{"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":"195.128.133.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/195.128.133.0-195.128.133.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-04-05)"},"current_holder":{"rir":"RIPE NCC","org":"Mikhail Tonkonog","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":102135,"date":"2024-02-06T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Tentorium LLC","recipient_org":"Mikhail Tonkonog","range":"195.128.133.0/24","log":"RIPE NCC"},{"id":75794,"date":"2021-01-21T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Tentorium Welnes LLC","recipient_org":"Tentorium LLC","range":"195.128.133.0/24","log":"RIPE NCC"},{"id":61912,"date":"2018-12-27T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Tentorium Ltd","recipient_org":"Tentorium Welnes LLC","range":"195.128.133.0/24","log":"RIPE NCC"}],"events":[{"event_id":"c7921df97102483f","registry":"RIPE NCC","report_date":"2024-02-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"195.128.133.0/24","start":"195.128.133.0","end":"195.128.133.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Tentorium LLC","recipient_organization":"Mikhail Tonkonog","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:53+00:00","page":"https://rirtracker.com/ip/195.128.133.0-195.128.133.255/#e-c7921df97102483f","report_page":"https://rirtracker.com/ripe/reports/2024-02-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/195.128.133.0-195.128.133.255.json","observed":"Transfer: Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC) on 2024-02-06 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: RESOURCE_TRANSFER on 2024-02-06 19:00 UTC, Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC); resources moved: 195.128.133.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240205.bz2","retrieved_at":"2026-10-13T00:22:53+00:00","summary":"RIPE NCC delegated statistics 2024-02-05 (produced 2024-02-05T22:59:59+00:00), before the change: allocated (dated 2011-04-05)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240206.bz2","retrieved_at":"2026-10-13T00:22:56+00:00","summary":"RIPE NCC delegated statistics 2024-02-06 (produced 2024-02-06T22:59:59+00:00), after the change: allocated (dated 2011-04-05)"}]},{"event_id":"c9b12e7ca08ba011","registry":"RIPE NCC","report_date":"2021-01-21","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"195.128.133.0/24","start":"195.128.133.0","end":"195.128.133.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Tentorium Welnes LLC","recipient_organization":"Tentorium LLC","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:29+00:00","page":"https://rirtracker.com/ip/195.128.133.0-195.128.133.255/#e-c9b12e7ca08ba011","report_page":"https://rirtracker.com/ripe/reports/2021-01-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/195.128.133.0-195.128.133.255.json","observed":"Merger/acquisition: Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC) on 2021-01-21 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 2021-01-21 19:00 UTC, Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC); resources moved: 195.128.133.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210120.bz2","retrieved_at":"2026-10-12T22:59:29+00:00","summary":"RIPE NCC delegated statistics 2021-01-20 (produced 2021-01-20T22:59:00+00:00), before the change: allocated (dated 2011-04-05)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210121.bz2","retrieved_at":"2026-10-12T22:59:32+00:00","summary":"RIPE NCC delegated statistics 2021-01-21 (produced 2021-01-21T22:59:00+00:00), after the change: allocated (dated 2011-04-05)"}]},{"event_id":"aef3eb394076b1f8","registry":"RIPE NCC","report_date":"2018-12-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"195.128.133.0/24","start":"195.128.133.0","end":"195.128.133.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Tentorium Ltd","recipient_organization":"Tentorium Welnes LLC","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:46+00:00","page":"https://rirtracker.com/ip/195.128.133.0-195.128.133.255/#e-aef3eb394076b1f8","report_page":"https://rirtracker.com/ripe/reports/2018-12-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/195.128.133.0-195.128.133.255.json","observed":"Transfer: Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC) on 2018-12-27 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: RESOURCE_TRANSFER on 2018-12-27 19:00 UTC, Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC); resources moved: 195.128.133.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181226.bz2","retrieved_at":"2026-10-12T22:00:45+00:00","summary":"RIPE NCC delegated statistics 2018-12-26 (produced 2018-12-26T22:59:59+00:00), before the change: assigned (dated 2011-04-05)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2018/delegated-ripencc-extended-20181227.bz2","retrieved_at":"2026-10-12T22:00:48+00:00","summary":"RIPE NCC delegated statistics 2018-12-27 (produced 2018-12-27T22:59:59+00:00), after the change: assigned (dated 2011-04-05)"}]},{"event_id":"48aa470f6ef4e9ca","registry":"RIPE NCC","report_date":"2011-04-06","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"195.128.133.0/24","start":"195.128.133.0","end":"195.128.133.255","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":"2026-10-13T23:55:19+00:00","page":"https://rirtracker.com/ip/195.128.133.0-195.128.133.255/#e-48aa470f6ef4e9ca","report_page":"https://rirtracker.com/ripe/reports/2011-04-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/195.128.133.0-195.128.133.255.json","observed":"195.128.133.0/24 available on 2011-04-05, assigned on 2011-04-06","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-04-05 and assigned (dated 2011-04-05) on 2011-04-06. The tracker saw this range removed from registration on 2010-12-11 (195.128.128.0/19), 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/2011/delegated-ripencc-extended-20110406.bz2","retrieved_at":"2026-10-12T18:54:51+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 195.128.133.0/24 available on 2011-04-05, assigned on 2011-04-06"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110405.bz2","retrieved_at":"2026-10-12T18:54:48+00:00","summary":"RIPE NCC delegated statistics 2011-04-05, before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110406.bz2","retrieved_at":"2026-10-12T18:54:51+00:00","summary":"RIPE NCC delegated statistics 2011-04-06, after the change: assigned (dated 2011-04-05)"}]}],"classification_history":{"c7921df97102483f":[{"raw_change_id":102687,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:03:51+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC) on 2024-02-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":102687,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:33+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC) on 2024-02-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":102687,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:01+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC) on 2024-02-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":102687,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:53+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium LLC (RIPE NCC) to Mikhail Tonkonog (RIPE NCC) on 2024-02-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"c9b12e7ca08ba011":[{"raw_change_id":75703,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:52:42+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC) on 2021-01-21 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":75703,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:26+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC) on 2021-01-21 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":75703,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:47+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC) on 2021-01-21 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":75703,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:29+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Tentorium Welnes LLC (RIPE NCC) to Tentorium LLC (RIPE NCC) on 2021-01-21 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"aef3eb394076b1f8":[{"raw_change_id":61320,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:46:25+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC) on 2018-12-27 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":61320,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:50+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC) on 2018-12-27 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":61320,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:06+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC) on 2018-12-27 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":61320,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:46+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Tentorium Ltd (RIPE NCC) to Tentorium Welnes LLC (RIPE NCC) on 2018-12-27 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"48aa470f6ef4e9ca":[{"raw_change_id":209466,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:12:20+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-04-05 and assigned (dated 2011-04-05) on 2011-04-06. The tracker saw this range removed from registration on 2010-12-11 (195.128.128.0/19), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":209466,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:44+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-04-05 and assigned (dated 2011-04-05) on 2011-04-06. The tracker saw this range removed from registration on 2010-12-11 (195.128.128.0/19), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":209466,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:42+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-04-05 and assigned (dated 2011-04-05) on 2011-04-06. The tracker saw this range removed from registration on 2010-12-11 (195.128.128.0/19), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":209466,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:19+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-04-05 and assigned (dated 2011-04-05) on 2011-04-06. The tracker saw this range removed from registration on 2010-12-11 (195.128.128.0/19), so it appears to have been issued again from the RIPE NCC's pool."}]},"arin_statistics_now":{"status":"not listed"}}