{"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":"161.34.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.34.0.0-161.34.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1990-12-05)"},"current_holder":{"rir":"APNIC","org":"NTTPC Communications, Inc.","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":7294,"date":"2016-07-06T15:00:50Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"MSC.SOFTWARE CORPORATION","recipient_org":"NTTPC Communications, Inc.","range":"161.34.0.0/16","log":"ARIN"},{"id":124620,"date":"2016-07-06T00:38:07Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"MACNEA","recipient_org":"Japan Network Information Center/infosphere","range":"161.34.0.0/16","log":"APNIC"}],"events":[{"event_id":"02c594959bd25e9f","registry":"ARIN","report_date":"2016-07-06","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"161.34.0.0/16","start":"161.34.0.0","end":"161.34.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"MSC.SOFTWARE CORPORATION","recipient_organization":"NTTPC Communications, Inc.","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:06+00:00","page":"https://rirtracker.com/ip/161.34.0.0-161.34.255.255/#e-02c594959bd25e9f","report_page":"https://rirtracker.com/arin/reports/2016-07-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.34.0.0-161.34.255.255.json","observed":"161.34.0.0/16 assigned on 2016-07-06, not listed on 2016-07-07","same_transfer_as":"b79b99492ed06e22","explanation":"ARIN's transfer log records a transfer from MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC) on 2016-07-06 15:00 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160707.gz","retrieved_at":"2026-10-12T21:12:54+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 161.34.0.0/16 assigned on 2016-07-06, not listed on 2016-07-07"},{"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 2016-07-06 15:00 UTC, MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC); resources moved: 161.34.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160705.gz","retrieved_at":"2026-10-12T21:12:49+00:00","summary":"ARIN delegated statistics 2016-07-05 (produced 2016-07-05T05:04:02+00:00), before the report: assigned (dated 1992-05-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160707.gz","retrieved_at":"2026-10-12T21:12:54+00:00","summary":"ARIN delegated statistics 2016-07-07 (produced 2016-07-07T05:04:11+00:00), after the report: not listed"}]},{"event_id":"b79b99492ed06e22","registry":"APNIC","report_date":"2016-07-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.34.0.0/16","start":"161.34.0.0","end":"161.34.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"MACNEA","recipient_organization":"Japan Network Information Center/infosphere","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:32+00:00","page":"https://rirtracker.com/ip/161.34.0.0-161.34.255.255/#e-b79b99492ed06e22","report_page":"https://rirtracker.com/apnic/reports/2016-07-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.34.0.0-161.34.255.255.json","observed":"Transfer: MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC)","same_transfer_as":"02c594959bd25e9f","explanation":"APNIC's transfer log records a transfer from MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC) on 2016-07-06 00:38 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2016-07-06 00:38 UTC, MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC); resources moved: 161.34.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160706.gz","retrieved_at":"2026-10-12T21:42:51+00:00","summary":"APNIC delegated statistics 2016-07-06, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20160707.gz","retrieved_at":"2026-10-12T21:42:54+00:00","summary":"APNIC delegated statistics 2016-07-07, after the change: allocated (dated 1990-12-05)"}]}],"classification_history":{"02c594959bd25e9f":[{"raw_change_id":319884,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:04:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC) on 2016-07-06 15:00 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":319884,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC) on 2016-07-06 15:00 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":319884,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC) on 2016-07-06 15:00 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":319884,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:06+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from MSC.SOFTWARE CORPORATION (ARIN) to NTTPC Communications, Inc. (APNIC) on 2016-07-06 15:00 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"b79b99492ed06e22":[{"raw_change_id":33765,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:35:06+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC) on 2016-07-06 00:38 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33765,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:49+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC) on 2016-07-06 00:38 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33765,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:58+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC) on 2016-07-06 00:38 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":33765,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:32+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from MACNEA (ARIN) to Japan Network Information Center/infosphere (APNIC) on 2016-07-06 00:38 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}