{"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":"72.9.128.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/72.9.128.0-72.9.143.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2009-12-09)"},"current_holder":{"rir":"APNIC","org":"WorldLink Communications Ltd","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":24586,"date":"2021-05-11T14:11:26Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Elite Hosts","recipient_org":"WorldLink Communications Ltd","range":"72.9.128.0/20","log":"ARIN"},{"id":127257,"date":"2021-05-11T07:27:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"BDU-27","recipient_org":"WorldLink Communications","range":"72.9.128.0/20","log":"APNIC"},{"id":24120,"date":"2021-03-18T17:23:09Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Elite Hosts, Inc.","recipient_org":"Elite Hosts","range":"72.9.128.0/20","log":"ARIN"}],"events":[{"event_id":"8a7d91df209c9da7","registry":"ARIN","report_date":"2021-05-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"72.9.128.0/20","start":"72.9.128.0","end":"72.9.143.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Elite Hosts","recipient_organization":"WorldLink Communications Ltd","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:10+00:00","page":"https://rirtracker.com/ip/72.9.128.0-72.9.143.255/#e-8a7d91df209c9da7","report_page":"https://rirtracker.com/arin/reports/2021-05-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/72.9.128.0-72.9.143.255.json","observed":"72.9.128.0/20 allocated on 2021-05-11, not listed on 2021-05-12","same_transfer_as":"bdfed209a49d5c80","explanation":"ARIN's transfer log records a transfer from Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC) on 2021-05-11 14:11 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210512.gz","retrieved_at":"2026-10-12T22:42:38+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 72.9.128.0/20 allocated on 2021-05-11, not listed on 2021-05-12"},{"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 2021-05-11 14:11 UTC, Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC); resources moved: 72.9.128.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210510.gz","retrieved_at":"2026-10-12T22:42:34+00:00","summary":"ARIN delegated statistics 2021-05-10 (produced 2021-05-10T14:00:13+00:00), before the report: allocated (dated 2009-02-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210512.gz","retrieved_at":"2026-10-12T22:42:38+00:00","summary":"ARIN delegated statistics 2021-05-12 (produced 2021-05-12T14:00:12+00:00), after the report: not listed"}]},{"event_id":"bdfed209a49d5c80","registry":"APNIC","report_date":"2021-05-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"72.9.128.0/20","start":"72.9.128.0","end":"72.9.143.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"BDU-27","recipient_organization":"WorldLink Communications","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:42+00:00","page":"https://rirtracker.com/ip/72.9.128.0-72.9.143.255/#e-bdfed209a49d5c80","report_page":"https://rirtracker.com/apnic/reports/2021-05-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/72.9.128.0-72.9.143.255.json","observed":"Transfer: BDU-27 (ARIN) to WorldLink Communications (APNIC)","same_transfer_as":"8a7d91df209c9da7","explanation":"APNIC's transfer log records a transfer from BDU-27 (ARIN) to WorldLink Communications (APNIC) on 2021-05-11 07:27 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2021-05-11 07:27 UTC, BDU-27 (ARIN) to WorldLink Communications (APNIC); resources moved: 72.9.128.0/20"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210511.gz","retrieved_at":"2026-10-12T23:44:15+00:00","summary":"APNIC delegated statistics 2021-05-11, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210512.gz","retrieved_at":"2026-10-12T23:44:29+00:00","summary":"APNIC delegated statistics 2021-05-12, after the change: allocated (dated 2009-12-09)"}]},{"event_id":"26b65f185ae85e3c","registry":"ARIN","report_date":"2021-03-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"72.9.128.0/20","start":"72.9.128.0","end":"72.9.143.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Elite Hosts, Inc.","recipient_organization":"Elite Hosts","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/ip/72.9.128.0-72.9.143.255/#e-26b65f185ae85e3c","report_page":"https://rirtracker.com/arin/reports/2021-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/72.9.128.0-72.9.143.255.json","observed":"Merger/acquisition: Elite Hosts, Inc. (ARIN) to Elite Hosts (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Elite Hosts, Inc. (ARIN) to Elite Hosts (ARIN) on 2021-03-18 17:23 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 2021-03-18 17:23 UTC, Elite Hosts, Inc. (ARIN) to Elite Hosts (ARIN); resources moved: 72.9.128.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210317.gz","retrieved_at":"2026-10-12T22:39:50+00:00","summary":"ARIN delegated statistics 2021-03-17 (produced 2021-03-17T14:00:14+00:00), before the report: allocated (dated 2009-02-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210319.gz","retrieved_at":"2026-10-12T22:39:55+00:00","summary":"ARIN delegated statistics 2021-03-19 (produced 2021-03-19T14:00:14+00:00), after the report: allocated (dated 2009-02-12)"}]},{"event_id":"2480b3fa29bf86fc","registry":"ARIN","report_date":"2009-02-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 72.9.128.0-72.9.143.255","resource_type":"ipv4","resource":"72.9.128.0/20","start":"72.9.128.0","end":"72.9.143.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-13T23:50:44+00:00","page":"https://rirtracker.com/ip/72.9.128.0-72.9.143.255/#e-2480b3fa29bf86fc","report_page":"https://rirtracker.com/arin/reports/2009-02-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/72.9.128.0-72.9.143.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-11 and allocated (dated 2009-02-12) on 2009-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2009-February/000055.html","retrieved_at":"2026-10-12T18:36:09+00:00","summary":"ARIN-Issued report for 2009-02-12: \"Add 72.9.128.0-72.9.143.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090211.gz","retrieved_at":"2026-10-12T18:46:23+00:00","summary":"ARIN delegated statistics 2009-02-11, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090213.gz","retrieved_at":"2026-10-12T18:46:30+00:00","summary":"ARIN delegated statistics 2009-02-13, after the report: allocated (dated 2009-02-12)"}]}],"classification_history":{"8a7d91df209c9da7":[{"raw_change_id":412238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:45:22+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC) on 2021-05-11 14:11 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":412238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC) on 2021-05-11 14:11 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":412238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC) on 2021-05-11 14:11 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":412238,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Elite Hosts (ARIN) to WorldLink Communications Ltd (APNIC) on 2021-05-11 14:11 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"bdfed209a49d5c80":[{"raw_change_id":37726,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:47+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BDU-27 (ARIN) to WorldLink Communications (APNIC) on 2021-05-11 07:27 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":37726,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:57+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BDU-27 (ARIN) to WorldLink Communications (APNIC) on 2021-05-11 07:27 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":37726,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:07+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BDU-27 (ARIN) to WorldLink Communications (APNIC) on 2021-05-11 07:27 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":37726,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:42+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from BDU-27 (ARIN) to WorldLink Communications (APNIC) on 2021-05-11 07:27 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"26b65f185ae85e3c":[{"raw_change_id":562975,"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 Elite Hosts, Inc. (ARIN) to Elite Hosts (ARIN) on 2021-03-18 17:23 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."}],"2480b3fa29bf86fc":[{"raw_change_id":118962,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:02+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-11 and allocated (dated 2009-02-12) on 2009-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":118962,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:13+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-11 and allocated (dated 2009-02-12) on 2009-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":118962,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:46+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-11 and allocated (dated 2009-02-12) on 2009-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":118962,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:44+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2009-02-11 and allocated (dated 2009-02-12) on 2009-02-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"not listed"}}