{"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":"192.153.60.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.153.60.0-192.153.63.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1992-03-31)"},"current_holder":{"rir":"RIPE NCC","org":"Ori Industries 1 Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":73193,"date":"2020-10-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Ori Industries 1 Limited","range":"192.153.60.0/22","log":"RIPE NCC"},{"id":21797,"date":"2020-10-28T14:46:46Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"E.I. du Pont de Nemours and Co., Inc.","recipient_org":"Ori Industries 1 Limited","range":"192.153.60.0/22","log":"ARIN"}],"events":[{"event_id":"b5197893edbfae35","registry":"ARIN","report_date":"2020-10-28","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.153.60.0/22","start":"192.153.60.0","end":"192.153.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"E.I. du Pont de Nemours and Co., Inc.","recipient_organization":"Ori Industries 1 Limited","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":"2026-10-14T00:07:35+00:00","page":"https://rirtracker.com/ip/192.153.60.0-192.153.63.255/#e-b5197893edbfae35","report_page":"https://rirtracker.com/arin/reports/2020-10-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.153.60.0-192.153.63.255.json","observed":"192.153.60.0/22 assigned on 2020-10-28, not listed on 2020-10-29","same_transfer_as":"c1daa05195c1279d","explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 14:46 UTC: it left ARIN for the RIPE NCC. 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/2020/delegated-arin-extended-20201029.gz","retrieved_at":"2026-10-12T22:32:37+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.153.60.0/22 assigned on 2020-10-28, not listed on 2020-10-29"},{"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 2020-10-28 14:46 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC); resources moved: 192.153.60.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201027.gz","retrieved_at":"2026-10-12T22:32:31+00:00","summary":"ARIN delegated statistics 2020-10-27 (produced 2020-10-27T14:00:13+00:00), before the report: assigned (dated 1992-03-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201029.gz","retrieved_at":"2026-10-12T22:32:37+00:00","summary":"ARIN delegated statistics 2020-10-29 (produced 2020-10-29T14:00:13+00:00), after the report: not listed"}]},{"event_id":"c1daa05195c1279d","registry":"RIPE NCC","report_date":"2020-10-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.153.60.0/22","start":"192.153.60.0","end":"192.153.63.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Ori Industries 1 Limited","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:21+00:00","page":"https://rirtracker.com/ip/192.153.60.0-192.153.63.255/#e-c1daa05195c1279d","report_page":"https://rirtracker.com/ripe/reports/2020-10-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.153.60.0-192.153.63.255.json","observed":"Transfer: (no name) (ARIN) to Ori Industries 1 Limited (RIPE NCC)","same_transfer_as":"b5197893edbfae35","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2020-10-28 19:00 UTC, (no name) (ARIN) to Ori Industries 1 Limited (RIPE NCC); resources moved: 192.153.60.0/22"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201027.bz2","retrieved_at":"2026-10-12T22:53:19+00:00","summary":"RIPE NCC delegated statistics 2020-10-27 (produced 2020-10-27T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201028.bz2","retrieved_at":"2026-10-12T22:53:22+00:00","summary":"RIPE NCC delegated statistics 2020-10-28 (produced 2020-10-28T22:59:59+00:00), after the change: assigned (dated 1992-03-31)"}]},{"event_id":"883ca62b5d4ea312","registry":"ARIN","report_date":"2020-10-21","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.153.60.0/22","start":"192.153.60.0","end":"192.153.63.255","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":"2026-10-14T00:07:32+00:00","page":"https://rirtracker.com/ip/192.153.60.0-192.153.63.255/#e-883ca62b5d4ea312","report_page":"https://rirtracker.com/arin/reports/2020-10-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.153.60.0-192.153.63.255.json","observed":"192.153.60.0/22 assigned on 2020-10-21, available on 2020-10-22","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":"2020-12-20","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 1992-03-31) on 2020-10-20 and available on 2020-10-22. 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 2020-12-20. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201022.gz","retrieved_at":"2026-10-12T22:32:10+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.153.60.0/22 assigned on 2020-10-21, available on 2020-10-22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201020.gz","retrieved_at":"2026-10-12T22:32:05+00:00","summary":"ARIN delegated statistics 2020-10-20 (produced 2020-10-20T14:00:14+00:00), before the report: assigned (dated 1992-03-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201022.gz","retrieved_at":"2026-10-12T22:32:10+00:00","summary":"ARIN delegated statistics 2020-10-22 (produced 2020-10-22T14:00:13+00:00), after the report: available"},{"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 2020-10-19 19:18 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to BL Networks (ARIN); resources moved: 192.153.57.0/24"},{"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 2020-10-21 19:27 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to Joe Wheeler EMC (ARIN); resources moved: 192.153.72.0/22"},{"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 2020-10-23 20:14 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to OCULUS SOLUTIONS LLC (ARIN); resources moved: 192.153.64.0/21"}]}],"classification_history":{"b5197893edbfae35":[{"raw_change_id":404042,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:41:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 14:46 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":404042,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 14:46 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":404042,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 14:46 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":404042,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 14:46 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"c1daa05195c1279d":[{"raw_change_id":73061,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:51:33+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":73061,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:20+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":73061,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:39+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":73061,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:21+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Ori Industries 1 Limited (RIPE NCC) on 2020-10-28 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"883ca62b5d4ea312":[{"raw_change_id":403480,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:41:44+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 1992-03-31) on 2020-10-20 and available on 2020-10-22. 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 2020-12-20. This does not confirm availability."},{"raw_change_id":403480,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:06+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 1992-03-31) on 2020-10-20 and available on 2020-10-22. 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 2020-12-20. This does not confirm availability."},{"raw_change_id":403480,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:55+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 1992-03-31) on 2020-10-20 and available on 2020-10-22. 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 2020-12-20. This does not confirm availability."},{"raw_change_id":403480,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:32+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 1992-03-31) on 2020-10-20 and available on 2020-10-22. 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 2020-12-20. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}