{"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":"199.115.128.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/199.115.128.0-199.115.135.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-08-12)"},"current_holder":{"rir":"ARIN","org":"SWC TELESOLUTIONS, INC.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":7560,"date":"2016-08-12T14:09:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Second City Enterprises, Inc.","recipient_org":"SWC TELESOLUTIONS, INC.","range":"199.115.128.0/21","log":"ARIN"}],"events":[{"event_id":"c91a9ff9be02b90f","registry":"ARIN","report_date":"2016-08-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 199.115.128.0-199.115.135.255","resource_type":"ipv4","resource":"199.115.128.0/21","start":"199.115.128.0","end":"199.115.135.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Second City Enterprises, Inc.","recipient_organization":"SWC TELESOLUTIONS, INC.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:37+00:00","page":"https://rirtracker.com/ip/199.115.128.0-199.115.135.255/#e-c91a9ff9be02b90f","report_page":"https://rirtracker.com/arin/reports/2016-08-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.115.128.0-199.115.135.255.json","explanation":"ARIN's transfer log records a transfer from Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN) on 2016-08-12 14:09 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-August/002801.html","retrieved_at":"2026-10-12T18:39:19+00:00","summary":"ARIN-Issued report for 2016-08-12: \"Add 199.115.128.0-199.115.135.255\""},{"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 2016-08-12 14:09 UTC, Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN); resources moved: 199.115.128.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160811.gz","retrieved_at":"2026-10-12T21:14:37+00:00","summary":"ARIN delegated statistics 2016-08-11 (produced 2016-08-11T05:10:02+00:00), before the report: allocated (dated 2011-03-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160813.gz","retrieved_at":"2026-10-12T21:14:42+00:00","summary":"ARIN delegated statistics 2016-08-13 (produced 2016-08-13T05:09:23+00:00), after the report: allocated (dated 2016-08-12)"}]},{"event_id":"7021c5852ca730ec","registry":"ARIN","report_date":"2011-03-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 199.115.128.0-199.115.135.255","resource_type":"ipv4","resource":"199.115.128.0/21","start":"199.115.128.0","end":"199.115.135.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:52+00:00","page":"https://rirtracker.com/ip/199.115.128.0-199.115.135.255/#e-7021c5852ca730ec","report_page":"https://rirtracker.com/arin/reports/2011-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.115.128.0-199.115.135.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-03-17 and allocated (dated 2011-03-18) on 2011-03-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-March/000824.html","retrieved_at":"2026-10-12T18:37:01+00:00","summary":"ARIN-Issued report for 2011-03-18: \"Add 199.115.128.0-199.115.135.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110317.gz","retrieved_at":"2026-10-12T19:17:44+00:00","summary":"ARIN delegated statistics 2011-03-17, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110319.gz","retrieved_at":"2026-10-12T19:17:48+00:00","summary":"ARIN delegated statistics 2011-03-19, after the report: allocated (dated 2011-03-18)"}]}],"classification_history":{"c91a9ff9be02b90f":[{"raw_change_id":145890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN) on 2016-08-12 14:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN) on 2016-08-12 14:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN) on 2016-08-12 14:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:37+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Second City Enterprises, Inc. (ARIN) to SWC TELESOLUTIONS, INC. (ARIN) on 2016-08-12 14:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"7021c5852ca730ec":[{"raw_change_id":122960,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:13:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-03-17 and allocated (dated 2011-03-18) on 2011-03-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":122960,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-03-17 and allocated (dated 2011-03-18) on 2011-03-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":122960,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:52+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-03-17 and allocated (dated 2011-03-18) on 2011-03-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":122960,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:52+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-03-17 and allocated (dated 2011-03-18) on 2011-03-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2016-08-12)"}}