{"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":"161.145.96.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.145.96.0-161.145.103.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1992-10-22)"},"current_holder":{"rir":"APNIC","org":"CARRIER TECHNOLOGIES INDIA LIMITED","handle":"ORG-CTIL6-AP","how":"RDAP, looked up 2026-11-05 18:25 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"000000000000000000000000a1916000","end_key":"000000000000000000000000a19167ff","captured_at":"2026-11-05T18:25:45+00:00","reason":"7d","authoritative_rir":"APNIC","handle":"161.145.96.0 - 161.145.103.255","name":"CTIL-IN","status":"active","org_handle":"ORG-CTIL6-AP","org_name":"CARRIER TECHNOLOGIES INDIA LIMITED","country_code":"IN","registration_date":"2026-10-29T01:55:30Z","last_changed_date":"2026-10-29T01:55:30Z","rdap_url":"https://rdap.arin.net/registry/ip/161.145.96.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000a1916000","end_key":"000000000000000000000000a19167ff","captured_at":"2026-10-31T18:19:36+00:00","reason":"24h","authoritative_rir":"APNIC","handle":"161.145.96.0 - 161.145.103.255","name":"CTIL-IN","status":"active","org_handle":"ORG-CTIL6-AP","org_name":"CARRIER TECHNOLOGIES INDIA LIMITED","country_code":"IN","registration_date":"2026-10-29T01:55:30Z","last_changed_date":"2026-10-29T01:55:30Z","rdap_url":"https://rdap.arin.net/registry/ip/161.145.96.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000a1916000","end_key":"000000000000000000000000a19167ff","captured_at":"2026-10-29T18:26:46+00:00","reason":"first","authoritative_rir":"APNIC","handle":"161.145.96.0 - 161.145.103.255","name":"CTIL-IN","status":"active","org_handle":"ORG-CTIL6-AP","org_name":"CARRIER TECHNOLOGIES INDIA LIMITED","country_code":"IN","registration_date":"2026-10-29T01:55:30Z","last_changed_date":"2026-10-29T01:55:30Z","rdap_url":"https://rdap.arin.net/registry/ip/161.145.96.0"}],"transfers":[{"id":39315,"date":"2025-03-12T12:30:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Carrier Corporation","recipient_org":"CARRIER TECHNOLOGIES INDIA LIMITED","range":"161.145.96.0/21","log":"ARIN"},{"id":130037,"date":"2025-03-12T05:29:10Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"CC-4421","recipient_org":"CARRIER TECHNOLOGIES INDIA LIMITED","range":"161.145.96.0/21","log":"APNIC"},{"id":24797,"date":"2021-06-02T05:12:37Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"United Technologies - Carrier","recipient_org":"Carrier Corporation","range":"161.145.0.0/16","log":"ARIN"}],"events":[{"event_id":"d6cc84e8517f2ca4","registry":"APNIC","report_date":"2026-10-29","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"161.145.96.0/21","start":"161.145.96.0","end":"161.145.103.255","classification":"RESTORED","classification_label":"Restored to the same holder","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-29T18:29:21+00:00","page":"https://rirtracker.com/ip/161.145.96.0-161.145.103.255/#e-d6cc84e8517f2ca4","report_page":"https://rirtracker.com/apnic/reports/2026-10-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.145.96.0-161.145.103.255.json","observed":"161.145.96.0/21 reserved on 2026-10-29, allocated on 2026-10-30","explanation":"No transfer record matches. APNIC's statistics show it reserved on 2026-10-29 and allocated (dated 1992-10-22) on 2026-10-30. The tracker saw it removed from registration on 2026-04-27 (185 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20261030.gz","retrieved_at":"2026-10-29T18:17:33+00:00","summary":"Found by comparing APNIC's daily statistics: 161.145.96.0/21 reserved on 2026-10-29, allocated on 2026-10-30"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20261029.gz","retrieved_at":"2026-10-28T18:17:32+00:00","summary":"APNIC delegated statistics 2026-10-29, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20261030.gz","retrieved_at":"2026-10-29T18:17:33+00:00","summary":"APNIC delegated statistics 2026-10-30, after the change: allocated (dated 1992-10-22)"}]},{"event_id":"1e867f27cf7c28dd","registry":"APNIC","report_date":"2026-04-27","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"161.145.96.0/21","start":"161.145.96.0","end":"161.145.103.255","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":"2026-10-13T23:46:08+00:00","page":"https://rirtracker.com/ip/161.145.96.0-161.145.103.255/#e-1e867f27cf7c28dd","report_page":"https://rirtracker.com/apnic/reports/2026-04-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.145.96.0-161.145.103.255.json","observed":"161.145.96.0/21 allocated on 2026-04-27, reserved on 2026-04-28","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2027-04-27","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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. 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 2027-04-27. 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/2026/delegated-apnic-extended-20260428.gz","retrieved_at":"2026-10-12T16:21:52+00:00","summary":"Found by comparing APNIC's daily statistics: 161.145.96.0/21 allocated on 2026-04-27, reserved on 2026-04-28"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20260427.gz","retrieved_at":"2026-10-12T16:21:49+00:00","summary":"APNIC delegated statistics 2026-04-27, before the change: allocated (dated 1992-10-22)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2026/delegated-apnic-extended-20260428.gz","retrieved_at":"2026-10-12T16:21:52+00:00","summary":"APNIC delegated statistics 2026-04-28, after the change: reserved"}]},{"event_id":"f80ae89a1a55908f","registry":"ARIN","report_date":"2025-03-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.145.96.0/21","start":"161.145.96.0","end":"161.145.103.