{"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":"170.205.64.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.205.64.0-170.205.127.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1994-12-01)"},"current_holder":{"rir":"RIPE NCC","org":"Swisscom (Schweiz) AG","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":67258,"date":"2019-12-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Swisscom (Schweiz) AG","range":"170.205.64.0/18","log":"RIPE NCC"},{"id":19418,"date":"2019-12-02T13:29:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"IDEAL STANDARD INTERNATIONAL NV","recipient_org":"Swisscom (Schweiz) AG","range":"170.205.64.0/18","log":"ARIN"}],"events":[{"event_id":"f69783489398f9aa","registry":"RIPE NCC","report_date":"2019-12-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.205.64.0/18","start":"170.205.64.0","end":"170.205.127.255","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":"Swisscom (Schweiz) AG","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":"2026-10-13T23:48:03+00:00","page":"https://rirtracker.com/ip/170.205.64.0-170.205.127.255/#e-f69783489398f9aa","report_page":"https://rirtracker.com/ripe/reports/2019-12-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.205.64.0-170.205.127.255.json","observed":"Transfer: (no name) (ARIN) to Swisscom (Schweiz) AG (RIPE NCC)","same_transfer_as":"3a9412ab69d96dbe","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 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 2019-12-02 19:00 UTC, (no name) (ARIN) to Swisscom (Schweiz) AG (RIPE NCC); resources moved: 170.205.64.0/18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191201.bz2","retrieved_at":"2026-10-12T22:25:27+00:00","summary":"RIPE NCC delegated statistics 2019-12-01 (produced 2019-12-01T22:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191202.bz2","retrieved_at":"2026-10-12T22:25:30+00:00","summary":"RIPE NCC delegated statistics 2019-12-02 (produced 2019-12-02T22:59:59+00:00), after the change: allocated (dated 1994-12-01)"}]},{"event_id":"3a9412ab69d96dbe","registry":"ARIN","report_date":"2019-12-01","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"170.205.64.0/18","start":"170.205.64.0","end":"170.205.127.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"IDEAL STANDARD INTERNATIONAL NV","recipient_organization":"Swisscom (Schweiz) AG","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":"2026-10-14T00:06:15+00:00","page":"https://rirtracker.com/ip/170.205.64.0-170.205.127.255/#e-3a9412ab69d96dbe","report_page":"https://rirtracker.com/arin/reports/2019-12-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.205.64.0-170.205.127.255.json","observed":"170.205.64.0/18 assigned on 2019-12-01, not listed on 2019-12-02","same_transfer_as":"f69783489398f9aa","explanation":"ARIN's transfer log records a transfer from IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 13:29 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/2019/delegated-arin-extended-20191202.gz","retrieved_at":"2026-10-12T22:15:17+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 170.205.64.0/18 assigned on 2019-12-01, not listed on 2019-12-02"},{"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 2019-12-02 13:29 UTC, IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC); resources moved: 170.205.64.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191130.gz","retrieved_at":"2026-10-12T22:15:12+00:00","summary":"ARIN delegated statistics 2019-11-30 (produced 2019-11-30T15:00:14+00:00), before the report: assigned (dated 1994-12-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191202.gz","retrieved_at":"2026-10-12T22:15:17+00:00","summary":"ARIN delegated statistics 2019-12-02 (produced 2019-12-02T15:00:13+00:00), after the report: not listed"}]},{"event_id":"235dba4cb5395089","registry":"ARIN","report_date":"2017-11-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"170.205.64.0/18","start":"170.205.64.0","end":"170.205.127.255","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":"2026-10-14T00:03:36+00:00","page":"https://rirtracker.com/ip/170.205.64.0-170.205.127.255/#e-235dba4cb5395089","report_page":"https://rirtracker.com/arin/reports/2017-11-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.205.64.0-170.205.127.255.json","observed":"170.205.64.0/18 assigned on 2017-11-07, reserved on 2017-11-08","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2018-01-06","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1994-12-01) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2018-01-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171108.gz","retrieved_at":"2026-10-12T21:36:59+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 170.205.64.0/18 assigned on 2017-11-07, reserved on 2017-11-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171106.gz","retrieved_at":"2026-10-12T21:36:54+00:00","summary":"ARIN delegated statistics 2017-11-06 (produced 2017-11-06T06:10:37+00:00), before the report: assigned (dated 1994-12-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171108.gz","retrieved_at":"2026-10-12T21:36:59+00:00","summary":"ARIN delegated statistics 2017-11-08 (produced 2017-11-08T06:10:49+00:00), after the report: reserved"}]}],"classification_history":{"f69783489398f9aa":[{"raw_change_id":66967,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:48:56+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 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":66967,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:04+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 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":66967,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:22+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 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":66967,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:03+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 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."}],"3a9412ab69d96dbe":[{"raw_change_id":384437,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:33:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 13:29 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":384437,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 13:29 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":384437,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 13:29 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":384437,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:15+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from IDEAL STANDARD INTERNATIONAL NV (ARIN) to Swisscom (Schweiz) AG (RIPE NCC) on 2019-12-02 13:29 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."}],"235dba4cb5395089":[{"raw_change_id":343376,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:16:22+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1994-12-01) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2018-01-06. This does not confirm availability."},{"raw_change_id":343376,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:52+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1994-12-01) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2018-01-06. This does not confirm availability."},{"raw_change_id":343376,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:26+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1994-12-01) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2018-01-06. This does not confirm availability."},{"raw_change_id":343376,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:36+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 1994-12-01) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2018-01-06. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}