IP Tracker

AS3527

National Institutes of Health

USContent2026-07-30

Announced prefixes 16

128.231.0.0/16128.231.3.0/24128.231.245.0/24137.187.0.0/16156.40.0.0/16157.98.0.0/16162.99.224.0/19165.112.0.0/16165.112.0.0/20165.112.0.0/21165.112.136.0/21192.231.145.0/24192.231.146.0/23192.231.146.0/24192.231.147.0/242607:f220:400::/43

Snapshot history

DateNameCountryClassPrefixes
2026-11-13National Institutes of HealthUSContent16
2026-11-12National Institutes of HealthUSContent16
2026-11-11National Institutes of HealthUSContent16
2026-11-10National Institutes of HealthUSContent16
2026-11-09National Institutes of HealthUSContent16
2026-11-08National Institutes of HealthUSContent16
2026-11-07National Institutes of HealthUSContent16
2026-11-06National Institutes of HealthUSContent16
2026-11-05National Institutes of HealthUSContent16
2026-11-04National Institutes of HealthUSContent16
2026-11-03National Institutes of HealthUSContent16
2026-11-02National Institutes of HealthUSContent16
2026-11-01National Institutes of HealthUSContent16
2026-10-31National Institutes of HealthUSContent16
2026-10-30National Institutes of HealthUSContent16
2026-10-29National Institutes of HealthUSContent16
2026-10-28National Institutes of HealthUSContent16
2026-10-27National Institutes of HealthUSContent16
2026-10-26National Institutes of HealthUSContent16
2026-10-25National Institutes of HealthUSContent16
2026-10-24National Institutes of HealthUSContent16
2026-10-23National Institutes of HealthUSContent16
2026-10-22National Institutes of HealthUSContent16
2026-10-21National Institutes of HealthUSContent16
2026-10-20National Institutes of HealthUSContent16
2026-10-19National Institutes of HealthUSContent16
2026-10-18National Institutes of HealthUSContent16
2026-10-17National Institutes of HealthUSContent16
2026-10-16National Institutes of HealthUSContent16
2026-10-15National Institutes of HealthUSContent16
2026-10-14National Institutes of HealthUSContent16
2026-10-13National Institutes of HealthUSContent16
2026-10-12National Institutes of HealthUSContent16
2026-10-11National Institutes of HealthUSContent16
2026-10-10National Institutes of HealthUSContent16
2026-10-09National Institutes of HealthUSContent16
2026-10-08National Institutes of HealthUSContent16
2026-10-07National Institutes of HealthUSContent16
2026-10-06National Institutes of HealthUSContent16
2026-10-05National Institutes of HealthUSContent16
2026-10-04National Institutes of HealthUSContent16
2026-10-03National Institutes of HealthUSContent16
2026-10-02National Institutes of HealthUSContent16
2026-10-01National Institutes of HealthUSContent16
2026-09-30National Institutes of HealthUSContent16
2026-09-29National Institutes of HealthUSContent16
2026-09-28National Institutes of HealthUSContent16
2026-09-27National Institutes of HealthUSContent16
2026-09-26National Institutes of HealthUSContent16
2026-09-25National Institutes of HealthUSContent16
2026-09-24National Institutes of HealthUSContent16
2026-09-23National Institutes of HealthUSContent16
2026-09-22National Institutes of HealthUSContent16
2026-09-21National Institutes of HealthUSContent16
2026-09-20National Institutes of HealthUSContent16
2026-09-19National Institutes of HealthUSContent16
2026-09-18National Institutes of HealthUSContent16
2026-09-17National Institutes of HealthUSContent16
2026-09-16National Institutes of HealthUSContent16
2026-09-15National Institutes of HealthUSContent16
2026-09-14National Institutes of HealthUSContent16
2026-09-13National Institutes of HealthUSContent16
2026-09-12National Institutes of HealthUSContent16
2026-09-11National Institutes of HealthUSContent16
2026-09-10National Institutes of HealthUSContent16
2026-09-09National Institutes of HealthUSContent16
2026-09-08National Institutes of HealthUSContent16
2026-09-07National Institutes of HealthUSContent16
2026-09-06National Institutes of HealthUSContent16
2026-09-05National Institutes of HealthUSContent16
2026-09-04National Institutes of HealthUSContent16
2026-09-03National Institutes of HealthUSContent16
2026-09-02National Institutes of HealthUSContent16
2026-09-01National Institutes of HealthUSContent16
2026-08-31National Institutes of HealthUSContent16
