{"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":"149.154.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/149.154.0.0-149.154.63.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-02-02)"},"current_holder":{"rir":"ARIN","org":"Metronet","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":85436,"date":"2022-02-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Klas Ltd","recipient_org":null,"range":"149.154.0.0/18","log":"RIPE NCC"},{"id":26880,"date":"2022-02-02T14:39:33Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Klas Ltd","recipient_org":"Metronet","range":"149.154.0.0/18","log":"ARIN"}],"events":[{"event_id":"0b0f4184142b21fa","registry":"ARIN","report_date":"2022-02-02","source":"arin_issued","raw_action":"ADD","raw_line":"Add 149.154.0.0-149.154.63.255","resource_type":"ipv4","resource":"149.154.0.0/18","start":"149.154.0.0","end":"149.154.63.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Klas Ltd","recipient_organization":"Metronet","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:20+00:00","page":"https://rirtracker.com/ip/149.154.0.0-149.154.63.255/#e-0b0f4184142b21fa","report_page":"https://rirtracker.com/arin/reports/2022-02-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.154.0.0-149.154.63.255.json","same_transfer_as":"591f9d18cb9bf508","explanation":"ARIN's transfer log records a transfer from Klas Ltd (RIPE NCC) to Metronet (ARIN) on 2022-02-02 14:39 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-February/004800.html","retrieved_at":"2026-10-12T18:41:38+00:00","summary":"ARIN-Issued report for 2022-02-02: \"Add 149.154.0.0-149.154.63.255\""},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2022-02-02 14:39 UTC, Klas Ltd (RIPE NCC) to Metronet (ARIN); resources moved: 149.154.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220201.gz","retrieved_at":"2026-10-12T22:56:18+00:00","summary":"ARIN delegated statistics 2022-02-01 (produced 2022-02-01T14:00:11+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220203.gz","retrieved_at":"2026-10-12T22:56:23+00:00","summary":"ARIN delegated statistics 2022-02-03 (produced 2022-02-03T14:00:11+00:00), after the report: allocated (dated 2022-02-02)"}]},{"event_id":"591f9d18cb9bf508","registry":"RIPE NCC","report_date":"2022-02-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"149.154.0.0/18","start":"149.154.0.0","end":"149.154.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of the RIPE NCC","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"Klas Ltd","recipient_organization":null,"inventory_effect":"Transferred out of RIPE NCC administration; not offered to RIPE NCC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:59+00:00","page":"https://rirtracker.com/ip/149.154.0.0-149.154.63.255/#e-591f9d18cb9bf508","report_page":"https://rirtracker.com/ripe/reports/2022-02-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.154.0.0-149.154.63.255.json","observed":"Transfer: Klas Ltd (RIPE NCC) to (no name) (ARIN)","same_transfer_as":"0b0f4184142b21fa","explanation":"The RIPE NCC's transfer log records a transfer from Klas Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2022-02-02 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants.","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 2022-02-02 19:00 UTC, Klas Ltd (RIPE NCC) to (no name) (ARIN); resources moved: 149.154.0.0/18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220201.bz2","retrieved_at":"2026-10-12T23:27:31+00:00","summary":"RIPE NCC delegated statistics 2022-02-01 (produced 2022-02-01T22:59:00+00:00), before the change: allocated (dated 2011-07-29)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220202.bz2","retrieved_at":"2026-10-12T23:27:34+00:00","summary":"RIPE NCC delegated statistics 2022-02-02 (produced 2022-02-02T22:59:00+00:00), after the change: not listed"}]},{"event_id":"4bb1253ab89d611b","registry":"RIPE NCC","report_date":"2011-07-29","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"149.154.0.0/18","start":"149.154.0.0","end":"149.154.63.255","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":"2026-10-13T23:55:36+00:00","page":"https://rirtracker.com/ip/149.154.0.0-149.154.63.255/#e-4bb1253ab89d611b","report_page":"https://rirtracker.com/ripe/reports/2011-07-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.154.0.0-149.154.63.255.json","observed":"149.154.0.0/18 available on 2011-07-28, allocated on 2011-07-29","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-28 and allocated (dated 2011-07-29) on 2011-07-29. 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-20110729.bz2","retrieved_at":"2026-10-12T19:00:48+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 149.154.0.0/18 available on 2011-07-28, allocated on 2011-07-29"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110728.bz2","retrieved_at":"2026-10-12T19:00:46+00:00","summary":"RIPE NCC delegated statistics 2011-07-28 (produced 2011-07-28T21:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20110729.bz2","retrieved_at":"2026-10-12T19:00:48+00:00","summary":"RIPE NCC delegated statistics 2011-07-29 (produced 2011-07-29T21:59:59+00:00), after the change: allocated (dated 2011-07-29)"}]}],"classification_history":{"0b0f4184142b21fa":[{"raw_change_id":175207,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:07+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Klas Ltd (RIPE NCC) to Metronet (ARIN) on 2022-02-02 14:39 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":175207,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Klas Ltd (RIPE NCC) to Metronet (ARIN) on 2022-02-02 14:39 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":175207,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:58+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Klas Ltd (RIPE NCC) to Metronet (ARIN) on 2022-02-02 14:39 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":175207,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Klas Ltd (RIPE NCC) to Metronet (ARIN) on 2022-02-02 14:39 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."}],"591f9d18cb9bf508":[{"raw_change_id":85677,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:56:39+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Klas Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2022-02-02 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":85677,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:50+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Klas Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2022-02-02 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":85677,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:13+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Klas Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2022-02-02 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":85677,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:59+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Klas Ltd (RIPE NCC) to an unnamed organization (ARIN) on 2022-02-02 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."}],"4bb1253ab89d611b":[{"raw_change_id":214317,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:14:07+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-28 and allocated (dated 2011-07-29) on 2011-07-29. 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":214317,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:58+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-28 and allocated (dated 2011-07-29) on 2011-07-29. 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":214317,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:57+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-28 and allocated (dated 2011-07-29) on 2011-07-29. 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":214317,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:36+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-28 and allocated (dated 2011-07-29) on 2011-07-29. 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":"allocated (dated 2022-02-02)"}}