{"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":"177.125.136.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/177.125.136.0-177.125.139.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2020-08-26)"},"current_holder":{"rir":"LACNIC","org":"Sierra Madre Internet SA de CV","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":133506,"date":"2026-03-04T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"LACNIC","recipient_rir":"LACNIC","source_org":"Ma Anabela Garcia Hernandez","recipient_org":"Sierra Madre Internet SA de CV","range":"177.125.136.0/22","log":"LACNIC"}],"events":[{"event_id":"0ee6e3259eefa639","registry":"LACNIC","report_date":"2026-03-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"177.125.136.0/22","start":"177.125.136.0","end":"177.125.139.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-LACNIC transfer","confidence":"CONFIRMED","source_rir":"LACNIC","recipient_rir":"LACNIC","source_organization":"Ma Anabela Garcia Hernandez","recipient_organization":"Sierra Madre Internet SA de CV","inventory_effect":"No effect on LACNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:17+00:00","page":"https://rirtracker.com/ip/177.125.136.0-177.125.139.255/#e-0ee6e3259eefa639","report_page":"https://rirtracker.com/lacnic/reports/2026-03-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.125.136.0-177.125.139.255.json","observed":"Transfer: Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC)","explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC.","evidence":[{"type":"transfer","url":"https://ftp.lacnic.net/pub/stats/lacnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:38+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-03-04 13:00 UTC, Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC); resources moved: 177.125.136.0/22"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2026/delegated-lacnic-extended-20260303","retrieved_at":"2026-10-12T16:41:59+00:00","summary":"LACNIC delegated statistics 2026-03-03, before the change: allocated (dated 2020-08-26)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2026/delegated-lacnic-extended-20260304","retrieved_at":"2026-10-12T16:42:04+00:00","summary":"LACNIC delegated statistics 2026-03-04, after the change: allocated (dated 2020-08-26)"}]},{"event_id":"0147738a60cda042","registry":"LACNIC","report_date":"2020-08-26","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"177.125.136.0/22","start":"177.125.136.0","end":"177.125.139.255","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 LACNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:41+00:00","page":"https://rirtracker.com/ip/177.125.136.0-177.125.139.255/#e-0147738a60cda042","report_page":"https://rirtracker.com/lacnic/reports/2020-08-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.125.136.0-177.125.139.255.json","observed":"177.125.136.0/22 reserved on 2020-08-25, allocated on 2020-08-26","explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2020-08-25 and allocated (dated 2020-08-26) on 2020-08-26. The tracker saw this range released from hold on 2020-03-17 (177.125.136.0/22), so it appears to have been issued again from LACNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200826","retrieved_at":"2026-10-12T23:35:22+00:00","summary":"Found by comparing LACNIC's daily statistics: 177.125.136.0/22 reserved on 2020-08-25, allocated on 2020-08-26"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200825","retrieved_at":"2026-10-12T23:35:17+00:00","summary":"LACNIC delegated statistics 2020-08-25, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200826","retrieved_at":"2026-10-12T23:35:22+00:00","summary":"LACNIC delegated statistics 2020-08-26, after the change: allocated (dated 2020-08-26)"}]},{"event_id":"0a5efbeb94900435","registry":"LACNIC","report_date":"2020-03-17","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"177.125.136.0/22","start":"177.125.136.0","end":"177.125.139.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (LACNIC lists it as 'available')","confidence":"STRONG_INFERENCE","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":"2026-10-14T00:10:40+00:00","page":"https://rirtracker.com/ip/177.125.136.0-177.125.139.255/#e-0a5efbeb94900435","report_page":"https://rirtracker.com/lacnic/reports/2020-03-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.125.136.0-177.125.139.255.json","observed":"177.125.136.0/22 reserved on 2020-03-16, available on 2020-03-17","explanation":"LACNIC's statistics show it reserved on 2020-03-16 and available on 2020-03-17. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2019-10-14, 155 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200317","retrieved_at":"2026-10-12T23:20:23+00:00","summary":"Found by comparing LACNIC's daily statistics: 177.125.136.0/22 reserved on 2020-03-16, available on 2020-03-17"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200316","retrieved_at":"2026-10-12T23:20:12+00:00","summary":"LACNIC delegated statistics 2020-03-16, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2020/delegated-lacnic-extended-20200317","retrieved_at":"2026-10-12T23:20:23+00:00","summary":"LACNIC delegated statistics 2020-03-17, after the change: available"}]},{"event_id":"e36fc76260d6a496","registry":"LACNIC","report_date":"2019-10-14","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"177.125.136.0/22","start":"177.125.136.0","end":"177.125.139.