CF1761445526659-tsm20251024211356

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Hostnames in AS

Network 187.19.101.0/24
route: 187.19.96.0/20 descr: CERTTO TELECOMUNICACOES LTDA EPP origin: AS28130 mnt-by: MAINT-AS28130 changed: michell.antunes@b4b.certto.com.br 20230112 source: TC last-modified: 2023-01-12T16:30:46Z rpki-ov-state: valid route: 187.19.96.0/20 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS28130) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: --------------------------------- origin: AS28130 notify: ip-bgp@oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp@oi.net.br 20180119 source: RADB last-modified: 2025-03-22T18:00:14Z rpki-ov-state: valid route: 187.19.96.0/21 descr: CERTTO TELECOMUNICACOES LTDA EPP origin: AS28130 mnt-by: MAINT-AS28130 changed: michell.antunes@b4b.certto.com.br 20210809 notify: bgp@certto.com.br source: TC last-modified: 2021-09-10T10:57:44Z rpki-ov-state: valid route: 187.19.100.0/22 descr: CERTTO TELECOMUNICACOES LTDA EPP origin: AS28130 mnt-by: MAINT-AS28130 changed: michell.antunes@b4b.certto.com.br 20230112 source: TC last-modified: 2023-01-12T16:30:46Z rpki-ov-state: valid route: 187.19.100.0/22 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS28130) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: origin: AS28130 notify: ip-bgp@oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp@oi.net.br 20180703 source: RADB last-modified: 2025-03-22T18:00:14Z rpki-ov-state: valid route: 187.19.100.0/23 descr: CERTTO TELECOMUNICACOES LTDA EPP origin: AS28130 mnt-by: MAINT-AS28130 changed: michell.antunes@b4b.certto.com.br 20210809 source: TC last-modified: 2021-09-10T10:57:44Z rpki-ov-state: valid route: 187.19.101.0/24 descr: CERTTO TELECOMUNICACOES LTDA EPP origin: AS28130 mnt-by: MAINT-AS28130 changed: michell.antunes@b4b.certto.com.br 20210809 source: TC last-modified: 2021-09-10T10:57:44Z rpki-ov-state: valid 
Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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GgiwqcL CF johedugfp 2025-10-26