AS Number
AS133111
AS Name
CNT-northChina
Org Name
CERNET New Technology Co., Ltd
Country
China
Registry

apnic

RegDate

N/A

Updated

2023-09-05T03:51:15Z

AS133111 Looking Glass
IPv4Prefixes

86

IPv6Prefixes

78

IPv4 NUMs

75,776

IPv6 NUMs(/64)

8,830,554,145,536

75,776 IPv4 Addresses
CIDR Description IP Num
42.201.32.0/19 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 8192
42.201.33.0/24 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 256
42.201.60.0/23 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 512
42.201.62.0/23 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 512
42.201.63.0/24 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 256
42.245.192.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.192.0/18 JSBD-CN ~{H|6{PB<<Ju~} 16384
42.245.193.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.196.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.197.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.199.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.200.0/22 JSBD-CN ~{H|6{PB<<Ju~} 1024
42.245.203.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.204.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.204.0/22 JSBD-CN ~{H|6{PB<<Ju~} 1024
42.245.205.0/24 JSBD-CN ~{H|6{PB<<Ju~} 256
42.245.212.0/24 SNDXTC-CN ~{H|6{PB<<Ju~} 256
42.245.216.0/24 SNDXTC-CN ~{H|6{PB<<Ju~} 256
42.245.219.0/24 SNDXTC-CN ~{H|6{PB<<Ju~} 256
42.245.220.0/24 SNDXTC-CN ~{H|6{PB<<Ju~} 256
42.245.221.0/24 SNDXTC-CN ~{H|6{PB<<Ju~} 256
42.245.231.0/24 GRTNC-CN ~{H|6{PB<<Ju~} 256
43.240.136.0/22 HCIX HCI Solutions Co.,Ltd 1024
43.241.76.0/22 HCIX HCI Solutions Co.,Ltd 1024
43.242.84.0/22 HCIX HCI Solutions Co.,Ltd 1024
43.252.48.0/24 CNTCL-AS-AP CERNET New Technology Co., Ltd 256
58.205.192.0/22 CIS-CERNET China Education and Research Network 1024
58.205.196.0/22 CIS-CERNET China Education and Research Network 1024
58.205.200.0/21 CIS-CERNET China Education and Research Network 2048
58.205.208.0/21 CIS-CERNET China Education and Research Network 2048
58.205.216.0/22 CIS-CERNET China Education and Research Network 1024
59.64.112.0/21 BJR-CERNET China Education and Research Network 2048
59.64.115.0/24 BJR-CERNET China Education and Research Network 256
59.64.116.0/22 BJR-CERNET China Education and Research Network 1024
101.4.80.0/20 BJR-CERNET China Education and Research Network 4096
101.4.96.0/22 BJR-CERNET China Education and Research Network 1024
101.4.130.0/24 BJR-CERNET China Education and Research Network 256
101.4.141.0/24 BJR-CERNET China Education and Research Network 256
101.7.8.0/24 BJR-CERNET China Education and Research Network 256
103.81.200.0/22 CERNEWTECH CERNEWTECH ( BEIJING ) CORPORATION 1024
103.226.80.0/22 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 1024
117.73.0.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.1.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.2.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.3.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.4.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.5.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.6.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.7.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.8.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.9.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.10.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.11.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.12.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.13.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.14.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.15.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.16.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.17.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.18.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.19.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.20.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.21.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.22.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
117.73.23.0/24 InspurSoftware Inspur Software Group Co., Ltd. 256
118.186.208.0/21 XHXT Beijing xhxt technology development co., LTD 2048
118.186.240.0/22 GNT-TECH Beijing GNT Technology Co., Ltd. 1024
118.186.240.0/21 GNT-TECH Beijing GNT Technology Co., Ltd. 2048
118.186.244.0/22 GNT-TECH Beijing GNT Technology Co., Ltd. 1024
118.228.30.0/23 BJR-CERNET China Education and Research Network 512
118.228.159.0/24 BJR-CERNET China Education and Research Network 256
121.52.160.0/24 TSP-CERNET Tsinghua Science Park Internet Data Center 256
121.52.176.0/20 TSP-CERNET Tsinghua Science Park Internet Data Center 4096
121.194.0.0/20 BJR-CERNET China Education and Research Network 4096
121.194.13.0/24 BJR-CERNET China Education and Research Network 256
121.195.116.0/23 BJR-CERNET China Education and Research Network 512
202.205.0.0/20 BJR-CERNET China Education and Research Network 4096
202.205.109.0/24 BJR-CERNET China Education and Research Network 256
202.205.136.0/21 BJR-CERNET China Education and Research Network 2048
203.130.40.0/24 CHINANETCENTER ChinaNetCenter Ltd. 256
203.130.41.0/24 CHINANETCENTER ChinaNetCenter Ltd. 256
203.130.42.0/24 CHINANETCENTER ChinaNetCenter Ltd. 256
203.130.44.0/24 CHINANETCENTER ChinaNetCenter Ltd. 256
203.130.46.0/24 CHINANETCENTER ChinaNetCenter Ltd. 256
211.151.88.0/21 CHINA-21VIANET 21ViaNet(China),Inc. 2048
222.28.152.0/22 BJR-CERNET China Education and Research Network 1024
CIDR Description IP NUMs(prefix /64)
2001:250:222::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:23e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:20d::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:269::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:26b::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:26c::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2400:a980::/40 BJ-CERNEWTECH-CN Beijing, China 16777216
2400:a980::/32 BJ-CERNEWTECH-CN Beijing, China 4294967296
2400:a980::/29 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 34359738368
2400:a980:bf::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:cb::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:d0::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:d1::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:d3::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:d5::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:da::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:db::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:dd::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:df::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:e3::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:e5::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:ff::/48 BJ-CERNEWTECH-CN Beijing, China 65536
2400:a980:400::/40 TJ-CERNEWTECH-CN Tianjin,China 16777216
2400:a980:c00::/40 TY-CERNEWTECH-CN Taiyuan, Shanxi, China 16777216
2400:a980:cfe::/48 TY-CERNEWTECH-CN Taiyuan, Shanxi, China 65536
2400:a980:cff::/48 TY-CERNEWTECH-CN Taiyuan, Shanxi, China 65536
2400:a980:1800::/40 WLMQ-CERNEWTECH-CN Wulumuqi,Xinjiang,China 16777216
2400:a980:18fe::/48 WLMQ-CERNEWTECH-CN Wulumuqi,Xinjiang,China 65536
2400:a980:18ff::/48 WLMQ-CERNEWTECH-CN Wulumuqi,Xinjiang,China 65536
2400:a980:2000::/40 CD-CERNEWTECH-CN Chengdu, Sichuan, China 16777216
2400:a980:2800::/40 KM-CERNEWTECH-CN Kunming, Yunnan, China 16777216
2400:a980:28fe::/48 KM-CERNEWTECH-CN Kunming, Yunnan, China 65536
2400:a980:2c00::/40 GY-CERNEWTECH-CN Guiyang, Guizhou, China 16777216
2400:a980:2cff::/48 GY-CERNEWTECH-CN Guiyang, Guizhou, China 65536
2400:a980:3800::/40 HK-CERNEWTECH-CN Haikou,Hainan,China 16777216
2400:a980:4800::/40 ZZ-CERNEWTECH-CN Zhengzhou, Henan, China 16777216
2400:a980:5000::/40 NJ-CERNEWTECH-CN Nanjing, Jiangsu, China 16777216
2400:a980:50fc::/48 NJ-CERNEWTECH-CN Nanjing, Jiangsu, China 65536
2400:a980:5400::/40 HF-CERNEWTECH-CN Hefei, Anhui, China 16777216
2400:a980:54fe::/48 HF-CERNEWTECH-CN Hefei, Anhui, China 65536
2400:a980:54ff::/48 HF-CERNEWTECH-CN Hefei, Anhui, China 65536
2400:a980:5800::/40 JN-CERNEWTECH-CN Jinan, Shandong, China 16777216
2400:a980:5c00::/40 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 16777216
2400:a980:6400::/40 FZ-CERNEWTECH-CN Fuzhou,Fujian,China 16777216
2400:a980:6800::/40 NC-CERNEWTECH-CN Nanchang,Jiangxi,China 16777216
2400:a980:68fb::/48 NC-CERNEWTECH-CN Nanchang,Jiangxi,China 65536
2400:a980:68fd::/48 NC-CERNEWTECH-CN Nanchang,Jiangxi,China 65536
2400:a980:68ff::/48 NC-CERNEWTECH-CN Nanchang,Jiangxi,China 65536
2400:a980:7000::/40 SY-CERNEWTECH-CN shenyang,Liaoning,China 16777216
2400:a980:70fc::/48 SY-CERNEWTECH-CN shenyang,Liaoning,China 65536
2400:a980:70fd::/48 SY-CERNEWTECH-CN shenyang,Liaoning,China 65536
2400:a980:70fe::/48 SY-CERNEWTECH-CN shenyang,Liaoning,China 65536
2400:a980:70ff::/48 SY-CERNEWTECH-CN shenyang,Liaoning,China 65536
2400:a980:7400::/40 CC-CERNEWTECH-CN Changchun,Jilin,China 16777216
2400:a980:7800::/40 HEB-CERNEWTECH-CN Haerbin,Heilongjiang,China 16777216
2400:a980:78fd::/48 HEB-CERNEWTECH-CN Haerbin,Heilongjiang,China 65536
2400:a980:78fe::/48 HEB-CERNEWTECH-CN Haerbin,Heilongjiang,China 65536
2400:a980:7c00::/40 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 16777216
2400:a980:7cfe::/48 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 65536
2400:a980:7cff::/48 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 65536
2400:a980:9000::/40 SZ-CERNEWTECH-CN Shenzhen,Guangdong,China 16777216
2400:a980:90ff::/48 SZ-CERNEWTECH-CN Shenzhen,Guangdong,China 65536
2400:a980:a0fb::/48 HZ-CERNEWTECH-CN Hangzhou,Zhejiang,China 65536
2403:a200:9999::/48 CHINA-21VIANET 21ViaNet(China),Inc. 65536
240c:c0a9:1000::/40 CERNET China Education and Research Network 16777216
240c:c0a9:1600::/40 CERNET China Education and Research Network 16777216
240c:c0a9:1700::/40 CERNET China Education and Research Network 16777216
240c:c0a9:1800::/40 CERNET China Education and Research Network 16777216
240c:c0a9:1900::/40 CERNET China Education and Research Network 16777216
240c:c0a9:1a00::/40 CERNET China Education and Research Network 16777216
240c:c0aa:1::/48 CERNET China Education and Research Network 65536
240c:c0aa:2::/48 CERNET China Education and Research Network 65536
240c:c0aa:101::/48 CERNET China Education and Research Network 65536
240c:c0aa:102::/48 CERNET China Education and Research Network 65536
240c:c0aa:1000::/56 CERNET China Education and Research Network 256
240c:c0aa:2000::/56 CERNET China Education and Research Network 256
240c:c0aa:4000::/56 CERNET China Education and Research Network 256
240d:4000::/21 CNTCL-CN CERNET Tower, Tsinghua Science Park Building 8 8796093022208
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,172,736 17,970,298,617,856 IPv4 IPv4 IPv6 IPv6
AS9808 CHINAMOBILE-CN - China Mobile, CN China 35,853,056 17,888,568,410,112 IPv4 IPv4
AS138371 CNGI-QDA-IX-AS-AP - China Education and Research Network (CERNET), CN China 121,856 30,066,475,008 IPv4 IPv4
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 256 17,605,070,946,304 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS63727 HWCSNET - Huawei, CN China 4,864 65,536 IPv4 IPv4 IPv6 IPv6
AS133508 CERNEWTECH-BEIJING - CERNET New Technology Co., Ltd, CN China 0 0 IPv4 IPv4
AS17428 CHINA-ABITCOOL - 21Vianet.Co.,Ltd, CN China 11,520 4,294,967,296 IPv6 IPv6
AS24423 FJGDWL - No. 207 Hualin Road, Fuzhou, Fujian, China, CN China 36,608 5,368,709,120 IPv6 IPv6
AS59022 YNKM-TVNET - Kunming Broadcast&TV Network CO.,LTD, CN China 0 4,295,032,832 IPv6 IPv6
AS38353 CNISP-UNION - CNISP-Union Technology (Beijing) Co., Ltd, CN China 40,960 0 IPv4 IPv4
AS55960 BJ-GUANGHUAN-AP - Beijing Guanghuan Xinwang Digital, CN China 448,768 859,832,320 IPv4 IPv4 IPv6 IPv6
AS59078 YUNIFY-NET - Yunify Technologies Inc., CN China 65,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS59073 BOC - Bank of China Limited, CN China 768 196,608 IPv6 IPv6
AS37936 SINA - 15F,Ideal Plaza No.58 Bei Si Huan Xi Road, CN China 1,280 2,293,760 IPv6 IPv6
AS131137 InspurSoftware - Inspur Software Group Co., Ltd., CN China 0 33,554,432 IPv6 IPv6
AS9308 CHINA-ABITCOOL - Abitcool(China) Inc., CN China 599,296 0 IPv4 IPv4
AS63560 NewJiaHua - QingDao NEWJIAHUA NETWORKS Corp. Limited, CN China 256 0 IPv4 IPv4
AS63614 QishangOnline - A4, 5th Floor, Tower C, Triumph Plaza, Unit A, No 143, CN China 19,456 0 IPv4 IPv4
AS131486 JDCOM - Beijing Jingdong 360 Degree E-commerce Co., Ltd., CN China 0 2,147,483,648 IPv6 IPv6
AS17442 CHINANETCENTER-AP - Internet Service Provider in China, CN China 7,936 0 IPv4 IPv4
AS55641 Oneworld-Group - Beijing CNISP Technology Co., Ltd., CN China 0 4,294,967,296 IPv6 IPv6
AS55990 HWCSNET - Huawei Cloud Service data center, CN China 1,275,392 11,945,377,792 IPv6 IPv6
AS59019 BJKSCNET - Beijing Kingsoft Cloud Internet Technology Co., Ltd, CN China 130,560 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS18245 Founderbn - CNNIC, CN China 2,560 65,536 IPv6 IPv6
AS134169 CERNEWTECHRES-AS-CN - CERNEWTECH (Beijing) co.,LTD, CN China 13,824 131,072 IPv6 IPv6
IP Address Domain NUMs Domains
42.201.35.129 1 www.cutech.edu.cn
42.201.36.17 3 chaxun.6box.cn
42.201.36.18 5 6box.cn
42.201.63.162 1 www.cernewtech.com
42.201.63.190 1 daily.cernewtech.com
as-block:       AS132096 - AS133119
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:  2011-08-10T06:21:42Z
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:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC



