{"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":"128.201.48.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2017-06-19)"},"current_holder":{"rir":"LACNIC","org":null,"how":"LACNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"159a1463f1a074c7","registry":"LACNIC","report_date":"2023-02-14","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"128.201.48.0/22","start":"128.201.48.0","end":"128.201.51.255","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":"2026-10-14T00:16:18+00:00","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/#e-159a1463f1a074c7","report_page":"https://rirtracker.com/lacnic/reports/2023-02-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/128.201.48.0-128.201.51.255.json","observed":"128.201.48.0/22 reserved on 2023-02-13, allocated on 2023-02-14","explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2023-02-13 and allocated (dated 2017-06-19) on 2023-02-14. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230214","retrieved_at":"2026-10-13T00:55:57+00:00","summary":"Found by comparing LACNIC's daily statistics: 128.201.48.0/22 reserved on 2023-02-13, allocated on 2023-02-14"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230213","retrieved_at":"2026-10-13T00:55:46+00:00","summary":"LACNIC delegated statistics 2023-02-13, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230214","retrieved_at":"2026-10-13T00:55:57+00:00","summary":"LACNIC delegated statistics 2023-02-14, after the change: allocated (dated 2017-06-19)"}]},{"event_id":"95f57c44b6a3877e","registry":"LACNIC","report_date":"2023-02-09","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"128.201.48.0/22","start":"128.201.48.0","end":"128.201.51.255","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":"2026-10-14T00:16:13+00:00","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/#e-95f57c44b6a3877e","report_page":"https://rirtracker.com/lacnic/reports/2023-02-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/128.201.48.0-128.201.51.255.json","observed":"128.201.48.0/22 allocated on 2023-02-08, reserved on 2023-02-09","hold":{"hold_rule_source_url":"https://www.lacnic.net/1077/1/lacnic","hold_rule_months":6,"estimated_hold_end":"2023-08-09","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 2017-06-19) on 2023-02-08 and reserved on 2023-02-09. 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 2023-08-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230209","retrieved_at":"2026-10-13T00:55:26+00:00","summary":"Found by comparing LACNIC's daily statistics: 128.201.48.0/22 allocated on 2023-02-08, reserved on 2023-02-09"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230208","retrieved_at":"2026-10-13T00:55:21+00:00","summary":"LACNIC delegated statistics 2023-02-08, before the change: allocated (dated 2017-06-19)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230209","retrieved_at":"2026-10-13T00:55:26+00:00","summary":"LACNIC delegated statistics 2023-02-09, after the change: reserved"}]},{"event_id":"3e424d6e1e20401a","registry":"LACNIC","report_date":"2021-05-19","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"128.201.48.0/22","start":"128.201.48.0","end":"128.201.51.255","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":"2026-10-14T00:13:12+00:00","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/#e-3e424d6e1e20401a","report_page":"https://rirtracker.com/lacnic/reports/2021-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/128.201.48.0-128.201.51.255.json","observed":"128.201.48.0/22 reserved on 2021-05-18, allocated on 2021-05-19","explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2021-05-18 and allocated (dated 2017-06-19) on 2021-05-19. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210519","retrieved_at":"2026-10-12T23:59:11+00:00","summary":"Found by comparing LACNIC's daily statistics: 128.201.48.0/22 reserved on 2021-05-18, allocated on 2021-05-19"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210518","retrieved_at":"2026-10-12T23:59:06+00:00","summary":"LACNIC delegated statistics 2021-05-18, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210519","retrieved_at":"2026-10-12T23:59:11+00:00","summary":"LACNIC delegated statistics 2021-05-19, after the change: allocated (dated 2017-06-19)"}]},{"event_id":"421ddbf31b17898b","registry":"LACNIC","report_date":"2021-05-10","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"128.201.48.0/22","start":"128.201.48.0","end":"128.201.51.255","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":"2026-10-14T00:13:08+00:00","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/#e-421ddbf31b17898b","report_page":"https://rirtracker.com/lacnic/reports/2021-05-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/128.201.48.0-128.201.51.255.json","observed":"128.201.48.0/22 allocated on 2021-05-09, reserved on 2021-05-10","hold":{"hold_rule_source_url":"https://www.lacnic.net/1077/1/lacnic","hold_rule_months":6,"estimated_hold_end":"2021-11-10","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 2017-06-19) on 2021-05-09 and reserved on 2021-05-10. 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 2021-11-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210510","retrieved_at":"2026-10-12T23:58:23+00:00","summary":"Found by comparing LACNIC's daily statistics: 128.201.48.0/22 allocated on 2021-05-09, reserved on 2021-05-10"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210509","retrieved_at":"2026-10-12T23:58:18+00:00","summary":"LACNIC delegated statistics 2021-05-09, before the change: allocated (dated 2017-06-19)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210510","retrieved_at":"2026-10-12T23:58:23+00:00","summary":"LACNIC delegated statistics 2021-05-10, after the change: reserved"}]},{"event_id":"3eecd1149815a3e4","registry":"LACNIC","report_date":"2017-06-19","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"128.201.48.0/22","start":"128.201.48.0","end":"128.201.51.255","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 LACNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:48+00:00","page":"https://rirtracker.com/ip/128.201.48.0-128.201.51.255/#e-3eecd1149815a3e4","report_page":"https://rirtracker.com/lacnic/reports/2017-06-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/128.201.48.0-128.201.51.255.json","observed":"128.201.48.0/22 reserved on 2017-06-18, allocated on 2017-06-19","explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2017-06-18 and allocated (dated 2017-06-19) on 2017-06-19. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20170619","retrieved_at":"2026-10-12T21:53:14+00:00","summary":"Found by comparing LACNIC's daily statistics: 128.201.48.0/22 reserved on 2017-06-18, allocated on 2017-06-19"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20170618","retrieved_at":"2026-10-12T21:53:09+00:00","summary":"LACNIC delegated statistics 2017-06-18, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2017/delegated-lacnic-extended-20170619","retrieved_at":"2026-10-12T21:53:14+00:00","summary":"LACNIC delegated statistics 2017-06-19, after the change: allocated (dated 2017-06-19)"}]}],"classification_history":{"159a1463f1a074c7":[{"raw_change_id":520284,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:34:31+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2023-02-13 and allocated (dated 2017-06-19) on 2023-02-14. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":520284,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:26:13+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2023-02-13 and allocated (dated 2017-06-19) on 2023-02-14. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":520284,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:33+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2023-02-13 and allocated (dated 2017-06-19) on 2023-02-14. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":520284,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:18+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2023-02-13 and allocated (dated 2017-06-19) on 2023-02-14. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"95f57c44b6a3877e":[{"raw_change_id":519344,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:34:07+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 2017-06-19) on 2023-02-08 and reserved on 2023-02-09. 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 earliest estimated hold expiration is 2023-08-09. This does not confirm availability."},{"raw_change_id":519344,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:26:09+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 2017-06-19) on 2023-02-08 and reserved on 2023-02-09. 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 earliest estimated hold expiration is 2023-08-09. This does not confirm availability."},{"raw_change_id":519344,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:29+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 2017-06-19) on 2023-02-08 and reserved on 2023-02-09. 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 earliest estimated hold expiration is 2023-08-09. This does not confirm availability."},{"raw_change_id":519344,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:13+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 2017-06-19) on 2023-02-08 and reserved on 2023-02-09. 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 2023-08-09. This does not confirm availability."}],"3e424d6e1e20401a":[{"raw_change_id":479663,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:14:24+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2021-05-18 and allocated (dated 2017-06-19) on 2021-05-19. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":479663,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:42+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2021-05-18 and allocated (dated 2017-06-19) on 2021-05-19. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":479663,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:50+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2021-05-18 and allocated (dated 2017-06-19) on 2021-05-19. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":479663,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:12+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2021-05-18 and allocated (dated 2017-06-19) on 2021-05-19. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"421ddbf31b17898b":[{"raw_change_id":478684,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:13:44+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 2017-06-19) on 2021-05-09 and reserved on 2021-05-10. 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 earliest estimated hold expiration is 2021-11-10. This does not confirm availability."},{"raw_change_id":478684,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:38+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 2017-06-19) on 2021-05-09 and reserved on 2021-05-10. 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 earliest estimated hold expiration is 2021-11-10. This does not confirm availability."},{"raw_change_id":478684,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:47+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 2017-06-19) on 2021-05-09 and reserved on 2021-05-10. 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 earliest estimated hold expiration is 2021-11-10. This does not confirm availability."},{"raw_change_id":478684,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:08+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 2017-06-19) on 2021-05-09 and reserved on 2021-05-10. 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 2021-11-10. This does not confirm availability."}],"3eecd1149815a3e4":[{"raw_change_id":361603,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:24:35+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2017-06-18 and allocated (dated 2017-06-19) on 2017-06-19. The tracker saw this range released from hold on 2017-04-05 (128.201.0.0/16), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":361603,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:51+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2017-06-18 and allocated (dated 2017-06-19) on 2017-06-19. The tracker saw this range released from hold on 2017-04-05 (128.201.0.0/16), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":361603,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:29+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2017-06-18 and allocated (dated 2017-06-19) on 2017-06-19. The tracker saw this range released from hold on 2017-04-05 (128.201.0.0/16), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":361603,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:48+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2017-06-18 and allocated (dated 2017-06-19) on 2017-06-19. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC."}]},"arin_statistics_now":{"status":"not listed"}}