University of Southern California

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

ASN	4
Name	ISI-AS
Organization	University of Southern California
Country	United States
Registry	ARIN

IPv4 addresses	71,168
IPv6 /64 networks	232
Prefixes	55

IPv4 Prefixes for AS4 - showing the first 20 of 48 networks

Network		Location	Addresses
128.9.0.0/20	University of Southern California	Marina del Rey	4,096
128.9.112.0/20	University of Southern California	Marina del Rey	4,096
128.9.113.0/24	University of Southern California	Marina del Rey	256
128.9.117.0/24	University of Southern California	Marina del Rey	256
128.9.122.0/24	University of Southern California	Marina del Rey	256
128.9.123.0/24	University of Southern California	Marina del Rey	256
128.9.127.0/24	University of Southern California	Marina del Rey	256
128.9.128.0/20	University of Southern California	Marina del Rey	4,096
128.9.144.0/20	University of Southern California	Marina del Rey	4,096
128.9.16.0/24	University of Southern California	Marina del Rey	256
128.9.160.0/20	University of Southern California	Marina del Rey	4,096
128.9.17.0/24	University of Southern California	Marina del Rey	256
128.9.176.0/20	University of Southern California	Marina del Rey	4,096
128.9.18.0/24	University of Southern California	Marina del Rey	256
128.9.19.0/24	University of Southern California	Marina del Rey	256
128.9.192.0/18	University of Southern California	Marina del Rey	16,384
128.9.26.0/24	University of Southern California	Marina del Rey	256
128.9.28.0/23	University of Southern California	Marina del Rey	512
128.9.30.0/24	University of Southern California	Marina del Rey	256
128.9.31.0/24	University of Southern California	Marina del Rey	256

IPv6 Prefixes for AS4

Network		Location	/64 Prefixes
2001:1878:401::/48	University of Southern California	Sunnyvale	216
2001:1878:402::/48	University of Southern California	Sunnyvale	216
2001:1878:403::/48	University of Southern California	Sunnyvale	216
2001:1878:404::/48	University of Southern California	Sunnyvale	216
2001:500:202::/48	University of Southern California	Sunnyvale	216
2606:d5c0::/32	University of Southern California	Sunnyvale	232
2606:d5c0::/48	University of Southern California	Sunnyvale	216