AS24355

CERNET2 IX at University of Electronic Science and Technology of China

CNUnknown2026-09-16

Announced prefixes 121

2001:250:2000::/482001:250:2001::/482001:250:2002::/482001:250:2003::/482001:250:2004::/482001:250:2005::/482001:250:2006::/482001:250:2007::/482001:250:2008::/482001:250:2009::/482001:250:200a::/482001:250:200b::/482001:250:200c::/482001:250:200d::/482001:250:200e::/482001:250:200f::/482001:250:2010::/482001:250:2012::/482001:250:2013::/482001:250:2015::/482001:250:2016::/482001:250:2017::/482001:250:2018::/482001:250:2019::/482001:250:201a::/482001:250:201c::/482001:250:201d::/482001:250:201f::/482001:250:2020::/482001:250:2021::/482001:250:2022::/482001:250:2023::/482001:250:2024::/482001:250:2025::/482001:250:2026::/482001:250:2027::/482001:250:2028::/482001:250:202a::/482001:250:202b::/482001:250:202c::/482001:250:202d::/482001:250:202e::/482001:250:202f::/482001:250:2030::/482001:250:2031::/482001:250:2032::/482001:250:2033::/482001:250:2035::/482001:250:2036::/482001:250:2037::/482001:250:2038::/482001:250:2039::/482001:250:203a::/482001:250:203b::/482001:250:203c::/482001:250:203e::/482001:250:203f::/482001:250:2041::/482001:250:2043::/482001:250:2044::/482001:250:2045::/482001:250:2047::/482001:250:2049::/482001:250:204d::/482001:250:2050::/482001:250:2051::/482001:250:2052::/482001:250:2053::/482001:250:2054::/482001:250:2055::/482001:250:2057::/482001:250:2058::/482001:250:2059::/482001:da8:b0::/482001:da8:6000::/482001:da8:6002::/482001:da8:6003::/482001:da8:6004::/482001:da8:6005::/482001:da8:6006::/482001:da8:6007::/482001:da8:6008::/482001:da8:6009::/482001:da8:600b::/482001:da8:600c::/482001:da8:600d::/482001:da8:600f::/482001:da8:6013::/482001:da8:6015::/482001:da8:6016::/482001:da8:6017::/482001:da8:6018::/482001:da8:6019::/482001:da8:601a::/482001:da8:601b::/482001:da8:601c::/482001:da8:601d::/482001:da8:601e::/482001:da8:601f::/482001:da8:6020::/482001:da8:6021::/482001:da8:6022::/482001:da8:6023::/482001:da8:6024::/482001:da8:6025::/482001:da8:6026::/482001:da8:6027::/482001:da8:6028::/482001:da8:6029::/482001:da8:602a::/482001:da8:602b::/482001:da8:602c::/482001:da8:602d::/482001:da8:602e::/482001:da8:602f::/482001:da8:6030::/482001:da8:6031::/482001:da8:6032::/48240c:c981::/32240c:c983::/32240c:c99d::/32

Snapshot history

Date	Name	Country	Class	Prefixes
2026-11-11	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-10	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-09	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-08	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-07	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-06	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-05	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-04	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-03	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-02	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-11-01	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-31	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-30	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-29	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-28	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-27	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-26	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-25	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-24	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-23	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-22	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-21	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-20	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-19	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-18	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-17	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-16	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-15	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-14	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-13	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-12	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-11	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-10	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-09	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-08	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-07	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-06	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-05	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-04	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-03	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-02	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-10-01	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-09-30	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-09-29	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	123
2026-09-28	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-27	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-26	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-25	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-24	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-23	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-22	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-21	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-20	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-19	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-18	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-17	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-16	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	121
2026-09-15	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-14	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-13	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-12	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-11	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-10	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-09	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-08	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-07	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-06	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-05	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-04	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-03	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-02	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-09-01	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-31	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-30	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-29	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-28	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-27	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-26	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-25	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-24	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-23	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-22	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-21	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-20	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-19	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-18	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-17	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-16	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-15	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-14	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-13	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-12	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-11	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-10	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-09	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-08	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-07	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-06	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-05	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-04	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-03	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-02	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-08-01	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-31	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-30	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-29	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-28	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-27	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-26	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-25	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-24	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-23	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	129
2026-07-22	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-21	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-20	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-19	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-18	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-17	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-16	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	128
2026-07-15	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-14	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-13	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-12	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-11	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-10	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-09	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-08	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-07	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-06	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-05	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-04	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-03	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-02	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-07-01	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-06-30	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-06-29	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-06-28	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-06-27	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	127
2026-06-26	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-25	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-24	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-23	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-22	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-21	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-20	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-19	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-18	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-17	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-16	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-15	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-14	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126
2026-06-13	CERNET2 IX at University of Electronic Science and Technology of China	CN	Unknown	126

IP-block changes

Open full filtered history →

Observed	Block	Action	Previous origins	New origins
2026-09-29	`2001:250:204e::/48`	Acquired	—	AS24355
2026-09-29	`2001:250:205a::/48`	Acquired	—	AS24355
2026-09-16	`202.112.14.0/23`	Released	AS4538, AS24355	AS4538
2026-09-16	`202.112.14.0/24`	Released	AS24355	—
2026-09-16	`202.112.15.0/24`	Released	AS4538, AS24355	AS4538
2026-09-16	`202.112.16.0/24`	Released	AS4538, AS24355	AS4538
2026-09-16	`202.115.0.0/19`	Released	AS4538, AS24355	AS4538
2026-09-16	`202.115.32.0/19`	Released	AS4538, AS24355	AS4538
2026-09-16	`202.115.64.0/20`	Released	AS4538, AS24355	AS4538
2026-09-16	`222.196.141.0/24`	Released	AS4538, AS24355	AS4538
2026-07-23	`2001:250:2059::/48`	Acquired	—	AS24355
2026-07-16	`2001:250:2041::/48`	Acquired	—	AS24355
2026-06-27	`2001:250:2057::/48`	Acquired	—	AS24355