{"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":"136.228.128.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/136.228.128.0-136.228.159.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1989-03-10)"},"current_holder":{"rir":"APNIC","org":"S.I. Group","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":12850,"date":"2018-04-10T11:59:43Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"GS Computer Services Inc.","recipient_org":"S.I. Group","range":"136.228.128.0/19","log":"ARIN"},{"id":125719,"date":"2018-04-10T05:26:39Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"GCS-10","recipient_org":"S.I Group","range":"136.228.128.0/19","log":"APNIC"}],"events":[{"event_id":"e8cb689f3903a40c","registry":"ARIN","report_date":"2018-04-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"136.228.128.0/19","start":"136.228.128.0","end":"136.228.159.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"GS Computer Services Inc.","recipient_organization":"S.I. Group","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":"2026-10-14T00:04:09+00:00","page":"https://rirtracker.com/ip/136.228.128.0-136.228.159.255/#e-e8cb689f3903a40c","report_page":"https://rirtracker.com/arin/reports/2018-04-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/136.228.128.0-136.228.159.255.json","observed":"136.228.128.0/19 assigned on 2018-04-10, not listed on 2018-04-11","same_transfer_as":"37f34c98e5fa4348","explanation":"ARIN's transfer log records a transfer from GS Computer Services Inc. (ARIN) to S.I. Group (APNIC) on 2018-04-10 11:59 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/2018/delegated-arin-extended-20180411.gz","retrieved_at":"2026-10-12T21:44:30+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 136.228.128.0/19 assigned on 2018-04-10, not listed on 2018-04-11"},{"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 2018-04-10 11:59 UTC, GS Computer Services Inc. (ARIN) to S.I. Group (APNIC); resources moved: 136.228.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180409.gz","retrieved_at":"2026-10-12T21:44:25+00:00","summary":"ARIN delegated statistics 2018-04-09 (produced 2018-04-09T05:11:44+00:00), before the report: assigned (dated 1989-10-03)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180411.gz","retrieved_at":"2026-10-12T21:44:30+00:00","summary":"ARIN delegated statistics 2018-04-11 (produced 2018-04-11T05:11:41+00:00), after the report: not listed"}]},{"event_id":"37f34c98e5fa4348","registry":"APNIC","report_date":"2018-04-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"136.228.128.0/19","start":"136.228.128.0","end":"136.228.159.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"GCS-10","recipient_organization":"S.I Group","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:36+00:00","page":"https://rirtracker.com/ip/136.228.128.0-136.228.159.255/#e-37f34c98e5fa4348","report_page":"https://rirtracker.com/apnic/reports/2018-04-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/136.228.128.0-136.228.159.255.json","observed":"Transfer: GCS-10 (ARIN) to S.I Group (APNIC)","same_transfer_as":"e8cb689f3903a40c","explanation":"APNIC's transfer log records a transfer from GCS-10 (ARIN) to S.I Group (APNIC) on 2018-04-10 05:26 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 2018-04-10 05:26 UTC, GCS-10 (ARIN) to S.I Group (APNIC); resources moved: 136.228.128.0/19"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20180410.gz","retrieved_at":"2026-10-12T22:26:02+00:00","summary":"APNIC delegated statistics 2018-04-10, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2018/delegated-apnic-extended-20180411.gz","retrieved_at":"2026-10-12T22:26:06+00:00","summary":"APNIC delegated statistics 2018-04-11, after the change: allocated (dated 1989-03-10)"}]}],"classification_history":{"e8cb689f3903a40c":[{"raw_change_id":351791,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:20:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GS Computer Services Inc. (ARIN) to S.I. Group (APNIC) on 2018-04-10 11:59 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":351791,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:20+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GS Computer Services Inc. (ARIN) to S.I. Group (APNIC) on 2018-04-10 11:59 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":351791,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:55+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GS Computer Services Inc. (ARIN) to S.I. Group (APNIC) on 2018-04-10 11:59 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":351791,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:09+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from GS Computer Services Inc. (ARIN) to S.I. Group (APNIC) on 2018-04-10 11:59 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."}],"37f34c98e5fa4348":[{"raw_change_id":35229,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:35:42+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from GCS-10 (ARIN) to S.I Group (APNIC) on 2018-04-10 05:26 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35229,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:52+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from GCS-10 (ARIN) to S.I Group (APNIC) on 2018-04-10 05:26 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35229,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:01+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from GCS-10 (ARIN) to S.I Group (APNIC) on 2018-04-10 05:26 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":35229,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:36+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from GCS-10 (ARIN) to S.I Group (APNIC) on 2018-04-10 05:26 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}