AS23074 PETROLEO BRASILEIRO S.A. - PETROBRAS

AS23074 - PETROLEO BRASILEIRO S.A. - PETROBRAS · registered in Brazil

IPv4 addresses65,53622 prefixes · 0.002% of announced IPv4

Rank in Brazil#54largest network in BR by IPv4 space, of 7,969 · 0.09% of BR

Rank worldwide#2,887of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)17 prefixes

CountryBrazil8,771 ASNs registered there

Open AS23074 in ASN lookup Look up an IP in this network (164.85.0.1) All networks in Brazil

IPv4 prefixes

All 22 prefixes, in address order.

164.85.0.0/22
164.85.4.0/23
164.85.6.0/24
164.85.7.0/24
164.85.8.0/22
164.85.12.0/24
164.85.13.0/24
164.85.14.0/23
164.85.16.0/21
164.85.24.0/22
164.85.28.0/22
164.85.32.0/20
164.85.48.0/20
164.85.64.0/20
164.85.80.0/21
164.85.88.0/22
164.85.92.0/22
164.85.96.0/22
164.85.100.0/22
164.85.104.0/21
164.85.112.0/20
164.85.128.0/17

IPv6 prefixes

All 17 prefixes.

2804:9a4::/36
2804:9a4:1000::/40
2804:9a4:1100::/48
2804:9a4:1101::/48
2804:9a4:1102::/47
2804:9a4:1104::/46
2804:9a4:1108::/45
2804:9a4:1110::/44
2804:9a4:1120::/43
2804:9a4:1140::/42
2804:9a4:1180::/41
2804:9a4:1200::/39
2804:9a4:1400::/38
2804:9a4:1800::/37
2804:9a4:2000::/35
2804:9a4:4000::/34
2804:9a4:8000::/33

Other ASNs named PETROLEO BRASILEIRO S.A. - PETROBRAS

1 other network uses the same organisation name; together with AS23074 they announce 65,792 IPv4 addresses.

ASNNameIPv4 addresses

AS61721AS61721 - PETROLEO BRASILEIRO S.A. - PETROBRAS BR256

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS28667#51 AS28667 - VERO S.A67,584

AS19200#52 AS19200 - Universidade Federal do Rio Grande do Sul66,560

AS267587#53 AS267587 - CLICK SPEED SERVICOS DE TELECOMUNICACOES LTDA - EP66,560

AS263300#55 AS263300 - Universidade Federal de Santa Catarina65,536

AS271354#56 AS271354 - UNIVERSIDADE FEDERAL DE MINAS GERAIS65,536

AS21506#57 AS21506 - Fundacao Universidade de Brasilia65,536

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