aut-num:        AS133111
as-name:        CNT-northChina
descr:          CERNET New Technology Co., Ltd
descr:          CERNET Tower, Tsinghua Science Park Building 8
country:        CN
org:            ORG-CNTC5-AP
sponsoring-org: ORG-CNTC2-AP
admin-c:        CNTC1-AP
tech-c:         CNTC1-AP
abuse-c:        AC1576-AP
mnt-routes:     MAINT-CNTCL-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-CNTCL-CN
last-modified:  2023-09-05T03:51:15Z
source:         APNIC

irt:            IRT-CNTCL-CN
address:        CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CNTC1-AP
tech-c:         CNTC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2024-10-10
mnt-by:         MAINT-CNTCL-CN
last-modified:  2024-10-10T01:18:24Z
source:         APNIC

organisation:   ORG-CNTC5-AP
org-name:       CERNET New Technology Co., Ltd
org-type:       OTHER
address:        CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
country:        CN
phone:          +86-010-62603421
e-mail:         [email protected]
admin-c:        CNTC1-AP
tech-c:         CNTC1-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T03:51:14Z
source:         APNIC

role:           ABUSE CNTCLCN
country:        ZZ
address:        CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
phone:          +000000000
e-mail:         [email protected]
admin-c:        CNTC1-AP
tech-c:         CNTC1-AP
nic-hdl:        AC1576-AP
remarks:        Generated from irt object IRT-CNTCL-CN
remarks:        [email protected] was validated on 2024-10-10
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2024-10-10T01:18:46Z
source:         APNIC

role:           CERNET New Technology Co Ltd administrator
address:        CERNET Tower, Tsinghua Science Park Building 8, Beijing Haidian District 100084
country:        CN
phone:          +86-010-62603421
fax-no:         +86-010-62603421
e-mail:         [email protected]
admin-c:        CNTC1-AP
tech-c:         CNTC1-AP
nic-hdl:        CNTC1-AP
mnt-by:         MAINT-CNTCL-CN
last-modified:  2014-02-21T00:01:49Z
source:         APNIC