{"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":"103.38.104.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/103.38.104.0-103.38.107.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2023-08-28)"},"current_holder":{"rir":"APNIC","org":"ZS NETWORK (HONGKONG) LIMITED","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":124294,"date":"2015-11-16T03:24:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Aaia Global Cloud Limited","recipient_org":"ZS NETWORK (HONGKONG) LIMITED","range":"103.38.104.0/22","log":"APNIC"}],"events":[{"event_id":"76ffe6e805c3e744","registry":"APNIC","report_date":"2021-03-08","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"103.38.104.0/22","start":"103.38.104.0","end":"103.38.107.255","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":"2026-10-14T00:11:58+00:00","page":"https://rirtracker.com/ip/103.38.104.0-103.38.107.255/#e-76ffe6e805c3e744","report_page":"https://rirtracker.com/apnic/reports/2021-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.38.104.0-103.38.107.255.json","observed":"103.38.104.0/22 assigned on 2021-03-08, reserved on 2021-03-09","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2022-03-08","availability_statement":"Possible reissue candidate after this date; not confirmed available","hold_rule_observed":true},"explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2014-09-04) on 2021-03-08 and reserved on 2021-03-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2022-03-08. That is what APNIC has done, not a rule it states. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210309.gz","retrieved_at":"2026-10-12T23:39:54+00:00","summary":"Found by comparing APNIC's daily statistics: 103.38.104.0/22 assigned on 2021-03-08, reserved on 2021-03-09"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210308.gz","retrieved_at":"2026-10-12T23:39:51+00:00","summary":"APNIC delegated statistics 2021-03-08, before the change: assigned (dated 2014-09-04)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210309.gz","retrieved_at":"2026-10-12T23:39:54+00:00","summary":"APNIC delegated statistics 2021-03-09, after the change: reserved"}]},{"event_id":"b34687c63611ac71","registry":"APNIC","report_date":"2015-11-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"103.38.104.0/22","start":"103.38.104.0","end":"103.38.107.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Aaia Global Cloud Limited","recipient_organization":"ZS NETWORK (HONGKONG) LIMITED","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","page":"https://rirtracker.com/ip/103.38.104.0-103.38.107.255/#e-b34687c63611ac71","report_page":"https://rirtracker.com/apnic/reports/2015-11-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.38.104.0-103.38.107.255.json","observed":"Transfer: Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC)","explanation":"APNIC's transfer log records a transfer from Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC) on 2015-11-16 03:24 UTC. The registration changed hands; it is not a new allocation from APNIC.","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 2015-11-16 03:24 UTC, Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC); resources moved: 43.242.232.0/22, 103.38.104.0/22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151116.gz","retrieved_at":"2026-10-12T21:27:50+00:00","summary":"APNIC delegated statistics 2015-11-16, before the change: assigned (dated 2014-09-04)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151117.gz","retrieved_at":"2026-10-12T21:27:54+00:00","summary":"APNIC delegated statistics 2015-11-17, after the change: assigned (dated 2014-09-04)"}]},{"event_id":"4b0c41c8ffe1fccb","registry":"APNIC","report_date":"2014-09-04","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"103.38.104.0/22","start":"103.38.104.0","end":"103.38.107.255","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 APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:26+00:00","page":"https://rirtracker.com/ip/103.38.104.0-103.38.107.255/#e-4b0c41c8ffe1fccb","report_page":"https://rirtracker.com/apnic/reports/2014-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/103.38.104.0-103.38.107.255.json","observed":"103.38.104.0/22 available on 2014-09-04, assigned on 2014-09-05","explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-04 and assigned (dated 2014-09-04) on 2014-09-05. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140905.gz","retrieved_at":"2026-10-12T21:00:30+00:00","summary":"Found by comparing APNIC's daily statistics: 103.38.104.0/22 available on 2014-09-04, assigned on 2014-09-05"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140904.gz","retrieved_at":"2026-10-12T21:00:24+00:00","summary":"APNIC delegated statistics 2014-09-04, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140905.gz","retrieved_at":"2026-10-12T21:00:30+00:00","summary":"APNIC delegated statistics 2014-09-05, after the change: assigned (dated 2014-09-04)"}]}],"classification_history":{"76ffe6e805c3e744":[{"raw_change_id":465125,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:07:48+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2014-09-04) on 2021-03-08 and reserved on 2021-03-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":465125,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:44+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2014-09-04) on 2021-03-08 and reserved on 2021-03-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":465125,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:49+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2014-09-04) on 2021-03-08 and reserved on 2021-03-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":465125,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:58+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2014-09-04) on 2021-03-08 and reserved on 2021-03-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2022-03-08. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"b34687c63611ac71":[{"raw_change_id":33143,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:53+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC) on 2015-11-16 03:24 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33143,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:48+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC) on 2015-11-16 03:24 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33143,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:57+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC) on 2015-11-16 03:24 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":33143,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Aaia Global Cloud Limited (APNIC) to ZS NETWORK (HONGKONG) LIMITED (APNIC) on 2015-11-16 03:24 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"4b0c41c8ffe1fccb":[{"raw_change_id":309507,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:00:03+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-04 and assigned (dated 2014-09-04) on 2014-09-05. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":309507,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:02+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-04 and assigned (dated 2014-09-04) on 2014-09-05. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":309507,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:27+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-04 and assigned (dated 2014-09-04) on 2014-09-05. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":309507,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:26+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-09-04 and assigned (dated 2014-09-04) on 2014-09-05. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."}]},"arin_statistics_now":{"status":"not listed"}}