{"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":"137.83.91.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/137.83.91.0-137.83.91.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-03-05)"},"current_holder":{"rir":"ARIN","org":"GMCHOSTING LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":17037,"date":"2019-03-05T15:44:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Northeast Technology Solutions, LLC","recipient_org":"GMCHOSTING LLC","range":"137.83.91.0/24","log":"ARIN"},{"id":16521,"date":"2018-12-05T13:45:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OMNOVA Solutions Inc","recipient_org":"Northeast Technology Solutions, LLC","range":"137.83.0.0/16","log":"ARIN"}],"events":[{"event_id":"6f440fffdb021e20","registry":"ARIN","report_date":"2023-01-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"137.83.91.0/24","start":"137.83.91.0","end":"137.83.91.255","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":"2026-10-14T00:10:08+00:00","page":"https://rirtracker.com/ip/137.83.91.0-137.83.91.255/#e-6f440fffdb021e20","report_page":"https://rirtracker.com/arin/reports/2023-01-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/137.83.91.0-137.83.91.255.json","observed":"137.83.91.0/24 allocated on 2023-01-09, reserved on 2023-01-10","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":"2023-03-10","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 2019-03-05) on 2023-01-08 and reserved on 2023-01-10. 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 2023-03-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230110.gz","retrieved_at":"2026-10-12T23:13:58+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 137.83.91.0/24 allocated on 2023-01-09, reserved on 2023-01-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230108.gz","retrieved_at":"2026-10-12T23:13:53+00:00","summary":"ARIN delegated statistics 2023-01-08 (produced 2023-01-08T14:00:11+00:00), before the report: allocated (dated 2019-03-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230110.gz","retrieved_at":"2026-10-12T23:13:58+00:00","summary":"ARIN delegated statistics 2023-01-10 (produced 2023-01-10T14:00:11+00:00), after the report: reserved"}]},{"event_id":"1a6c852b9a351b26","registry":"ARIN","report_date":"2019-03-05","source":"arin_issued","raw_action":"ADD","raw_line":"Add 137.83.91.0-137.83.91.255","resource_type":"ipv4","resource":"137.83.91.0/24","start":"137.83.91.0","end":"137.83.91.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Northeast Technology Solutions, LLC","recipient_organization":"GMCHOSTING LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:27+00:00","page":"https://rirtracker.com/ip/137.83.91.0-137.83.91.255/#e-1a6c852b9a351b26","report_page":"https://rirtracker.com/arin/reports/2019-03-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/137.83.91.0-137.83.91.255.json","piece_of":{"resource":"137.83.0.0/16","page":"https://rirtracker.com/ip/137.83.0.0-137.83.255.255/"},"explanation":"ARIN's transfer log records a transfer from Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN) on 2019-03-05 15:44 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/2019-March/003737.html","retrieved_at":"2026-10-12T18:40:24+00:00","summary":"ARIN-Issued report for 2019-03-05: \"Add 137.83.91.0-137.83.91.255\""},{"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 2019-03-05 15:44 UTC, Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN); resources moved: 137.83.91.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190304.gz","retrieved_at":"2026-10-12T22:01:20+00:00","summary":"ARIN delegated statistics 2019-03-04 (produced 2019-03-04T06:00:17+00:00), before the report: assigned (dated 1989-11-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190306.gz","retrieved_at":"2026-10-12T22:01:25+00:00","summary":"ARIN delegated statistics 2019-03-06 (produced 2019-03-06T06:00:16+00:00), after the report: allocated (dated 2019-03-05)"}]}],"classification_history":{"6f440fffdb021e20":[{"raw_change_id":439338,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:56:00+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 2019-03-05) on 2023-01-08 and reserved on 2023-01-10. 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 2023-03-10. This does not confirm availability."},{"raw_change_id":439338,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:16+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 2019-03-05) on 2023-01-08 and reserved on 2023-01-10. 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 2023-03-10. This does not confirm availability."},{"raw_change_id":439338,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:14+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 2019-03-05) on 2023-01-08 and reserved on 2023-01-10. 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 2023-03-10. This does not confirm availability."},{"raw_change_id":439338,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:08+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 2019-03-05) on 2023-01-08 and reserved on 2023-01-10. 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 2023-03-10. This does not confirm availability."}],"1a6c852b9a351b26":[{"raw_change_id":158870,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:43:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN) on 2019-03-05 15:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":158870,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN) on 2019-03-05 15:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":158870,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN) on 2019-03-05 15:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":158870,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Northeast Technology Solutions, LLC (ARIN) to GMCHOSTING LLC (ARIN) on 2019-03-05 15:44 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2019-03-05)"}}