{"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":"168.235.144.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/168.235.144.0-168.235.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-09-04)"},"current_holder":{"rir":"ARIN","org":"Server Mania Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":36571,"date":"2024-09-04T18:53:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"KW Datacenter","recipient_org":"Server Mania Inc.","range":"168.235.144.0/20","log":"ARIN"},{"id":35672,"date":"2024-05-22T21:04:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"KW Datacenter","recipient_org":"KW Datacenter","range":"168.235.144.0/20","log":"ARIN"}],"events":[{"event_id":"20a24f4a8be8d7f5","registry":"ARIN","report_date":"2024-09-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 168.235.144.0-168.235.159.255","resource_type":"ipv4","resource":"168.235.144.0/20","start":"168.235.144.0","end":"168.235.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"KW Datacenter","recipient_organization":"Server Mania Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:10+00:00","page":"https://rirtracker.com/ip/168.235.144.0-168.235.159.255/#e-20a24f4a8be8d7f5","report_page":"https://rirtracker.com/arin/reports/2024-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.235.144.0-168.235.159.255.json","explanation":"ARIN's transfer log records a transfer from KW Datacenter (ARIN) to Server Mania Inc. (ARIN) on 2024-09-04 18:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-September/005744.html","retrieved_at":"2026-10-12T18:42:44+00:00","summary":"ARIN-Issued report for 2024-09-04: \"Add 168.235.144.0-168.235.159.255\""},{"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 2024-09-04 18:53 UTC, KW Datacenter (ARIN) to Server Mania Inc. (ARIN); resources moved: 168.235.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240903.gz","retrieved_at":"2026-10-12T23:46:01+00:00","summary":"ARIN delegated statistics 2024-09-03 (produced 2024-09-03T13:00:52+00:00), before the report: allocated (dated 2014-06-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240905.gz","retrieved_at":"2026-10-12T23:46:05+00:00","summary":"ARIN delegated statistics 2024-09-05 (produced 2024-09-05T13:00:52+00:00), after the report: allocated (dated 2024-09-04)"}]},{"event_id":"ec1151fdbe99e5c6","registry":"ARIN","report_date":"2024-05-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"168.235.144.0/20","start":"168.235.144.0","end":"168.235.159.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"KW Datacenter","recipient_organization":"KW Datacenter","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:15+00:00","page":"https://rirtracker.com/ip/168.235.144.0-168.235.159.255/#e-ec1151fdbe99e5c6","report_page":"https://rirtracker.com/arin/reports/2024-05-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.235.144.0-168.235.159.255.json","observed":"Merger/acquisition: KW Datacenter (ARIN) to KW Datacenter (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from KW Datacenter (ARIN) to KW Datacenter (ARIN) on 2024-05-22 21:04 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2024-05-22 21:04 UTC, KW Datacenter (ARIN) to KW Datacenter (ARIN); resources moved: 168.235.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240521.gz","retrieved_at":"2026-10-12T23:40:23+00:00","summary":"ARIN delegated statistics 2024-05-21 (produced 2024-05-21T13:00:47+00:00), before the report: allocated (dated 2014-06-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240523.gz","retrieved_at":"2026-10-12T23:40:28+00:00","summary":"ARIN delegated statistics 2024-05-23 (produced 2024-05-23T13:00:47+00:00), after the report: allocated (dated 2014-06-26)"}]},{"event_id":"32961c7f4766f415","registry":"ARIN","report_date":"2024-03-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"168.235.144.0/20","start":"168.235.144.0","end":"168.235.159.255","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":"2026-10-14T00:11:45+00:00","page":"https://rirtracker.com/ip/168.235.144.0-168.235.159.255/#e-32961c7f4766f415","report_page":"https://rirtracker.com/arin/reports/2024-03-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.235.144.0-168.235.159.255.json","observed":"168.235.144.0/20 allocated on 2024-03-11, reserved on 2024-03-12","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":"2024-05-10","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 2014-06-26) on 2024-03-10 and reserved on 2024-03-12. 