2026-08-30National Institutes of HealthUSContent16
2026-08-29National Institutes of HealthUSContent16
2026-08-28National Institutes of HealthUSContent16
2026-08-27National Institutes of HealthUSContent16
2026-08-26National Institutes of HealthUSContent16
2026-08-25National Institutes of HealthUSContent16
2026-08-24National Institutes of HealthUSContent16
2026-08-23National Institutes of HealthUSContent16
2026-08-22National Institutes of HealthUSContent16
2026-08-21National Institutes of HealthUSContent16
2026-08-20National Institutes of HealthUSContent16
2026-08-19National Institutes of HealthUSContent16
2026-08-18National Institutes of HealthUSContent16
2026-08-17National Institutes of HealthUSContent16
2026-08-16National Institutes of HealthUSContent16
2026-08-15National Institutes of HealthUSContent16
2026-08-14National Institutes of HealthUSContent16
2026-08-13National Institutes of HealthUSContent16
2026-08-12National Institutes of HealthUSContent16
2026-08-11National Institutes of HealthUSContent16
2026-08-10National Institutes of HealthUSContent16
2026-08-09National Institutes of HealthUSContent16
2026-08-08National Institutes of HealthUSContent16
2026-08-07National Institutes of HealthUSContent16
2026-08-06National Institutes of HealthUSContent16
2026-08-05National Institutes of HealthUSContent16
2026-08-04National Institutes of HealthUSContent16
2026-08-03National Institutes of HealthUSContent16
2026-08-02National Institutes of HealthUSContent16
2026-08-01National Institutes of HealthUSContent16
2026-07-31National Institutes of HealthUSContent16
2026-07-30National Institutes of HealthUSContent16
2026-07-29National Institutes of HealthUSContent16
2026-07-28National Institutes of HealthUSContent16
2026-07-27National Institutes of HealthUSContent16
2026-07-26National Institutes of HealthUSContent16
2026-07-25National Institutes of HealthUSContent16
2026-07-24National Institutes of HealthUSContent16
2026-07-23National Institutes of HealthUSContent16
2026-07-22National Institutes of HealthUSContent16
2026-07-21National Institutes of HealthUSContent16
2026-07-20National Institutes of HealthUSContent16
2026-07-19National Institutes of HealthUSContent16
2026-07-18National Institutes of HealthUSContent16
2026-07-17National Institutes of HealthUSContent16
2026-07-16National Institutes of HealthUSContent16
2026-07-15National Institutes of HealthUSContent16
2026-07-14National Institutes of HealthUSContent16
2026-07-13National Institutes of HealthUSContent16
2026-07-12National Institutes of HealthUSContent16
2026-07-11National Institutes of HealthUSContent16
2026-07-10National Institutes of HealthUSContent16
2026-07-09National Institutes of HealthUSContent16
2026-07-08National Institutes of HealthUSContent16
2026-07-07National Institutes of HealthUSContent16
2026-07-06National Institutes of HealthUSContent16
2026-07-05National Institutes of HealthUSContent16
2026-07-04National Institutes of HealthUSContent16
2026-07-03National Institutes of HealthUSContent16
2026-07-02National Institutes of HealthUSContent16
2026-07-01National Institutes of HealthUSContent16
2026-06-30National Institutes of HealthUSContent16
2026-06-29National Institutes of HealthUSContent16
2026-06-28National Institutes of HealthUSContent16
2026-06-27National Institutes of HealthUSContent16
2026-06-26National Institutes of HealthUSContent16
2026-06-25National Institutes of HealthUSContent16
2026-06-24National Institutes of HealthUSContent16
2026-06-23National Institutes of HealthUSContent16
2026-06-22National Institutes of HealthUSContent16
2026-06-21National Institutes of HealthUSContent16
2026-06-20National Institutes of HealthUSContent16
2026-06-19National Institutes of HealthUSContent16
2026-06-18National Institutes of HealthUSContent16
2026-06-17National Institutes of HealthUSContent16
2026-06-16National Institutes of HealthUSContent16
2026-06-15National Institutes of HealthUSContent16
2026-06-14National Institutes of HealthUSContent16
2026-06-13National Institutes of HealthUSContent16

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-06-24165.112.136.0/21Origin set changedAS3527AS3527, AS30387
Changes page 1