42.246.0.0/15
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Registry | APNIC |
| ID | NJR-CERNET |
WHOIS Details
inetnum: 42.244.0.0 - 42.247.255.255 netname: NJR-CERNET descr: China Education and Research Network descr: Nanjing Regional Network country: CN admin-c: CER-AP tech-c: CER-AP abuse-c: AC1685-AP status: ALLOCATED PORTABLE remarks: origin AS4538 remarks: confederation remarks: -------------------------------------------------------- remarks: To report network abuse, please contact mnt-irt remarks: For troubleshooting, please contact tech-c and admin-c remarks: Report invalid contact via www.apnic.net/invalidcontact remarks: -------------------------------------------------------- mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-09-03T09:16:28Z 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: [email protected] abuse-mailbox: [email protected] admin-c: CER-AP tech-c: CER-AP auth: # Filtered remarks: timezone GMT+8 remarks: http://www.ccert.edu.cn remarks: [email protected] was validated on 2025-08-15 mnt-by: MAINT-CERNET-AP last-modified: 2025-11-18T00:26:28Z source: APNIC role: ABUSE CERNETAP country: ZZ address: Network Research Center, address: Main Bldg, Tsinghua Univ address: Beijing 100084, China phone: +86-10-62784301 e-mail: [email protected] admin-c: CER-AP tech-c: CER-AP nic-hdl: AC1685-AP remarks: Generated from irt object IRT-CERNET-AP remarks: [email protected] was validated on 2025-08-15 abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2025-08-15T09:38:28Z 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: [email protected] remarks: [email protected] 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 route: 42.244.0.0/16 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2017-03-14T04:00:07Z source: APNIC
Overlapping Ranges
BGP prefixes that are contained by 42.246.0.0/15
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 42.247.1.0/24 | AS4538 | Chengdu, Sichuan 610054, China | 256 |
| 42.247.18.0/24 | AS4538 | Shanghai 200030, China | 256 |
| 42.247.30.0/24 | AS4538 | Shenyang, Liaoning 110004, China | 256 |
Nearby Ranges
BGP prefixes that overlap with 42.0.0.0/8
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 42.32.0.0/12 | AS9644 | SK Telecom | 1,048,576 |
| 42.16.0.0/12 | AS9644 | SK Telecom | 1,048,576 |
| 42.224.0.0/12 | AS4837 | China Unicom Henan province network | 1,048,576 |
| 42.144.0.0/13 | AS9824 | JCOM Co., Ltd. | 524,288 |
| 42.176.0.0/13 | AS4837 | UNICOM Liaoning Province Network | 524,288 |
| 42.112.0.0/13 | AS18403 | FPT Telecom Company | 524,288 |
| 42.84.0.0/14 | AS4837 | UNICOM Liaoning Province Network | 262,144 |
| 42.188.0.0/14 | AS4788 | TM TECHNOLOGY SERVICES SDN. BHD. | 262,144 |
| 42.52.0.0/14 | AS4837 | UNICOM Liaoning Province Network | 262,144 |
| 42.84.0.0/14 | AS9929 | UNICOM Liaoning Province Network | 262,144 |
| 42.56.0.0/14 | AS4837 | UNICOM Liaoning Province Network | 262,144 |
| 42.4.0.0/14 | AS4837 | UNICOM Liaoning Province Network | 262,144 |
| 42.242.0.0/15 | AS4134 | CHINANET YunNan PROVINCE NETWORK | 131,072 |
| 42.48.0.0/15 | AS4837 | China Unicom HuNan province network | 131,072 |