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 2024-05-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240312.gz","retrieved_at":"2026-10-12T23:36:41+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 168.235.144.0/20 allocated on 2024-03-11, reserved on 2024-03-12"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240310.gz","retrieved_at":"2026-10-12T23:36:36+00:00","summary":"ARIN delegated statistics 2024-03-10 (produced 2024-03-10T13:00:44+00:00), before the report: allocated (dated 2014-06-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240312.gz","retrieved_at":"2026-10-12T23:36:41+00:00","summary":"ARIN delegated statistics 2024-03-12 (produced 2024-03-12T13:00:43+00:00), after the report: reserved"}]},{"event_id":"92f94707b4886d05","registry":"ARIN","report_date":"2014-06-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 168.235.144.0-168.235.159.255","resource_type":"ipv4","resource":"168.235.144.0/20","start":"168.235.144.0","end":"168.235.159.255","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/168.235.144.0-168.235.159.255/#e-92f94707b4886d05","report_page":"https://rirtracker.com/arin/reports/2014-06-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/168.235.144.0-168.235.159.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-06-25 and allocated (dated 2014-06-26) on 2014-06-27. 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-June/002024.html","retrieved_at":"2026-10-12T18:38:24+00:00","summary":"ARIN-Issued report for 2014-06-26: \"Add 168.235.144.0-168.235.159.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140625.gz","retrieved_at":"2026-10-12T20:36:59+00:00","summary":"ARIN delegated statistics 2014-06-25 (produced 2014-06-25T05:06:42+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140627.gz","retrieved_at":"2026-10-12T20:37:12+00:00","summary":"ARIN delegated statistics 2014-06-27 (produced 2014-06-27T05:03:42+00:00), after the report: allocated (dated 2014-06-26)"}]}],"classification_history":{"20a24f4a8be8d7f5":[{"raw_change_id":189061,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:03:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from KW Datacenter (ARIN) to Server Mania Inc. (ARIN) on 2024-09-04 18:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":189061,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from KW Datacenter (ARIN) to Server Mania Inc. (ARIN) on 2024-09-04 18:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":189061,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from KW Datacenter (ARIN) to Server Mania Inc. (ARIN) on 2024-09-04 18:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":189061,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from KW Datacenter (ARIN) to Server Mania Inc. (ARIN) on 2024-09-04 18:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"ec1151fdbe99e5c6":[{"raw_change_id":571005,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:15+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from KW Datacenter (ARIN) to KW Datacenter (ARIN) on 2024-05-22 21:04 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"32961c7f4766f415":[{"raw_change_id":462756,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:06:51+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 2014-06-26) on 2024-03-10 and reserved on 2024-03-12. 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 2024-05-10. This does not confirm availability."},{"raw_change_id":462756,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:34+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 2014-06-26) on 2024-03-10 and reserved on 2024-03-12. 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 2024-05-10. This does not confirm availability."},{"raw_change_id":462756,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:38+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 2014-06-26) on 2024-03-10 and reserved on 2024-03-12. 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 2024-05-10. This does not confirm availability."},{"raw_change_id":462756,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:45+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 2014-06-26) on 2024-03-10 and reserved on 2024-03-12. 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 2024-05-10. This does not confirm availability."}],"92f94707b4886d05":[{"raw_change_id":132808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:25:18+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-06-25 and allocated (dated 2014-06-26) on 2014-06-27. 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":132808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:34+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-06-25 and allocated (dated 2014-06-26) on 2014-06-27. 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":132808,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:10+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-06-25 and allocated (dated 2014-06-26) on 2014-06-27. The tracker saw this range released from hold on 2010-12-02 (168.235.64.0-168.235.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":132808,"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 2014-06-25 and allocated (dated 2014-06-26) on 2014-06-27. 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":"allocated (dated 2024-09-04)"}}