{"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":"AS18607","resource_type":"asn","page":"https://rirtracker.com/asn/18607/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2000-09-19)"},"current_holder":{"rir":"RIPE NCC","org":"Gustav Caplan","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":111038,"date":"2025-01-16T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Gustav Caplan","range":"AS18607","log":"RIPE NCC"},{"id":4319,"date":"2025-01-16T14:53:09Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"StackPath ABC, LLC","recipient_org":"Gustav Caplan","range":"AS18607","log":"ARIN"},{"id":4106,"date":"2024-09-06T14:47:27Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"StackPath, LLC.","recipient_org":"StackPath ABC, LLC","range":"AS18607","log":"ARIN"},{"id":2862,"date":"2022-05-06T18:01:46Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Highwinds Network Group, Inc.","recipient_org":"StackPath, LLC.","range":"AS18607","log":"ARIN"}],"events":[{"event_id":"a6ac086fc6a8685f","registry":"ARIN","report_date":"2025-01-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS18607","resource_type":"asn","resource":"AS18607","start":18607,"end":18607,"classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"StackPath ABC, LLC","recipient_organization":"Gustav Caplan","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":"2026-10-13T23:54:19+00:00","page":"https://rirtracker.com/asn/18607/#e-a6ac086fc6a8685f","report_page":"https://rirtracker.com/arin/reports/2025-01-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18607.json","same_transfer_as":"b8470c6e7f64d414","explanation":"ARIN's transfer log records a transfer from StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 14:53 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-January/005878.html","retrieved_at":"2026-10-12T18:42:52+00:00","summary":"ARIN-Issued report for 2025-01-16: \"Add AS18607\""},{"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 2025-01-16 14:53 UTC, StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC); resources moved: AS18607"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250115.gz","retrieved_at":"2026-10-12T23:53:11+00:00","summary":"ARIN delegated statistics 2025-01-15 (produced 2025-01-15T14:01:07+00:00), before the report: assigned (dated 2000-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250117.gz","retrieved_at":"2026-10-12T23:53:16+00:00","summary":"ARIN delegated statistics 2025-01-17 (produced 2025-01-17T14:01:06+00:00), after the report: not listed"}]},{"event_id":"b8470c6e7f64d414","registry":"RIPE NCC","report_date":"2025-01-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS18607","start":18607,"end":18607,"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":"Gustav Caplan","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":"2026-10-13T23:50:20+00:00","page":"https://rirtracker.com/asn/18607/#e-b8470c6e7f64d414","report_page":"https://rirtracker.com/ripe/reports/2025-01-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18607.json","observed":"Transfer: (no name) (ARIN) to Gustav Caplan (RIPE NCC)","same_transfer_as":"a6ac086fc6a8685f","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 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 2025-01-16 19:00 UTC, (no name) (ARIN) to Gustav Caplan (RIPE NCC); resources moved: AS18607"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250115.bz2","retrieved_at":"2026-10-13T00:50:21+00:00","summary":"RIPE NCC delegated statistics 2025-01-15 (produced 2025-01-15T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250116.bz2","retrieved_at":"2026-10-13T00:50:24+00:00","summary":"RIPE NCC delegated statistics 2025-01-16 (produced 2025-01-16T22:59:59+00:00), after the change: allocated (dated 2000-09-19)"}]},{"event_id":"18fdf96896e18f6f","registry":"ARIN","report_date":"2024-09-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS18607","start":18607,"end":18607,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"StackPath, LLC.","recipient_organization":"StackPath ABC, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","page":"https://rirtracker.com/asn/18607/#e-18fdf96896e18f6f","report_page":"https://rirtracker.com/arin/reports/2024-09-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18607.json","observed":"Merger/acquisition: StackPath, LLC. (ARIN) to StackPath ABC, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from StackPath, LLC. (ARIN) to StackPath ABC, LLC (ARIN) on 2024-09-06 14:47 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 2024-09-06 14:47 UTC, StackPath, LLC. (ARIN) to StackPath ABC, LLC (ARIN); resources moved: AS18607"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240905.gz","retrieved_at":"2026-10-12T23:46:05+00:00","summary":"ARIN delegated statistics 2024-09-05 (produced 2024-09-05T13:00:52+00:00), before the report: assigned (dated 2000-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240907.gz","retrieved_at":"2026-10-12T23:46:20+00:00","summary":"ARIN delegated statistics 2024-09-07 (produced 2024-09-07T13:00:52+00:00), after the report: assigned (dated 2000-09-19)"}]},{"event_id":"343dcb20be376f22","registry":"ARIN","report_date":"2022-05-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS18607","start":18607,"end":18607,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Highwinds Network Group, Inc.","recipient_organization":"StackPath, LLC.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/asn/18607/#e-343dcb20be376f22","report_page":"https://rirtracker.com/arin/reports/2022-05-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18607.json","observed":"Merger/acquisition: Highwinds Network Group, Inc. (ARIN) to StackPath, LLC. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Highwinds Network Group, Inc. (ARIN) to StackPath, LLC. (ARIN) on 2022-05-06 18:01 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 2022-05-06 18:01 UTC, Highwinds Network Group, Inc. (ARIN) to StackPath, LLC. (ARIN); resources moved: AS18607"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220505.gz","retrieved_at":"2026-10-12T23:00:53+00:00","summary":"ARIN delegated statistics 2022-05-05 (produced 2022-05-05T13:00:10+00:00), before the report: assigned (dated 2000-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220507.gz","retrieved_at":"2026-10-12T23:01:06+00:00","summary":"ARIN delegated statistics 2022-05-07 (produced 2022-05-07T13:00:10+00:00), after the report: assigned (dated 2000-09-19)"}]}],"classification_history":{"a6ac086fc6a8685f":[{"raw_change_id":191670,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 14:53 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":191670,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 14:53 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":191670,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 14:53 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":191670,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:19+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from StackPath ABC, LLC (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 14:53 UTC: it left ARIN for the RIPE NCC. ARIN-Issued lists it as \"Add\"; it is not a new allocation and is not offered to ARIN applicants."}],"b8470c6e7f64d414":[{"raw_change_id":111707,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:07:47+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 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":111707,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:54+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 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":111707,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:25+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 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":111707,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:20+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Gustav Caplan (RIPE NCC) on 2025-01-16 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."}],"18fdf96896e18f6f":[{"raw_change_id":571586,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from StackPath, LLC. (ARIN) to StackPath ABC, LLC (ARIN) on 2024-09-06 14:47 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."}],"343dcb20be376f22":[{"raw_change_id":565550,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Highwinds Network Group, Inc. (ARIN) to StackPath, LLC. (ARIN) on 2022-05-06 18:01 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"}}