{"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":"37.60.128.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/37.60.128.0-37.60.135.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2012-01-18)"},"current_holder":{"rir":"RIPE NCC","org":"Telemach Hrvatska d.o.o.","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":91544,"date":"2022-12-09T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"OT - OPTIMA TELEKOM d.d.","recipient_org":"Telemach Hrvatska d.o.o.","range":"37.60.128.0/21","log":"RIPE NCC"},{"id":55572,"date":"2017-11-29T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"H1 TELEKOM d.d.","recipient_org":"OT - OPTIMA TELEKOM d.d.","range":"37.60.128.0/21","log":"RIPE NCC"}],"events":[{"event_id":"11cec870400e607b","registry":"RIPE NCC","report_date":"2022-12-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"37.60.128.0/21","start":"37.60.128.0","end":"37.60.135.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"OT - OPTIMA TELEKOM d.d.","recipient_organization":"Telemach Hrvatska d.o.o.","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:19+00:00","page":"https://rirtracker.com/ip/37.60.128.0-37.60.135.255/#e-11cec870400e607b","report_page":"https://rirtracker.com/ripe/reports/2022-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/37.60.128.0-37.60.135.255.json","observed":"Merger/acquisition: OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC) on 2022-12-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","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: MERGER_ACQUISITION on 2022-12-09 19:00 UTC, OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC); resources moved: 37.60.128.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20221208.bz2","retrieved_at":"2026-10-12T23:50:42+00:00","summary":"RIPE NCC delegated statistics 2022-12-08 (produced 2022-12-08T22:59:59+00:00), before the change: allocated (dated 2012-01-18)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20221209.bz2","retrieved_at":"2026-10-12T23:50:45+00:00","summary":"RIPE NCC delegated statistics 2022-12-09 (produced 2022-12-09T22:59:59+00:00), after the change: allocated (dated 2012-01-18)"}]},{"event_id":"c4534709c3e2cc4e","registry":"RIPE NCC","report_date":"2017-11-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"37.60.128.0/21","start":"37.60.128.0","end":"37.60.135.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"H1 TELEKOM d.d.","recipient_organization":"OT - OPTIMA TELEKOM d.d.","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:25+00:00","page":"https://rirtracker.com/ip/37.60.128.0-37.60.135.255/#e-c4534709c3e2cc4e","report_page":"https://rirtracker.com/ripe/reports/2017-11-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/37.60.128.0-37.60.135.255.json","observed":"Merger/acquisition: H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC) on 2017-11-29 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","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: MERGER_ACQUISITION on 2017-11-29 19:00 UTC, H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC); resources moved: 37.60.128.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2017/delegated-ripencc-extended-20171128.bz2","retrieved_at":"2026-10-12T21:33:28+00:00","summary":"RIPE NCC delegated statistics 2017-11-28 (produced 2017-11-28T22:59:59+00:00), before the change: allocated (dated 2012-01-18)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2017/delegated-ripencc-extended-20171129.bz2","retrieved_at":"2026-10-12T21:33:32+00:00","summary":"RIPE NCC delegated statistics 2017-11-29 (produced 2017-11-29T22:59:59+00:00), after the change: allocated (dated 2012-01-18)"}]},{"event_id":"012e6e2682310095","registry":"RIPE NCC","report_date":"2012-01-18","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"37.60.128.0/21","start":"37.60.128.0","end":"37.60.135.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:59+00:00","page":"https://rirtracker.com/ip/37.60.128.0-37.60.135.255/#e-012e6e2682310095","report_page":"https://rirtracker.com/ripe/reports/2012-01-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/37.60.128.0-37.60.135.255.json","observed":"37.60.128.0/21 available on 2012-01-17, allocated on 2012-01-18","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2012-01-17 and allocated (dated 2012-01-18) on 2012-01-18. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120118.bz2","retrieved_at":"2026-10-12T19:10:03+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 37.60.128.0/21 available on 2012-01-17, allocated on 2012-01-18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120117.bz2","retrieved_at":"2026-10-12T19:10:01+00:00","summary":"RIPE NCC delegated statistics 2012-01-17 (produced 2012-01-17T22:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120118.bz2","retrieved_at":"2026-10-12T19:10:03+00:00","summary":"RIPE NCC delegated statistics 2012-01-18 (produced 2012-01-18T22:59:59+00:00), after the change: allocated (dated 2012-01-18)"}]}],"classification_history":{"11cec870400e607b":[{"raw_change_id":91943,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:59:17+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC) on 2022-12-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":91943,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:06+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC) on 2022-12-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":91943,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:31+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC) on 2022-12-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":91943,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:19+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from OT - OPTIMA TELEKOM d.d. (RIPE NCC) to Telemach Hrvatska d.o.o. (RIPE NCC) on 2022-12-09 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"c4534709c3e2cc4e":[{"raw_change_id":54782,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:43:41+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC) on 2017-11-29 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":54782,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:32+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC) on 2017-11-29 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":54782,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:47+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC) on 2017-11-29 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":54782,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:25+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from H1 TELEKOM d.d. (RIPE NCC) to OT - OPTIMA TELEKOM d.d. (RIPE NCC) on 2017-11-29 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"012e6e2682310095":[{"raw_change_id":221004,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:17:04+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2012-01-17 and allocated (dated 2012-01-18) on 2012-01-18. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":221004,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:18+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2012-01-17 and allocated (dated 2012-01-18) on 2012-01-18. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":221004,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:19+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2012-01-17 and allocated (dated 2012-01-18) on 2012-01-18. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":221004,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:59+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2012-01-17 and allocated (dated 2012-01-18) on 2012-01-18. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."}]},"arin_statistics_now":{"status":"not listed"}}