{"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":"192.107.242.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.107.242.0-192.107.242.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-05-12)"},"current_holder":{"rir":"ARIN","org":"Massachusetts Eye and Ear Infirmary","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":6928,"date":"2016-05-12T21:16:49Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Oak Point Partners Inc","recipient_org":"Massachusetts Eye and Ear Infirmary","range":"192.107.242.0/24","log":"ARIN"},{"id":6719,"date":"2016-04-06T17:58:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Quintus Corporation","recipient_org":"Oak Point Partners Inc","range":"192.107.242.0/24","log":"ARIN"}],"events":[{"event_id":"d9b973f01533a447","registry":"ARIN","report_date":"2021-07-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.107.242.0/24","start":"192.107.242.0","end":"192.107.242.255","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":"2026-10-14T00:08:18+00:00","page":"https://rirtracker.com/ip/192.107.242.0-192.107.242.255/#e-d9b973f01533a447","report_page":"https://rirtracker.com/arin/reports/2021-07-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.107.242.0-192.107.242.255.json","observed":"192.107.242.0/24 assigned on 2021-07-05, reserved on 2021-07-06","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":"2021-09-03","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 assigned (dated 2016-05-12) on 2021-07-04 and reserved on 2021-07-06. 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 2021-09-03. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210706.gz","retrieved_at":"2026-10-12T22:45:23+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.107.242.0/24 assigned on 2021-07-05, reserved on 2021-07-06"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210704.gz","retrieved_at":"2026-10-12T22:45:18+00:00","summary":"ARIN delegated statistics 2021-07-04 (produced 2021-07-04T14:00:13+00:00), before the report: assigned (dated 2016-05-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210706.gz","retrieved_at":"2026-10-12T22:45:23+00:00","summary":"ARIN delegated statistics 2021-07-06 (produced 2021-07-06T14:00:14+00:00), after the report: reserved"}]},{"event_id":"cb392f0a943bbfe4","registry":"ARIN","report_date":"2016-05-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.107.242.0-192.107.242.255","resource_type":"ipv4","resource":"192.107.242.0/24","start":"192.107.242.0","end":"192.107.242.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Oak Point Partners Inc","recipient_organization":"Massachusetts Eye and Ear Infirmary","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:34+00:00","page":"https://rirtracker.com/ip/192.107.242.0-192.107.242.255/#e-cb392f0a943bbfe4","report_page":"https://rirtracker.com/arin/reports/2016-05-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.107.242.0-192.107.242.255.json","explanation":"ARIN's transfer log records a transfer from Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN) on 2016-05-12 21:16 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/2016-May/002709.html","retrieved_at":"2026-10-12T18:39:13+00:00","summary":"ARIN-Issued report for 2016-05-12: \"Add 192.107.242.0-192.107.242.255\""},{"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 2016-05-12 21:16 UTC, Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN); resources moved: 192.107.242.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160511.gz","retrieved_at":"2026-10-12T21:10:11+00:00","summary":"ARIN delegated statistics 2016-05-11 (produced 2016-05-11T05:05:06+00:00), before the report: assigned (dated 1991-06-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160513.gz","retrieved_at":"2026-10-12T21:10:22+00:00","summary":"ARIN delegated statistics 2016-05-13 (produced 2016-05-13T05:05:07+00:00), after the report: assigned (dated 2016-05-12)"}]},{"event_id":"d3350bce57b4f47a","registry":"ARIN","report_date":"2016-04-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.107.242.0/24","start":"192.107.242.0","end":"192.107.242.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Quintus Corporation","recipient_organization":"Oak Point Partners Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","page":"https://rirtracker.com/ip/192.107.242.0-192.107.242.255/#e-d3350bce57b4f47a","report_page":"https://rirtracker.com/arin/reports/2016-04-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.107.242.0-192.107.242.255.json","observed":"Merger/acquisition: Quintus Corporation (ARIN) to Oak Point Partners Inc (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Quintus Corporation (ARIN) to Oak Point Partners Inc (ARIN) on 2016-04-06 17:58 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 2016-04-06 17:58 UTC, Quintus Corporation (ARIN) to Oak Point Partners Inc (ARIN); resources moved: 192.107.242.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160405.gz","retrieved_at":"2026-10-12T21:08:31+00:00","summary":"ARIN delegated statistics 2016-04-05 (produced 2016-04-05T05:05:13+00:00), before the report: assigned (dated 1991-06-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160407.gz","retrieved_at":"2026-10-12T21:08:35+00:00","summary":"ARIN delegated statistics 2016-04-07 (produced 2016-04-07T05:04:56+00:00), after the report: assigned (dated 1991-06-04)"}]}],"classification_history":{"d9b973f01533a447":[{"raw_change_id":414160,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:46:09+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 assigned (dated 2016-05-12) on 2021-07-04 and reserved on 2021-07-06. 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 2021-09-03. This does not confirm availability."},{"raw_change_id":414160,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:44+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 assigned (dated 2016-05-12) on 2021-07-04 and reserved on 2021-07-06. 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 2021-09-03. This does not confirm availability."},{"raw_change_id":414160,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:36+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 assigned (dated 2016-05-12) on 2021-07-04 and reserved on 2021-07-06. 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 2021-09-03. This does not confirm availability."},{"raw_change_id":414160,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:18+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 assigned (dated 2016-05-12) on 2021-07-04 and reserved on 2021-07-06. 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 2021-09-03. This does not confirm availability."}],"cb392f0a943bbfe4":[{"raw_change_id":145104,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:19+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN) on 2016-05-12 21:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145104,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN) on 2016-05-12 21:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145104,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN) on 2016-05-12 21:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145104,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Oak Point Partners Inc (ARIN) to Massachusetts Eye and Ear Infirmary (ARIN) on 2016-05-12 21:16 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"d3350bce57b4f47a":[{"raw_change_id":550027,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Quintus Corporation (ARIN) to Oak Point Partners Inc (ARIN) on 2016-04-06 17:58 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."}]},"arin_statistics_now":{"status":"allocated (dated 2016-05-12)"}}