{"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":"173.252.145.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/173.252.145.0-173.252.145.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2010-09-10)"},"current_holder":{"rir":"RIPE NCC","org":"Core IP Solutions LLC","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":117108,"date":"2025-12-09T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Core IP Solutions LLC","range":"173.252.145.0/24","log":"RIPE NCC"},{"id":42185,"date":"2025-12-09T16:50:58Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"BroadbandONE, LLC","recipient_org":"Core IP Solutions LLC","range":"173.252.145.0/24","log":"ARIN"},{"id":30463,"date":"2023-02-07T20:36:52Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Sungard Availability Network Solutions, Inc.","recipient_org":"BroadbandONE, LLC","range":"173.252.145.0/24","log":"ARIN"}],"events":[{"event_id":"8567e950d99c1cb2","registry":"ARIN","report_date":"2025-12-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"173.252.145.0/24","start":"173.252.145.0","end":"173.252.145.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"BroadbandONE, LLC","recipient_organization":"Core IP Solutions LLC","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":"2026-10-14T00:13:54+00:00","page":"https://rirtracker.com/ip/173.252.145.0-173.252.145.255/#e-8567e950d99c1cb2","report_page":"https://rirtracker.com/arin/reports/2025-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.252.145.0-173.252.145.255.json","observed":"173.252.145.0/24 allocated on 2025-12-09, not listed on 2025-12-10","same_transfer_as":"348718caa397d02a","explanation":"ARIN's transfer log records a transfer from BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 16:50 UTC: it left ARIN for the RIPE NCC. 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/2025/delegated-arin-extended-20251210.gz","retrieved_at":"2026-10-13T00:11:35+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 173.252.145.0/24 allocated on 2025-12-09, not listed on 2025-12-10"},{"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 2025-12-09 16:50 UTC, BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC); resources moved: 173.252.145.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251208.gz","retrieved_at":"2026-10-13T00:11:30+00:00","summary":"ARIN delegated statistics 2025-12-08 (produced 2025-12-08T14:00:46+00:00), before the report: allocated (dated 2010-09-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251210.gz","retrieved_at":"2026-10-13T00:11:35+00:00","summary":"ARIN delegated statistics 2025-12-10 (produced 2025-12-10T14:00:48+00:00), after the report: not listed"}]},{"event_id":"348718caa397d02a","registry":"RIPE NCC","report_date":"2025-12-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"173.252.145.0/24","start":"173.252.145.0","end":"173.252.145.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Core IP Solutions LLC","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":"2026-10-13T23:50:40+00:00","page":"https://rirtracker.com/ip/173.252.145.0-173.252.145.255/#e-348718caa397d02a","report_page":"https://rirtracker.com/ripe/reports/2025-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.252.145.0-173.252.145.255.json","observed":"Transfer: (no name) (ARIN) to Core IP Solutions LLC (RIPE NCC)","same_transfer_as":"8567e950d99c1cb2","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. 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 2025-12-09 19:00 UTC, (no name) (ARIN) to Core IP Solutions LLC (RIPE NCC); resources moved: 173.252.145.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20251208.bz2","retrieved_at":"2026-10-13T01:15:35+00:00","summary":"RIPE NCC delegated statistics 2025-12-08 (produced 2025-12-08T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20251209.bz2","retrieved_at":"2026-10-13T01:15:38+00:00","summary":"RIPE NCC delegated statistics 2025-12-09 (produced 2025-12-09T22:59:59+00:00), after the change: allocated (dated 2010-09-10)"}]},{"event_id":"dc05c01af0da5052","registry":"ARIN","report_date":"2023-02-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"173.252.145.0/24","start":"173.252.145.0","end":"173.252.145.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Sungard Availability Network Solutions, Inc.","recipient_organization":"BroadbandONE, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:06+00:00","page":"https://rirtracker.com/ip/173.252.145.0-173.252.145.255/#e-dc05c01af0da5052","report_page":"https://rirtracker.com/arin/reports/2023-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.252.145.0-173.252.145.255.json","observed":"Merger/acquisition: Sungard Availability Network Solutions, Inc. (ARIN) to BroadbandONE, LLC (ARIN)","piece_of":{"resource":"173.252.128.0/18","page":"https://rirtracker.com/ip/173.252.128.0-173.252.191.255/"},"explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Sungard Availability Network Solutions, Inc. (ARIN) to BroadbandONE, LLC (ARIN) on 2023-02-07 20:36 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","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: MERGER_ACQUISITION on 2023-02-07 20:36 UTC, Sungard Availability Network Solutions, Inc. (ARIN) to BroadbandONE, LLC (ARIN); resources moved: 173.252.145.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230206.gz","retrieved_at":"2026-10-12T23:15:24+00:00","summary":"ARIN delegated statistics 2023-02-06 (produced 2023-02-06T14:00:10+00:00), before the report: allocated (dated 2010-09-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230208.gz","retrieved_at":"2026-10-12T23:15:29+00:00","summary":"ARIN delegated statistics 2023-02-08 (produced 2023-02-08T14:00:11+00:00), after the report: allocated (dated 2010-09-16)"}]}],"classification_history":{"8567e950d99c1cb2":[{"raw_change_id":489440,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:19:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 16:50 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":489440,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:24:14+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 16:50 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":489440,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:08:25+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 16:50 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":489440,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:54+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from BroadbandONE, LLC (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 16:50 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"348718caa397d02a":[{"raw_change_id":117940,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:10:34+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":117940,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:10+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":117940,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:43+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":117940,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:40+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Core IP Solutions LLC (RIPE NCC) on 2025-12-09 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"dc05c01af0da5052":[{"raw_change_id":567375,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:06+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Sungard Availability Network Solutions, Inc. (ARIN) to BroadbandONE, LLC (ARIN) on 2023-02-07 20:36 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"not listed"}}