AS398705 Censys, Inc.

CENSYS-ARIN-02 - Censys, Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,387largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#48,203of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS398705 in ASN lookup Look up an IP in this network (167.94.145.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

167.94.145.0/24
167.94.146.0/24

IPv6 prefixes

All 2 prefixes.

2602:80d:1002::/48
2602:80d:1005::/48

Other ASNs named Censys, Inc.

1 other network uses the same organisation name; together with AS398705 they announce 4,864 IPv4 addresses.

ASNNameIPv4 addresses

AS398324CENSYS-ARIN-01 - Censys, Inc. US4,352

Similar-sized networks in United States

ASNNameIPv4 addresses

AS398109#10384 GO-DADDY-COM-LLC - GoDaddy.com, LLC512

AS398123#10385 IRACING-CORPORATE - IRACING.COM MOTORSPORT SIMULATIONS, LLC512

AS398351#10386 MAYMOBILITY - May Mobility, Inc512

AS398891#10388 QUAD9-AS-2 - Quad9512

AS399358#10389 ANTHROPIC - Anthropic, PBC512

AS399805#10390 GOLIAD-01 - Goliad Technologies512

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