{"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":"91.228.58.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/91.228.58.0-91.228.59.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2011-05-24)"},"current_holder":{"rir":"RIPE NCC","org":"Communal institution \"Office of Digital Transformation of Odesa City Council\"","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":103279,"date":"2024-03-05T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Communal Enterprise Municipal Information Analytical Center","recipient_org":"Communal institution \"Office of Digital Transformation of Odesa City Council\"","range":"91.228.58.0/23","log":"RIPE NCC"}],"events":[{"event_id":"533442c390661890","registry":"RIPE NCC","report_date":"2024-03-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"91.228.58.0/23","start":"91.228.58.0","end":"91.228.59.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Communal Enterprise Municipal Information Analytical Center","recipient_organization":"Communal institution \"Office of Digital Transformation of Odesa City Council\"","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:56+00:00","page":"https://rirtracker.com/ip/91.228.58.0-91.228.59.255/#e-533442c390661890","report_page":"https://rirtracker.com/ripe/reports/2024-03-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/91.228.58.0-91.228.59.255.json","observed":"Merger/acquisition: Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC) on 2024-03-05 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 2024-03-05 19:00 UTC, Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC); resources moved: 91.228.58.0/23"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240304.bz2","retrieved_at":"2026-10-13T00:25:00+00:00","summary":"RIPE NCC delegated statistics 2024-03-04 (produced 2024-03-04T22:59:59+00:00), before the change: assigned (dated 2011-05-24)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240305.bz2","retrieved_at":"2026-10-13T00:25:03+00:00","summary":"RIPE NCC delegated statistics 2024-03-05 (produced 2024-03-05T22:59:59+00:00), after the change: assigned (dated 2011-05-24)"}]},{"event_id":"ef5e01e5d655c3da","registry":"RIPE NCC","report_date":"2011-05-25","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"91.228.58.0/23","start":"91.228.58.0","end":"91.228.59.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-13T23:55:26+00:00","page":"https://rirtracker.com/ip/91.228.58.0-91.228.59.255/#e-ef5e01e5d655c3da","report_page":"https://rirtracker.com/ripe/reports/2011-05-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/91.228.58.0-91.228.59.255.json","observed":"91.228.58.0/23 available on 2011-05-24, assigned on 2011-05-25","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-05-24 and assigned (dated 2011-05-24) on 2011-05-25. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110525.bz2","retrieved_at":"2026-10-12T18:57:27+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 91.228.58.0/23 available on 2011-05-24, assigned on 2011-05-25"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110524.bz2","retrieved_at":"2026-10-12T18:57:24+00:00","summary":"RIPE NCC delegated statistics 2011-05-24, before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110525.bz2","retrieved_at":"2026-10-12T18:57:27+00:00","summary":"RIPE NCC delegated statistics 2011-05-25, after the change: assigned (dated 2011-05-24)"}]}],"classification_history":{"533442c390661890":[{"raw_change_id":103838,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:04:20+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC) on 2024-03-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":103838,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:35+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC) on 2024-03-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":103838,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:04+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC) on 2024-03-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":103838,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:56+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Communal Enterprise Municipal Information Analytical Center (RIPE NCC) to Communal institution \"Office of Digital Transformation of Odesa City Council\" (RIPE NCC) on 2024-03-05 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"ef5e01e5d655c3da":[{"raw_change_id":211501,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:13:01+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-05-24 and assigned (dated 2011-05-24) on 2011-05-25. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":211501,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:50+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-05-24 and assigned (dated 2011-05-24) on 2011-05-25. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":211501,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:48+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-05-24 and assigned (dated 2011-05-24) on 2011-05-25. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":211501,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:26+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-05-24 and assigned (dated 2011-05-24) on 2011-05-25. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}