{"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":"162.17.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/162.17.0.0-162.17.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-02-07)"},"current_holder":{"rir":"ARIN","org":"Comcast Cable Communications, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":7733,"date":"2016-08-31T17:38:14Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Comcast Business Communications, LLC","recipient_org":"Comcast Cable Communications, LLC","range":"162.17.0.0/16","log":"ARIN"}],"events":[{"event_id":"c2d17e721dd7fb1a","registry":"ARIN","report_date":"2016-08-31","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"162.17.0.0/16","start":"162.17.0.0","end":"162.17.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Comcast Business Communications, LLC","recipient_organization":"Comcast Cable Communications, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:26+00:00","page":"https://rirtracker.com/ip/162.17.0.0-162.17.255.255/#e-c2d17e721dd7fb1a","report_page":"https://rirtracker.com/arin/reports/2016-08-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.17.0.0-162.17.255.255.json","observed":"Merger/acquisition: Comcast Business Communications, LLC (ARIN) to Comcast Cable Communications, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Comcast Business Communications, LLC (ARIN) to Comcast Cable Communications, LLC (ARIN) on 2016-08-31 17:38 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 2016-08-31 17:38 UTC, Comcast Business Communications, LLC (ARIN) to Comcast Cable Communications, LLC (ARIN); resources moved: 162.17.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160830.gz","retrieved_at":"2026-10-12T21:15:31+00:00","summary":"ARIN delegated statistics 2016-08-30 (produced 2016-08-30T05:09:21+00:00), before the report: allocated (dated 2013-02-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160901.gz","retrieved_at":"2026-10-12T21:15:36+00:00","summary":"ARIN delegated statistics 2016-09-01 (produced 2016-09-01T05:09:07+00:00), after the report: allocated (dated 2013-02-07)"}]},{"event_id":"4f710759c8a55043","registry":"ARIN","report_date":"2013-02-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 162.17.0.0-162.17.255.255","resource_type":"ipv4","resource":"162.17.0.0/16","start":"162.17.0.0","end":"162.17.255.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","page":"https://rirtracker.com/ip/162.17.0.0-162.17.255.255/#e-4f710759c8a55043","report_page":"https://rirtracker.com/arin/reports/2013-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.17.0.0-162.17.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2013-02-06 and allocated (dated 2013-02-07) on 2013-02-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-06-01 (162.17.0.0-162.17.255.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-February/001519.html","retrieved_at":"2026-10-12T18:37:50+00:00","summary":"ARIN-Issued report for 2013-02-07: \"Add 162.17.0.0-162.17.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130206.gz","retrieved_at":"2026-10-12T19:54:26+00:00","summary":"ARIN delegated statistics 2013-02-06, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130208.gz","retrieved_at":"2026-10-12T19:54:33+00:00","summary":"ARIN delegated statistics 2013-02-08, after the report: allocated (dated 2013-02-07)"}]},{"event_id":"464ce90f5e6728c0","registry":"ARIN","report_date":"2010-06-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 162.17.0.0-162.17.255.255","resource_type":"ipv4","resource":"162.17.0.0/16","start":"162.17.0.0","end":"162.17.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","page":"https://rirtracker.com/ip/162.17.0.0-162.17.255.255/#e-464ce90f5e6728c0","report_page":"https://rirtracker.com/arin/reports/2010-06-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.17.0.0-162.17.255.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-05-31 and not issued on 2010-06-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-June/000532.html","retrieved_at":"2026-10-12T18:36:43+00:00","summary":"ARIN-Issued report for 2010-06-01: \"Remove 162.17.0.0-162.17.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100531.gz","retrieved_at":"2026-10-12T19:05:51+00:00","summary":"ARIN delegated statistics 2010-05-31, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100602.gz","retrieved_at":"2026-10-12T19:05:56+00:00","summary":"ARIN delegated statistics 2010-06-02, after the report: not issued"}]},{"event_id":"c9c9f8df4c0ba39a","registry":"ARIN","report_date":"2009-05-26","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"162.17.0.0/16","start":"162.17.0.0","end":"162.17.255.255","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":"2026-10-13T23:55:05+00:00","page":"https://rirtracker.com/ip/162.17.0.0-162.17.255.255/#e-c9c9f8df4c0ba39a","report_page":"https://rirtracker.com/arin/reports/2009-05-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/162.17.0.0-162.17.255.255.json","observed":"162.17.0.0/16 assigned on 2009-05-26, not listed on 2009-05-27","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":"2009-07-25","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 1992-07-13) on 2009-05-25 and not issued on 2009-05-27. (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 2009-07-25. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090527.gz","retrieved_at":"2026-10-12T18:50:44+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 162.17.0.0/16 assigned on 2009-05-26, not listed on 2009-05-27"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090525.gz","retrieved_at":"2026-10-12T18:50:39+00:00","summary":"ARIN delegated statistics 2009-05-25, before the report: assigned (dated 1992-07-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090527.gz","retrieved_at":"2026-10-12T18:50:44+00:00","summary":"ARIN delegated statistics 2009-05-27, after the report: not issued"}]}],"classification_history":{"c2d17e721dd7fb1a":[{"raw_change_id":550784,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:26+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Comcast Business Communications, LLC (ARIN) to Comcast Cable Communications, LLC (ARIN) on 2016-08-31 17:38 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."}],"4f710759c8a55043":[{"raw_change_id":128116,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:19:43+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2013-02-06 and allocated (dated 2013-02-07) on 2013-02-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":128116,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:27+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2013-02-06 and allocated (dated 2013-02-07) on 2013-02-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":128116,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:02+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2013-02-06 and allocated (dated 2013-02-07) on 2013-02-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-06-01 (162.17.0.0-162.17.255.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":128116,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2013-02-06 and allocated (dated 2013-02-07) on 2013-02-08. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-06-01 (162.17.0.0-162.17.255.255), so it appears to have been issued again from ARIN's pool."}],"464ce90f5e6728c0":[{"raw_change_id":121366,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:12+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-05-31 and not issued on 2010-06-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121366,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:16+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-05-31 and not issued on 2010-06-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121366,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-05-31 and not issued on 2010-06-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121366,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-05-31 and not issued on 2010-06-02. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}],"c9c9f8df4c0ba39a":[{"raw_change_id":205085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:11:03+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 1992-07-13) on 2009-05-25 and not issued on 2009-05-27. (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 2009-07-25. This does not confirm availability."},{"raw_change_id":205085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:31+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 1992-07-13) on 2009-05-25 and not issued on 2009-05-27. (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 2009-07-25. This does not confirm availability."},{"raw_change_id":205085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:29+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 1992-07-13) on 2009-05-25 and not issued on 2009-05-27. (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 2009-07-25. This does not confirm availability."},{"raw_change_id":205085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:05+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 1992-07-13) on 2009-05-25 and not issued on 2009-05-27. (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 2009-07-25. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2013-02-07)"}}