{"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":"172.241.248.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/172.241.248.0-172.241.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-12-23)"},"current_holder":{"rir":"ARIN","org":"LU","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":126390,"date":"2019-12-24T02:35:42Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"LEASEWEB SINGAPORE PTE. LTD.","recipient_org":"LU","range":"172.241.248.0/21","log":"APNIC"},{"id":19607,"date":"2019-12-23T16:01:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Leaseweb Asia Pacific pte. ltd","recipient_org":"Leaseweb USA, Inc.","range":"172.241.248.0/21","log":"ARIN"},{"id":125410,"date":"2017-07-20T16:03:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NTGL","recipient_org":"LEASEWEB SINGAPORE PTE. LTD.","range":"172.241.248.0/21","log":"APNIC"},{"id":10502,"date":"2017-07-20T14:26:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb Asia Pacific pte ltd","range":"172.241.248.0/21","log":"ARIN"}],"events":[{"event_id":"36e5a810874f3f08","registry":"APNIC","report_date":"2019-12-24","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"172.241.248.0/21","start":"172.241.248.0","end":"172.241.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"LEASEWEB SINGAPORE PTE. LTD.","recipient_organization":"LU","inventory_effect":"Transferred out of APNIC administration; not offered to APNIC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","page":"https://rirtracker.com/ip/172.241.248.0-172.241.255.255/#e-36e5a810874f3f08","report_page":"https://rirtracker.com/apnic/reports/2019-12-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.241.248.0-172.241.255.255.json","observed":"Transfer: LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN)","same_transfer_as":"6a1e51ccd1fcced6","explanation":"APNIC's transfer log records a transfer from LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN) on 2019-12-24 02:35 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants.","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 2019-12-24 02:35 UTC, LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN); resources moved: 172.241.248.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20191224.gz","retrieved_at":"2026-10-12T23:08:56+00:00","summary":"APNIC delegated statistics 2019-12-24, before the change: allocated (dated 2013-04-08)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2019/delegated-apnic-extended-20191225.gz","retrieved_at":"2026-10-12T23:09:09+00:00","summary":"APNIC delegated statistics 2019-12-25, after the change: not listed"}]},{"event_id":"6a1e51ccd1fcced6","registry":"ARIN","report_date":"2019-12-23","source":"arin_issued","raw_action":"ADD","raw_line":"Add 172.241.248.0-172.241.255.255","resource_type":"ipv4","resource":"172.241.248.0/21","start":"172.241.248.0","end":"172.241.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Leaseweb Asia Pacific pte. ltd","recipient_organization":"Leaseweb USA, Inc.","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","page":"https://rirtracker.com/ip/172.241.248.0-172.241.255.255/#e-6a1e51ccd1fcced6","report_page":"https://rirtracker.com/arin/reports/2019-12-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.241.248.0-172.241.255.255.json","same_transfer_as":"36e5a810874f3f08","explanation":"ARIN's transfer log records a transfer from Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN) on 2019-12-23 16:01 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-December/004029.html","retrieved_at":"2026-10-12T18:40:43+00:00","summary":"ARIN-Issued report for 2019-12-23: \"Add 172.241.248.0-172.241.255.255\""},{"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 2019-12-23 16:01 UTC, Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN); resources moved: 172.241.248.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191222.gz","retrieved_at":"2026-10-12T22:16:27+00:00","summary":"ARIN delegated statistics 2019-12-22 (produced 2019-12-22T15:00:14+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191224.gz","retrieved_at":"2026-10-12T22:16:32+00:00","summary":"ARIN delegated statistics 2019-12-24 (produced 2019-12-24T15:00:14+00:00), after the report: allocated (dated 2019-12-23)"}]},{"event_id":"31924919ce7e4fd5","registry":"APNIC","report_date":"2017-07-21","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"172.241.248.0/21","start":"172.241.248.0","end":"172.241.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"NTGL","recipient_organization":"LEASEWEB SINGAPORE PTE. LTD.","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:35+00:00","page":"https://rirtracker.com/ip/172.241.248.0-172.241.255.255/#e-31924919ce7e4fd5","report_page":"https://rirtracker.com/apnic/reports/2017-07-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.241.248.0-172.241.255.255.json","observed":"Transfer: NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC)","same_transfer_as":"43d8dce509ada733","explanation":"APNIC's transfer log records a transfer from NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC) on 2017-07-20 16:03 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 2017-07-20 16:03 UTC, NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC); resources moved: 23.106.120.0/21, 23.111.12.0/22, 64.120.110.0/23, 64.120.112.0/21, 64.120.120.0/23, 172.241.248.