IP Tracker

AS4

University of Southern California

USUnknown2026-08-09

Announced prefixes 57

43.240.64.0/2445.228.73.0/2445.228.74.0/2445.228.75.0/24128.9.0.0/20128.9.16.0/24128.9.17.0/24128.9.18.0/24128.9.19.0/24128.9.26.0/24128.9.28.0/23128.9.30.0/24128.9.31.0/24128.9.32.0/20128.9.34.0/24128.9.35.0/24128.9.36.0/24128.9.37.0/24128.9.38.0/24128.9.40.0/24128.9.43.0/24128.9.44.0/24128.9.46.0/24128.9.47.0/24128.9.48.0/20128.9.64.0/20128.9.80.0/20128.9.96.0/20128.9.112.0/20128.9.113.0/24128.9.117.0/24128.9.122.0/24128.9.123.0/24128.9.127.0/24128.9.128.0/20128.9.144.0/20128.9.160.0/20128.9.176.0/20128.9.192.0/18165.140.12.0/24165.140.13.0/24165.140.14.0/24168.90.73.0/24170.79.218.0/23198.32.16.0/24206.117.6.0/24206.117.27.0/24206.117.31.0/24206.117.37.0/242001:500:202::/482001:1878:401::/482001:1878:402::/482001:1878:403::/482001:1878:404::/482606:d5c0::/322606:d5c0::/482c0f:fdd0::/32