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Carrier Corporation","recipient_organization":"CARRIER TECHNOLOGIES INDIA LIMITED","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":"2026-10-14T00:19:20+00:00","page":"https://rirtracker.com/ip/161.145.96.0-161.145.103.255/#e-f80ae89a1a55908f","report_page":"https://rirtracker.com/arin/reports/2025-03-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.145.96.0-161.145.103.255.json","observed":"Transfer: Carrier Corporation (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC)","piece_of":{"resource":"161.145.0.0/16","page":"https://rirtracker.com/ip/161.145.0.0-161.145.255.255/"},"same_transfer_as":"f251b35231ee7e48","explanation":"ARIN's transfer log records a transfer from Carrier Corporation (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 12:30 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 2025-03-12 12:30 UTC, Carrier Corporation (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC); resources moved: 161.145.96.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250311.gz","retrieved_at":"2026-10-12T23:56:14+00:00","summary":"ARIN delegated statistics 2025-03-11 (produced 2025-03-11T13:01:06+00:00), before the report: allocated (dated 1992-10-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250313.gz","retrieved_at":"2026-10-12T23:56:20+00:00","summary":"ARIN delegated statistics 2025-03-13 (produced 2025-03-13T13:01:07+00:00), after the report: not listed"}]},{"event_id":"f251b35231ee7e48","registry":"APNIC","report_date":"2025-03-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.145.96.0/21","start":"161.145.96.0","end":"161.145.103.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"CC-4421","recipient_organization":"CARRIER TECHNOLOGIES INDIA LIMITED","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:53+00:00","page":"https://rirtracker.com/ip/161.145.96.0-161.145.103.255/#e-f251b35231ee7e48","report_page":"https://rirtracker.com/apnic/reports/2025-03-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.145.96.0-161.145.103.255.json","observed":"Transfer: CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC)","same_transfer_as":"f80ae89a1a55908f","explanation":"APNIC's transfer log records a transfer from CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 05:29 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 2025-03-12 05:29 UTC, CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC); resources moved: 161.145.96.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250312.gz","retrieved_at":"2026-10-13T01:32:04+00:00","summary":"APNIC delegated statistics 2025-03-12, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250313.gz","retrieved_at":"2026-10-13T01:32:08+00:00","summary":"APNIC delegated statistics 2025-03-13, after the change: allocated (dated 1992-10-22)"}]}],"classification_history":{"d6cc84e8517f2ca4":[{"raw_change_id":579113,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-29T18:29:21+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2026-10-29 and allocated (dated 1992-10-22) on 2026-10-30. The tracker saw it removed from registration on 2026-04-27 (185 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."}],"1e867f27cf7c28dd":[{"raw_change_id":24287,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.2.0","classified_at":"2026-10-12T17:43:16+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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":24287,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-12T18:23:11+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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. 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":24287,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:28+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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. 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":24287,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:35+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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. 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":24287,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:08+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 allocated (dated 1992-10-22) on 2026-04-27 and reserved on 2026-04-28. 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 2027-04-27. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"f80ae89a1a55908f":[{"raw_change_id":573091,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Carrier Corporation (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 12:30 UTC: it left ARIN for APNIC. It is not a new allocation and is not offered to ARIN applicants."}],"f251b35231ee7e48":[{"raw_change_id":42116,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:45+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 05:29 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":42116,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:06+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 05:29 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":42116,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:17+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 05:29 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":42116,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:53+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from CC-4421 (ARIN) to CARRIER TECHNOLOGIES INDIA LIMITED (APNIC) on 2025-03-12 05:29 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"}}