{"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":"147.160.152.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/147.160.152.0-147.160.153.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-05-17)"},"current_holder":{"rir":"ARIN","org":"LogicMonitor, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43260,"date":"2026-03-24T17:29:17Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Catchpoint Systems Inc","recipient_org":"LogicMonitor, Inc.","range":"147.160.152.0/23","log":"ARIN"},{"id":17922,"date":"2019-05-17T15:32:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Concurrent Technologies Corporation","recipient_org":"Catchpoint Systems Inc","range":"147.160.152.0/23","log":"ARIN"}],"events":[{"event_id":"7d9a8a15b70abc7d","registry":"ARIN","report_date":"2026-03-24","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"147.160.152.0/23","start":"147.160.152.0","end":"147.160.153.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Catchpoint Systems Inc","recipient_organization":"LogicMonitor, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:27+00:00","page":"https://rirtracker.com/ip/147.160.152.0-147.160.153.255/#e-7d9a8a15b70abc7d","report_page":"https://rirtracker.com/arin/reports/2026-03-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/147.160.152.0-147.160.153.255.json","observed":"Merger/acquisition: Catchpoint Systems Inc (ARIN) to LogicMonitor, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Catchpoint Systems Inc (ARIN) to LogicMonitor, Inc. (ARIN) on 2026-03-24 17:29 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 2026-03-24 17:29 UTC, Catchpoint Systems Inc (ARIN) to LogicMonitor, Inc. (ARIN); resources moved: 147.160.152.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260323","retrieved_at":"2026-10-09T18:58:40+00:00","summary":"ARIN delegated statistics 2026-03-23 (produced 2026-03-23T13:00:49+00:00), before the report: allocated (dated 2019-05-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260325","retrieved_at":"2026-10-09T18:58:47+00:00","summary":"ARIN delegated statistics 2026-03-25 (produced 2026-03-25T13:00:51+00:00), after the report: allocated (dated 2019-05-17)"}]},{"event_id":"be2f924fda9ecb32","registry":"ARIN","report_date":"2019-05-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 147.160.152.0-147.160.153.255","resource_type":"ipv4","resource":"147.160.152.0/23","start":"147.160.152.0","end":"147.160.153.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Concurrent Technologies Corporation","recipient_organization":"Catchpoint Systems Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:30+00:00","page":"https://rirtracker.com/ip/147.160.152.0-147.160.153.255/#e-be2f924fda9ecb32","report_page":"https://rirtracker.com/arin/reports/2019-05-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/147.160.152.0-147.160.153.255.json","piece_of":{"resource":"147.160.0.0/16","page":"https://rirtracker.com/ip/147.160.0.0-147.160.255.255/"},"explanation":"ARIN's transfer log records a transfer from Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN) on 2019-05-17 15:32 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-May/003810.html","retrieved_at":"2026-10-12T18:40:29+00:00","summary":"ARIN-Issued report for 2019-05-17: \"Add 147.160.152.0-147.160.153.255\""},{"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 2019-05-17 15:32 UTC, Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN); resources moved: 147.160.152.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190516.gz","retrieved_at":"2026-10-12T22:05:06+00:00","summary":"ARIN delegated statistics 2019-05-16 (produced 2019-05-16T05:00:13+00:00), before the report: allocated (dated 1991-04-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190519.gz","retrieved_at":"2026-10-12T22:05:14+00:00","summary":"ARIN delegated statistics 2019-05-19 (produced 2019-05-19T14:00:16+00:00), after the report: assigned (dated 2019-05-17)"}]}],"classification_history":{"7d9a8a15b70abc7d":[{"raw_change_id":575729,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Catchpoint Systems Inc (ARIN) to LogicMonitor, Inc. (ARIN) on 2026-03-24 17:29 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."}],"be2f924fda9ecb32":[{"raw_change_id":159718,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:20+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN) on 2019-05-17 15:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159718,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:33+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN) on 2019-05-17 15:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159718,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:16+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN) on 2019-05-17 15:32 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159718,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Concurrent Technologies Corporation (ARIN) to Catchpoint Systems Inc (ARIN) on 2019-05-17 15:32 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 2019-05-17)"}}