{"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":"148.109.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/148.109.0.0-148.109.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1991-03-22)"},"current_holder":{"rir":"APNIC","org":"Colt Technology Services GK","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":29733,"date":"2022-12-01T12:14:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Randstad North America, Inc.","recipient_org":"Colt Technology Services Co., Ltd. (CTSCL-JP)","range":"148.109.0.0/16","log":"ARIN"},{"id":128268,"date":"2022-12-01T03:21:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"RNAL-7","recipient_org":"Colt Technology Services GK","range":"148.109.0.0/16","log":"APNIC"},{"id":29376,"date":"2022-10-11T18:25:07Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Spherion Corporation","recipient_org":"Randstad North America, LP","range":"148.109.0.0/16","log":"ARIN"}],"events":[{"event_id":"249b68fca515037c","registry":"APNIC","report_date":"2022-12-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"148.109.0.0/16","start":"148.109.0.0","end":"148.109.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"RNAL-7","recipient_organization":"Colt Technology Services GK","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:46+00:00","page":"https://rirtracker.com/ip/148.109.0.0-148.109.255.255/#e-249b68fca515037c","report_page":"https://rirtracker.com/apnic/reports/2022-12-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/148.109.0.0-148.109.255.255.json","observed":"Transfer: RNAL-7 (ARIN) to Colt Technology Services GK (APNIC)","same_transfer_as":"c3fb1dd4b88c6c74","explanation":"APNIC's transfer log records a transfer from RNAL-7 (ARIN) to Colt Technology Services GK (APNIC) on 2022-12-01 03:21 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 2022-12-01 03:21 UTC, RNAL-7 (ARIN) to Colt Technology Services GK (APNIC); resources moved: 148.109.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20221201.gz","retrieved_at":"2026-10-13T00:27:18+00:00","summary":"APNIC delegated statistics 2022-12-01, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20221202.gz","retrieved_at":"2026-10-13T00:27:21+00:00","summary":"APNIC delegated statistics 2022-12-02, after the change: allocated (dated 1991-03-22)"}]},{"event_id":"c3fb1dd4b88c6c74","registry":"ARIN","report_date":"2022-11-30","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"148.109.0.0/16","start":"148.109.0.0","end":"148.109.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Randstad North America, Inc.","recipient_organization":"Colt Technology Services Co., Ltd. (CTSCL-JP)","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":"2026-10-14T00:09:58+00:00","page":"https://rirtracker.com/ip/148.109.0.0-148.109.255.255/#e-c3fb1dd4b88c6c74","report_page":"https://rirtracker.com/arin/reports/2022-11-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/148.109.0.0-148.109.255.255.json","observed":"148.109.0.0/16 allocated on 2022-11-30, not listed on 2022-12-01","same_transfer_as":"249b68fca515037c","explanation":"ARIN's transfer log records a transfer from Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC) on 2022-12-01 12:14 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/2022/delegated-arin-extended-20221201.gz","retrieved_at":"2026-10-12T23:11:49+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 148.109.0.0/16 allocated on 2022-11-30, not listed on 2022-12-01"},{"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 2022-12-01 12:14 UTC, Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC); resources moved: 148.109.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221129.gz","retrieved_at":"2026-10-12T23:11:44+00:00","summary":"ARIN delegated statistics 2022-11-29 (produced 2022-11-29T14:00:10+00:00), before the report: allocated (dated 1991-03-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221201.gz","retrieved_at":"2026-10-12T23:11:49+00:00","summary":"ARIN delegated statistics 2022-12-01 (produced 2022-12-01T14:00:10+00:00), after the report: not listed"}]},{"event_id":"82a0f1b54582063e","registry":"ARIN","report_date":"2022-10-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"148.109.0.0/16","start":"148.109.0.0","end":"148.109.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Spherion Corporation","recipient_organization":"Randstad North America, LP","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:04+00:00","page":"https://rirtracker.com/ip/148.109.0.0-148.109.255.255/#e-82a0f1b54582063e","report_page":"https://rirtracker.com/arin/reports/2022-10-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/148.109.0.0-148.109.255.255.json","observed":"Merger/acquisition: Spherion Corporation (ARIN) to Randstad North America, LP (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Spherion Corporation (ARIN) to Randstad North America, LP (ARIN) on 2022-10-11 18:25 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2022-10-11 18:25 UTC, Spherion Corporation (ARIN) to Randstad North America, LP (ARIN); resources moved: 148.109.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221010.gz","retrieved_at":"2026-10-12T23:09:10+00:00","summary":"ARIN delegated statistics 2022-10-10 (produced 2022-10-10T13:00:10+00:00), before the report: allocated (dated 1991-03-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221012.gz","retrieved_at":"2026-10-12T23:09:15+00:00","summary":"ARIN delegated statistics 2022-10-12 (produced 2022-10-12T13:00:09+00:00), after the report: allocated (dated 1991-03-22)"}]}],"classification_history":{"249b68fca515037c":[{"raw_change_id":39279,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:26+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from RNAL-7 (ARIN) to Colt Technology Services GK (APNIC) on 2022-12-01 03:21 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39279,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:00+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from RNAL-7 (ARIN) to Colt Technology Services GK (APNIC) on 2022-12-01 03:21 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39279,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:11+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from RNAL-7 (ARIN) to Colt Technology Services GK (APNIC) on 2022-12-01 03:21 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":39279,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:46+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from RNAL-7 (ARIN) to Colt Technology Services GK (APNIC) on 2022-12-01 03:21 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"c3fb1dd4b88c6c74":[{"raw_change_id":437050,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:55:02+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC) on 2022-12-01 12:14 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":437050,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC) on 2022-12-01 12:14 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":437050,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:05+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC) on 2022-12-01 12:14 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":437050,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:58+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Randstad North America, Inc. (ARIN) to Colt Technology Services Co., Ltd. (CTSCL-JP) (APNIC) on 2022-12-01 12:14 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."}],"82a0f1b54582063e":[{"raw_change_id":566523,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:04+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Spherion Corporation (ARIN) to Randstad North America, LP (ARIN) on 2022-10-11 18:25 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"not listed"}}