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","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":"2026-10-14T00:09:36+00:00","page":"https://rirtracker.com/ip/177.125.136.0-177.125.139.255/#e-e36fc76260d6a496","report_page":"https://rirtracker.com/lacnic/reports/2019-10-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.125.136.0-177.125.139.255.json","observed":"177.125.136.0/22 allocated on 2019-10-13, reserved on 2019-10-14","explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-01-06) on 2019-10-13 and reserved on 2019-10-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC's current hold for IPv4 space applies to removals from 2020-03-01 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2019/delegated-lacnic-extended-20191014","retrieved_at":"2026-10-12T23:06:35+00:00","summary":"Found by comparing LACNIC's daily statistics: 177.125.136.0/22 allocated on 2019-10-13, reserved on 2019-10-14"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2019/delegated-lacnic-extended-20191013","retrieved_at":"2026-10-12T23:06:30+00:00","summary":"LACNIC delegated statistics 2019-10-13, before the change: allocated (dated 2012-01-06)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2019/delegated-lacnic-extended-20191014","retrieved_at":"2026-10-12T23:06:35+00:00","summary":"LACNIC delegated statistics 2019-10-14, after the change: reserved"}]}],"classification_history":{"0ee6e3259eefa639":[{"raw_change_id":26766,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.2.0","classified_at":"2026-10-12T17:43:29+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":26766,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-12T18:23:24+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":26766,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:36+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":26766,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:44+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."},{"raw_change_id":26766,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:17+00:00","current":1,"public_explanation":"LACNIC's transfer log records a transfer from Ma Anabela Garcia Hernandez (LACNIC) to Sierra Madre Internet SA de CV (LACNIC) on 2026-03-04 13:00 UTC. The registration changed hands; it is not a new allocation from LACNIC."}],"0147738a60cda042":[{"raw_change_id":461876,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:06:29+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2020-08-25 and allocated (dated 2020-08-26) on 2020-08-26. The tracker saw this range released from hold on 2020-03-17 (177.125.136.0/22), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":461876,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:31+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2020-08-25 and allocated (dated 2020-08-26) on 2020-08-26. The tracker saw this range released from hold on 2020-03-17 (177.125.136.0/22), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":461876,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:34+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2020-08-25 and allocated (dated 2020-08-26) on 2020-08-26. The tracker saw this range released from hold on 2020-03-17 (177.125.136.0/22), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":461876,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:41+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2020-08-25 and allocated (dated 2020-08-26) on 2020-08-26. The tracker saw this range released from hold on 2020-03-17 (177.125.136.0/22), so it appears to have been issued again from LACNIC's pool."}],"0a5efbeb94900435":[{"raw_change_id":447685,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:00:01+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2020-03-16 and available on 2020-03-17. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2019-10-14, 155 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":447685,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:42+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2020-03-16 and available on 2020-03-17. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2019-10-14, 155 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":447685,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:42+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2020-03-16 and available on 2020-03-17. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2019-10-14, 155 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":447685,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:40+00:00","current":1,"public_explanation":"LACNIC's statistics show it reserved on 2020-03-16 and available on 2020-03-17. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2019-10-14, 155 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed."}],"e36fc76260d6a496":[{"raw_change_id":432118,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:53:03+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 2012-01-06) on 2019-10-13 and reserved on 2019-10-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC's published hold for IPv4 space applies from 2020-03-01, after this removal, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":432118,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:50+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 2012-01-06) on 2019-10-13 and reserved on 2019-10-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC's current hold for IPv4 space applies to removals from 2020-03-01 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":432118,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:46+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 2012-01-06) on 2019-10-13 and reserved on 2019-10-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC's current hold for IPv4 space applies to removals from 2020-03-01 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":432118,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:36+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 2012-01-06) on 2019-10-13 and reserved on 2019-10-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC's current hold for IPv4 space applies to removals from 2020-03-01 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}