{"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":"150.107.124.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2023-02-07)"},"current_holder":{"rir":"ARIN","org":"Whitecap Resources Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42612,"date":"2026-01-15T19:41:43Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Hammerhead Resources Inc.","recipient_org":"Whitecap Resources Inc.","range":"150.107.124.0/24","log":"ARIN"},{"id":128408,"date":"2023-02-07T22:19:00Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Divinetworks Ltd.","recipient_org":"HR-233","range":"150.107.124.0/24","log":"APNIC"},{"id":30415,"date":"2023-02-07T14:12:46Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Divinetworks Ltd.","recipient_org":"Hammerhead Resources Inc.","range":"150.107.124.0/24","log":"ARIN"}],"events":[{"event_id":"6c55b391e9eae5a4","registry":"ARIN","report_date":"2026-01-15","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"150.107.124.0/24","start":"150.107.124.0","end":"150.107.124.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Hammerhead Resources Inc.","recipient_organization":"Whitecap Resources Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:25+00:00","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/#e-6c55b391e9eae5a4","report_page":"https://rirtracker.com/arin/reports/2026-01-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/150.107.124.0-150.107.124.255.json","observed":"Merger/acquisition: Hammerhead Resources Inc. (ARIN) to Whitecap Resources Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Hammerhead Resources Inc. (ARIN) to Whitecap Resources Inc. (ARIN) on 2026-01-15 19:41 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 2026-01-15 19:41 UTC, Hammerhead Resources Inc. (ARIN) to Whitecap Resources Inc. (ARIN); resources moved: 150.107.124.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260114","retrieved_at":"2026-10-09T18:54:57+00:00","summary":"ARIN delegated statistics 2026-01-14 (produced 2026-01-14T14:00:47+00:00), before the report: allocated (dated 2023-02-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260116","retrieved_at":"2026-10-09T18:55:04+00:00","summary":"ARIN delegated statistics 2026-01-16 (produced 2026-01-16T14:00:49+00:00), after the report: allocated (dated 2023-02-07)"}]},{"event_id":"e426991c66abda8f","registry":"APNIC","report_date":"2023-02-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"150.107.124.0/24","start":"150.107.124.0","end":"150.107.124.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Divinetworks Ltd.","recipient_organization":"HR-233","inventory_effect":"Transferred out of APNIC administration; not offered to APNIC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:47+00:00","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/#e-e426991c66abda8f","report_page":"https://rirtracker.com/apnic/reports/2023-02-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/150.107.124.0-150.107.124.255.json","observed":"Transfer: Divinetworks Ltd. (APNIC) to HR-233 (ARIN)","same_transfer_as":"b879d466121d31cf","explanation":"APNIC's transfer log records a transfer from Divinetworks Ltd. (APNIC) to HR-233 (ARIN) on 2023-02-07 22:19 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2023-02-07 22:19 UTC, Divinetworks Ltd. (APNIC) to HR-233 (ARIN); resources moved: 150.107.124.0/24"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230208.gz","retrieved_at":"2026-10-13T00:32:23+00:00","summary":"APNIC delegated statistics 2023-02-08, before the change: allocated (dated 2014-06-20)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230209.gz","retrieved_at":"2026-10-13T00:32:27+00:00","summary":"APNIC delegated statistics 2023-02-09, after the change: not listed"}]},{"event_id":"b879d466121d31cf","registry":"ARIN","report_date":"2023-02-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 150.107.124.0-150.107.124.255","resource_type":"ipv4","resource":"150.107.124.0/24","start":"150.107.124.0","end":"150.107.124.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Divinetworks Ltd.","recipient_organization":"Hammerhead Resources Inc.","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:36+00:00","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/#e-b879d466121d31cf","report_page":"https://rirtracker.com/arin/reports/2023-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/150.107.124.0-150.107.124.255.json","same_transfer_as":"e426991c66abda8f","explanation":"ARIN's transfer log records a transfer from Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN) on 2023-02-07 14:12 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-February/005170.html","retrieved_at":"2026-10-12T18:42:04+00:00","summary":"ARIN-Issued report for 2023-02-07: \"Add 150.107.124.0-150.107.124.255\""},{"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 2023-02-07 14:12 UTC, Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN); resources moved: 150.107.124.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230206.gz","retrieved_at":"2026-10-12T23:15:24+00:00","summary":"ARIN delegated statistics 2023-02-06 (produced 2023-02-06T14:00:10+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230208.gz","retrieved_at":"2026-10-12T23:15:29+00:00","summary":"ARIN delegated statistics 2023-02-08 (produced 2023-02-08T14:00:11+00:00), after the report: allocated (dated 2023-02-07)"}]},{"event_id":"350d0f0bd031fc4a","registry":"APNIC","report_date":"2021-08-30","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"150.107.124.0/24","start":"150.107.124.0","end":"150.107.124.255","classification":"RESTORED","classification_label":"Restored to the same holder","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:47+00:00","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/#e-350d0f0bd031fc4a","report_page":"https://rirtracker.com/apnic/reports/2021-08-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/150.107.124.0-150.107.124.255.json","observed":"150.107.124.0/24 reserved on 2021-08-30, allocated on 2021-08-31","explanation":"No transfer record matches. APNIC's statistics show it reserved on 2021-08-30 and allocated (dated 2014-06-20) on 2021-08-31. The tracker saw it removed from registration on 2021-08-10 (20 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.