AS28189 JR & JS ENGENHARIA E COMERCIO LTDA

AS28189 - JR & JS ENGENHARIA E COMERCIO LTDA · registered in Brazil

IPv4 addresses11,00813 prefixes · <0.001% of announced IPv4

Rank in Brazil#266largest network in BR by IPv4 space, of 7,969 · 0.01% of BR

Rank worldwide#8,653of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)19 prefixes

CountryBrazil8,771 ASNs registered there

Open AS28189 in ASN lookup Look up an IP in this network (186.224.192.1) All networks in Brazil

IPv4 prefixes

All 13 prefixes, in address order.

186.224.192.0/24
186.224.194.0/24
186.224.196.0/24
186.224.198.0/23
186.224.200.0/21
186.224.208.0/23
186.224.210.0/23
186.224.212.0/22
186.224.216.0/21
189.90.2.0/23
189.90.4.0/22
189.90.8.0/22
189.90.12.0/22

IPv6 prefixes

All 19 prefixes.

2804:1a0::/47
2804:1a0:2::/47
2804:1a0:4::/46
2804:1a0:8::/45
2804:1a0:10::/44
2804:1a0:20::/43
2804:1a0:40::/42
2804:1a0:80::/41
2804:1a0:100::/40
2804:1a0:200::/39
2804:1a0:400::/38
2804:1a0:800::/38
2804:1a0:c00::/40
2804:1a0:d00::/40
2804:1a0:e00::/39
2804:1a0:1000::/36
2804:1a0:2000::/35
2804:1a0:4000::/34
2804:1a0:8000::/33

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources