{"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":"193.149.142.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/193.149.142.0-193.149.142.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2022-01-26)"},"current_holder":{"rir":"LACNIC","org":"WCD S.A. DE C.V.","how":"LACNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":26774,"date":"2022-01-26T17:04:45Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"LACNIC","source_org":"DuPont Specialty Products USA LLC","recipient_org":"WCD S.A. DE C.V.","range":"193.149.142.0/24","log":"ARIN"},{"id":132160,"date":"2022-01-26T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"LACNIC","source_org":"DuPont Specialty Products USA LLC","recipient_org":"WCD, S.A. DE C.V.","range":"193.149.142.0/24","log":"LACNIC"},{"id":79025,"date":"2021-06-16T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"DUPONT NUTRITION BIOSCIENCES ApS","recipient_org":null,"range":"193.149.142.0/24","log":"RIPE NCC"},{"id":24882,"date":"2021-06-16T14:19:43Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"DUPONT NUTRITION BIOSCIENCES ApS","recipient_org":"DuPont Specialty Products USA LLC","range":"193.149.142.0/24","log":"ARIN"}],"events":[{"event_id":"04dcd76f09b0f033","registry":"ARIN","report_date":"2022-01-26","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"193.149.142.0/24","start":"193.149.142.0","end":"193.149.142.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"LACNIC","source_organization":"DuPont Specialty Products USA LLC","recipient_organization":"WCD S.A. DE C.V.","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":"2026-10-14T00:08:55+00:00","page":"https://rirtracker.com/ip/193.149.142.0-193.149.142.255/#e-04dcd76f09b0f033","report_page":"https://rirtracker.com/arin/reports/2022-01-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.149.142.0-193.149.142.255.json","observed":"193.149.142.0/24 allocated on 2022-01-26, not listed on 2022-01-27","same_transfer_as":"421853e5165e1914","explanation":"ARIN's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC) on 2022-01-26 17:04 UTC: it left ARIN for LACNIC. 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/2022/delegated-arin-extended-20220127.gz","retrieved_at":"2026-10-12T22:55:56+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 193.149.142.0/24 allocated on 2022-01-26, not listed on 2022-01-27"},{"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 2022-01-26 17:04 UTC, DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC); resources moved: 193.149.142.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220125.gz","retrieved_at":"2026-10-12T22:55:52+00:00","summary":"ARIN delegated statistics 2022-01-25 (produced 2022-01-25T14:00:10+00:00), before the report: allocated (dated 2021-06-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220127.gz","retrieved_at":"2026-10-12T22:55:56+00:00","summary":"ARIN delegated statistics 2022-01-27 (produced 2022-01-27T14:00:10+00:00), after the report: not listed"}]},{"event_id":"421853e5165e1914","registry":"LACNIC","report_date":"2022-01-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"193.149.142.0/24","start":"193.149.142.0","end":"193.149.142.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into LACNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"LACNIC","source_organization":"DuPont Specialty Products USA LLC","recipient_organization":"WCD, S.A. DE C.V.","inventory_effect":"Transferred into LACNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:26+00:00","page":"https://rirtracker.com/ip/193.149.142.0-193.149.142.255/#e-421853e5165e1914","report_page":"https://rirtracker.com/lacnic/reports/2022-01-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.149.142.0-193.149.142.255.json","observed":"Transfer: DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC)","same_transfer_as":"04dcd76f09b0f033","explanation":"LACNIC's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC) on 2022-01-26 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.lacnic.net/pub/stats/lacnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:38+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2022-01-26 13:00 UTC, DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC); resources moved: 193.149.142.0/24"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2022/delegated-lacnic-extended-20220125","retrieved_at":"2026-10-13T00:21:33+00:00","summary":"LACNIC delegated statistics 2022-01-25, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2022/delegated-lacnic-extended-20220126","retrieved_at":"2026-10-13T00:21:38+00:00","summary":"LACNIC delegated statistics 2022-01-26, after the change: allocated (dated 2022-01-26)"}]},{"event_id":"f8b2f18806ea4051","registry":"ARIN","report_date":"2021-06-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add 193.149.142.0-193.149.142.255","resource_type":"ipv4","resource":"193.149.142.0/24","start":"193.149.142.0","end":"193.149.142.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"DUPONT NUTRITION BIOSCIENCES ApS","recipient_organization":"DuPont Specialty Products USA LLC","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:10+00:00","page":"https://rirtracker.com/ip/193.149.142.0-193.149.142.255/#e-f8b2f18806ea4051","report_page":"https://rirtracker.com/arin/reports/2021-06-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.149.142.0-193.149.142.255.json","same_transfer_as":"8461172b3fd3624a","explanation":"ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN) on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-June/004569.html","retrieved_at":"2026-10-12T18:41:21+00:00","summary":"ARIN-Issued report for 2021-06-16: \"Add 193.149.142.0-193.149.142.255\""},{"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 2021-06-16 14:19 UTC, DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN); resources moved: 193.149.142.