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210831.gz","retrieved_at":"2026-10-12T23:52:22+00:00","summary":"Found by comparing APNIC's daily statistics: 150.107.124.0/24 reserved on 2021-08-30, allocated on 2021-08-31"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210830.gz","retrieved_at":"2026-10-12T23:52:18+00:00","summary":"APNIC delegated statistics 2021-08-30, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210831.gz","retrieved_at":"2026-10-12T23:52:22+00:00","summary":"APNIC delegated statistics 2021-08-31, after the change: allocated (dated 2014-06-20)"}]},{"event_id":"245779df0e291dbc","registry":"APNIC","report_date":"2021-08-10","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"150.107.124.0/24","start":"150.107.124.0","end":"150.107.124.255","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":"2026-10-14T00:12:41+00:00","page":"https://rirtracker.com/ip/150.107.124.0-150.107.124.255/#e-245779df0e291dbc","report_page":"https://rirtracker.com/apnic/reports/2021-08-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/150.107.124.0-150.107.124.255.json","observed":"150.107.124.0/24 allocated on 2021-08-10, reserved on 2021-08-11","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2022-08-10","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 allocated (dated 2014-06-20) on 2021-08-10 and reserved on 2021-08-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2022-08-10. That is what APNIC has done, not a rule it states. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210811.gz","retrieved_at":"2026-10-12T23:50:58+00:00","summary":"Found by comparing APNIC's daily statistics: 150.107.124.0/24 allocated on 2021-08-10, reserved on 2021-08-11"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210810.gz","retrieved_at":"2026-10-12T23:50:54+00:00","summary":"APNIC delegated statistics 2021-08-10, before the change: allocated (dated 2014-06-20)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210811.gz","retrieved_at":"2026-10-12T23:50:58+00:00","summary":"APNIC delegated statistics 2021-08-11, after the change: reserved"}]}],"classification_history":{"6c55b391e9eae5a4":[{"raw_change_id":575302,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Hammerhead Resources Inc. (ARIN) to Whitecap Resources Inc. (ARIN) on 2026-01-15 19:41 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."}],"e426991c66abda8f":[{"raw_change_id":39471,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:31+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Divinetworks Ltd. (APNIC) to HR-233 (ARIN) on 2023-02-07 22:19 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":39471,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:00+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Divinetworks Ltd. (APNIC) to HR-233 (ARIN) on 2023-02-07 22:19 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":39471,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:11+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Divinetworks Ltd. (APNIC) to HR-233 (ARIN) on 2023-02-07 22:19 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":39471,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:47+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Divinetworks Ltd. (APNIC) to HR-233 (ARIN) on 2023-02-07 22:19 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"b879d466121d31cf":[{"raw_change_id":180100,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:58:00+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN) on 2023-02-07 14:12 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":180100,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:23+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN) on 2023-02-07 14:12 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":180100,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN) on 2023-02-07 14:12 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":180100,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:36+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Divinetworks Ltd. (APNIC) to Hammerhead Resources Inc. (ARIN) on 2023-02-07 14:12 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}],"350d0f0bd031fc4a":[{"raw_change_id":474442,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:11:36+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2021-08-30 and allocated (dated 2014-06-20) on 2021-08-31. The tracker saw it removed from registration on 2021-08-10 (20 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."},{"raw_change_id":474442,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:22+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2021-08-30 and allocated (dated 2014-06-20) on 2021-08-31. The tracker saw it removed from registration on 2021-08-10 (20 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."},{"raw_change_id":474442,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:29+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2021-08-30 and allocated (dated 2014-06-20) on 2021-08-31. The tracker saw it removed from registration on 2021-08-10 (20 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."},{"raw_change_id":474442,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:47+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2021-08-30 and allocated (dated 2014-06-20) on 2021-08-31. The tracker saw it removed from registration on 2021-08-10 (20 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."}],"245779df0e291dbc":[{"raw_change_id":473194,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:11:04+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 allocated (dated 2014-06-20) on 2021-08-10 and reserved on 2021-08-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":473194,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:17+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 allocated (dated 2014-06-20) on 2021-08-10 and reserved on 2021-08-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":473194,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:24+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 allocated (dated 2014-06-20) on 2021-08-10 and reserved on 2021-08-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":473194,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:41+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 allocated (dated 2014-06-20) on 2021-08-10 and reserved on 2021-08-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2022-08-10. That is what APNIC has done, not a rule it states. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2023-02-07)"}}