AS36221 — ESOSOFT

AS36221 announces 5 IPv4 prefixes covering 1,792 addresses and 8 IPv6 prefixes.

About this network

The AS handle ESOSOFT is held by EsoSoft Corporation.

What it's used for

• The address space carries hosting infrastructure, evidenced by the reverse DNS pointer 66-241-159-126.ptr.esosoft.net and the netname NETBLK-ESOSOFT-01 associated with all announced IPv4 prefixes.
• The network announces 1792 IPv4 addresses across 5 prefixes and 8 IPv6 prefixes, while maintaining only 2 observed neighbours, a ratio that indicates a small-scale hosting or business network rather than a transit provider.

Notable

• All RDAP registrants for the announced prefixes are listed as Esosoft Corporation, which agrees with the AS holder name.
• The address inventory consists of five contiguous IPv4 blocks within the 66.241.144.0/22 range and eight distinct /48 IPv6 prefixes under the 2607:f7c8::/32 space.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 66.241.144.0/23
• 66.241.146.0/24
• 66.241.148.0/24
• 66.241.150.0/24
• 66.241.158.0/23
• 2607:f7c8:1::/48
• 2607:f7c8:2::/48
• 2607:f7c8:88::/48
• 2607:f7c8:158::/48
• 2607:f7c8:400::/48
• 2607:f7c8:500::/48
• 2607:f7c8:600::/48
• 2607:f7c8:700::/48

Upstream networks

• AS14401 SolidNetwork Technologies, Inc.
• AS36236 NetActuate, Inc

Adjacent networks

• AS14401 SolidNetwork Technologies, Inc.
• AS36236 NetActuate, Inc