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Who holds an IP address, prefix or AS number, how it is routed (origin AS, RPKI, IRR), its reverse DNS, blocklist listings and PeeringDB record, with what to fix first.

IP address, prefix or AS number

AS274789 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS274789"
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Warning: AS274789 (AS274789) announces 0 IPv4 and 9 IPv6 prefixes. 2 warnings

AS pageAS274789
HolderAS274789 - LUSOTEC NET EIRELI
AllocationLACNIC, Brazil (BR), allocated 2025-04-02
Prefixes (IPv4 / IPv6)0 / 9
RPKI valid0% (0 / 9)
Upstreams and peers2

What to fix

  1. Warning

    9 of 9 announced prefixes have no ROA (RPKI not found): 2804:939c:8000::/33, 2804:939c:a1::/48, 2804:939c:aa::/48, 2804:939c:ab00::/48, 2804:939c:ac00::/48 (+4).

    Without a ROA, networks cannot tell your routes from a hijack.

    Fix: Create a ROA for each at your RIR portal, with origin AS274789 and a max length equal to the prefix length:

    2804:939c:8000::/33 AS274789 max-length /33
2804:939c:a1::/48 AS274789 max-length /48
2804:939c:aa::/48 AS274789 max-length /48
2804:939c:ab00::/48 AS274789 max-length /48
2804:939c:ac00::/48 AS274789 max-length /48
2804:939c:ad00::/48 AS274789 max-length /48
2804:939c:c000::/34 AS274789 max-length /34
2804:939c:c006::/48 AS274789 max-length /48
2804:939c:c007::/48 AS274789 max-length /48

    Open in RPKI / ROA validator Guide

  2. Warning

    PeeringDB did not answer: HTTP 404

    Fix: Try again in a minute.

    Open in PeeringDB lookup

Checks

Routing and RPKI 9 of 9 announced prefixes have no ROA (RPKI not found): 2804:939c:8000::/33, 2804:939c:a1::/48, 2804:939c:aa::/48, 2804:939c:ab00::/48, 2804:939c:ac00::/48 (+4).
  • Pass: AS274789 announces 0 IPv4 and 9 IPv6 prefixes.
  • Warning: 9 of 9 announced prefixes have no ROA (RPKI not found): 2804:939c:8000::/33, 2804:939c:a1::/48, 2804:939c:aa::/48, 2804:939c:ab00::/48, 2804:939c:ac00::/48 (+4).
  • Pass: Every announced prefix has an IRR route object.
  • Info: 2 upstreams and peers, 2 downstream networks seen.
HolderAS274789 - LUSOTEC NET EIRELI
IPv4 prefixes0
IPv6 prefixes9
RPKI9 not found
Downstream networks2
Routes to fix
PrefixRPKI
2804:939c:8000::/33 No ROA
2804:939c:a1::/48 No ROA
2804:939c:aa::/48 No ROA
2804:939c:ab00::/48 No ROA
2804:939c:ac00::/48 No ROA
2804:939c:ad00::/48 No ROA
2804:939c:c000::/34 No ROA
2804:939c:c006::/48 No ROA
2804:939c:c007::/48 No ROA

Upstreams and peers seen to the left 2

AS267587 CLICK AS265484 Click Enter

Announced prefixes 9

2804:939c:8000::/33 2804:939c:a1::/48 2804:939c:aa::/48 2804:939c:ab00::/48 2804:939c:ac00::/48 2804:939c:ad00::/48 2804:939c:c000::/34 2804:939c:c006::/48 2804:939c:c007::/48

Source: RIPEstat (RIPE NCC RIS, Routinator, IRR); AS names: Team Cymru

Open in ASN & BGP prefix lookup
Registration Found at rdap.lacnic.net.
  • Pass: Found at rdap.lacnic.net.
NameASN274789
Handle274789
RangeAS274789
CountryBR
Registered2025-04-02T12:41:08Z
Last changed2025-04-02T12:41:08Z
Abuse contactluiz@movih.com.br
Allocation
Registry (RIR)LACNIC
CountryBrazil (BR)
Delegated on2025-04-02
StatusAllocated
Delegated rangeAS274789

Source: RIR delegation data, updated daily. The country is where the range was registered, not necessarily where it is used.

Contacts
RoleNameEmail
registrant LUSOTEC NET EIRELI
administrative, abuse luiz carlos gomes vieira luiz@movih.com.br

Source: https://rdap.lacnic.net/rdap/autnum/274789. Registration data from rdap.lacnic.net, shown under its terms of use (terms): not for marketing or bulk collection.

Open in WHOIS / RDAP lookup
PeeringDB PeeringDB did not answer: HTTP 404
  • Warning: PeeringDB did not answer: HTTP 404

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup