AS26666 Interserver, Inc

INTERSERVER-LAX - Interserver, Inc · registered in the United States

IPv4 addresses26,62438 prefixes · <0.001% of announced IPv4

Rank in United States#1,871largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,273of 79,396 networks with IPv4

IPv65 x /32 (331,780 x /48)8 prefixes

CountryUnited States18,679 ASNs registered there

Open AS26666 in ASN lookup Look up an IP in this network (16.5.10.1) All networks in United States

IPv4 prefixes

All 38 prefixes, in address order.

16.5.10.0/24
45.128.245.0/24
64.81.183.0/24
67.211.208.0/24
69.10.50.0/24
69.164.248.0/21
69.169.104.0/22
74.1.233.0/24
74.1.234.0/24
104.37.184.0/24
142.252.56.0/24
146.103.48.0/24
147.125.241.0/24
153.75.228.0/22
153.75.232.0/22
157.250.194.0/23
157.250.200.0/22
157.250.206.0/23
162.35.8.0/21
162.35.16.0/21
162.35.100.0/22
162.35.108.0/22
162.35.168.0/22
162.35.176.0/22
162.35.188.0/22
162.220.8.0/23
162.220.10.0/23
162.220.12.0/22
162.220.160.0/24
163.245.192.0/21
173.214.160.0/23
193.27.10.0/24
194.33.29.0/24
206.72.192.0/23
208.73.200.0/23
216.158.224.0/23
216.219.90.0/24
216.219.95.0/24

IPv6 prefixes

All 8 prefixes.

2601:2010::/31
2601:2014::/31
2601:2017::/32
2604:a00:101::/48
2604:a00:1ac1::/48
2604:a00:1aca::/48
2604:a00:2000::/36
2a13:9500:50::/48

Other ASNs named Interserver, Inc

1 other network uses the same organisation name; together with AS26666 they announce 196,352 IPv4 addresses.

ASNNameIPv4 addresses

AS19318IS-AS-1 - Interserver, Inc US169,728

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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