{"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":"188.64.224.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/188.64.224.0-188.64.231.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2009-07-27)"},"current_holder":{"rir":"RIPE NCC","org":"Twitter International Company","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":59948,"date":"2018-10-16T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Heron SAS","recipient_org":"Twitter International Company","range":"188.64.224.0/21","log":"RIPE NCC"}],"events":[{"event_id":"671e2476fcda1382","registry":"RIPE NCC","report_date":"2018-10-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"188.64.224.0/21","start":"188.64.224.0","end":"188.64.231.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Heron SAS","recipient_organization":"Twitter International Company","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:39+00:00","page":"https://rirtracker.com/ip/188.64.224.0-188.64.231.255/#e-671e2476fcda1382","report_page":"https://rirtracker.com/ripe/reports/2018-10-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/188.64.224.0-188.64.231.255.json","observed":"Merger/acquisition: Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC) on 2018-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2018-10-16 19:00 UTC, Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC); resources moved: 188.64.224.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181015.bz2","retrieved_at":"2026-10-12T21:55:24+00:00","summary":"RIPE NCC delegated statistics 2018-10-15 (produced 2018-10-15T21:59:59+00:00), before the change: allocated (dated 2009-07-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181016.bz2","retrieved_at":"2026-10-12T21:55:43+00:00","summary":"RIPE NCC delegated statistics 2018-10-16 (produced 2018-10-16T21:59:59+00:00), after the change: allocated (dated 2009-07-27)"}]},{"event_id":"25906cc830b3fb72","registry":"RIPE NCC","report_date":"2018-10-12","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"188.64.224.0/21","start":"188.64.224.0","end":"188.64.231.255","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":"2026-10-14T00:04:55+00:00","page":"https://rirtracker.com/ip/188.64.224.0-188.64.231.255/#e-25906cc830b3fb72","report_page":"https://rirtracker.com/ripe/reports/2018-10-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/188.64.224.0-188.64.231.255.json","observed":"188.64.224.0/21 reserved on 2018-10-11, allocated on 2018-10-12","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2018-10-11 and allocated (dated 2009-07-27) on 2018-10-12. 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.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181012.bz2","retrieved_at":"2026-10-12T21:55:15+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 188.64.224.0/21 reserved on 2018-10-11, allocated on 2018-10-12"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181011.bz2","retrieved_at":"2026-10-12T21:55:12+00:00","summary":"RIPE NCC delegated statistics 2018-10-11 (produced 2018-10-11T21:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181012.bz2","retrieved_at":"2026-10-12T21:55:15+00:00","summary":"RIPE NCC delegated statistics 2018-10-12 (produced 2018-10-12T21:59:59+00:00), after the change: allocated (dated 2009-07-27)"}]},{"event_id":"8a6dabf086f89a8d","registry":"RIPE NCC","report_date":"2018-07-10","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"188.64.224.0/21","start":"188.64.224.0","end":"188.64.231.255","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":"2026-10-14T00:04:29+00:00","page":"https://rirtracker.com/ip/188.64.224.0-188.64.231.255/#e-8a6dabf086f89a8d","report_page":"https://rirtracker.com/ripe/reports/2018-07-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/188.64.224.0-188.64.231.255.json","observed":"188.64.224.0/21 allocated on 2018-07-09, reserved on 2018-07-10","hold":{"hold_rule_source_url":"https://www.ripe.net/manage-ips-and-asns/resource-management/quarantine-for-returned-internet-number-resources","hold_rule_days":180,"estimated_hold_end":"2019-01-06","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-07-27) on 2018-07-09 and reserved on 2018-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2019-01-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180710.bz2","retrieved_at":"2026-10-12T21:48:52+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 188.64.224.0/21 allocated on 2018-07-09, reserved on 2018-07-10"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180709.bz2","retrieved_at":"2026-10-12T21:48:32+00:00","summary":"RIPE NCC delegated statistics 2018-07-09 (produced 2018-07-09T21:59:59+00:00), before the change: allocated (dated 2009-07-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20180710.bz2","retrieved_at":"2026-10-12T21:48:52+00:00","summary":"RIPE NCC delegated statistics 2018-07-10 (produced 2018-07-10T21:59:59+00:00), after the change: reserved"}]}],"classification_history":{"671e2476fcda1382":[{"raw_change_id":59343,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:45:33+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC) on 2018-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":59343,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:44+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC) on 2018-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":59343,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:00+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC) on 2018-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":59343,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:39+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Heron SAS (RIPE NCC) to Twitter International Company (RIPE NCC) on 2018-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"25906cc830b3fb72":[{"raw_change_id":363272,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T05:25:22+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2018-10-11 and allocated (dated 2009-07-27) on 2018-10-12. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":363272,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:56+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2018-10-11 and allocated (dated 2009-07-27) on 2018-10-12. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":363272,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:35+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2018-10-11 and allocated (dated 2009-07-27) on 2018-10-12. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":363272,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:55+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2018-10-11 and allocated (dated 2009-07-27) on 2018-10-12. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"8a6dabf086f89a8d":[{"raw_change_id":356976,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:22:36+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-07-27) on 2018-07-09 and reserved on 2018-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-01-06. This does not confirm availability."},{"raw_change_id":356976,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:36+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-07-27) on 2018-07-09 and reserved on 2018-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-01-06. This does not confirm availability."},{"raw_change_id":356976,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:12+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-07-27) on 2018-07-09 and reserved on 2018-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2019-01-06. This does not confirm availability."},{"raw_change_id":356976,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:29+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2009-07-27) on 2018-07-09 and reserved on 2018-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2019-01-06. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}