Snapshot history

DateNameCountryClassPrefixes
2026-11-10University of Southern CaliforniaUSUnknown54
2026-11-09University of Southern CaliforniaUSUnknown54
2026-11-08University of Southern CaliforniaUSUnknown54
2026-11-07University of Southern CaliforniaUSUnknown54
2026-11-06University of Southern CaliforniaUSUnknown54
2026-11-05University of Southern CaliforniaUSUnknown54
2026-11-04University of Southern CaliforniaUSUnknown54
2026-11-03University of Southern CaliforniaUSUnknown54
2026-11-02University of Southern CaliforniaUSUnknown54
2026-11-01University of Southern CaliforniaUSUnknown54
2026-10-31University of Southern CaliforniaUSUnknown54
2026-10-30University of Southern CaliforniaUSUnknown54
2026-10-29University of Southern CaliforniaUSUnknown54
2026-10-28University of Southern CaliforniaUSUnknown54
2026-10-27University of Southern CaliforniaUSUnknown54
2026-10-26University of Southern CaliforniaUSUnknown54
2026-10-25University of Southern CaliforniaUSUnknown54
2026-10-24University of Southern CaliforniaUSUnknown54
2026-10-23University of Southern CaliforniaUSUnknown53
2026-10-22University of Southern CaliforniaUSUnknown53
2026-10-21University of Southern CaliforniaUSUnknown53
2026-10-20University of Southern CaliforniaUSUnknown53
2026-10-19University of Southern CaliforniaUSUnknown53
2026-10-18University of Southern CaliforniaUSUnknown53
2026-10-17University of Southern CaliforniaUSUnknown53
2026-10-16University of Southern CaliforniaUSUnknown53
2026-10-15University of Southern CaliforniaUSUnknown53
2026-10-14University of Southern CaliforniaUSUnknown53
2026-10-13University of Southern CaliforniaUSUnknown53
2026-10-12University of Southern CaliforniaUSUnknown53
2026-10-11University of Southern CaliforniaUSUnknown53
2026-10-10University of Southern CaliforniaUSUnknown53
2026-10-09University of Southern CaliforniaUSUnknown53
2026-10-08University of Southern CaliforniaUSUnknown53
2026-10-07University of Southern CaliforniaUSUnknown53
2026-10-06University of Southern CaliforniaUSUnknown53
2026-10-05University of Southern CaliforniaUSUnknown53
2026-10-04University of Southern CaliforniaUSUnknown53
2026-10-03University of Southern CaliforniaUSUnknown53
2026-10-02University of Southern CaliforniaUSUnknown53
2026-10-01University of Southern CaliforniaUSUnknown53
2026-09-30University of Southern CaliforniaUSUnknown53
2026-09-29University of Southern CaliforniaUSUnknown53
2026-09-28University of Southern CaliforniaUSUnknown53
2026-09-27University of Southern CaliforniaUSUnknown53
2026-09-26University of Southern CaliforniaUSUnknown53
2026-09-25University of Southern CaliforniaUSUnknown53
2026-09-24University of Southern CaliforniaUSUnknown53
2026-09-23University of Southern CaliforniaUSUnknown53
2026-09-22University of Southern CaliforniaUSUnknown55
2026-09-21University of Southern CaliforniaUSUnknown55
2026-09-20University of Southern CaliforniaUSUnknown55
2026-09-19University of Southern CaliforniaUSUnknown55
2026-09-18University of Southern CaliforniaUSUnknown55
2026-09-17University of Southern CaliforniaUSUnknown55
2026-09-16University of Southern CaliforniaUSUnknown55
2026-09-15University of Southern CaliforniaUSUnknown53
2026-09-14University of Southern CaliforniaUSUnknown53
2026-09-13University of Southern CaliforniaUSUnknown53
2026-09-12University of Southern CaliforniaUSUnknown53
2026-09-11University of Southern CaliforniaUSUnknown53
2026-09-10University of Southern CaliforniaUSUnknown53
2026-09-09University of Southern CaliforniaUSUnknown53
2026-09-08University of Southern CaliforniaUSUnknown53
2026-09-07University of Southern CaliforniaUSUnknown53
2026-09-06University of Southern CaliforniaUSUnknown53
2026-09-05University of Southern CaliforniaUSUnknown53
2026-09-04University of Southern CaliforniaUSUnknown53
2026-09-03University of Southern CaliforniaUSUnknown53
2026-09-02University of Southern CaliforniaUSUnknown53
2026-09-01University of Southern CaliforniaUSUnknown53
2026-08-31University of Southern CaliforniaUSUnknown53
2026-08-30University of Southern CaliforniaUSUnknown53
2026-08-29University of Southern CaliforniaUSUnknown53
2026-08-28University of Southern CaliforniaUSUnknown53
2026-08-27University of Southern CaliforniaUSUnknown53
2026-08-26University of Southern CaliforniaUSUnknown53
2026-08-25University of Southern CaliforniaUSUnknown53
2026-08-24University of Southern CaliforniaUSUnknown53
2026-08-23University of Southern CaliforniaUSUnknown53
2026-08-22University of Southern CaliforniaUSUnknown53
2026-08-21University of Southern CaliforniaUSUnknown53
2026-08-20University of Southern CaliforniaUSUnknown53
2026-08-19University of Southern CaliforniaUSUnknown53
2026-08-18University of Southern CaliforniaUSUnknown53
2026-08-17University of Southern CaliforniaUSUnknown53
2026-08-16University of Southern CaliforniaUSUnknown53
2026-08-15University of Southern CaliforniaUSUnknown54
2026-08-14University of Southern CaliforniaUSUnknown52
2026-08-13University of Southern CaliforniaUSUnknown53
2026-08-12University of Southern CaliforniaUSUnknown53
2026-08-11University of Southern CaliforniaUSUnknown53
2026-08-10University of Southern CaliforniaUSUnknown56
2026-08-09University of Southern CaliforniaUSUnknown57
2026-08-08University of Southern CaliforniaUSUnknown57
2026-08-07University of Southern CaliforniaUSUnknown57
2026-08-06University of Southern CaliforniaUSUnknown57
2026-08-05University of Southern CaliforniaUSUnknown57
2026-08-04University of Southern CaliforniaUSUnknown58
2026-08-03University of Southern CaliforniaUSUnknown57
2026-08-02University of Southern CaliforniaUSUnknown57
2026-08-01University of Southern CaliforniaUSUnknown56
2026-07-31University of Southern CaliforniaUSUnknown57
2026-07-30University of Southern CaliforniaUSUnknown57
2026-07-29University of Southern CaliforniaUSUnknown56
2026-07-28University of Southern CaliforniaUSUnknown56
2026-07-27University of Southern CaliforniaUSUnknown56
2026-07-26University of Southern CaliforniaUSUnknown56
2026-07-25University of Southern CaliforniaUSUnknown56
2026-07-24University of Southern CaliforniaUSUnknown56
2026-07-23University of Southern CaliforniaUSUnknown56
2026-07-22University of Southern CaliforniaUSUnknown56
2026-07-21University of Southern CaliforniaUSUnknown56
2026-07-20University of Southern CaliforniaUSUnknown55
2026-07-19University of Southern CaliforniaUSUnknown56
2026-07-18University of Southern CaliforniaUSUnknown55
2026-07-17University of Southern CaliforniaUSUnknown56
2026-07-16University of Southern CaliforniaUSUnknown56
2026-07-15University of Southern CaliforniaUSUnknown56
2026-07-14University of Southern CaliforniaUSUnknown55
2026-07-13University of Southern CaliforniaUSUnknown55
2026-07-12University of Southern CaliforniaUSUnknown56
2026-07-11University of Southern CaliforniaUSUnknown56
2026-07-10University of Southern CaliforniaUSUnknown56
2026-07-09University of Southern CaliforniaUSUnknown56
2026-07-08University of Southern CaliforniaUSUnknown56
2026-07-07University of Southern CaliforniaUSUnknown56
2026-07-06University of Southern CaliforniaUSUnknown56
2026-07-05University of Southern CaliforniaUSUnknown56
2026-07-04University of Southern CaliforniaUSUnknown56
2026-07-03University of Southern CaliforniaUSUnknown56
2026-07-02University of Southern CaliforniaUSUnknown56
2026-07-01University of Southern CaliforniaUSUnknown56
2026-06-30University of Southern CaliforniaUSUnknown56
2026-06-29University of Southern CaliforniaUSUnknown56
2026-06-28University of Southern CaliforniaUSUnknown53
2026-06-27University of Southern CaliforniaUSUnknown53
2026-06-26University of Southern CaliforniaUSUnknown53
2026-06-25University of Southern CaliforniaUSUnknown53
2026-06-24University of Southern CaliforniaUSUnknown53
2026-06-23University of Southern CaliforniaUSUnknown53
2026-06-22University of Southern CaliforniaUSUnknown53
2026-06-21University of Southern CaliforniaUSUnknown53
2026-06-20University of Southern CaliforniaUSUnknown53
2026-06-19University of Southern CaliforniaUSUnknown53
2026-06-18University of Southern CaliforniaUSUnknown53
2026-06-17University of Southern CaliforniaUSUnknown53
2026-06-16University of Southern CaliforniaUSUnknown53
2026-06-15University of Southern CaliforniaUSUnknown54
2026-06-14University of Southern CaliforniaUSUnknown54
2026-06-13University of Southern CaliforniaUSUnknown54

