{"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":"178.157.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/178.157.0.0-178.157.63.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2010-06-25)"},"current_holder":{"rir":"RIPE NCC","org":null,"how":"The RIPE NCC's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":111562,"date":"2025-02-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Aerotek Bilisim Sanayi ve Ticaret AS","recipient_org":"CIZGI TELEKOMUNIKASYON ANONIM SIRKETI","range":"178.157.8.0/21","log":"RIPE NCC"},{"id":95141,"date":"2023-04-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Shabakieh Isfahan Co PJSC","range":"178.157.1.0/24","log":"RIPE NCC"},{"id":70180,"date":"2020-05-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Mass Response Service GmbH","range":"178.157.4.0/22","log":"RIPE NCC"},{"id":56415,"date":"2018-01-25T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Cluster Logic Inc","range":"178.157.48.0/20","log":"RIPE NCC"},{"id":54122,"date":"2017-07-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Sewan Communications S.A.S.","range":"178.157.16.0/20","log":"RIPE NCC"},{"id":54123,"date":"2017-07-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Sewan Communications S.A.S.","range":"178.157.32.0/20","log":"RIPE NCC"},{"id":53811,"date":"2017-06-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Aircom Service srl","range":"178.157.2.0/23","log":"RIPE NCC"},{"id":53642,"date":"2017-05-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rasaneh Esfahan Net","recipient_org":"Aerotek Bilisim Sanayi ve Ticaret AS","range":"178.157.8.0/21","log":"RIPE NCC"}],"events":[{"event_id":"fb8e201a9f27ac44","registry":"RIPE NCC","report_date":"2010-06-26","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"178.157.0.0/18","start":"178.157.0.0","end":"178.157.63.255","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":"2026-10-13T23:52:23+00:00","page":"https://rirtracker.com/ip/178.157.0.0-178.157.63.255/#e-fb8e201a9f27ac44","report_page":"https://rirtracker.com/ripe/reports/2010-06-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/178.157.0.0-178.157.63.255.json","observed":"178.157.0.0/18 available on 2010-06-25, allocated on 2010-06-26","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-06-25 and allocated (dated 2010-06-25) on 2010-06-26. 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/2010/delegated-ripencc-extended-20100626.bz2","retrieved_at":"2026-10-12T18:39:51+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 178.157.0.0/18 available on 2010-06-25, allocated on 2010-06-26"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20100625.bz2","retrieved_at":"2026-10-12T18:39:48+00:00","summary":"RIPE NCC delegated statistics 2010-06-25, before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20100626.bz2","retrieved_at":"2026-10-12T18:39:51+00:00","summary":"RIPE NCC delegated statistics 2010-06-26, after the change: allocated (dated 2010-06-25)"}]}],"classification_history":{"fb8e201a9f27ac44":[{"raw_change_id":157861,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:43:11+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-06-25 and allocated (dated 2010-06-25) on 2010-06-26. 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":157861,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:27+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-06-25 and allocated (dated 2010-06-25) on 2010-06-26. 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":157861,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:09+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-06-25 and allocated (dated 2010-06-25) on 2010-06-26. 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":157861,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:23+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-06-25 and allocated (dated 2010-06-25) on 2010-06-26. 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"}}