{"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":"173.249.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/173.249.0.0-173.249.63.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2010-05-26)"},"current_holder":{"rir":"RIPE NCC","org":"Contabo GmbH","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":54559,"date":"2017-09-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Contabo GmbH","range":"173.249.0.0/18","log":"RIPE NCC"},{"id":10915,"date":"2017-09-14T15:02:39Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"LyonLabs, LLC","recipient_org":"Contabo GmbH","range":"173.249.0.0/18","log":"ARIN"}],"events":[{"event_id":"690f8ba000dc9f98","registry":"ARIN","report_date":"2017-09-14","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"173.249.0.0/18","start":"173.249.0.0","end":"173.249.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"LyonLabs, LLC","recipient_organization":"Contabo 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":"2026-10-14T00:03:27+00:00","page":"https://rirtracker.com/ip/173.249.0.0-173.249.63.255/#e-690f8ba000dc9f98","report_page":"https://rirtracker.com/arin/reports/2017-09-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.249.0.0-173.249.63.255.json","observed":"173.249.0.0/18 assigned on 2017-09-14, not listed on 2017-09-15","same_transfer_as":"0007fee4aa902acf","explanation":"ARIN's transfer log records a transfer from LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 15:02 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/2017/delegated-arin-extended-20170915.gz","retrieved_at":"2026-10-12T21:34:25+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 173.249.0.0/18 assigned on 2017-09-14, not listed on 2017-09-15"},{"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 2017-09-14 15:02 UTC, LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC); resources moved: 173.249.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170913.gz","retrieved_at":"2026-10-12T21:34:13+00:00","summary":"ARIN delegated statistics 2017-09-13 (produced 2017-09-13T05:11:21+00:00), before the report: assigned (dated 2010-05-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170915.gz","retrieved_at":"2026-10-12T21:34:25+00:00","summary":"ARIN delegated statistics 2017-09-15 (produced 2017-09-15T05:11:15+00:00), after the report: not listed"}]},{"event_id":"0007fee4aa902acf","registry":"RIPE NCC","report_date":"2017-09-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"173.249.0.0/18","start":"173.249.0.0","end":"173.249.63.255","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":"Contabo 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":"2026-10-13T23:47:22+00:00","page":"https://rirtracker.com/ip/173.249.0.0-173.249.63.255/#e-0007fee4aa902acf","report_page":"https://rirtracker.com/ripe/reports/2017-09-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.249.0.0-173.249.63.255.json","observed":"Transfer: (no name) (ARIN) to Contabo GmbH (RIPE NCC)","same_transfer_as":"690f8ba000dc9f98","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 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 2017-09-14 19:00 UTC, (no name) (ARIN) to Contabo GmbH (RIPE NCC); resources moved: 173.249.0.0/18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2017/delegated-ripencc-extended-20170913.bz2","retrieved_at":"2026-10-12T21:28:10+00:00","summary":"RIPE NCC delegated statistics 2017-09-13 (produced 2017-09-13T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2017/delegated-ripencc-extended-20170914.bz2","retrieved_at":"2026-10-12T21:28:13+00:00","summary":"RIPE NCC delegated statistics 2017-09-14 (produced 2017-09-14T21:59:59+00:00), after the change: allocated (dated 2010-05-26)"}]},{"event_id":"79b7f38519b31c78","registry":"ARIN","report_date":"2010-05-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 173.249.0.0-173.249.63.255","resource_type":"ipv4","resource":"173.249.0.0/18","start":"173.249.0.0","end":"173.249.63.255","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":"2026-10-13T23:50:49+00:00","page":"https://rirtracker.com/ip/173.249.0.0-173.249.63.255/#e-79b7f38519b31c78","report_page":"https://rirtracker.com/arin/reports/2010-05-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/173.249.0.0-173.249.63.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-05-25 and assigned (dated 2010-05-26) on 2010-05-27. (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/2010-May/000526.html","retrieved_at":"2026-10-12T18:36:40+00:00","summary":"ARIN-Issued report for 2010-05-26: \"Add 173.249.0.0-173.249.63.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100525.gz","retrieved_at":"2026-10-12T19:05:38+00:00","summary":"ARIN delegated statistics 2010-05-25, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100527.gz","retrieved_at":"2026-10-12T19:05:42+00:00","summary":"ARIN delegated statistics 2010-05-27, after the report: assigned (dated 2010-05-26)"}]}],"classification_history":{"690f8ba000dc9f98":[{"raw_change_id":341012,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 15:02 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":341012,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:45+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 15:02 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":341012,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:17+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 15:02 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":341012,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from LyonLabs, LLC (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 15:02 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."}],"0007fee4aa902acf":[{"raw_change_id":53753,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:43:14+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 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":53753,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:29+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 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":53753,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:44+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 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":53753,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:22+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Contabo GmbH (RIPE NCC) on 2017-09-14 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."}],"79b7f38519b31c78":[{"raw_change_id":121354,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:11+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-05-25 and assigned (dated 2010-05-26) on 2010-05-27. (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":121354,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-05-25 and assigned (dated 2010-05-26) on 2010-05-27. (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":121354,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-05-25 and assigned (dated 2010-05-26) on 2010-05-27. (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":121354,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-05-25 and assigned (dated 2010-05-26) on 2010-05-27. (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":"not listed"}}