{"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":"141.195.96.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/141.195.96.0-141.195.127.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2023-12-19), allocated (dated 2023-12-20), allocated (dated 2023-12-27)"},"current_holder":{"rir":"ARIN","org":"Cloud Backbone Services LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42272,"date":"2025-12-16T17:08:47Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"RADNOC, LLC","recipient_org":"RadWeb, LLC","range":"141.195.116.0/22","log":"ARIN"},{"id":26084,"date":"2021-11-12T21:39:15Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Allegheny College","recipient_org":"Cloud Backbone Services LLC","range":"141.195.96.0/19","log":"ARIN"}],"events":[{"event_id":"63fde2d785ebb6b3","registry":"ARIN","report_date":"2023-12-19","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 141.195.96.0-141.195.127.255","resource_type":"ipv4","resource":"141.195.96.0/19","start":"141.195.96.0","end":"141.195.127.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:54+00:00","page":"https://rirtracker.com/ip/141.195.96.0-141.195.127.255/#e-63fde2d785ebb6b3","report_page":"https://rirtracker.com/arin/reports/2023-12-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/141.195.96.0-141.195.127.255.json","explanation":"ARIN's statistics show it reserved on 2023-12-18 and allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved on 2023-12-20. ARIN removed its own pool record for this range as part of issuing it: the same report adds 141.195.96.0-141.195.97.255, 141.195.98.0-141.195.99.255, 141.195.108.0-141.195.111.255, 141.195.112.0-141.195.115.255 and 1 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2023-12-20: Remove 141.195.104.0-141.195.107.255; 2023-12-20: Remove 141.195.124.0-141.195.127.255; 2023-12-20: Add 141.195.104.0-141.195.107.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-December/005485.html","retrieved_at":"2026-10-12T18:42:25+00:00","summary":"ARIN-Issued report for 2023-12-19: \"Remove 141.195.96.0-141.195.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231218.gz","retrieved_at":"2026-10-12T23:32:10+00:00","summary":"ARIN delegated statistics 2023-12-18 (produced 2023-12-18T14:00:32+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231220.gz","retrieved_at":"2026-10-12T23:32:15+00:00","summary":"ARIN delegated statistics 2023-12-20 (produced 2023-12-20T14:00:35+00:00), after the report: allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved"}]},{"event_id":"a806e7a97a255fb4","registry":"ARIN","report_date":"2023-04-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"141.195.96.0/19","start":"141.195.96.0","end":"141.195.127.255","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":"2026-10-14T00:10:30+00:00","page":"https://rirtracker.com/ip/141.195.96.0-141.195.127.255/#e-a806e7a97a255fb4","report_page":"https://rirtracker.com/arin/reports/2023-04-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/141.195.96.0-141.195.127.255.json","observed":"141.195.96.0/19 allocated on 2023-04-10, reserved on 2023-04-11","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":"2023-06-09","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 2021-11-12) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 141.195.96.0/19 allocated on 2023-04-10, reserved on 2023-04-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230409.gz","retrieved_at":"2026-10-12T23:18:47+00:00","summary":"ARIN delegated statistics 2023-04-09 (produced 2023-04-09T13:00:11+00:00), before the report: allocated (dated 2021-11-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"ARIN delegated statistics 2023-04-11 (produced 2023-04-11T13:00:11+00:00), after the report: reserved"}]},{"event_id":"c7057fe476840910","registry":"ARIN","report_date":"2021-11-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 141.195.96.0-141.195.127.255","resource_type":"ipv4","resource":"141.195.96.0/19","start":"141.195.96.0","end":"141.195.127.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Allegheny College","recipient_organization":"Cloud Backbone Services LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:16+00:00","page":"https://rirtracker.com/ip/141.195.96.0-141.195.127.255/#e-c7057fe476840910","report_page":"https://rirtracker.com/arin/reports/2021-11-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/141.195.96.0-141.195.127.255.json","explanation":"ARIN's transfer log records a transfer from Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN) on 2021-11-12 21:39 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/2021-November/004718.html","retrieved_at":"2026-10-12T18:41:32+00:00","summary":"ARIN-Issued report for 2021-11-12: \"Add 141.195.96.0-141.195.127.255\""},{"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 2021-11-12 21:39 UTC, Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN); resources moved: 141.195.96.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211111.gz","retrieved_at":"2026-10-12T22:51:59+00:00","summary":"ARIN delegated statistics 2021-11-11 (produced 2021-11-11T14:00:13+00:00), before the report: assigned (dated 1990-07-27)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211113.gz","retrieved_at":"2026-10-12T22:52:04+00:00","summary":"ARIN delegated statistics 2021-11-13 (produced 2021-11-13T14:00:13+00:00), after the report: allocated (dated 2021-11-12)"}]}],"classification_history":{"63fde2d785ebb6b3":[{"raw_change_id":184617,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:00:39+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-12-18 and allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved on 2023-12-20. ARIN removed its own pool record for this range as part of issuing it: the same report adds 141.195.96.0-141.195.97.255, 141.195.98.0-141.195.99.255, 141.195.108.0-141.195.111.255, 141.195.112.0-141.195.115.255 and 1 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2023-12-20: Remove 141.195.104.0-141.195.107.255; 2023-12-20: Add 141.195.104.0-141.195.107.255; 2023-12-20: Remove 141.195.124.0-141.195.127.255), so the before-and-after statistics may include it."},{"raw_change_id":184617,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:36+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-12-18 and allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved on 2023-12-20. ARIN removed its own pool record for this range as part of issuing it: the same report adds 141.195.96.0-141.195.97.255, 141.195.98.0-141.195.99.255, 141.195.108.0-141.195.111.255, 141.195.112.0-141.195.115.255 and 1 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2023-12-20: Remove 141.195.104.0-141.195.107.255; 2023-12-20: Remove 141.195.124.0-141.195.127.255; 2023-12-20: Add 141.195.104.0-141.195.107.255), so the before-and-after statistics may include it."},{"raw_change_id":184617,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:27+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-12-18 and allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved on 2023-12-20. ARIN removed its own pool record for this range as part of issuing it: the same report adds 141.195.96.0-141.195.97.255, 141.195.98.0-141.195.99.255, 141.195.108.0-141.195.111.255, 141.195.112.0-141.195.115.255 and 1 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2023-12-20: Remove 141.195.104.0-141.195.107.255; 2023-12-20: Remove 141.195.124.0-141.195.127.255; 2023-12-20: Add 141.195.104.0-141.195.107.255), so the before-and-after statistics may include it."},{"raw_change_id":184617,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:54+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2023-12-18 and allocated (dated 2023-12-19), allocated (dated 2023-12-20), reserved on 2023-12-20. ARIN removed its own pool record for this range as part of issuing it: the same report adds 141.195.96.0-141.195.97.255, 141.195.98.0-141.195.99.255, 141.195.108.0-141.195.111.255, 141.195.112.0-141.195.115.255 and 1 more. The issuance is explained on those lines. Another change to this range was reported the day before or after (2023-12-20: Remove 141.195.104.0-141.195.107.255; 2023-12-20: Remove 141.195.124.0-141.195.127.255; 2023-12-20: Add 141.195.104.0-141.195.107.255), so the before-and-after statistics may include it."}],"a806e7a97a255fb4":[{"raw_change_id":445337,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:58:48+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 2021-11-12) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445337,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:35+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 2021-11-12) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445337,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:34+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 2021-11-12) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."},{"raw_change_id":445337,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:30+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 2021-11-12) on 2023-04-09 and reserved on 2023-04-11. 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 2023-06-09. This does not confirm availability."}],"c7057fe476840910":[{"raw_change_id":174035,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:54:16+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN) on 2021-11-12 21:39 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":174035,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN) on 2021-11-12 21:39 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":174035,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:55+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN) on 2021-11-12 21:39 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":174035,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Allegheny College (ARIN) to Cloud Backbone Services LLC (ARIN) on 2021-11-12 21:39 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 2023-12-19), allocated (dated 2023-12-20), allocated (dated 2023-12-27)"}}