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-10-24191.7.35.0/24AcquiredAS1, AS275860AS1, AS4
2026-09-2343.240.64.0/24ReleasedAS4, AS133296AS133296
2026-09-23103.39.120.0/23ReleasedAS4AS2
2026-09-16103.39.120.0/23AcquiredAS3AS4
2026-09-162804:3edc::/32AcquiredAS2, AS266625AS4, AS266625
2026-08-29170.79.218.0/23Origin set changedAS4AS4, AS266306
2026-08-24170.79.218.0/23Origin set changedAS4, AS266306AS4
2026-08-16193.7.185.0/24ReleasedAS4AS48785
2026-08-15170.79.218.0/23AcquiredAS266306AS4, AS266306
2026-08-15193.7.185.0/24Acquired—AS4
2026-08-14170.79.218.0/23ReleasedAS4, AS266306AS266306
2026-08-1145.228.73.0/24ReleasedAS4—
2026-08-1145.228.74.0/24ReleasedAS4—
2026-08-1145.228.75.0/24ReleasedAS4—
2026-08-10168.90.73.0/24ReleasedAS4, AS52493AS52493
2026-08-05189.39.184.0/24ReleasedAS4, AS270792AS270792
2026-08-04189.39.184.0/24AcquiredAS270792AS4, AS270792
2026-08-02168.90.73.0/24AcquiredAS52493AS4, AS52493
2026-08-01168.90.73.0/24ReleasedAS4, AS52493AS52493
2026-07-30168.90.73.0/24AcquiredAS52493AS4, AS52493
2026-07-212c0f:fdd0::/32AcquiredAS37358AS4, AS37358
2026-07-20168.90.73.0/24ReleasedAS4, AS52493AS52493
2026-07-19168.90.73.0/24AcquiredAS52493AS4, AS52493
2026-07-18168.90.73.0/24ReleasedAS4, AS52493AS52493
2026-07-1545.228.75.0/24AcquiredAS5AS4
2026-07-1345.228.75.0/24ReleasedAS4AS5
2026-07-0345.228.73.0/24Origin set changedAS4, AS266674AS4
2026-06-2945.228.73.0/24AcquiredAS3, AS266674AS4, AS266674
2026-06-2945.228.74.0/24AcquiredAS3AS4
2026-06-2945.228.75.0/24AcquiredAS3AS4
2026-06-16196.13.137.0/24ReleasedAS4, AS7AS7
Changes page 1