACNIC","report_date":"2017-12-21","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"45.228.140.0/22","start":"45.228.140.0","end":"45.228.143.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (LACNIC lists it as 'available')","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"LACNIC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:47+00:00","page":"https://rirtracker.com/ip/45.228.140.0-45.228.143.255/#e-d1de1a6d2255ade4","report_page":"https://rirtracker.com/lacnic/reports/2017-12-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.228.140.0-45.228.143.255.json","observed":"45.228.140.0/22 reserved on 2017-12-20, available on 2017-12-21","explanation":"LACNIC's statistics show it reserved on 2017-12-20 and available on 2017-12-21. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2017-12-22: Added 45.228.140.0/22), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171221","retrieved_at":"2026-10-12T22:08:48+00:00","summary":"Found by comparing LACNIC's daily statistics: 45.228.140.0/22 reserved on 2017-12-20, available on 2017-12-21"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171220","retrieved_at":"2026-10-12T22:08:43+00:00","summary":"LACNIC delegated statistics 2017-12-20, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20171221","retrieved_at":"2026-10-12T22:08:48+00:00","summary":"LACNIC delegated statistics 2017-12-21, after the change: available"}]}],"classification_history":{"0d0aa7a3bb0d9118":[{"raw_change_id":579034,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-28T18:22:23+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2026-10-26 and allocated (dated 2017-12-22) on 2026-10-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance. Another change to this range was reported the day before or after (2026-10-26: Removed 45.228.140.0/22), so the before-and-after statistics may include it."}],"ee07e691b6e763a5":[{"raw_change_id":578904,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-27T18:27:09+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2017-12-22) on 2026-10-25 and available on 2026-10-26. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2027-04-26. This does not confirm availability."},{"raw_change_id":578904,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-28T18:22:22+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2017-12-22) on 2026-10-25 and available on 2026-10-26. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2027-04-26. This does not confirm availability. Another change to this range was reported the day before or after (2026-10-27: Added 45.228.140.0/22), so the before-and-after statistics may include it."}],"dfcc1eae7516f0a6":[{"raw_change_id":377503,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:31:02+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2017-12-21 and allocated (dated 2017-12-22) on 2017-12-22. The tracker saw this range released from hold on 2017-12-21 (45.228.140.0/22), so it appears to have been issued again from LACNIC's pool. Another change to this range was reported the day before or after (2017-12-21: Released 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377503,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:40+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2017-12-21 and allocated (dated 2017-12-22) on 2017-12-22. The tracker saw this range released from hold on 2017-12-21 (45.228.140.0/22), so it appears to have been issued again from LACNIC's pool. Another change to this range was reported the day before or after (2017-12-21: Released 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377503,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:22+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2017-12-21 and allocated (dated 2017-12-22) on 2017-12-22. The tracker saw this range released from hold on 2017-12-21 (45.228.140.0/22), so it appears to have been issued again from LACNIC's pool. Another change to this range was reported the day before or after (2017-12-21: Released 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377503,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:47+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2017-12-21 and allocated (dated 2017-12-22) on 2017-12-22. The tracker saw this range released from hold on 2017-12-21 (45.228.140.0/22), so it appears to have been issued again from LACNIC's pool. Another change to this range was reported the day before or after (2017-12-21: Released 45.228.140.0/22), so the before-and-after statistics may include it."}],"d1de1a6d2255ade4":[{"raw_change_id":377486,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:31:02+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2017-12-20 and available on 2017-12-21. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2017-12-22: Added 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377486,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:40+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2017-12-20 and available on 2017-12-21. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2017-12-22: Added 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377486,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:22+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2017-12-20 and available on 2017-12-21. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2017-12-22: Added 45.228.140.0/22), so the before-and-after statistics may include it."},{"raw_change_id":377486,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:47+00:00","current":1,"public_explanation":"LACNIC's statistics show it reserved on 2017-12-20 and available on 2017-12-21. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2017-12-22: Added 45.228.140.0/22), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"not listed"}}