{"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":"158.120.80.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/158.120.80.0-158.120.87.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1992-02-28)"},"current_holder":{"rir":"APNIC","org":"Sand Dune Mail Ltd","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":29263,"date":"2022-09-26T17:52:36Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"City of Colorado Springs","recipient_org":"Sand Dune Mail Ltd","range":"158.120.80.0/21","log":"ARIN"},{"id":128175,"date":"2022-09-25T23:08:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"CCS-29","recipient_org":"Sand Dune Mail Ltd","range":"158.120.80.0/21","log":"APNIC"}],"events":[{"event_id":"f643956e6f366587","registry":"ARIN","report_date":"2022-09-26","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"158.120.80.0/21","start":"158.120.80.0","end":"158.120.87.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"City of Colorado Springs","recipient_organization":"Sand Dune Mail Ltd","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":"2026-10-14T00:09:45+00:00","page":"https://rirtracker.com/ip/158.120.80.0-158.120.87.255/#e-f643956e6f366587","report_page":"https://rirtracker.com/arin/reports/2022-09-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/158.120.80.0-158.120.87.255.json","observed":"158.120.80.0/21 allocated on 2022-09-26, not listed on 2022-09-27","same_transfer_as":"b424856fb7deb2e8","explanation":"ARIN's transfer log records a transfer from City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-26 17:52 UTC: it left ARIN for APNIC. 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/2022/delegated-arin-extended-20220927.gz","retrieved_at":"2026-10-12T23:08:28+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 158.120.80.0/21 allocated on 2022-09-26, not listed on 2022-09-27"},{"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 2022-09-26 17:52 UTC, City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC); resources moved: 158.120.80.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220925.gz","retrieved_at":"2026-10-12T23:08:24+00:00","summary":"ARIN delegated statistics 2022-09-25 (produced 2022-09-25T13:00:10+00:00), before the report: allocated (dated 1992-02-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220927.gz","retrieved_at":"2026-10-12T23:08:28+00:00","summary":"ARIN delegated statistics 2022-09-27 (produced 2022-09-27T13:00:10+00:00), after the report: not listed"}]},{"event_id":"b424856fb7deb2e8","registry":"APNIC","report_date":"2022-09-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"158.120.80.0/21","start":"158.120.80.0","end":"158.120.87.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"CCS-29","recipient_organization":"Sand Dune Mail Ltd","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:46+00:00","page":"https://rirtracker.com/ip/158.120.80.0-158.120.87.255/#e-b424856fb7deb2e8","report_page":"https://rirtracker.com/apnic/reports/2022-09-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/158.120.80.0-158.120.87.255.json","observed":"Transfer: CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC)","same_transfer_as":"f643956e6f366587","explanation":"APNIC's transfer log records a transfer from CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-25 23:08 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","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 2022-09-25 23:08 UTC, CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC); resources moved: 158.120.80.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220926.gz","retrieved_at":"2026-10-13T00:22:23+00:00","summary":"APNIC delegated statistics 2022-09-26, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220927.gz","retrieved_at":"2026-10-13T00:22:26+00:00","summary":"APNIC delegated statistics 2022-09-27, after the change: allocated (dated 1992-02-28)"}]}],"classification_history":{"f643956e6f366587":[{"raw_change_id":434057,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:53:50+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-26 17:52 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":434057,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-26 17:52 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":434057,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-26 17:52 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":434057,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:45+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from City of Colorado Springs (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-26 17:52 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"b424856fb7deb2e8":[{"raw_change_id":39119,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:21+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-25 23:08 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39119,"classification_code":"INTER_RIR_TRANSFER_IN","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 CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-25 23:08 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39119,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:10+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-25 23:08 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39119,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:46+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from CCS-29 (ARIN) to Sand Dune Mail Ltd (APNIC) on 2022-09-25 23:08 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}