AS Number
AS23910
AS Name
CNGI-CERNET2-AS-AP
Org Name
China Next Generation Internet CERNET2
Country / Region
China
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS23910 Looking Glass
IPv4Prefixes

6

IPv6Prefixes

47

IPv4 NUMs

3,076

IPv6 NUMs(/64)

17,609,365,913,600

3,076 IPv4 Addresses
CIDR Description IP Num
202.38.120.0/24
IRR Valid
CERNET-CN China Education and Research Network 256
202.112.3.200/30
IRR InValid
BJR-CERNET China Education and Research Network 4
202.112.49.0/24
IRR InValid
BJR-CERNET China Education and Research Network 256
202.112.55.0/24
IRR InValid
BJR-CERNET China Education and Research Network 256
202.179.244.0/24
IRR Valid
TEIN2-CERNET Trans-Eurasia Information Network (TEIN2) 256
219.243.208.0/21
IRR Valid
CERNET-CN China Education and Research Network 2048
CIDR Description IP NUMs(prefix /64)
2001:250::/32
CERNET-CN-20000426 CERNET IPv6 Backbone 4294967296
2001:250:200::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:fe02::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff00::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff01::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff02::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff03::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff04::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff05::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff06::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff07::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff08::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff09::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0a::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0b::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0c::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0d::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0e::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff0f::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff10::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff11::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff12::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff13::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff14::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff15::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff16::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff1a::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff1b::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff1c::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff1d::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff1f::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff20::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff21::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff22::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff23::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff24::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff25::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:ff26::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:251::/32
CERNET-CN-20031111 CERNET IPv6CJ 4294967296
2001:da8::/32
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 4294967296
2001:da8:7::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:20d::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2403:3140::/32
CERNET2-LCN6 Location Centric Network 4294967296
240c:c000::/20
IRR Valid
CERNET China Education and Research Network 17592186044416
240c:c0a0::/32
IRR Parent Valid
CERNET China Education and Research Network 4294967296
240c:c0a9:1000::/40
IRR Parent Valid
CERNET China Education and Research Network 16777216
240c:ca04::/32
IRR Parent Valid
CERNET China Education and Research Network 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,177,856 17,966,002,536,448 IPv4 IPv4 IPv6 IPv6
AS23911 CNGI-BJIX-AS-AP - China Next Generation Internet Beijing IX, CN China 512 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street, CN China 110,725,648 17,592,187,813,888 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS138440 CNGI-HAK-IX-AS-AP - China Education and Research Network (CERNET), CN China 91,392 4,296,278,272 IPv6 IPv6
AS24575 DRAGONLAB-AS-AP - DRAGONLAB, CN China 1,024 0 IPv4 IPv4
AS24351 CNGI-BJ-IX5-AS-AP - CERNET2 IX at Beijing University of Aeronautics and Astronautics, CN China 0 655,360 IPv6 IPv6
AS24360 CNGI-ZHZ-IX-AS-AP - CERNET2 IX at Zhengzhou University, CN China 655,104 12,896,765,504 IPv6 IPv6
AS24361 CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University, CN China 1,256,704 21,486,831,104 IPv6 IPv6
AS24370 CNGI-DLN-IX-AS-AP - CERNET2 IX at Dalian University of Technology, CN China 253,696 2,342,912 IPv6 IPv6
AS138438 CNGI-GLN-IX-AS-AP - China Education and Research Network (CERNET), CN China 83,968 8,591,572,992 IPv6 IPv6
AS138375 CNGI-HHT-IX-AS-AP - China Education and Research Network (CERNET), CN China 239,616 4,297,457,664 IPv6 IPv6
AS24354 CNGI-LZH-IX-AS-AP - CERNET2 IX at Lanzhou University, CN China 266,752 3,014,928 IPv6 IPv6
AS24362 CNGI-HEF-IX-AS-AP - CERNET2 IX at University of Science and Technology of China, CN China 267,008 8,597,668,096 IPv6 IPv6
AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University, CN China 1,354,240 12,890,669,312 IPv6 IPv6
AS24367 CNGI-HZH-IX-AS-AP - CERNET2 IX at Zhejiang University, CN China 163,328 25,777,733,632 IPv6 IPv6
AS138182 CNGI-SJZ-IX-AS-AP - China Education and Research Network (CERNET), CN China 248,064 6,815,744 IPv6 IPv6
AS138371 CNGI-QDA-IX-AS-AP - China Education and Research Network (CERNET), CN China 121,856 30,066,475,008 IPv6 IPv6
AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University, CN China 249,856 4,298,113,024 IPv6 IPv6
AS24356 CNGI-CHQ-IX-AS-AP - CERNET2 IX at Chongqing University, CN China 246,016 4,194,304 IPv6 IPv6
AS24369 CNGI-SY-IX-AS-AP - CERNET2 IX at Northeast University, CN China 413,952 8,593,276,928 IPv6 IPv6
AS133111 CNT-northChina - CERNET New Technology Co., Ltd, CN China 92,160 8,830,537,368,320 IPv6 IPv6
AS133517 CERNEWTECH-NANJING - CERNET New Technology Co., Ltd, CN China 0 16,777,216 IPv6 IPv6
AS133518 CERNEWTECH-WUHAN - CERNET New Technology Co., Ltd, CN China 0 16,777,216 IPv6 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,177,856 17,966,002,536,448 IPv6 IPv6
AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University, CN China 817,412 8,613,626,128 IPv6 IPv6
AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University, CN China 526,880 12,888,573,440 IPv6 IPv6
AS24366 CNGI-SH-IX3-AS-AP - CERNET2 IX at Tongji University, CN China 0 4,295,098,368 IPv6 IPv6
AS38587 CERNET-IDC-AP - CERNET Internet Data Center, CN China 0 16,908,544 IPv6 IPv6
AS133513 CERNEWTECH-CHENGDU - CERNET New Technology Co., Ltd, CN China 1,280 33,591,296 IPv6 IPv6
AS138376 CNGI-YCH-IX-AS-AP - China Education and Research Network (CERNET), CN China 61,952 1,048,576 IPv6 IPv6
AS138378 CNGI-KMN-IX-AS-AP - China Education and Research Network (CERNET), CN China 231,168 4,298,506,496 IPv6 IPv6
AS138393 CNGI-NAN-IX-AS-AP - China Education and Research Network (CERNET), CN China 104,448 8,593,801,216 IPv6 IPv6
AS24355 CNGI-CD-IX-AS-AP - CERNET2 IX at University of Electronic Science and Technology of China, CN China 596,736 8,597,277,584 IPv6 IPv6
AS24358 CNGI-WH-IX-AS-AP - CERNET2 IX at Huazhong University of Science and Technology, CN China 909,824 4,303,423,376 IPv6 IPv6
AS24363 CNGI-JNN-IX-AS-AP - CERNET2 IX at Shandong University, CN China 553,728 171,808,915,456 IPv6 IPv6
AS24372 CNGI-HRB-IX-AS-AP - CERNET2 IX at Harbin Institute of Technology, CN China 229,632 4,298,574,080 IPv6 IPv6
AS138374 CNGI-TYN-IX-AS-AP - China Education and Research Network (CERNET), CN China 125,952 3,473,408 IPv6 IPv6
AS138442 CNGI-LSA-IX-AS-AP - China Education and Research Network (CERNET), CN China 22,784 131,072 IPv6 IPv6
AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications, CN China 2,040,064 12,887,261,184 IPv6 IPv6
AS24359 CNGI-CHS-IX-AS-AP - CERNET2 IX at Central South University, CN China 302,080 4,299,360,512 IPv6 IPv6
AS24365 CNGI-SH-IX2-AS-AP - CERNET2 IX at Fudan University, CN China 0 4,295,294,976 IPv6 IPv6
AS133512 CERNEWTECH-ZHENGZHOU - CERNET New Technology Co., Ltd, CN China 1,792 33,554,432 IPv6 IPv6
AS133515 CERNEWTECH-XIAN - CERNET New Technology Co., Ltd, CN China 0 33,554,432 IPv6 IPv6
AS138369 CNGI-SZH-IX-AS-AP - China Education and Research Network (CERNET), CN China 240,384 8,592,556,032 IPv6 IPv6
AS24357 CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of Technology, CN China 1,424,640 12,897,684,480 IPv6 IPv6
AS24371 CNGI-CHC-IX-AS-AP - CERNET2 IX at Jilin University, CN China 408,320 4,299,030,528 IPv6 IPv6
AS138370 CNGI-NCH-IX-AS-AP - China Education and Research Network (CERNET), CN China 124,672 4,299,489,280 IPv6 IPv6
AS138373 CNGI-FZH-IX-AS-AP - China Education and Research Network (CERNET), CN China 131,072 2,359,296 IPv6 IPv6
AS138381 CNGI-GYN-IX-AS-AP - China Education and Research Network (CERNET), CN China 82,944 3,473,408 IPv6 IPv6
AS23911 CNGI-BJIX-AS-AP - China Next Generation Internet Beijing IX, CN China 512 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS24353 CNGI-XA-IX-AS-AP - CERNET2 IX at Xi'an Jiaotong University, CN China 663,040 21,480,998,400 IPv6 IPv6
AS24368 CNGI-XMN-IX-AS-AP - CERNET2 IX at Xiamen University, CN China 248,576 2,162,688 IPv6 IPv6
AS138377 CNGI-XNN-IX-AS-AP - China Education and Research Network (CERNET), CN China 58,368 851,968 IPv6 IPv6
IP Address Domain NUMs Domains
202.38.120.248 1 www.cernet2.edu.cn
as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS23854 - AS23944
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC



aut-num:        AS23910
as-name:        CNGI-CERNET2-AS-AP
descr:          China Next Generation Internet CERNET2
descr:          CNGI-CERNET
descr:          Beijing 100084, China
country:        CN
import:         from AS4538 action pref=10; accept ANY
import:         from AS4839 action pref=10; accept ANY
import:         from AS4840 action pref=10; accept ANY
import:         from AS9406 action pref=10; accept ANY
import:         from AS9407 action pref=10; accept ANY
export:         to AS9406 announce AS23910 AS4538 AS9407 AS4839 AS4840
export:         to AS4538 announce AS23910 AS9406 AS9407 AS4839 AS4840
export:         to AS9407 announce AS23910 AS4538 AS9406 AS4839 AS4840
export:         to AS4840 announce AS23910 AS4538 AS9406 AS9407 AS4839
export:         to AS4839 announce AS23910 AS4538 AS9406 AS9407 AS4840
default:        to AS4538 action pref=10; networks ANY
remarks:        Multihome portion of CERNET
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:14Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn was validated on 2023-12-14
mnt-by:         MAINT-CERNET-AP
last-modified:  2023-12-14T03:44:39Z
source:         APNIC

role:           ABUSE CERNETAP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
country:        ZZ
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2023-12-14
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2023-12-14T03:44:51Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC