{"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":"177.128.16.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/177.128.16.0-177.128.23.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2012-01-18)"},"current_holder":{"rir":"LACNIC","org":null,"how":"LACNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"34375e55168623bc","registry":"LACNIC","report_date":"2025-07-16","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"177.128.16.0/21","start":"177.128.16.0","end":"177.128.23.255","classification":"RESTORED","classification_label":"Restored to the same holder","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on LACNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:18+00:00","page":"https://rirtracker.com/ip/177.128.16.0-177.128.23.255/#e-34375e55168623bc","report_page":"https://rirtracker.com/lacnic/reports/2025-07-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.128.16.0-177.128.23.255.json","observed":"177.128.16.0/21 reserved on 2025-07-15, allocated on 2025-07-16","explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2025-07-15 and allocated (dated 2012-01-18) on 2025-07-16. The tracker saw it removed from registration on 2025-07-15 (1 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction. Another change to this range was reported the day before or after (2025-07-15: Removed 177.128.16.0/21), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250716","retrieved_at":"2026-10-13T02:14:55+00:00","summary":"Found by comparing LACNIC's daily statistics: 177.128.16.0/21 reserved on 2025-07-15, allocated on 2025-07-16"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250715","retrieved_at":"2026-10-13T02:14:50+00:00","summary":"LACNIC delegated statistics 2025-07-15, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250716","retrieved_at":"2026-10-13T02:14:55+00:00","summary":"LACNIC delegated statistics 2025-07-16, after the change: allocated (dated 2012-01-18)"}]},{"event_id":"d1283e8d8fe8b414","registry":"LACNIC","report_date":"2025-07-15","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"177.128.16.0/21","start":"177.128.16.0","end":"177.128.23.255","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":"2026-10-14T00:18:18+00:00","page":"https://rirtracker.com/ip/177.128.16.0-177.128.23.255/#e-d1283e8d8fe8b414","report_page":"https://rirtracker.com/lacnic/reports/2025-07-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/177.128.16.0-177.128.23.255.json","observed":"177.128.16.0/21 allocated on 2025-07-14, reserved on 2025-07-15","hold":{"hold_rule_source_url":"https://www.lacnic.net/1077/1/lacnic","hold_rule_months":6,"estimated_hold_end":"2026-01-15","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 2012-01-18) on 2025-07-14 and reserved on 2025-07-15. 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 2026-01-15. This does not confirm availability. Another change to this range was reported the day before or after (2025-07-16: Added 177.128.16.0/21), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250715","retrieved_at":"2026-10-13T02:14:50+00:00","summary":"Found by comparing LACNIC's daily statistics: 177.128.16.0/21 allocated on 2025-07-14, reserved on 2025-07-15"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250714","retrieved_at":"2026-10-13T02:14:37+00:00","summary":"LACNIC delegated statistics 2025-07-14, before the change: allocated (dated 2012-01-18)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250715","retrieved_at":"2026-10-13T02:14:50+00:00","summary":"LACNIC delegated statistics 2025-07-15, after the change: reserved"}]}],"classification_history":{"34375e55168623bc":[{"raw_change_id":547682,"classification_code":"RESTORED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:47:18+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2025-07-15 and allocated (dated 2012-01-18) on 2025-07-16. The tracker saw it removed from registration on 2025-07-15 (1 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction. Another change to this range was reported the day before or after (2025-07-15: Removed 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547682,"classification_code":"RESTORED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:27:49+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2025-07-15 and allocated (dated 2012-01-18) on 2025-07-16. The tracker saw it removed from registration on 2025-07-15 (1 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction. Another change to this range was reported the day before or after (2025-07-15: Removed 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547682,"classification_code":"RESTORED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:12:16+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2025-07-15 and allocated (dated 2012-01-18) on 2025-07-16. The tracker saw it removed from registration on 2025-07-15 (1 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction. Another change to this range was reported the day before or after (2025-07-15: Removed 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547682,"classification_code":"RESTORED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:18+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it reserved on 2025-07-15 and allocated (dated 2012-01-18) on 2025-07-16. The tracker saw it removed from registration on 2025-07-15 (1 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction. Another change to this range was reported the day before or after (2025-07-15: Removed 177.128.16.0/21), so the before-and-after statistics may include it."}],"d1283e8d8fe8b414":[{"raw_change_id":547635,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:47:17+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 2012-01-18) on 2025-07-14 and reserved on 2025-07-15. 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 2026-01-15. This does not confirm availability. Another change to this range was reported the day before or after (2025-07-16: Added 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547635,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:27:49+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 2012-01-18) on 2025-07-14 and reserved on 2025-07-15. 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 2026-01-15. This does not confirm availability. Another change to this range was reported the day before or after (2025-07-16: Added 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547635,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:12:16+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 2012-01-18) on 2025-07-14 and reserved on 2025-07-15. 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 2026-01-15. This does not confirm availability. Another change to this range was reported the day before or after (2025-07-16: Added 177.128.16.0/21), so the before-and-after statistics may include it."},{"raw_change_id":547635,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:18+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 2012-01-18) on 2025-07-14 and reserved on 2025-07-15. 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 2026-01-15. This does not confirm availability. Another change to this range was reported the day before or after (2025-07-16: Added 177.128.16.0/21), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"not listed"}}