{"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":"104.143.224.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/104.143.224.0-104.143.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2014-07-15)"},"current_holder":{"rir":"RIPE NCC","org":"FASTPLANET LTD","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":83951,"date":"2021-12-09T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"FASTPLANET LTD","range":"104.143.224.0/19","log":"RIPE NCC"},{"id":26281,"date":"2021-12-09T15:40:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Network Layer Technologies Inc","recipient_org":"FASTPLANET LTD","range":"104.143.224.0/19","log":"ARIN"}],"events":[{"event_id":"aeb3242c17773be4","registry":"ARIN","report_date":"2021-12-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"104.143.224.0/19","start":"104.143.224.0","end":"104.143.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Network Layer Technologies Inc","recipient_organization":"FASTPLANET LTD","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:47+00:00","page":"https://rirtracker.com/ip/104.143.224.0-104.143.255.255/#e-aeb3242c17773be4","report_page":"https://rirtracker.com/arin/reports/2021-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.143.224.0-104.143.255.255.json","observed":"104.143.224.0/19 allocated on 2021-12-09, not listed on 2021-12-10","same_transfer_as":"8063cd9111622197","explanation":"ARIN's transfer log records a transfer from Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 15:40 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211210.gz","retrieved_at":"2026-10-12T22:53:30+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 104.143.224.0/19 allocated on 2021-12-09, not listed on 2021-12-10"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2021-12-09 15:40 UTC, Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC); resources moved: 104.143.224.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211208.gz","retrieved_at":"2026-10-12T22:53:25+00:00","summary":"ARIN delegated statistics 2021-12-08 (produced 2021-12-08T14:00:13+00:00), before the report: allocated (dated 2014-07-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211210.gz","retrieved_at":"2026-10-12T22:53:30+00:00","summary":"ARIN delegated statistics 2021-12-10 (produced 2021-12-10T14:00:12+00:00), after the report: not listed"}]},{"event_id":"8063cd9111622197","registry":"RIPE NCC","report_date":"2021-12-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"104.143.224.0/19","start":"104.143.224.0","end":"104.143.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"FASTPLANET LTD","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:54+00:00","page":"https://rirtracker.com/ip/104.143.224.0-104.143.255.255/#e-8063cd9111622197","report_page":"https://rirtracker.com/ripe/reports/2021-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.143.224.0-104.143.255.255.json","observed":"Transfer: (no name) (ARIN) to FASTPLANET LTD (RIPE NCC)","same_transfer_as":"aeb3242c17773be4","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","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: RESOURCE_TRANSFER on 2021-12-09 19:00 UTC, (no name) (ARIN) to FASTPLANET LTD (RIPE NCC); resources moved: 104.143.224.0/19"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20211208.bz2","retrieved_at":"2026-10-12T23:23:22+00:00","summary":"RIPE NCC delegated statistics 2021-12-08 (produced 2021-12-08T22:59:00+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20211209.bz2","retrieved_at":"2026-10-12T23:23:25+00:00","summary":"RIPE NCC delegated statistics 2021-12-09 (produced 2021-12-09T22:59:00+00:00), after the change: allocated (dated 2014-07-15)"}]},{"event_id":"20aaa9eb09beab44","registry":"ARIN","report_date":"2017-10-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"104.143.224.0/19","start":"104.143.224.0","end":"104.143.255.255","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":"2026-10-14T00:03:31+00:00","page":"https://rirtracker.com/ip/104.143.224.0-104.143.255.255/#e-20aaa9eb09beab44","report_page":"https://rirtracker.com/arin/reports/2017-10-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.143.224.0-104.143.255.255.json","observed":"104.143.224.0/19 allocated on 2017-10-10, reserved on 2017-10-11","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2017-12-09","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2014-07-15) on 2017-10-09 and reserved on 2017-10-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2017-12-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171011.gz","retrieved_at":"2026-10-12T21:35:37+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 104.143.224.0/19 allocated on 2017-10-10, reserved on 2017-10-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171009.gz","retrieved_at":"2026-10-12T21:35:32+00:00","summary":"ARIN delegated statistics 2017-10-09 (produced 2017-10-09T05:10:38+00:00), before the report: allocated (dated 2014-07-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171011.gz","retrieved_at":"2026-10-12T21:35:37+00:00","summary":"ARIN delegated statistics 2017-10-11 (produced 2017-10-11T05:11:30+00:00), after the report: reserved"}]},{"event_id":"88df17610757ea19","registry":"ARIN","report_date":"2014-07-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add 104.143.224.0-104.143.255.255","resource_type":"ipv4","resource":"104.143.224.0/19","start":"104.143.224.0","end":"104.143.255.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:13+00:00","page":"https://rirtracker.com/ip/104.143.224.0-104.143.255.255/#e-88df17610757ea19","report_page":"https://rirtracker.com/arin/reports/2014-07-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/104.143.224.0-104.143.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-14 and allocated (dated 2014-07-15) on 2014-07-16. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-July/002043.html","retrieved_at":"2026-10-12T18:38:26+00:00","summary":"ARIN-Issued report for 2014-07-15: \"Add 104.143.224.0-104.143.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140714.gz","retrieved_at":"2026-10-12T20:38:01+00:00","summary":"ARIN delegated statistics 2014-07-14 (produced 2014-07-14T05:03:15+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140716.gz","retrieved_at":"2026-10-12T20:38:06+00:00","summary":"ARIN delegated statistics 2014-07-16 (produced 2014-07-16T05:03:31+00:00), after the report: allocated (dated 2014-07-15)"}]}],"classification_history":{"aeb3242c17773be4":[{"raw_change_id":421265,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:48:38+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 15:40 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":421265,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 15:40 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":421265,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:01+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 15:40 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":421265,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:47+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Network Layer Technologies Inc (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 15:40 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"8063cd9111622197":[{"raw_change_id":84184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:56:01+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":84184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:46+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":84184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:09+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":84184,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:54+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to FASTPLANET LTD (RIPE NCC) on 2021-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"20aaa9eb09beab44":[{"raw_change_id":341823,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:35+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2014-07-15) on 2017-10-09 and reserved on 2017-10-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-12-09. This does not confirm availability."},{"raw_change_id":341823,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:48+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2014-07-15) on 2017-10-09 and reserved on 2017-10-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-12-09. This does not confirm availability."},{"raw_change_id":341823,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:20+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2014-07-15) on 2017-10-09 and reserved on 2017-10-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-12-09. This does not confirm availability."},{"raw_change_id":341823,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:31+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2014-07-15) on 2017-10-09 and reserved on 2017-10-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2017-12-09. This does not confirm availability."}],"88df17610757ea19":[{"raw_change_id":133071,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:25:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-14 and allocated (dated 2014-07-15) on 2014-07-16. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":133071,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:35+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-14 and allocated (dated 2014-07-15) on 2014-07-16. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":133071,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:11+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-14 and allocated (dated 2014-07-15) on 2014-07-16. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":133071,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:13+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-07-14 and allocated (dated 2014-07-15) on 2014-07-16. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"not listed"}}