{"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":"208.103.157.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/208.103.157.0-208.103.157.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-12-22)"},"current_holder":{"rir":"ARIN","org":"Succession Systems LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":11702,"date":"2017-12-22T16:38:22Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"MASTRACCHIO SYSTEMS LLC","recipient_org":"Succession Systems LLC","range":"208.103.157.0/24","log":"ARIN"},{"id":7329,"date":"2016-07-08T14:02:29Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Coretel America, Inc.","recipient_org":"MASTRACCHIO SYSTEMS LLC","range":"208.103.157.0/24","log":"ARIN"}],"events":[{"event_id":"c2380c123d11f1b6","registry":"ARIN","report_date":"2017-12-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 208.103.157.0-208.103.157.255","resource_type":"ipv4","resource":"208.103.157.0/24","start":"208.103.157.0","end":"208.103.157.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"MASTRACCHIO SYSTEMS LLC","recipient_organization":"Succession Systems LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:02+00:00","page":"https://rirtracker.com/ip/208.103.157.0-208.103.157.255/#e-c2380c123d11f1b6","report_page":"https://rirtracker.com/arin/reports/2017-12-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/208.103.157.0-208.103.157.255.json","explanation":"ARIN's transfer log records a transfer from MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN) on 2017-12-22 16:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-December/003299.html","retrieved_at":"2026-10-12T18:39:53+00:00","summary":"ARIN-Issued report for 2017-12-22: \"Add 208.103.157.0-208.103.157.255\""},{"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 2017-12-22 16:38 UTC, MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN); resources moved: 208.103.157.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171221.gz","retrieved_at":"2026-10-12T21:39:01+00:00","summary":"ARIN delegated statistics 2017-12-21 (produced 2017-12-21T06:09:48+00:00), before the report: allocated (dated 2016-07-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171223.gz","retrieved_at":"2026-10-12T21:39:14+00:00","summary":"ARIN delegated statistics 2017-12-23 (produced 2017-12-23T06:09:27+00:00), after the report: assigned (dated 2017-12-22)"}]},{"event_id":"a2d3b2b1c5c74f2a","registry":"ARIN","report_date":"2016-07-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 208.103.157.0-208.103.157.255","resource_type":"ipv4","resource":"208.103.157.0/24","start":"208.103.157.0","end":"208.103.157.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Coretel America, Inc.","recipient_organization":"MASTRACCHIO SYSTEMS LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:36+00:00","page":"https://rirtracker.com/ip/208.103.157.0-208.103.157.255/#e-a2d3b2b1c5c74f2a","report_page":"https://rirtracker.com/arin/reports/2016-07-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/208.103.157.0-208.103.157.255.json","piece_of":{"resource":"208.103.128.0/18","page":"https://rirtracker.com/ip/208.103.128.0-208.103.191.255/"},"explanation":"ARIN's transfer log records a transfer from Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN) on 2016-07-08 14:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2016-July/002766.html","retrieved_at":"2026-10-12T18:39:17+00:00","summary":"ARIN-Issued report for 2016-07-08: \"Add 208.103.157.0-208.103.157.255\""},{"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 2016-07-08 14:02 UTC, Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN); resources moved: 208.103.157.0/24"},{"type":"delegated_before","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), before the report: allocated (dated 2006-03-27)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160709.gz","retrieved_at":"2026-10-12T21:13:05+00:00","summary":"ARIN delegated statistics 2016-07-09 (produced 2016-07-09T05:04:21+00:00), after the report: allocated (dated 2016-07-08)"}]}],"classification_history":{"c2380c123d11f1b6":[{"raw_change_id":152529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:39:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN) on 2017-12-22 16:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN) on 2017-12-22 16:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:52+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN) on 2017-12-22 16:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":152529,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from MASTRACCHIO SYSTEMS LLC (ARIN) to Succession Systems LLC (ARIN) on 2017-12-22 16:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"a2d3b2b1c5c74f2a":[{"raw_change_id":145580,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN) on 2016-07-08 14:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145580,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:52+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN) on 2016-07-08 14:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145580,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN) on 2016-07-08 14:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145580,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:36+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Coretel America, Inc. (ARIN) to MASTRACCHIO SYSTEMS LLC (ARIN) on 2016-07-08 14:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2017-12-22)"}}