{"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":"216.87.33.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.87.33.0-216.87.33.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1999-07-09)"},"current_holder":{"rir":"RIPE NCC","org":"ALT-KOM Sp. z o.o.","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":105319,"date":"2024-05-13T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"ALT-KOM Sp. z o.o.","range":"216.87.33.0/24","log":"RIPE NCC"},{"id":35525,"date":"2024-05-13T14:04:39Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"RiverCity Internet Group, L.L.C.","recipient_org":"ALT-KOM Sp. z o.o.","range":"216.87.33.0/24","log":"ARIN"},{"id":26208,"date":"2021-11-30T21:55:37Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Primary Network","recipient_org":"RiverCity Internet Group, L.L.C.","range":"216.87.32.0/19","log":"ARIN"}],"events":[{"event_id":"5e219e7ca088ed1b","registry":"ARIN","report_date":"2024-05-13","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.87.33.0/24","start":"216.87.33.0","end":"216.87.33.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"RiverCity Internet Group, L.L.C.","recipient_organization":"ALT-KOM Sp. z o.o.","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":"2026-10-14T00:11:58+00:00","page":"https://rirtracker.com/ip/216.87.33.0-216.87.33.255/#e-5e219e7ca088ed1b","report_page":"https://rirtracker.com/arin/reports/2024-05-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.87.33.0-216.87.33.255.json","observed":"216.87.33.0/24 allocated on 2024-05-13, not listed on 2024-05-14","same_transfer_as":"e3e136d7b3982a50","explanation":"ARIN's transfer log records a transfer from RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 14:04 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/2024/delegated-arin-extended-20240514.gz","retrieved_at":"2026-10-12T23:39:56+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.87.33.0/24 allocated on 2024-05-13, not listed on 2024-05-14"},{"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 2024-05-13 14:04 UTC, RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC); resources moved: 216.87.33.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240512.gz","retrieved_at":"2026-10-12T23:39:51+00:00","summary":"ARIN delegated statistics 2024-05-12 (produced 2024-05-12T13:00:47+00:00), before the report: allocated (dated 1999-07-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240514.gz","retrieved_at":"2026-10-12T23:39:56+00:00","summary":"ARIN delegated statistics 2024-05-14 (produced 2024-05-14T13:00:48+00:00), after the report: not listed"}]},{"event_id":"e3e136d7b3982a50","registry":"RIPE NCC","report_date":"2024-05-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.87.33.0/24","start":"216.87.33.0","end":"216.87.33.255","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":"ALT-KOM Sp. z o.o.","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":"2026-10-13T23:50:02+00:00","page":"https://rirtracker.com/ip/216.87.33.0-216.87.33.255/#e-e3e136d7b3982a50","report_page":"https://rirtracker.com/ripe/reports/2024-05-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.87.33.0-216.87.33.255.json","observed":"Transfer: (no name) (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC)","same_transfer_as":"5e219e7ca088ed1b","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 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 2024-05-13 19:00 UTC, (no name) (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC); resources moved: 216.87.33.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240512.bz2","retrieved_at":"2026-10-13T00:30:14+00:00","summary":"RIPE NCC delegated statistics 2024-05-12 (produced 2024-05-12T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240513.bz2","retrieved_at":"2026-10-13T00:30:17+00:00","summary":"RIPE NCC delegated statistics 2024-05-13 (produced 2024-05-13T21:59:59+00:00), after the change: assigned (dated 1999-07-09)"}]}],"classification_history":{"5e219e7ca088ed1b":[{"raw_change_id":464989,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T06:07:45+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 14:04 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":464989,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:44+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 14:04 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":464989,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 14:04 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":464989,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:58+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from RiverCity Internet Group, L.L.C. (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 14:04 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."}],"e3e136d7b3982a50":[{"raw_change_id":105904,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:05:13+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 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":105904,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:40+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 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":105904,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:09+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 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":105904,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:02+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to ALT-KOM Sp. z o.o. (RIPE NCC) on 2024-05-13 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."}]},"arin_statistics_now":{"status":"not listed"}}