AS143193
China Education and Research Network (CERNET)
CNUnknown2026-10-01
Announced prefixes 1
Snapshot history
| Date | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| 2026-11-11 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-10 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-09 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-08 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-07 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-06 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-05 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-04 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-03 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-02 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-11-01 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-31 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-30 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-29 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-28 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-27 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-26 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-25 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-24 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-23 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-22 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-21 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-20 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-19 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-18 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-17 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-16 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-15 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-14 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-13 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-12 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-11 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-10 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-09 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-08 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-07 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-06 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-05 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-04 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-03 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-02 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-10-01 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-30 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-29 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-28 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-27 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-26 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-25 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-24 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-23 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-22 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-21 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-20 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-19 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-18 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-17 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-16 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-15 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-14 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-13 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-12 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-11 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-10 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-09 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-08 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-07 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-06 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-05 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-04 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-03 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-02 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-09-01 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-31 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-30 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-29 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-28 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-27 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-26 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-25 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-24 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-23 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-22 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-21 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-20 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-19 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-18 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-17 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-16 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-15 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-14 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-13 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-12 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-11 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-10 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-09 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-08 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-07 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-06 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-05 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-04 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-03 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-02 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-08-01 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-31 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-30 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-29 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-28 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-27 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-26 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-25 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-24 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-23 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-22 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-21 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-20 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-19 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-18 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-17 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-16 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-15 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-14 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-13 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-12 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-11 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-10 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-09 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-08 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-07 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-06 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-05 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-04 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-03 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-02 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-07-01 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-30 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-29 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-28 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-27 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-26 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-25 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-24 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-23 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-22 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-21 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-20 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-19 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-18 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-17 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-16 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-15 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-14 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
| 2026-06-13 | China Education and Research Network (CERNET) | CN | Unknown | 1 |
IP-block changes
Open full filtered history →| Observed | Block | Action | Previous origins | New origins |
|---|---|---|---|---|
| 2026-10-02 | 240a:a21f::/32 | Origin set changed | AS143193 | AS4538, AS143193 |
| 2026-10-01 | 240a:a21f::/32 | Origin set changed | AS4538, AS143193 | AS143193 |
| 2026-09-09 | 240a:a21f::/32 | Origin set changed | AS143193 | AS4538, AS143193 |
| 2026-08-27 | 240a:a21f::/32 | Origin set changed | AS4538, AS143193 | AS143193 |
Changes page 1