AS26178 AtkinsRealis

ATKINS-NORTH-AMERICA - AtkinsRealis · registered in the United States

IPv4 addresses4,0965 prefixes · <0.001% of announced IPv4

Rank in United States#4,706largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,855of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS26178 in ASN lookup Look up an IP in this network (103.225.248.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

103.225.248.0/22
142.242.112.0/21
162.254.104.0/24
185.51.252.0/23
185.51.254.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS25963#4703 TCCD-1 - Tarrant County College District4,096

AS26052#4704 ABN-AMRO-CLEARING-USA-LLC - Fortis Clearing Chicago LLC4,096

AS26165#4705 CHSCC - Chattanooga State Community College4,096

AS26231#4707 SFIA-ASN - San Francisco International Airport4,096

AS26247#4708 HCCA - Hamilton-Clermont Cooperative Assn.4,096

AS26327#4709 HIGHLANDS-CABLE - Highlands Cable Group4,096

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