{"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":"45.78.144.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/45.78.144.0-45.78.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-10-13)"},"current_holder":{"rir":"ARIN","org":"Centersquare","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":39612,"date":"2025-03-14T17:45:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Evoque Data Center Solutions","recipient_org":"Centersquare","range":"45.78.144.0/20","log":"ARIN"},{"id":21732,"date":"2020-10-13T12:06:49Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ColoMX LLC","recipient_org":"Evoque Data Center Solutions","range":"45.78.144.0/20","log":"ARIN"}],"events":[{"event_id":"ee450de9388af674","registry":"ARIN","report_date":"2025-03-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"45.78.144.0/20","start":"45.78.144.0","end":"45.78.159.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Evoque Data Center Solutions","recipient_organization":"Centersquare","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:20+00:00","page":"https://rirtracker.com/ip/45.78.144.0-45.78.159.255/#e-ee450de9388af674","report_page":"https://rirtracker.com/arin/reports/2025-03-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.78.144.0-45.78.159.255.json","observed":"Merger/acquisition: Evoque Data Center Solutions (ARIN) to Centersquare (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Evoque Data Center Solutions (ARIN) to Centersquare (ARIN) on 2025-03-14 17:45 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 2025-03-14 17:45 UTC, Evoque Data Center Solutions (ARIN) to Centersquare (ARIN); resources moved: 45.78.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250313.gz","retrieved_at":"2026-10-12T23:56:20+00:00","summary":"ARIN delegated statistics 2025-03-13 (produced 2025-03-13T13:01:07+00:00), before the report: allocated (dated 2020-10-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250315.gz","retrieved_at":"2026-10-12T23:56:25+00:00","summary":"ARIN delegated statistics 2025-03-15 (produced 2025-03-15T13:01:07+00:00), after the report: allocated (dated 2020-10-13)"}]},{"event_id":"f1e9d7c2589a93b4","registry":"ARIN","report_date":"2020-10-13","source":"arin_issued","raw_action":"ADD","raw_line":"Add 45.78.144.0-45.78.159.255","resource_type":"ipv4","resource":"45.78.144.0/20","start":"45.78.144.0","end":"45.78.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"ColoMX LLC","recipient_organization":"Evoque Data Center Solutions","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:59+00:00","page":"https://rirtracker.com/ip/45.78.144.0-45.78.159.255/#e-f1e9d7c2589a93b4","report_page":"https://rirtracker.com/arin/reports/2020-10-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.78.144.0-45.78.159.255.json","explanation":"ARIN's transfer log records a transfer from ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN) on 2020-10-13 12:06 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/2020-October/004323.html","retrieved_at":"2026-10-12T18:41:04+00:00","summary":"ARIN-Issued report for 2020-10-13: \"Add 45.78.144.0-45.78.159.255\""},{"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 2020-10-13 12:06 UTC, ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN); resources moved: 45.78.144.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201012.gz","retrieved_at":"2026-10-12T22:31:44+00:00","summary":"ARIN delegated statistics 2020-10-12 (produced 2020-10-12T14:00:13+00:00), before the report: allocated (dated 2015-05-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201014.gz","retrieved_at":"2026-10-12T22:31:49+00:00","summary":"ARIN delegated statistics 2020-10-14 (produced 2020-10-14T14:00:14+00:00), after the report: allocated (dated 2020-10-13)"}]},{"event_id":"9b4e12a043e0b4f7","registry":"ARIN","report_date":"2016-05-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"45.78.144.0/20","start":"45.78.144.0","end":"45.78.159.255","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":"2026-10-14T00:01:56+00:00","page":"https://rirtracker.com/ip/45.78.144.0-45.78.159.255/#e-9b4e12a043e0b4f7","report_page":"https://rirtracker.com/arin/reports/2016-05-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.78.144.0-45.78.159.255.json","observed":"45.78.144.0/20 allocated on 2016-05-10, reserved on 2016-05-11","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":"2016-07-09","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 2015-05-07) on 2016-05-09 and reserved on 2016-05-11. 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 2016-07-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160511.gz","retrieved_at":"2026-10-12T21:10:11+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 45.78.144.0/20 allocated on 2016-05-10, reserved on 2016-05-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160509.gz","retrieved_at":"2026-10-12T21:10:06+00:00","summary":"ARIN delegated statistics 2016-05-09 (produced 2016-05-09T05:05:03+00:00), before the report: allocated (dated 2015-05-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160511.gz","retrieved_at":"2026-10-12T21:10:11+00:00","summary":"ARIN delegated statistics 2016-05-11 (produced 2016-05-11T05:05:06+00:00), after the report: reserved"}]},{"event_id":"9036ed848a5d4756","registry":"ARIN","report_date":"2015-05-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 45.78.144.0-45.78.159.255","resource_type":"ipv4","resource":"45.78.144.0/20","start":"45.78.144.0","end":"45.78.159.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","page":"https://rirtracker.com/ip/45.78.144.0-45.78.159.255/#e-9036ed848a5d4756","report_page":"https://rirtracker.com/arin/reports/2015-05-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/45.78.144.0-45.78.159.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-06 and allocated (dated 2015-05-07) on 2015-05-08. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-May/002338.html","retrieved_at":"2026-10-12T18:38:47+00:00","summary":"ARIN-Issued report for 2015-05-07: \"Add 45.78.144.0-45.78.159.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150506.gz","retrieved_at":"2026-10-12T20:52:12+00:00","summary":"ARIN delegated statistics 2015-05-06 (produced 2015-05-06T05:05:16+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150508.gz","retrieved_at":"2026-10-12T20:52:17+00:00","summary":"ARIN delegated statistics 2015-05-08 (produced 2015-05-08T05:05:00+00:00), after the report: allocated (dated 2015-05-07)"}]}],"classification_history":{"ee450de9388af674":[{"raw_change_id":573107,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Evoque Data Center Solutions (ARIN) to Centersquare (ARIN) on 2025-03-14 17:45 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."}],"f1e9d7c2589a93b4":[{"raw_change_id":168018,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:50:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN) on 2020-10-13 12:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168018,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN) on 2020-10-13 12:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168018,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN) on 2020-10-13 12:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168018,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:59+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from ColoMX LLC (ARIN) to Evoque Data Center Solutions (ARIN) on 2020-10-13 12:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"9b4e12a043e0b4f7":[{"raw_change_id":317388,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:03:38+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 2015-05-07) on 2016-05-09 and reserved on 2016-05-11. 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 2016-07-09. This does not confirm availability."},{"raw_change_id":317388,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:28+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 2015-05-07) on 2016-05-09 and reserved on 2016-05-11. 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 2016-07-09. This does not confirm availability."},{"raw_change_id":317388,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:55+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 2015-05-07) on 2016-05-09 and reserved on 2016-05-11. 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 2016-07-09. This does not confirm availability."},{"raw_change_id":317388,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:56+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 2015-05-07) on 2016-05-09 and reserved on 2016-05-11. 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 2016-07-09. This does not confirm availability."}],"9036ed848a5d4756":[{"raw_change_id":137353,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:31:02+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-06 and allocated (dated 2015-05-07) on 2015-05-08. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137353,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-06 and allocated (dated 2015-05-07) on 2015-05-08. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137353,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-06 and allocated (dated 2015-05-07) on 2015-05-08. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137353,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:23+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-05-06 and allocated (dated 2015-05-07) on 2015-05-08. The tracker saw this range released from hold on 2011-08-03 (45.2.0.0-45.255.255.255), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2020-10-13)"}}