| 42.192.0.0/15 | AS45090 | Tencent cloud computing (Beijing) Co., Ltd. | 131,072 |
| 42.202.0.0/15 | AS4134 | CHINANET Liaoning province network | 131,072 |
| 42.2.0.0/15 | AS4760 | PCCW Limited | 131,072 |
| 42.80.0.0/15 | AS58542 | CHINANET TIANJIN PROVINCE NETWORK | 131,072 |
| 42.80.0.0/15 | AS17638 | CHINANET TIANJIN PROVINCE NETWORK | 131,072 |
| 42.242.0.0/15 | AS134766 | CHINANET YunNan PROVINCE NETWORK | 131,072 |
| 42.202.0.0/15 | AS137688 | CHINANET Liaoning province network | 131,072 |
| 42.202.0.0/15 | AS134762 | CHINANET Liaoning province network | 131,072 |
| 42.122.0.0/16 | AS17638 | CHINANET TIANJIN PROVINCE NETWORK | 65,536 |
| 42.63.0.0/16 | AS4837 | China Unicom Ningxia Province Network | 65,536 |
| 42.158.0.0/16 | AS23724 | 21ViaNet(China),Inc. | 65,536 |
| 42.3.0.0/16 | AS4760 | Hong Kong Telecommunications (HKT) Limited Mass Internet | 65,536 |
| 42.97.0.0/16 | AS4134 | CHINANET Jilin province network | 65,536 |
| 42.82.0.0/16 | AS38091 | LG HelloVision Corp. | 65,536 |
| 42.2.0.0/16 | AS4760 | Hong Kong Telecommunications (HKT) Limited Mass Internet | 65,536 |
| 42.98.0.0/16 | AS4760 | PCCW Limited | 65,536 |
| 42.159.0.0/16 | AS58593 | Shanghai Blue Cloud Technology Co.,Ltd | 65,536 |
| 42.3.0.0/16 | AS4515 | Hong Kong Telecommunications (HKT) Limited Mass Internet | 65,536 |
| 42.200.0.0/16 | AS4515 | PCCW IMS Ltd (PCCW Business Internet Access) | 65,536 |
| 42.51.0.0/17 | AS56005 | Henan Telcom Union Technology Co., LTD | 32,768 |
| 42.51.128.0/17 | AS56005 | Henan Telcom Union Technology Co., LTD | 32,768 |
| 42.187.128.0/17 | AS45090 | Tencent cloud computing (Beijing) Co., Ltd. | 32,768 |
| 42.96.128.0/17 | AS37963 | Aliyun Computing Co., LTD | 32,768 |
| 42.99.128.0/17 | AS4637 | Telstra Global Internet Services Network Blocks | 32,768 |
| 42.156.128.0/17 | AS37963 | Aliyun Computing Co., LTD | 32,768 |
| 42.120.128.0/17 | AS37963 | Zhejiang Taobao Network Co.,Ltd | 32,768 |
| 42.194.128.0/17 | AS45090 | Tencent cloud computing (Beijing) Co., Ltd. | 32,768 |
| 42.0.128.0/17 | AS138449 | LocalArea Communication of LangFang LTD. CO. | 32,768 |
| 42.0.128.0/17 | AS17789 | LocalArea Communication of LangFang LTD. CO. | 32,768 |
| 42.99.0.0/18 | AS139767 | CHINANET Guangdong province network | 16,384 |
| 42.125.128.0/18 | AS10010 | TOKAI Communications Corporation | 16,384 |
| 42.83.0.0/18 | AS18135 | BTV CO., LTD. | 16,384 |
| 42.62.64.0/18 | AS23724 | Forest Eternal Communication Tech. co.ltd | 16,384 |
| 42.99.0.0/18 | AS4134 | CHINANET Guangdong province network | 16,384 |
| 42.0.64.0/18 | AS4780 | New Century InfoComm Tech. Co., Ltd. | 16,384 |
| 42.188.0.0/18 | AS4788 | UNIFI-HOME-imse01.mc_rsh | 16,384 |
Hosted domains
There are 299 domain names hosted across 264 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 42.247.27.241 | xn--6kr28kk1ba302gupfjm4btdbb04bbw1c.net | 3 |
| 42.247.13.105 | hfsu.edu.cn | 3 |
| 42.247.79.98 | xn--8mrq2kk1bz5lj04azta.top | 3 |
| 42.247.13.200 | tbvtc.edu.cn | 3 |
| 42.247.36.48 | gxljcollege.cn | 3 |
| 42.247.50.238 | gdep.edu.cn | 3 |
| 42.247.61.226 | jycjw.net | 2 |
