121.49.200.0/21
AS4538 · China Education and Research Network Center
Need more data or want to access it via API or data downloads? Sign up to get free access
Sign up for free ›Summary
Country |
China
|
Domain | cernet.edu.cn |
ASN | AS4538 |
Parent Range | 121.48.0.0/15 |
Registry | APNIC |
ID | CDR-CERNET |
WHOIS Details
inetnum: 121.48.0.0 - 121.49.255.255 netname: CDR-CERNET descr: China Education and Research Network descr: Chengdu 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: 2020-09-03T09:16:00Z 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: 121.49.0.0/16 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2009-01-05T03:10:57Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 121.49.200.0/21
Range | ASN | Company | Num of IPs |
---|---|---|---|
121.48.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
Nearby Ranges
BGP prefixes that overlap with 121.49.0.0/16
Range | ASN | Company | Num of IPs |
---|---|---|---|
121.48.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
121.49.64.0/18 | AS4538 | China Education and Research Network | 16,384 |
121.49.160.0/19 | AS4538 | China Education and Research Network | 8,192 |
121.49.16.0/20 | AS4538 | China Education and Research Network | 4,096 |
121.49.32.0/21 | AS4538 | China Education and Research Network | 2,048 |
121.49.0.0/22 | AS4538 | China Education and Research Network | 1,024 |
121.49.5.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.198.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.152.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.197.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.0.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.4.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.199.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.128.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.195.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.193.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.153.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.192.0/24 | AS4538 | China Education and Research Network | 256 |
121.49.196.0/24 | AS4538 | China Education and Research Network | 256 |
Hosted domains
There are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
10 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
IP Address | ASN | Details |
---|---|---|
121.49.200.2 | 28.36ms from Guangzhou, CN | |
121.49.201.209 | 28.59ms from Guiyang, 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 |
---|---|---|
87.159.185.245 | 1.80ms from Berlin, DE | |
14.141.132.229 | 0.40ms from Kolkata, IN | |
185.193.8.165 | 1.77ms from Madrid, ES | |
189.172.193.197 | 16.55ms from Miami, US | |
58.121.106.101 | 2.77ms from Seoul, KR | |
13.230.111.117 | 0.15ms from Tokyo, JP | |
64.119.97.181 | 1.67ms from Toronto, CA | |
24.73.149.165 | 6.08ms from Orlando, US | |
1.212.135.213 | 1.42ms from Seoul, KR | |
183.50.32.101 | 8.35ms from Shenzhen, CN | |
27.93.140.101 | 0.89ms from Tokyo, JP | |
168.245.105.133 | 0.38ms from Ashburn, US | |
157.238.137.69 | 2.72ms from Buffalo, US | |
52.18.159.37 | 0.16ms from Dublin, IE | |
176.51.247.37 | 1.11ms from Novosibirsk, RU | |
189.168.241.53 | 11.15ms from Santiago de Queretaro, MX | |
106.54.163.53 | 0.63ms from Shanghai, CN | |
58.5.75.213 | 0.82ms from Tokyo, JP | |
175.147.191.133 | 10.38ms from Liaoyang, CN | |
151.58.136.101 | 12.72ms from Milan, IT | |
200.38.242.101 | 1.62ms from Monterrey, MX | |
91.164.43.53 | 8.73ms from Paris, FR | |
89.2.165.85 | 8.59ms from Paris, FR | |
177.83.34.197 | 13.30ms from Porto Alegre, BR | |
27.219.150.5 | 1.21ms from Qingdao, CN |
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.
An API built with users in mind: reliable, accurate, and easy-to-use
Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.
Our IP tools
Explore all toolsSummarize IPs
Use our data visualization tool to create a visual overview of multiple IPs.
Try Summarize IPs