AS63410 PrivateSystems Networks

PRIVATESYSTEMS - PrivateSystems Networks · registered in the United States

IPv4 addresses72,44823 prefixes · 0.002% of announced IPv4

Rank in United States#775largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,372of 79,396 networks with IPv4

IPv61,408 x /484 prefixes

CountryUnited States18,679 ASNs registered there

Open AS63410 in ASN lookup Look up an IP in this network (63.251.4.1) All networks in United States

IPv4 prefixes

All 23 prefixes, in address order.

63.251.4.0/23
64.74.200.0/22
67.222.0.0/19
104.193.108.0/22
108.160.144.0/20
158.106.128.0/19
158.106.180.0/22
162.211.80.0/21
162.246.56.0/22
162.248.48.0/22
162.253.32.0/22
162.255.160.0/21
170.249.192.0/19
170.249.232.0/21
170.249.244.0/22
185.158.87.0/24
192.190.80.0/21
192.196.156.0/22
199.167.200.0/22
204.197.240.0/20
207.7.80.0/20
208.78.224.0/22
209.42.192.0/18

IPv6 prefixes

All 4 prefixes.

2600:4c00:80::/41
2600:4c00:200::/39
2600:4c00:400::/39
2a07:ab00::/40

Similar-sized networks in United States

ASNNameIPv4 addresses

AS32505#772 DWL-MAIN - Conterra72,704

AS11481#773 AS-UTRGV - University of Texas Rio Grande Valley72,704

AS4373#774 OCLC-AS - Online Computer Library Center72,704

AS5374#776 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)72,448

AS14454#777 SILVERSKY-INC - SilverSky, Inc.72,448

AS18558#778 NETBLK-RCOEK - Riverside County Office of Education72,204

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