{"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":"67.203.192.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/67.203.192.0-67.203.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2007-10-08), allocated (dated 2024-06-20)"},"current_holder":{"rir":"ARIN","org":"Liberty Mobile Puerto Rico Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":35923,"date":"2024-06-20T16:42:18Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Liberty Mobile Puerto Rico Inc.","recipient_org":"WorldNet Telecommunications, LLC","range":"67.203.228.0/22","log":"ARIN"},{"id":31889,"date":"2023-05-09T17:09:29Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Mobility Puerto Rico","recipient_org":"Liberty Mobile Puerto Rico Inc.","range":"67.203.192.0/18","log":"ARIN"},{"id":8755,"date":"2017-03-01T19:25:35Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Centennial de Puerto Rico","recipient_org":"AT&T Mobility Puerto Rico","range":"67.203.192.0/18","log":"ARIN"}],"events":[{"event_id":"44e75afc565e5f36","registry":"ARIN","report_date":"2023-05-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"67.203.192.0/18","start":"67.203.192.0","end":"67.203.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AT&T Mobility Puerto Rico","recipient_organization":"Liberty Mobile Puerto Rico Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:09+00:00","page":"https://rirtracker.com/ip/67.203.192.0-67.203.255.255/#e-44e75afc565e5f36","report_page":"https://rirtracker.com/arin/reports/2023-05-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/67.203.192.0-67.203.255.255.json","observed":"Merger/acquisition: AT&T Mobility Puerto Rico (ARIN) to Liberty Mobile Puerto Rico Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Mobility Puerto Rico (ARIN) to Liberty Mobile Puerto Rico Inc. (ARIN) on 2023-05-09 17:09 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 2023-05-09 17:09 UTC, AT&T Mobility Puerto Rico (ARIN) to Liberty Mobile Puerto Rico Inc. (ARIN); resources moved: 67.203.192.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230508.gz","retrieved_at":"2026-10-12T23:20:18+00:00","summary":"ARIN delegated statistics 2023-05-08 (produced 2023-05-08T13:00:11+00:00), before the report: allocated (dated 2007-10-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230510.gz","retrieved_at":"2026-10-12T23:20:23+00:00","summary":"ARIN delegated statistics 2023-05-10 (produced 2023-05-10T13:00:11+00:00), after the report: allocated (dated 2007-10-08)"}]},{"event_id":"ee21bdd01597838c","registry":"ARIN","report_date":"2017-03-01","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"67.203.192.0/18","start":"67.203.192.0","end":"67.203.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Centennial de Puerto Rico","recipient_organization":"AT&T Mobility Puerto Rico","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:28+00:00","page":"https://rirtracker.com/ip/67.203.192.0-67.203.255.255/#e-ee21bdd01597838c","report_page":"https://rirtracker.com/arin/reports/2017-03-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/67.203.192.0-67.203.255.255.json","observed":"Merger/acquisition: Centennial de Puerto Rico (ARIN) to AT&T Mobility Puerto Rico (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Centennial de Puerto Rico (ARIN) to AT&T Mobility Puerto Rico (ARIN) on 2017-03-01 19:25 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 2017-03-01 19:25 UTC, Centennial de Puerto Rico (ARIN) to AT&T Mobility Puerto Rico (ARIN); resources moved: 67.203.192.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170228.gz","retrieved_at":"2026-10-12T21:24:19+00:00","summary":"ARIN delegated statistics 2017-02-28 (produced 2017-02-28T06:10:35+00:00), before the report: allocated (dated 2007-10-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170302.gz","retrieved_at":"2026-10-12T21:24:24+00:00","summary":"ARIN delegated statistics 2017-03-02 (produced 2017-03-02T06:10:38+00:00), after the report: allocated (dated 2007-10-08)"}]},{"event_id":"aef9f0cda1fcf44d","registry":"ARIN","report_date":"2017-02-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"67.203.192.0/18","start":"67.203.192.0","end":"67.203.255.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:43+00:00","page":"https://rirtracker.com/ip/67.203.192.0-67.203.255.255/#e-aef9f0cda1fcf44d","report_page":"https://rirtracker.com/arin/reports/2017-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/67.203.192.0-67.203.255.255.json","observed":"67.203.192.0/18 allocated on 2017-02-07, reserved on 2017-02-08","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2017-04-08","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2007-10-08) on 2017-02-06 and reserved on 2017-02-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2017-04-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170208.gz","retrieved_at":"2026-10-12T21:23:21+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 67.203.192.0/18 allocated on 2017-02-07, reserved on 2017-02-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170206.gz","retrieved_at":"2026-10-12T21:23:17+00:00","summary":"ARIN delegated statistics 2017-02-06 (produced 2017-02-06T06:09:02+00:00), before the report: allocated (dated 2007-10-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170208.gz","retrieved_at":"2026-10-12T21:23:21+00:00","summary":"ARIN delegated statistics 2017-02-08 (produced 2017-02-08T06:09:32+00:00), after the report: reserved"}]}],"classification_history":{"44e75afc565e5f36":[{"raw_change_id":568510,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:09+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Mobility Puerto Rico (ARIN) to Liberty Mobile Puerto Rico Inc. (ARIN) on 2023-05-09 17:09 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."}],"ee21bdd01597838c":[{"raw_change_id":551437,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Centennial de Puerto Rico (ARIN) to AT&T Mobility Puerto Rico (ARIN) on 2017-03-01 19:25 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."}],"aef9f0cda1fcf44d":[{"raw_change_id":329342,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:09:06+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2007-10-08) on 2017-02-06 and reserved on 2017-02-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-04-08. This does not confirm availability."},{"raw_change_id":329342,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:07+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2007-10-08) on 2017-02-06 and reserved on 2017-02-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-04-08. This does not confirm availability."},{"raw_change_id":329342,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:37+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2007-10-08) on 2017-02-06 and reserved on 2017-02-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2017-04-08. This does not confirm availability."},{"raw_change_id":329342,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:43+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2007-10-08) on 2017-02-06 and reserved on 2017-02-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2017-04-08. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2007-10-08), allocated (dated 2024-06-20)"}}