121.194.4.0/24
AS4538 · China Education and Research Network Center
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Country |
China
|
Domain | cernet.edu.cn |
ASN | AS4538 |
Parent Range | 121.194.0.0/20 |
Registry | APNIC |
ID | BJR-CERNET |
WHOIS Details
inetnum: 121.194.0.0 - 121.195.255.255 netname: BJR-CERNET descr: China Education and Research Network descr: Beijing Regional Network country: CN admin-c: CER-AP tech-c: CER-AP abuse-c: AC1685-AP status: ALLOCATED PORTABLE remarks: origin AS4538 remarks: confederation mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-09-03T09:16:22Z 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 2025-01-22 mnt-by: MAINT-CERNET-AP last-modified: 2025-01-22T13:47:43Z 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: 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 2025-01-22 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2025-01-22T16:25:45Z 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 route: 121.195.0.0/16 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2009-01-05T03:10:57Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 121.194.4.0/24
Range | ASN | Company | Num of IPs |
---|---|---|---|
121.194.0.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
121.192.0.0/14 | AS4538 | China Education and Research Network | 262,144 |
Nearby Ranges
BGP prefixes that overlap with 121.194.0.0/16
Range | ASN | Company | Num of IPs |
---|---|---|---|
121.192.0.0/14 | AS4538 | China Education and Research Network | 262,144 |
121.194.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
121.194.224.0/19 | AS4538 | China Education and Research Network | 8,192 |
121.194.192.0/19 | AS4538 | China Education and Research Network | 8,192 |
121.194.0.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.16.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.64.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.96.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.32.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.112.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.176.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.144.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.48.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.194.80.0/21 | AS4538 | China Education and Research Network | 2,048 |
121.194.92.0/22 | AS4538 | China Education and Research Network | 1,024 |
121.194.88.0/22 | AS4538 | China Education and Research Network | 1,024 |
121.194.172.0/22 | AS4538 | China Education and Research Network | 1,024 |
121.194.174.0/23 | AS4538 | China Education and Research Network | 512 |
121.194.172.0/23 | AS4538 | China Education and Research Network | 512 |
121.194.167.0/24 | AS4538 | China Education and Research Network | 256 |
Hosted domains
There are 55 domain names hosted across 38 IP addresses on this ASN. Checkout our API to access full domain hosting information.
IP Address | Domain | Domains on this IP |
---|---|---|
121.194.4.95 | xn--j7qw85d1ok64r.org | 3 |
121.194.4.83 | gjxkzzs.com | 2 |
121.194.4.40 | bigtextilepub.com | 1 |
121.194.4.73 | cmhj.cn | 1 |
121.194.4.41 | jxsyhg.com | 1 |
121.194.4.201 | syzlzz.com | 1 |
121.194.4.196 | hbyjqk.com | 1 |
121.194.4.193 | sfe.org.cn | 1 |
121.194.4.163 | zghjgx.com | 1 |
121.194.4.43 | lilunjie.net | 1 |
121.194.4.173 | cpa-online.org.cn | 1 |
121.194.4.110 | zhnydk.com | 1 |
121.194.4.142 | cusjs.com | 1 |
Hosted domains API
Pingable IPs
41 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
IP Address | ASN | Details |
---|---|---|
121.194.4.55 | 3.13ms from Beijing, 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 |
---|---|---|
212.234.50.152 | 6.07ms from Frankfurt am Main, DE | |
81.40.164.248 | 8.56ms from Madrid, ES | |
1.106.172.104 | 3.24ms from Seoul, KR | |
126.73.136.8 | 4.93ms from Tokyo, JP | |
23.7.13.120 | 0.70ms from Bogota, CO | |
103.89.243.8 | 18.17ms from Jakarta, ID | |
175.123.173.152 | 1.33ms from Seoul, KR | |
192.238.176.72 | 0.56ms from Hong Kong, HK | |
3.109.12.24 | 0.15ms from Mumbai, IN | |
93.207.199.184 | 6.55ms from Frankfurt am Main, DE | |
171.224.16.72 | 1.35ms from Hanoi, VN | |
128.116.204.120 | 4.30ms from Milan, IT | |
146.12.32.8 | 10.49ms from Newark, US | |
98.173.129.248 | 0.75ms from Phoenix, US | |
3.114.21.40 | 0.16ms from Tokyo, JP | |
20.67.11.120 | 0.24ms from Amsterdam, NL | |
177.222.241.248 | 7.73ms from Belo Horizonte, BR | |
154.180.196.248 | 6.60ms from Cairo, EG | |
82.22.252.152 | 0.57ms from Frankfurt am Main, DE | |
89.143.173.8 | 0.75ms from Ljubljana, SI | |
159.27.239.168 | 7.09ms from Beijing, CN | |
149.75.186.168 | 5.90ms from Chicago, US | |
62.204.122.200 | 4.42ms from Zuerich, CH | |
112.213.42.56 | 16.54ms from Auckland, NZ | |
125.237.211.120 | 2.25ms from Auckland, NZ |
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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