{"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":"203.23.255.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/203.23.255.0-203.23.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1996-02-19)"},"current_holder":{"rir":"RIPE NCC","org":"ORG-ATA69-RIPE","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":131261,"date":"2025-09-24T00:17:09Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":"BL Software Pty Ltd","recipient_org":"ORG-ATA69-RIPE","range":"203.23.255.0/24","log":"APNIC"},{"id":115293,"date":"2025-09-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Ahlatci Teknoloji A.S","range":"203.23.255.0/24","log":"RIPE NCC"}],"events":[{"event_id":"367cd71947ff30d6","registry":"APNIC","report_date":"2025-09-24","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"203.23.255.0/24","start":"203.23.255.0","end":"203.23.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_organization":"BL Software Pty Ltd","recipient_organization":"ORG-ATA69-RIPE","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":"2026-10-13T23:46:58+00:00","page":"https://rirtracker.com/ip/203.23.255.0-203.23.255.255/#e-367cd71947ff30d6","report_page":"https://rirtracker.com/apnic/reports/2025-09-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/203.23.255.0-203.23.255.255.json","observed":"Transfer: BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC)","same_transfer_as":"35be44f4b50fc7c6","explanation":"APNIC's transfer log records a transfer from BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC) on 2025-09-24 00:17 UTC: it left APNIC for the RIPE NCC. 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 2025-09-24 00:17 UTC, BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC); resources moved: 203.23.255.0/24"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250924.gz","retrieved_at":"2026-10-13T01:47:06+00:00","summary":"APNIC delegated statistics 2025-09-24, before the change: assigned (dated 1996-02-19)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250925.gz","retrieved_at":"2026-10-13T01:47:10+00:00","summary":"APNIC delegated statistics 2025-09-25, after the change: not listed"}]},{"event_id":"35be44f4b50fc7c6","registry":"RIPE NCC","report_date":"2025-09-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"203.23.255.0/24","start":"203.23.255.0","end":"203.23.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Ahlatci Teknoloji A.S","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:34+00:00","page":"https://rirtracker.com/ip/203.23.255.0-203.23.255.255/#e-35be44f4b50fc7c6","report_page":"https://rirtracker.com/ripe/reports/2025-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/203.23.255.0-203.23.255.255.json","observed":"Transfer: (no name) (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC)","same_transfer_as":"367cd71947ff30d6","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC) on 2025-09-23 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-09-23 19:00 UTC, (no name) (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC); resources moved: 203.23.255.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250922.bz2","retrieved_at":"2026-10-13T01:09:27+00:00","summary":"RIPE NCC delegated statistics 2025-09-22 (produced 2025-09-22T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250923.bz2","retrieved_at":"2026-10-13T01:09:52+00:00","summary":"RIPE NCC delegated statistics 2025-09-23 (produced 2025-09-23T21:59:59+00:00), after the change: assigned (dated 1996-02-19)"}]},{"event_id":"0587f42b1f2ac4be","registry":"APNIC","report_date":"2023-09-04","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"203.23.255.0/24","start":"203.23.255.0","end":"203.23.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:15:47+00:00","page":"https://rirtracker.com/ip/203.23.255.0-203.23.255.255/#e-0587f42b1f2ac4be","report_page":"https://rirtracker.com/apnic/reports/2023-09-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/203.23.255.0-203.23.255.255.json","observed":"203.23.255.0/24 reserved on 2023-09-04, assigned on 2023-09-05","explanation":"No transfer record matches. APNIC's statistics show it reserved on 2023-09-04 and assigned (dated 1996-02-19) on 2023-09-05. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230905.gz","retrieved_at":"2026-10-13T00:48:52+00:00","summary":"Found by comparing APNIC's daily statistics: 203.23.255.0/24 reserved on 2023-09-04, assigned on 2023-09-05"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230904.gz","retrieved_at":"2026-10-13T00:48:48+00:00","summary":"APNIC delegated statistics 2023-09-04, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230905.gz","retrieved_at":"2026-10-13T00:48:52+00:00","summary":"APNIC delegated statistics 2023-09-05, after the change: assigned (dated 1996-02-19)"}]},{"event_id":"02dfcaf9a76ee739","registry":"APNIC","report_date":"2023-08-21","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"203.23.255.0/24","start":"203.23.255.0","end":"203.23.255.255","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":"2026-10-14T00:15:41+00:00","page":"https://rirtracker.com/ip/203.23.255.0-203.23.255.255/#e-02dfcaf9a76ee739","report_page":"https://rirtracker.com/apnic/reports/2023-08-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/203.23.255.0-203.23.255.255.json","observed":"203.23.255.0/24 assigned on 2023-08-21, reserved on 2023-08-22","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2024-08-21","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 1996-02-19) on 2023-08-21 and reserved on 2023-08-22. 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 2024-08-21. 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/2023/delegated-apnic-extended-20230822.gz","retrieved_at":"2026-10-13T00:47:24+00:00","summary":"Found by comparing APNIC's daily statistics: 203.23.255.0/24 assigned on 2023-08-21, reserved on 2023-08-22"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230821.gz","retrieved_at":"2026-10-13T00:47:20+00:00","summary":"APNIC delegated statistics 2023-08-21, before the change: assigned (dated 1996-02-19)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2023/delegated-apnic-extended-20230822.gz","retrieved_at":"2026-10-13T00:47:24+00:00","summary":"APNIC delegated statistics 2023-08-22, after the change: reserved"}]}],"classification_history":{"367cd71947ff30d6":[{"raw_change_id":44350,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:39:32+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC) on 2025-09-24 00:17 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":44350,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:09+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC) on 2025-09-24 00:17 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":44350,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:21+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC) on 2025-09-24 00:17 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":44350,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:58+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from BL Software Pty Ltd (APNIC) to ORG-ATA69-RIPE (RIPE NCC) on 2025-09-24 00:17 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."}],"35be44f4b50fc7c6":[{"raw_change_id":116102,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:09:46+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC) on 2025-09-23 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":116102,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:06+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC) on 2025-09-23 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":116102,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:38+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC) on 2025-09-23 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":116102,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:34+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Ahlatci Teknoloji A.S (RIPE NCC) on 2025-09-23 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."}],"0587f42b1f2ac4be":[{"raw_change_id":514652,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T06:32:07+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2023-09-04 and assigned (dated 1996-02-19) on 2023-09-05. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":514652,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:25:49+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2023-09-04 and assigned (dated 1996-02-19) on 2023-09-05. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":514652,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:07+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2023-09-04 and assigned (dated 1996-02-19) on 2023-09-05. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":514652,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-14T00:15:47+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2023-09-04 and assigned (dated 1996-02-19) on 2023-09-05. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"02dfcaf9a76ee739":[{"raw_change_id":513285,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:31:03+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 1996-02-19) on 2023-08-21 and reserved on 2023-08-22. 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":513285,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:25:44+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 1996-02-19) on 2023-08-21 and reserved on 2023-08-22. 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":513285,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:02+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 1996-02-19) on 2023-08-21 and reserved on 2023-08-22. 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":513285,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:15:41+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 1996-02-19) on 2023-08-21 and reserved on 2023-08-22. 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 2024-08-21. That is what APNIC has done, not a rule it states. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}