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2017/delegated-apnic-extended-20170721.gz","retrieved_at":"2026-10-12T22:08:25+00:00","summary":"APNIC delegated statistics 2017-07-21, before the change: allocated (dated 2013-04-08)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2017/delegated-apnic-extended-20170722.gz","retrieved_at":"2026-10-12T22:08:28+00:00","summary":"APNIC delegated statistics 2017-07-22, after the change: allocated (dated 2013-04-08)"}]},{"event_id":"43d8dce509ada733","registry":"ARIN","report_date":"2017-07-20","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"172.241.248.0/21","start":"172.241.248.0","end":"172.241.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Nobis Technology Group, LLC","recipient_organization":"Leaseweb Asia Pacific pte 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":"2026-10-14T00:18:31+00:00","page":"https://rirtracker.com/ip/172.241.248.0-172.241.255.255/#e-43d8dce509ada733","report_page":"https://rirtracker.com/arin/reports/2017-07-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.241.248.0-172.241.255.255.json","observed":"Transfer: Nobis Technology Group, LLC (ARIN) to Leaseweb Asia Pacific pte ltd (APNIC)","piece_of":{"resource":"172.240.0.0/15","page":"https://rirtracker.com/ip/172.240.0.0-172.241.255.255/"},"same_transfer_as":"31924919ce7e4fd5","explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb Asia Pacific pte ltd (APNIC) on 2017-07-20 14:26 UTC: it left ARIN for APNIC. It is not a new allocation and is not offered to ARIN applicants.","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: RESOURCE_TRANSFER on 2017-07-20 14:26 UTC, Nobis Technology Group, LLC (ARIN) to Leaseweb Asia Pacific pte ltd (APNIC); resources moved: 172.241.248.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170719.gz","retrieved_at":"2026-10-12T21:31:21+00:00","summary":"ARIN delegated statistics 2017-07-19 (produced 2017-07-19T05:09:16+00:00), before the report: allocated (dated 2013-04-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170721.gz","retrieved_at":"2026-10-12T21:31:35+00:00","summary":"ARIN delegated statistics 2017-07-21 (produced 2017-07-21T05:09:49+00:00), after the report: not listed"}]}],"classification_history":{"36e5a810874f3f08":[{"raw_change_id":36269,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:11+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN) on 2019-12-24 02:35 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":36269,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:54+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN) on 2019-12-24 02:35 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":36269,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN) on 2019-12-24 02:35 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":36269,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from LEASEWEB SINGAPORE PTE. LTD. (APNIC) to LU (ARIN) on 2019-12-24 02:35 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"6a1e51ccd1fcced6":[{"raw_change_id":162874,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:46:37+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN) on 2019-12-23 16:01 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":162874,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:41+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN) on 2019-12-23 16:01 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":162874,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:25+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN) on 2019-12-23 16:01 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":162874,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Leaseweb Asia Pacific pte. ltd (APNIC) to Leaseweb USA, Inc. (ARIN) on 2019-12-23 16:01 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}],"31924919ce7e4fd5":[{"raw_change_id":34743,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:35:29+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC) on 2017-07-20 16:03 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":34743,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:51+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC) on 2017-07-20 16:03 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":34743,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:00+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC) on 2017-07-20 16:03 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":34743,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:35+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from NTGL (ARIN) to LEASEWEB SINGAPORE PTE. LTD. (APNIC) on 2017-07-20 16:03 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"43d8dce509ada733":[{"raw_change_id":552784,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:31+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Nobis Technology Group, LLC (ARIN) to Leaseweb Asia Pacific pte ltd (APNIC) on 2017-07-20 14:26 UTC: it left ARIN for APNIC. It is not a new allocation and is not offered to ARIN applicants."}]},"arin_statistics_now":{"status":"allocated (dated 2019-12-23)"}}