AS401742 ServerOptima

SERVEROPTIMA - ServerOptima · registered in the United States

IPv4 addresses4,86415 prefixes · <0.001% of announced IPv4

Rank in United States#4,184largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#13,957of 79,396 networks with IPv4

IPv64 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS401742 in ASN lookup Look up an IP in this network (38.127.238.1) All networks in United States

IPv4 prefixes

All 15 prefixes, in address order.

38.127.238.0/24
38.129.101.0/24
38.129.102.0/23
64.71.152.0/24
64.71.161.0/24
64.71.175.0/24
64.71.179.0/24
65.19.178.0/24
65.19.188.0/24
65.49.60.0/24
65.49.65.0/24
66.220.29.0/24
74.82.63.0/24
74.214.172.0/22
184.105.7.0/24

IPv6 prefixes

All 3 prefixes.

2001:470:182::/48
2602:f639::/47
2602:f639:2::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS53428#4181 KCS-US-NEBIUS - Nebius Inc.4,864

AS10975#4182 NET-AIG - American International Group Data Center, Inc.4,864

AS14333#4183 ORI-NET - On-Ramp Indiana, Inc. (ORI.NET)4,864

AS396949#4185 CLOUDWEBMANAGE-TX - Kamatera, Inc.4,864

AS5091#4186 STRIPE - Stripe, Inc.4,864

AS23294#4187 ULM-1 - The University of Louisiana at Monroe4,864

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