{"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":"205.159.31.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/205.159.31.0-205.159.31.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2025-01-23)"},"current_holder":{"rir":"LACNIC","org":"Devel Group","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":38564,"date":"2025-01-23T16:02:49Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"LACNIC","source_org":"Irvine Software Company, LLC","recipient_org":"Devel Group","range":"205.159.31.0/24","log":"ARIN"},{"id":132727,"date":"2025-01-23T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"LACNIC","source_org":"Irvine Software Company, LLC","recipient_org":"DEVEL SECURITY, S.A.","range":"205.159.31.0/24","log":"LACNIC"},{"id":32897,"date":"2023-09-11T14:17:22Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"R.B. Zack & Associates Inc.","recipient_org":"Irvine Software Company, LLC","range":"205.159.31.0/24","log":"ARIN"}],"events":[{"event_id":"2592ded14a4d92c1","registry":"ARIN","report_date":"2025-01-23","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"205.159.31.0/24","start":"205.159.31.0","end":"205.159.31.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"LACNIC","source_organization":"Irvine Software Company, LLC","recipient_organization":"Devel Group","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:50+00:00","page":"https://rirtracker.com/ip/205.159.31.0-205.159.31.255/#e-2592ded14a4d92c1","report_page":"https://rirtracker.com/arin/reports/2025-01-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.159.31.0-205.159.31.255.json","observed":"205.159.31.0/24 allocated on 2025-01-23, not listed on 2025-01-24","same_transfer_as":"49502de9b6babb70","explanation":"ARIN's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC) on 2025-01-23 16:02 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250124.gz","retrieved_at":"2026-10-12T23:53:44+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 205.159.31.0/24 allocated on 2025-01-23, not listed on 2025-01-24"},{"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 2025-01-23 16:02 UTC, Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC); resources moved: 205.159.31.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250122.gz","retrieved_at":"2026-10-12T23:53:28+00:00","summary":"ARIN delegated statistics 2025-01-22 (produced 2025-01-22T14:01:06+00:00), before the report: allocated (dated 2023-09-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250124.gz","retrieved_at":"2026-10-12T23:53:44+00:00","summary":"ARIN delegated statistics 2025-01-24 (produced 2025-01-24T14:01:06+00:00), after the report: not listed"}]},{"event_id":"49502de9b6babb70","registry":"LACNIC","report_date":"2025-01-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"205.159.31.0/24","start":"205.159.31.0","end":"205.159.31.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into LACNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"LACNIC","source_organization":"Irvine Software Company, LLC","recipient_organization":"DEVEL SECURITY, S.A.","inventory_effect":"Transferred into LACNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:27+00:00","page":"https://rirtracker.com/ip/205.159.31.0-205.159.31.255/#e-49502de9b6babb70","report_page":"https://rirtracker.com/lacnic/reports/2025-01-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.159.31.0-205.159.31.255.json","observed":"Transfer: Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC)","same_transfer_as":"2592ded14a4d92c1","explanation":"LACNIC's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC) on 2025-01-23 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.lacnic.net/pub/stats/lacnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:38+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-01-23 13:00 UTC, Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC); resources moved: 205.159.31.0/24"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250122","retrieved_at":"2026-10-13T01:58:58+00:00","summary":"LACNIC delegated statistics 2025-01-22, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2025/delegated-lacnic-extended-20250123","retrieved_at":"2026-10-13T01:59:03+00:00","summary":"LACNIC delegated statistics 2025-01-23, after the change: allocated (dated 2025-01-23)"}]},{"event_id":"3e3ba6aed53643e5","registry":"ARIN","report_date":"2023-09-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 205.159.31.0-205.159.31.255","resource_type":"ipv4","resource":"205.159.31.0/24","start":"205.159.31.0","end":"205.159.31.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"R.B. Zack & Associates Inc.","recipient_organization":"Irvine Software Company, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:49+00:00","page":"https://rirtracker.com/ip/205.159.31.0-205.159.31.255/#e-3e3ba6aed53643e5","report_page":"https://rirtracker.com/arin/reports/2023-09-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.159.31.0-205.159.31.255.json","explanation":"ARIN's transfer log records a transfer from R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN) on 2023-09-11 14:17 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/2023-September/005386.html","retrieved_at":"2026-10-12T18:42:19+00:00","summary":"ARIN-Issued report for 2023-09-11: \"Add 205.159.31.0-205.159.31.255\""},{"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 2023-09-11 14:17 UTC, R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN); resources moved: 205.159.31.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230910.gz","retrieved_at":"2026-10-12T23:26:54+00:00","summary":"ARIN delegated statistics 2023-09-10 (produced 2023-09-10T13:00:13+00:00), before the report: allocated (dated 1995-03-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230912.gz","retrieved_at":"2026-10-12T23:26:58+00:00","summary":"ARIN delegated statistics 2023-09-12 (produced 2023-09-12T13:00:12+00:00), after the report: allocated (dated 2023-09-11)"}]}],"classification_history":{"2592ded14a4d92c1":[{"raw_change_id":474982,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:11:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC) on 2025-01-23 16:02 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474982,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC) on 2025-01-23 16:02 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474982,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC) on 2025-01-23 16:02 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":474982,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:12:50+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to Devel Group (LACNIC) on 2025-01-23 16:02 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"49502de9b6babb70":[{"raw_change_id":31157,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:44+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC) on 2025-01-23 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":31157,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:44+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC) on 2025-01-23 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":31157,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:53+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC) on 2025-01-23 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":31157,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:27+00:00","current":1,"public_explanation":"LACNIC's transfer log records a transfer from Irvine Software Company, LLC (ARIN) to DEVEL SECURITY, S.A. (LACNIC) on 2025-01-23 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"3e3ba6aed53643e5":[{"raw_change_id":183359,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:58+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN) on 2023-09-11 14:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":183359,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:32+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN) on 2023-09-11 14:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":183359,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:23+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN) on 2023-09-11 14:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":183359,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:49+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from R.B. Zack & Associates Inc. (ARIN) to Irvine Software Company, LLC (ARIN) on 2023-09-11 14:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"not listed"}}