| 42.247.107.118 | caskm.edu.cn | 2 |
| 42.247.87.70 | hbssyys.cn | 2 |
| 42.247.81.66 | whmzxy.edu.cn | 2 |
| 42.247.63.209 | hbfsh.com | 2 |
| 42.247.50.18 | kdvtc.edu.cn | 2 |
| 42.247.65.71 | hwhkys.com | 2 |
| 42.247.32.82 | czjtu.edu.cn | 2 |
| 42.247.30.175 | aliyun.space | 2 |
| 42.247.72.66 | ynmec.com | 2 |
| 42.247.37.188 | xjit.edu.cn | 2 |
| 42.246.112.17 | jbbwpu.com | 2 |
| 42.247.3.48 | qdc.cn | 2 |
| 42.247.68.90 | ykvtc.edu.cn | 2 |
Hosted domains API
Pingable IPs
4,348 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 42.247.98.131 |
4.82ms from Shanghai,
CN
|
|
| 42.247.95.221 |
1.21ms from Wuhan,
CN
|
|
| 42.247.2.65 |
3.65ms from Beijing,
CN
|
|
| 42.247.26.60 |
2.23ms from Guangzhou,
CN
|
|
| 42.247.7.190 |
1.90ms from Guangzhou,
CN
|
|
| 42.247.36.250 |
2.71ms from Guangzhou,
CN
|
|
| 42.247.50.232 |
2.15ms from Guangzhou,
CN
|
|
| 42.247.94.1 |
5.50ms from Hangzhou,
CN
|
|
| 42.247.58.226 |
4.00ms from Zhengzhou,
CN
|
|
| 42.247.79.140 |
2.93ms from Qingdao,
CN
|
|
| 42.247.32.67 |
8.28ms from Qingdao,
CN
|
|
| 42.247.10.109 |
4.62ms from Shanghai,
CN
|
|
| 42.247.9.89 |
1.70ms from Wuhan,
CN
|
|
| 42.247.96.113 |
1.39ms from Wuhan,
CN
|
|
| 42.247.6.27 |
4.64ms from Beijing,
CN
|
|
| 42.247.31.60 |
3.07ms from Beijing,
CN
|
|
| 42.247.91.109 |
1.84ms from Guangzhou,
CN
|
|
| 42.247.4.136 |
3.47ms from Beijing,
CN
|
|
| 42.247.48.86 |
5.27ms from Guangzhou,
CN
|
|
| 42.247.88.220 |
2.87ms from Shenzhen,
CN
|
|
| 42.247.17.80 |
2.69ms from Shenzhen,
CN
|
|
| 42.247.106.193 |
7.64ms from Wuhan,
CN
|
|
| 42.247.12.112 |
5.63ms from Beijing,
CN
|
|
| 42.247.53.50 |
2.80ms from Beijing,
CN
|
|
| 42.247.68.227 |
3.64ms from Guangzhou,
CN
|
Other Pingable IPs
Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
| IP Address | ASN | Details |
|---|---|---|
| 98.25.75.175 |
14.99ms from Charlotte,
US
|
|
| 90.186.100.207 |
6.55ms from Duesseldorf,
DE
|
|
| 20.247.90.191 |
0.32ms from Hong Kong,
HK
|
|
| 110.226.156.111 |
1.83ms from Hyderabad,
IN
|
|
| 69.3.236.15 |
0.31ms from Los Angeles,
US
|
|
| 181.135.122.255 |
5.80ms from Medellin,
CO
|
|
| 110.145.33.15 |
2.06ms from Melbourne,
AU
|
|
| 213.18.110.127 |
1.43ms from Osaka,
JP
|
|
| 181.178.91.143 |
1.57ms from Panama,
PA
|
|
| 3.220.99.31 |
0.22ms from Reston,
US
|
|
| 151.75.117.175 |
6.94ms from Rome,
IT
|
|
| 1.94.184.239 |
2.75ms from Suzhou,
CN
|
|
| 20.213.83.207 |
0.70ms from Sydney,
AU
|
|
| 95.170.71.127 |
0.57ms from Amsterdam,
NL
|
|
| 47.226.18.47 |
19.30ms from Atlanta,
US
|
|
| 98.228.177.255 |
6.46ms from Chicago,
US
|
|
| 220.200.78.255 |
2.43ms from Chongqing,
CN
|
|
| 73.2.223.15 |
15.19ms from Dallas,
US
|
|
| 34.247.164.223 |
0.44ms from Dublin,
IE
|
|
| 38.162.54.79 |
2.35ms from Indianapolis,
US
|
|
| 79.79.146.159 |
3.33ms from London,
GB
|
|
| 73.84.90.111 |
3.21ms from Miami,
US
|
|
| 68.126.26.63 |
6.00ms from San Jose,
US
|
|
| 220.215.28.15 |
10.28ms from Tokyo,
JP
|
|
| 126.251.24.47 |
5.55ms from Tokyo,
JP
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Accra, GH
What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
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