{"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":"AS12172","resource_type":"asn","page":"https://rirtracker.com/asn/12172/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2018-06-25)"},"current_holder":{"rir":"ARIN","org":"Fiserv Solutions, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":4181,"date":"2024-10-31T15:53:50Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"FISERV Inc.","recipient_org":"Fiserv Solutions, LLC","range":"AS12172","log":"ARIN"}],"events":[{"event_id":"fdd360659caf0370","registry":"ARIN","report_date":"2024-10-31","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS12172","start":12172,"end":12172,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"FISERV Inc.","recipient_organization":"Fiserv Solutions, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:17+00:00","page":"https://rirtracker.com/asn/12172/#e-fdd360659caf0370","report_page":"https://rirtracker.com/arin/reports/2024-10-31/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12172.json","observed":"Merger/acquisition: FISERV Inc. (ARIN) to Fiserv Solutions, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from FISERV Inc. (ARIN) to Fiserv Solutions, LLC (ARIN) on 2024-10-31 15:53 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 2024-10-31 15:53 UTC, FISERV Inc. (ARIN) to Fiserv Solutions, LLC (ARIN); resources moved: AS12172"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241030.gz","retrieved_at":"2026-10-12T23:49:02+00:00","summary":"ARIN delegated statistics 2024-10-30 (produced 2024-10-30T13:00:53+00:00), before the report: assigned (dated 2018-06-25)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241101.gz","retrieved_at":"2026-10-12T23:49:19+00:00","summary":"ARIN delegated statistics 2024-11-01 (produced 2024-11-01T13:00:53+00:00), after the report: assigned (dated 2018-06-25)"}]},{"event_id":"de7a644b0cab75b9","registry":"ARIN","report_date":"2018-06-25","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS12172","resource_type":"asn","resource":"AS12172","start":12172,"end":12172,"classification":"RESTORED","classification_label":"Restored to the same holder","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:12+00:00","page":"https://rirtracker.com/asn/12172/#e-de7a644b0cab75b9","report_page":"https://rirtracker.com/arin/reports/2018-06-25/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12172.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-06-24 and assigned (dated 2018-06-25) on 2018-06-26. The tracker saw it removed from registration on 2013-12-03 (1665 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-June/003484.html","retrieved_at":"2026-10-12T18:40:05+00:00","summary":"ARIN-Issued report for 2018-06-25: \"Add AS12172\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180624.gz","retrieved_at":"2026-10-12T21:48:18+00:00","summary":"ARIN delegated statistics 2018-06-24 (produced 2018-06-24T05:00:22+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180626.gz","retrieved_at":"2026-10-12T21:48:23+00:00","summary":"ARIN delegated statistics 2018-06-26 (produced 2018-06-26T05:00:25+00:00), after the report: assigned (dated 2018-06-25)"}]},{"event_id":"e328459c5c2ef5dc","registry":"ARIN","report_date":"2013-12-03","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS12172","start":12172,"end":12172,"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":"2026-10-13T23:58:41+00:00","page":"https://rirtracker.com/asn/12172/#e-e328459c5c2ef5dc","report_page":"https://rirtracker.com/arin/reports/2013-12-03/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12172.json","observed":"AS12172 assigned on 2013-12-03, reserved on 2013-12-04","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":"2014-06-03","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 assigned (dated 2005-05-10) on 2013-12-02 and reserved on 2013-12-04. 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 2014-06-03. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131204.gz","retrieved_at":"2026-10-12T20:08:33+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS12172 assigned on 2013-12-03, reserved on 2013-12-04"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131202.gz","retrieved_at":"2026-10-12T20:08:28+00:00","summary":"ARIN delegated statistics 2013-12-02 (produced 2013-12-02T06:06:59+00:00), before the report: assigned (dated 2005-05-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131204.gz","retrieved_at":"2026-10-12T20:08:33+00:00","summary":"ARIN delegated statistics 2013-12-04 (produced 2013-12-04T06:07:02+00:00), after the report: reserved"}]}],"classification_history":{"fdd360659caf0370":[{"raw_change_id":571937,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:17+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from FISERV Inc. (ARIN) to Fiserv Solutions, LLC (ARIN) on 2024-10-31 15:53 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."}],"de7a644b0cab75b9":[{"raw_change_id":155270,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-06-24 and assigned (dated 2018-06-25) on 2018-06-26. The tracker saw it removed from registration on 2013-12-03 (1665 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":155270,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-06-24 and assigned (dated 2018-06-25) on 2018-06-26. The tracker saw it removed from registration on 2013-12-03 (1665 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":155270,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:01+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-06-24 and assigned (dated 2018-06-25) on 2018-06-26. The tracker saw it removed from registration on 2013-12-03 (1665 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":155270,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:12+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-06-24 and assigned (dated 2018-06-25) on 2018-06-26. The tracker saw it removed from registration on 2013-12-03 (1665 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."}],"e328459c5c2ef5dc":[{"raw_change_id":267275,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:39:30+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 assigned (dated 2005-05-10) on 2013-12-02 and reserved on 2013-12-04. 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 2014-06-03. This does not confirm availability."},{"raw_change_id":267275,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:40+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 assigned (dated 2005-05-10) on 2013-12-02 and reserved on 2013-12-04. 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 2014-06-03. This does not confirm availability."},{"raw_change_id":267275,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:54+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 assigned (dated 2005-05-10) on 2013-12-02 and reserved on 2013-12-04. 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 2014-06-03. This does not confirm availability."},{"raw_change_id":267275,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:41+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 assigned (dated 2005-05-10) on 2013-12-02 and reserved on 2013-12-04. 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 2014-06-03. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2018-06-25)"}}