{"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":"2001:df0:da00::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2001.df0.da00..-2001.df0.da00.ffff.ffff.ffff.ffff.ffff/","statistics_now":{"registry":"APNIC","status":"available"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"a98792696c6c4aa8","registry":"APNIC","report_date":"2016-02-24","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv6","resource":"2001:df0:da00::/48","start":"2001:df0:da00::","end":"2001:df0:da00:ffff:ffff:ffff:ffff:ffff","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":"2026-10-14T00:03:28+00:00","page":"https://rirtracker.com/ip/2001.df0.da00..-2001.df0.da00.ffff.ffff.ffff.ffff.ffff/#e-a98792696c6c4aa8","report_page":"https://rirtracker.com/apnic/reports/2016-02-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.df0.da00..-2001.df0.da00.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:df0:da00::/48 assigned on 2016-02-24, reserved on 2016-02-25","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2017-02-24","availability_statement":"Possible reissue candidate after this date; not confirmed available","hold_rule_observed":true},"explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2016-02-23) on 2016-02-24 and reserved on 2016-02-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv6 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2017-02-24. That is what APNIC has done, not a rule it states. This does not confirm availability. Another change to this range was reported the day before or after (2016-02-23: Added 2001:df0:da00::/48), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160225.gz","retrieved_at":"2026-10-12T21:34:19+00:00","summary":"Found by comparing APNIC's daily statistics: 2001:df0:da00::/48 assigned on 2016-02-24, reserved on 2016-02-25"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160224.gz","retrieved_at":"2026-10-12T21:34:16+00:00","summary":"APNIC delegated statistics 2016-02-24, before the change: assigned (dated 2016-02-23)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160225.gz","retrieved_at":"2026-10-12T21:34:19+00:00","summary":"APNIC delegated statistics 2016-02-25, after the change: reserved"}]},{"event_id":"baa05b6d9cac4a05","registry":"APNIC","report_date":"2016-02-23","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv6","resource":"2001:df0:da00::/48","start":"2001:df0:da00::","end":"2001:df0:da00:ffff:ffff:ffff:ffff:ffff","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:28+00:00","page":"https://rirtracker.com/ip/2001.df0.da00..-2001.df0.da00.ffff.ffff.ffff.ffff.ffff/#e-baa05b6d9cac4a05","report_page":"https://rirtracker.com/apnic/reports/2016-02-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2001.df0.da00..-2001.df0.da00.ffff.ffff.ffff.ffff.ffff.json","observed":"2001:df0:da00::/48 available on 2016-02-23, assigned on 2016-02-24","explanation":"No transfer record matches. APNIC's statistics show it available on 2016-02-23 and assigned (dated 2016-02-23) on 2016-02-24. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC. Another change to this range was reported the day before or after (2016-02-24: Removed 2001:df0:da00::/48), so the before-and-after statistics may include it.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160224.gz","retrieved_at":"2026-10-12T21:34:16+00:00","summary":"Found by comparing APNIC's daily statistics: 2001:df0:da00::/48 available on 2016-02-23, assigned on 2016-02-24"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160223.gz","retrieved_at":"2026-10-12T21:34:05+00:00","summary":"APNIC delegated statistics 2016-02-23, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160224.gz","retrieved_at":"2026-10-12T21:34:16+00:00","summary":"APNIC delegated statistics 2016-02-24, after the change: assigned (dated 2016-02-23)"}]}],"classification_history":{"a98792696c6c4aa8":[{"raw_change_id":341070,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:13+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2016-02-23) on 2016-02-24 and reserved on 2016-02-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv6 space before reissuing it, so the tracker gives no estimate. This does not confirm availability. Another change to this range was reported the day before or after (2016-02-23: Added 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341070,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:45+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2016-02-23) on 2016-02-24 and reserved on 2016-02-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv6 space before reissuing it, so the tracker gives no estimate. This does not confirm availability. Another change to this range was reported the day before or after (2016-02-23: Added 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341070,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:18+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2016-02-23) on 2016-02-24 and reserved on 2016-02-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv6 space before reissuing it, so the tracker gives no estimate. This does not confirm availability. Another change to this range was reported the day before or after (2016-02-23: Added 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341070,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:28+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2016-02-23) on 2016-02-24 and reserved on 2016-02-25. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv6 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2017-02-24. That is what APNIC has done, not a rule it states. This does not confirm availability. Another change to this range was reported the day before or after (2016-02-23: Added 2001:df0:da00::/48), so the before-and-after statistics may include it."}],"baa05b6d9cac4a05":[{"raw_change_id":341068,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:13+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-02-23 and assigned (dated 2016-02-23) on 2016-02-24. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC. Another change to this range was reported the day before or after (2016-02-24: Removed 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341068,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-02-23 and assigned (dated 2016-02-23) on 2016-02-24. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC. Another change to this range was reported the day before or after (2016-02-24: Removed 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341068,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:18+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-02-23 and assigned (dated 2016-02-23) on 2016-02-24. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC. Another change to this range was reported the day before or after (2016-02-24: Removed 2001:df0:da00::/48), so the before-and-after statistics may include it."},{"raw_change_id":341068,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:28+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2016-02-23 and assigned (dated 2016-02-23) on 2016-02-24. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC. Another change to this range was reported the day before or after (2016-02-24: Removed 2001:df0:da00::/48), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"not listed"}}