{"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":"66.172.64.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.172.64.0-66.172.95.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-05-05)"},"current_holder":{"rir":"ARIN","org":"Bulloch County Rural Telephone Cooperative, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":6897,"date":"2016-05-05T19:24:49Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Sunwave Communications","recipient_org":"Bulloch County Rural Telephone Cooperative, Inc.","range":"66.172.64.0/19","log":"ARIN"}],"events":[{"event_id":"687d198deb32558b","registry":"ARIN","report_date":"2016-05-05","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.172.64.0-66.172.95.255","resource_type":"ipv4","resource":"66.172.64.0/19","start":"66.172.64.0","end":"66.172.95.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Sunwave Communications","recipient_organization":"Bulloch County Rural Telephone Cooperative, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:34+00:00","page":"https://rirtracker.com/ip/66.172.64.0-66.172.95.255/#e-687d198deb32558b","report_page":"https://rirtracker.com/arin/reports/2016-05-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.172.64.0-66.172.95.255.json","explanation":"ARIN's transfer log records a transfer from Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN) on 2016-05-05 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2016-May/002702.html","retrieved_at":"2026-10-12T18:39:13+00:00","summary":"ARIN-Issued report for 2016-05-05: \"Add 66.172.64.0-66.172.95.255\""},{"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 2016-05-05 19:24 UTC, Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN); resources moved: 66.172.64.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160504.gz","retrieved_at":"2026-10-12T21:09:54+00:00","summary":"ARIN delegated statistics 2016-05-04 (produced 2016-05-04T05:05:04+00:00), before the report: allocated (dated 2003-07-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160506.gz","retrieved_at":"2026-10-12T21:09:58+00:00","summary":"ARIN delegated statistics 2016-05-06 (produced 2016-05-06T05:04:55+00:00), after the report: allocated (dated 2016-05-05)"}]},{"event_id":"500fc356e8593229","registry":"ARIN","report_date":"2012-06-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"66.172.64.0/19","start":"66.172.64.0","end":"66.172.95.255","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":"2026-10-13T23:57:28+00:00","page":"https://rirtracker.com/ip/66.172.64.0-66.172.95.255/#e-500fc356e8593229","report_page":"https://rirtracker.com/arin/reports/2012-06-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.172.64.0-66.172.95.255.json","observed":"66.172.64.0/19 allocated on 2012-06-05, not listed on 2012-06-06","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":"2012-08-04","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 allocated (dated 2003-07-31) on 2012-06-04 and not issued on 2012-06-06. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2012-08-04. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120606.gz","retrieved_at":"2026-10-12T19:36:33+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 66.172.64.0/19 allocated on 2012-06-05, not listed on 2012-06-06"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120604.gz","retrieved_at":"2026-10-12T19:36:28+00:00","summary":"ARIN delegated statistics 2012-06-04, before the report: allocated (dated 2003-07-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120606.gz","retrieved_at":"2026-10-12T19:36:33+00:00","summary":"ARIN delegated statistics 2012-06-06, after the report: not issued"}]}],"classification_history":{"687d198deb32558b":[{"raw_change_id":145039,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN) on 2016-05-05 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145039,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN) on 2016-05-05 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145039,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN) on 2016-05-05 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145039,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Sunwave Communications (ARIN) to Bulloch County Rural Telephone Cooperative, Inc. (ARIN) on 2016-05-05 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"500fc356e8593229":[{"raw_change_id":247246,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:29:38+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 allocated (dated 2003-07-31) on 2012-06-04 and not issued on 2012-06-06. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2012-08-04. This does not confirm availability."},{"raw_change_id":247246,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:36+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 allocated (dated 2003-07-31) on 2012-06-04 and not issued on 2012-06-06. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2012-08-04. This does not confirm availability."},{"raw_change_id":247246,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:44+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 allocated (dated 2003-07-31) on 2012-06-04 and not issued on 2012-06-06. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2012-08-04. This does not confirm availability."},{"raw_change_id":247246,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:28+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 allocated (dated 2003-07-31) on 2012-06-04 and not issued on 2012-06-06. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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 2012-08-04. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2016-05-05)"}}