{"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":"31.169.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/31.169.128.0-31.169.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-03-29)"},"current_holder":{"rir":"RIPE NCC","org":"Vodafone Czech Republic a.s.","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":73539,"date":"2020-11-13T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"UPC Ceska Republica, s.r.o.","recipient_org":"Vodafone Czech Republic a.s.","range":"31.169.128.0/17","log":"RIPE NCC"}],"events":[{"event_id":"caae59b52a64d0e4","registry":"RIPE NCC","report_date":"2020-11-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"31.169.128.0/17","start":"31.169.128.0","end":"31.169.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"UPC Ceska Republica, s.r.o.","recipient_organization":"Vodafone Czech Republic a.s.","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:22+00:00","page":"https://rirtracker.com/ip/31.169.128.0-31.169.255.255/#e-caae59b52a64d0e4","report_page":"https://rirtracker.com/ripe/reports/2020-11-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/31.169.128.0-31.169.255.255.json","observed":"Merger/acquisition: UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC) on 2020-11-13 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 2020-11-13 19:00 UTC, UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC); resources moved: 31.169.128.0/17"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201112.bz2","retrieved_at":"2026-10-12T22:54:26+00:00","summary":"RIPE NCC delegated statistics 2020-11-12 (produced 2020-11-12T22:59:59+00:00), before the change: allocated (dated 2011-03-29)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2020/delegated-ripencc-extended-20201113.bz2","retrieved_at":"2026-10-12T22:54:29+00:00","summary":"RIPE NCC delegated statistics 2020-11-13 (produced 2020-11-13T22:59:59+00:00), after the change: allocated (dated 2011-03-29)"}]},{"event_id":"7c304df81b9bb5c1","registry":"RIPE NCC","report_date":"2011-03-30","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"31.169.128.0/17","start":"31.169.128.0","end":"31.169.255.255","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":"2026-10-13T23:55:18+00:00","page":"https://rirtracker.com/ip/31.169.128.0-31.169.255.255/#e-7c304df81b9bb5c1","report_page":"https://rirtracker.com/ripe/reports/2011-03-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/31.169.128.0-31.169.255.255.json","observed":"31.169.128.0/17 available on 2011-03-29, allocated on 2011-03-30","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-03-29 and allocated (dated 2011-03-29) on 2011-03-30. 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-20110330.bz2","retrieved_at":"2026-10-12T18:54:32+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 31.169.128.0/17 available on 2011-03-29, allocated on 2011-03-30"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110329.bz2","retrieved_at":"2026-10-12T18:54:29+00:00","summary":"RIPE NCC delegated statistics 2011-03-29, before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110330.bz2","retrieved_at":"2026-10-12T18:54:32+00:00","summary":"RIPE NCC delegated statistics 2011-03-30, after the change: allocated (dated 2011-03-29)"}]}],"classification_history":{"caae59b52a64d0e4":[{"raw_change_id":73413,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:51:42+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC) on 2020-11-13 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73413,"classification_code":"MERGER_ACQUISITION","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 merger, acquisition or reorganization from UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC) on 2020-11-13 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73413,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:40+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC) on 2020-11-13 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":73413,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:22+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from UPC Ceska Republica, s.r.o. (RIPE NCC) to Vodafone Czech Republic a.s. (RIPE NCC) on 2020-11-13 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"7c304df81b9bb5c1":[{"raw_change_id":209174,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:12:13+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-03-29 and allocated (dated 2011-03-29) on 2011-03-30. 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":209174,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:43+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-03-29 and allocated (dated 2011-03-29) on 2011-03-30. 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":209174,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:41+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-03-29 and allocated (dated 2011-03-29) on 2011-03-30. 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":209174,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:18+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-03-29 and allocated (dated 2011-03-29) on 2011-03-30. 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"}}