{"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":"135.181.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/135.181.0.0-135.181.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1996-04-30)"},"current_holder":{"rir":"RIPE NCC","org":"Hetzner Online GmbH","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":66256,"date":"2019-10-07T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Hetzner Online GmbH","range":"135.181.0.0/16","log":"RIPE NCC"},{"id":18982,"date":"2019-10-07T14:56:14Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Celestica International LP","recipient_org":"Hetzner Online GmbH","range":"135.181.0.0/16","log":"ARIN"},{"id":18458,"date":"2019-07-17T14:59:41Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Celestica International Inc","recipient_org":"Celestica International LP","range":"135.181.0.0/16","log":"ARIN"}],"events":[{"event_id":"b50602f2359f3c39","registry":"ARIN","report_date":"2019-10-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"135.181.0.0/16","start":"135.181.0.0","end":"135.181.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Celestica International LP","recipient_organization":"Hetzner Online GmbH","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":"2026-10-14T00:06:02+00:00","page":"https://rirtracker.com/ip/135.181.0.0-135.181.255.255/#e-b50602f2359f3c39","report_page":"https://rirtracker.com/arin/reports/2019-10-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/135.181.0.0-135.181.255.255.json","observed":"135.181.0.0/16 assigned on 2019-10-07, not listed on 2019-10-08","same_transfer_as":"5ddf21a331487706","explanation":"ARIN's transfer log records a transfer from Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 14:56 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/2019/delegated-arin-extended-20191008.gz","retrieved_at":"2026-10-12T22:12:22+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 135.181.0.0/16 assigned on 2019-10-07, not listed on 2019-10-08"},{"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 2019-10-07 14:56 UTC, Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC); resources moved: 135.181.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191006.gz","retrieved_at":"2026-10-12T22:12:17+00:00","summary":"ARIN delegated statistics 2019-10-06 (produced 2019-10-06T14:00:16+00:00), before the report: assigned (dated 1996-04-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191008.gz","retrieved_at":"2026-10-12T22:12:22+00:00","summary":"ARIN delegated statistics 2019-10-08 (produced 2019-10-08T14:00:15+00:00), after the report: not listed"}]},{"event_id":"5ddf21a331487706","registry":"RIPE NCC","report_date":"2019-10-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"135.181.0.0/16","start":"135.181.0.0","end":"135.181.255.255","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":"Hetzner Online GmbH","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":"2026-10-13T23:47:59+00:00","page":"https://rirtracker.com/ip/135.181.0.0-135.181.255.255/#e-5ddf21a331487706","report_page":"https://rirtracker.com/ripe/reports/2019-10-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/135.181.0.0-135.181.255.255.json","observed":"Transfer: (no name) (ARIN) to Hetzner Online GmbH (RIPE NCC)","same_transfer_as":"b50602f2359f3c39","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 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 2019-10-07 19:00 UTC, (no name) (ARIN) to Hetzner Online GmbH (RIPE NCC); resources moved: 135.181.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191006.bz2","retrieved_at":"2026-10-12T22:20:48+00:00","summary":"RIPE NCC delegated statistics 2019-10-06 (produced 2019-10-06T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20191007.bz2","retrieved_at":"2026-10-12T22:20:51+00:00","summary":"RIPE NCC delegated statistics 2019-10-07 (produced 2019-10-07T21:59:59+00:00), after the change: allocated (dated 1996-04-30)"}]},{"event_id":"a9f75a1b076b6267","registry":"ARIN","report_date":"2019-07-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"135.181.0.0/16","start":"135.181.0.0","end":"135.181.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Celestica International Inc","recipient_organization":"Celestica International LP","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:46+00:00","page":"https://rirtracker.com/ip/135.181.0.0-135.181.255.255/#e-a9f75a1b076b6267","report_page":"https://rirtracker.com/arin/reports/2019-07-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/135.181.0.0-135.181.255.255.json","observed":"Merger/acquisition: Celestica International Inc (ARIN) to Celestica International LP (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Celestica International Inc (ARIN) to Celestica International LP (ARIN) on 2019-07-17 14:59 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 2019-07-17 14:59 UTC, Celestica International Inc (ARIN) to Celestica International LP (ARIN); resources moved: 135.181.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190716.gz","retrieved_at":"2026-10-12T22:08:05+00:00","summary":"ARIN delegated statistics 2019-07-16 (produced 2019-07-16T14:00:13+00:00), before the report: assigned (dated 1996-04-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190718.gz","retrieved_at":"2026-10-12T22:08:10+00:00","summary":"ARIN delegated statistics 2019-07-18 (produced 2019-07-18T14:00:13+00:00), after the report: assigned (dated 1996-04-30)"}]}],"classification_history":{"b50602f2359f3c39":[{"raw_change_id":381118,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:32:09+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 14:56 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":381118,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:52+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 14:56 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":381118,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:35+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 14:56 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":381118,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Celestica International LP (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 14:56 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."}],"5ddf21a331487706":[{"raw_change_id":65955,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:48:27+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 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":65955,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:03:01+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 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":65955,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:19+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 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":65955,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:59+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Hetzner Online GmbH (RIPE NCC) on 2019-10-07 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."}],"a9f75a1b076b6267":[{"raw_change_id":559077,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:46+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Celestica International Inc (ARIN) to Celestica International LP (ARIN) on 2019-07-17 14:59 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."}]},"arin_statistics_now":{"status":"not listed"}}