{"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":"AS19005","resource_type":"asn","page":"https://rirtracker.com/asn/19005/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2011-04-06)"},"current_holder":{"rir":"ARIN","org":"J2 Global Ventures, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":3015,"date":"2022-09-15T18:40:40Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"J2 Cloud Services, LLC","recipient_org":"J2 Global Ventures, LLC","range":"AS19005","log":"ARIN"},{"id":2405,"date":"2021-04-09T16:09:32Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SMTP, Inc.","recipient_org":"J2 Cloud Services, LLC","range":"AS19005","log":"ARIN"}],"events":[{"event_id":"6919f7a1fbb7910e","registry":"ARIN","report_date":"2022-09-15","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS19005","start":19005,"end":19005,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"J2 Cloud Services, LLC","recipient_organization":"J2 Global Ventures, LLC","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/asn/19005/#e-6919f7a1fbb7910e","report_page":"https://rirtracker.com/arin/reports/2022-09-15/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19005.json","observed":"Merger/acquisition: J2 Cloud Services, LLC (ARIN) to J2 Global Ventures, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from J2 Cloud Services, LLC (ARIN) to J2 Global Ventures, LLC (ARIN) on 2022-09-15 18:40 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 2022-09-15 18:40 UTC, J2 Cloud Services, LLC (ARIN) to J2 Global Ventures, LLC (ARIN); resources moved: AS19005"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220914.gz","retrieved_at":"2026-10-12T23:07:47+00:00","summary":"ARIN delegated statistics 2022-09-14 (produced 2022-09-14T13:00:11+00:00), before the report: assigned (dated 2011-04-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220916.gz","retrieved_at":"2026-10-12T23:07:52+00:00","summary":"ARIN delegated statistics 2022-09-16 (produced 2022-09-16T13:00:11+00:00), after the report: assigned (dated 2011-04-06)"}]},{"event_id":"fca9b17e33eb9bdb","registry":"ARIN","report_date":"2021-04-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS19005","start":19005,"end":19005,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"SMTP, Inc.","recipient_organization":"J2 Cloud Services, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","page":"https://rirtracker.com/asn/19005/#e-fca9b17e33eb9bdb","report_page":"https://rirtracker.com/arin/reports/2021-04-09/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19005.json","observed":"Merger/acquisition: SMTP, Inc. (ARIN) to J2 Cloud Services, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from SMTP, Inc. (ARIN) to J2 Cloud Services, LLC (ARIN) on 2021-04-09 16:09 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 2021-04-09 16:09 UTC, SMTP, Inc. (ARIN) to J2 Cloud Services, LLC (ARIN); resources moved: AS19005"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210408.gz","retrieved_at":"2026-10-12T22:40:51+00:00","summary":"ARIN delegated statistics 2021-04-08 (produced 2021-04-08T14:00:12+00:00), before the report: assigned (dated 2011-04-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210410.gz","retrieved_at":"2026-10-12T22:41:05+00:00","summary":"ARIN delegated statistics 2021-04-10 (produced 2021-04-10T14:00:14+00:00), after the report: assigned (dated 2011-04-06)"}]},{"event_id":"f1fa0e9f2a9bde1b","registry":"ARIN","report_date":"2010-10-01","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS19005","start":19005,"end":19005,"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":"2026-10-13T23:56:01+00:00","page":"https://rirtracker.com/asn/19005/#e-f1fa0e9f2a9bde1b","report_page":"https://rirtracker.com/arin/reports/2010-10-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19005.json","observed":"AS19005 allocated on 2010-10-01, not listed on 2010-10-02","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2011-04-01","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 2000-11-07) on 2010-09-30 and not issued on 2010-10-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2011-04-01. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101002.gz","retrieved_at":"2026-10-12T19:11:01+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS19005 allocated on 2010-10-01, not listed on 2010-10-02"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100930.gz","retrieved_at":"2026-10-12T19:10:56+00:00","summary":"ARIN delegated statistics 2010-09-30, before the report: allocated (dated 2000-11-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101002.gz","retrieved_at":"2026-10-12T19:11:01+00:00","summary":"ARIN delegated statistics 2010-10-02, after the report: not issued"}]}],"classification_history":{"6919f7a1fbb7910e":[{"raw_change_id":566412,"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 J2 Cloud Services, LLC (ARIN) to J2 Global Ventures, LLC (ARIN) on 2022-09-15 18:40 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."}],"fca9b17e33eb9bdb":[{"raw_change_id":563064,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from SMTP, Inc. (ARIN) to J2 Cloud Services, LLC (ARIN) on 2021-04-09 16:09 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."}],"f1fa0e9f2a9bde1b":[{"raw_change_id":221576,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:17:16+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 2000-11-07) on 2010-09-30 and not issued on 2010-10-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2011-04-01. This does not confirm availability."},{"raw_change_id":221576,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:20+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 2000-11-07) on 2010-09-30 and not issued on 2010-10-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2011-04-01. This does not confirm availability."},{"raw_change_id":221576,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:21+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 2000-11-07) on 2010-09-30 and not issued on 2010-10-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2011-04-01. This does not confirm availability."},{"raw_change_id":221576,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:01+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 2000-11-07) on 2010-09-30 and not issued on 2010-10-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2011-04-01. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2011-04-06)"}}