{"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":"AS51610","resource_type":"asn","page":"https://rirtracker.com/asn/51610/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2015-01-06)"},"current_holder":{"rir":"RIPE NCC","org":"Signet Bank AS","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":106729,"date":"2024-07-12T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Bank M2M Europe AS","recipient_org":"Signet Bank AS","range":"AS51610","log":"RIPE NCC"}],"events":[{"event_id":"48f1253d7a447cd4","registry":"RIPE NCC","report_date":"2024-07-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS51610","start":51610,"end":51610,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Bank M2M Europe AS","recipient_organization":"Signet Bank AS","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:06+00:00","page":"https://rirtracker.com/asn/51610/#e-48f1253d7a447cd4","report_page":"https://rirtracker.com/ripe/reports/2024-07-12/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/51610.json","observed":"Merger/acquisition: Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC) on 2024-07-12 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","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: MERGER_ACQUISITION on 2024-07-12 19:00 UTC, Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC); resources moved: AS51610"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240711.bz2","retrieved_at":"2026-10-13T00:35:01+00:00","summary":"RIPE NCC delegated statistics 2024-07-11 (produced 2024-07-11T21:59:59+00:00), before the change: allocated (dated 2015-01-06)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240712.bz2","retrieved_at":"2026-10-13T00:35:04+00:00","summary":"RIPE NCC delegated statistics 2024-07-12 (produced 2024-07-12T21:59:59+00:00), after the change: allocated (dated 2015-01-06)"}]},{"event_id":"d8b67ad9d8f5ac72","registry":"RIPE NCC","report_date":"2015-01-06","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS51610","start":51610,"end":51610,"classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:08+00:00","page":"https://rirtracker.com/asn/51610/#e-d8b67ad9d8f5ac72","report_page":"https://rirtracker.com/ripe/reports/2015-01-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/51610.json","observed":"AS51610 reserved on 2015-01-05, allocated on 2015-01-06","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2015-01-05 and allocated (dated 2015-01-06) on 2015-01-06. The tracker saw this range removed from registration on 2012-06-06 (AS51610), so it appears to have been issued again from the RIPE NCC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20150106.bz2","retrieved_at":"2026-10-12T20:14:31+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: AS51610 reserved on 2015-01-05, allocated on 2015-01-06"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20150105.bz2","retrieved_at":"2026-10-12T20:14:28+00:00","summary":"RIPE NCC delegated statistics 2015-01-05 (produced 2015-01-05T22:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2015/delegated-ripencc-extended-20150106.bz2","retrieved_at":"2026-10-12T20:14:31+00:00","summary":"RIPE NCC delegated statistics 2015-01-06 (produced 2015-01-06T22:59:59+00:00), after the change: allocated (dated 2015-01-06)"}]},{"event_id":"a75d60164ec58f67","registry":"RIPE NCC","report_date":"2012-06-06","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"asn","resource":"AS51610","start":51610,"end":51610,"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":"2026-10-13T23:56:22+00:00","page":"https://rirtracker.com/asn/51610/#e-a75d60164ec58f67","report_page":"https://rirtracker.com/ripe/reports/2012-06-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/51610.json","observed":"AS51610 allocated on 2012-06-05, reserved on 2012-06-06","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-10-07) on 2012-06-05 and reserved on 2012-06-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120606.bz2","retrieved_at":"2026-10-12T19:17:37+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: AS51610 allocated on 2012-06-05, reserved on 2012-06-06"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120605.bz2","retrieved_at":"2026-10-12T19:17:34+00:00","summary":"RIPE NCC delegated statistics 2012-06-05 (produced 2012-06-05T21:59:59+00:00), before the change: allocated (dated 2010-10-07)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120606.bz2","retrieved_at":"2026-10-12T19:17:37+00:00","summary":"RIPE NCC delegated statistics 2012-06-06 (produced 2012-06-06T21:59:59+00:00), after the change: reserved"}]},{"event_id":"6258e5af69d610f8","registry":"RIPE NCC","report_date":"2010-10-08","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS51610","start":51610,"end":51610,"classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:49+00:00","page":"https://rirtracker.com/asn/51610/#e-6258e5af69d610f8","report_page":"https://rirtracker.com/ripe/reports/2010-10-08/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/51610.json","observed":"AS51610 available on 2010-10-07, allocated on 2010-10-08","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-10-07 and allocated (dated 2010-10-07) on 2010-10-08. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20101008.bz2","retrieved_at":"2026-10-12T18:45:30+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: AS51610 available on 2010-10-07, allocated on 2010-10-08"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20101007.bz2","retrieved_at":"2026-10-12T18:45:27+00:00","summary":"RIPE NCC delegated statistics 2010-10-07, before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20101008.bz2","retrieved_at":"2026-10-12T18:45:30+00:00","summary":"RIPE NCC delegated statistics 2010-10-08, after the change: allocated (dated 2010-10-07)"}]}],"classification_history":{"48f1253d7a447cd4":[{"raw_change_id":107325,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:05:52+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC) on 2024-07-12 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":107325,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:44+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC) on 2024-07-12 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":107325,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:13+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC) on 2024-07-12 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":107325,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:06+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Bank M2M Europe AS (RIPE NCC) to Signet Bank AS (RIPE NCC) on 2024-07-12 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}],"d8b67ad9d8f5ac72":[{"raw_change_id":274828,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:43:43+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2015-01-05 and allocated (dated 2015-01-06) on 2015-01-06. The tracker saw this range removed from registration on 2012-06-06 (AS51610), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":274828,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:03+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2015-01-05 and allocated (dated 2015-01-06) on 2015-01-06. The tracker saw this range removed from registration on 2012-06-06 (AS51610), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":274828,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:55:20+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2015-01-05 and allocated (dated 2015-01-06) on 2015-01-06. The tracker saw this range removed from registration on 2012-06-06 (AS51610), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":274828,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:08+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2015-01-05 and allocated (dated 2015-01-06) on 2015-01-06. The tracker saw this range removed from registration on 2012-06-06 (AS51610), so it appears to have been issued again from the RIPE NCC's pool."}],"a75d60164ec58f67":[{"raw_change_id":227272,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:19+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-10-07) on 2012-06-05 and reserved on 2012-06-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed ASNs for 180 days (six months), or longer while still routed, before reissuing them, so the earliest estimated hold expiration is 2012-12-03. This does not confirm availability."},{"raw_change_id":227272,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:38+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-10-07) on 2012-06-05 and reserved on 2012-06-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":227272,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:41+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-10-07) on 2012-06-05 and reserved on 2012-06-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":227272,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:22+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-10-07) on 2012-06-05 and reserved on 2012-06-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for ASNs applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}],"6258e5af69d610f8":[{"raw_change_id":200244,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:09:36+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-10-07 and allocated (dated 2010-10-07) on 2010-10-08. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":200244,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:17+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-10-07 and allocated (dated 2010-10-07) on 2010-10-08. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":200244,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:13+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-10-07 and allocated (dated 2010-10-07) on 2010-10-08. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."},{"raw_change_id":200244,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:49+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2010-10-07 and allocated (dated 2010-10-07) on 2010-10-08. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}