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210615.gz","retrieved_at":"2026-10-12T22:44:15+00:00","summary":"ARIN delegated statistics 2021-06-15 (produced 2021-06-15T14:00:13+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210617.gz","retrieved_at":"2026-10-12T22:44:20+00:00","summary":"ARIN delegated statistics 2021-06-17 (produced 2021-06-17T14:00:13+00:00), after the report: assigned (dated 2021-06-16)"}]},{"event_id":"8461172b3fd3624a","registry":"RIPE NCC","report_date":"2021-06-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"193.149.142.0/24","start":"193.149.142.0","end":"193.149.142.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of the RIPE NCC","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"DUPONT NUTRITION BIOSCIENCES ApS","recipient_organization":null,"inventory_effect":"Transferred out of RIPE NCC administration; not offered to RIPE NCC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:39+00:00","page":"https://rirtracker.com/ip/193.149.142.0-193.149.142.255/#e-8461172b3fd3624a","report_page":"https://rirtracker.com/ripe/reports/2021-06-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.149.142.0-193.149.142.255.json","observed":"Transfer: DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to (no name) (ARIN)","piece_of":{"resource":"193.149.128.0/18","page":"https://rirtracker.com/ip/193.149.128.0-193.149.191.255/"},"same_transfer_as":"f8b2f18806ea4051","explanation":"The RIPE NCC's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to an unnamed organization (ARIN) on 2021-06-16 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants.","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 2021-06-16 19:00 UTC, DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to (no name) (ARIN); resources moved: 193.149.142.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210615.bz2","retrieved_at":"2026-10-12T23:09:59+00:00","summary":"RIPE NCC delegated statistics 2021-06-15 (produced 2021-06-15T21:59:00+00:00), before the change: assigned (dated 1996-01-24)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2021/delegated-ripencc-extended-20210616.bz2","retrieved_at":"2026-10-12T23:10:02+00:00","summary":"RIPE NCC delegated statistics 2021-06-16 (produced 2021-06-16T21:59:00+00:00), after the change: not listed"}]}],"classification_history":{"04dcd76f09b0f033":[{"raw_change_id":423177,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:49:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC) on 2022-01-26 17:04 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":423177,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:15+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC) on 2022-01-26 17:04 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":423177,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:09+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC) on 2022-01-26 17:04 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":423177,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:55+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD S.A. DE C.V. (LACNIC) on 2022-01-26 17:04 UTC: it left ARIN for LACNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"421853e5165e1914":[{"raw_change_id":30590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:33:24+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC) on 2022-01-26 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":30590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:44+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC) on 2022-01-26 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":30590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:52+00:00","current":0,"public_explanation":"LACNIC's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC) on 2022-01-26 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":30590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:26+00:00","current":1,"public_explanation":"LACNIC's transfer log records a transfer from DuPont Specialty Products USA LLC (ARIN) to WCD, S.A. DE C.V. (LACNIC) on 2022-01-26 13:00 UTC: it came to LACNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"f8b2f18806ea4051":[{"raw_change_id":171690,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:52:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN) on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":171690,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN) on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":171690,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN) on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":171690,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:10+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to DuPont Specialty Products USA LLC (ARIN) on 2021-06-16 14:19 UTC: it came to ARIN from the RIPE NCC. It was already issued by another registry, so this is not a new issuance."}],"8461172b3fd3624a":[{"raw_change_id":79183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:54:04+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to an unnamed organization (ARIN) on 2021-06-16 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":79183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:34+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to an unnamed organization (ARIN) on 2021-06-16 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":79183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:56+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to an unnamed organization (ARIN) on 2021-06-16 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."},{"raw_change_id":79183,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:48:39+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from DUPONT NUTRITION BIOSCIENCES ApS (RIPE NCC) to an unnamed organization (ARIN) on 2021-06-16 19:00 UTC: it left the RIPE NCC for ARIN. It is not a new allocation and is not offered to RIPE NCC applicants."}]},"arin_statistics_now":{"status":"not listed"}}