121.250.96.0/19
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Parent Range | 121.248.0.0/14 |
| Registry | APNIC |
| ID | NJR-CERNET |
WHOIS Details
inetnum: 121.248.0.0 - 121.251.255.255 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: 2020-09-03T09:15:58Z 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: 121.250.0.0/15 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2009-01-05T03:10:57Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 121.250.96.0/19
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.248.0.0/14 | AS4538 | China Education and Research Network | 262,144 |
Nearby Ranges
BGP prefixes that overlap with 121.250.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.248.0.0/14 | AS4538 | China Education and Research Network | 262,144 |
Hosted domains
There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|
Hosted domains API
Pingable IPs
2 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 121.250.108.99 |
5.87ms from Qingdao,
CN
|
|
| 121.250.122.208 |
5.78ms from Qingdao,
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 |
|---|---|---|
| 82.157.237.195 |
1.97ms from Beijing,
CN
|
|
| 101.73.151.131 |
9.58ms from Beijing,
CN
|
|
| 52.26.205.83 |
0.14ms from Boardman,
US
|
|
| 72.179.239.51 |
15.94ms from Dallas,
US
|
|
| 137.138.153.3 |
1.16ms from Geneve,
CH
|
|
| 213.113.192.3 |
0.72ms from Goeteborg,
SE
|
|
| 177.241.79.99 |
1.48ms from Guadalajara,
MX
|
|
| 69.5.24.3 |
1.01ms from Jakarta,
ID
|
|
| 86.142.254.19 |
5.00ms from London,
GB
|
|
| 62.91.2.51 |
1.11ms from Nuernberg,
DE
|
|
| 210.233.64.99 |
1.82ms from Osaka,
JP
|
|
| 79.49.118.195 |
6.61ms from Rende,
IT
|
|
| 17.43.199.67 |
0.16ms from Seattle,
US
|
|
| 211.119.235.211 |
1.84ms from Seoul,
KR
|
|
| 168.1.54.83 |
0.54ms from Sydney,
AU
|
|
| 82.27.236.131 |
0.18ms from Warsaw,
PL
|
|
| 213.124.188.131 |
1.19ms from Amsterdam,
NL
|
|
| 60.243.248.35 |
1.30ms from Bengaluru,
IN
|
|
| 73.68.33.67 |
5.16ms from Boston,
US
|
|
| 93.190.151.147 |
0.70ms from Bucharest,
RO
|
|
| 138.124.76.3 |
0.10ms from Bucharest,
RO
|
|
| 91.154.205.51 |
1.05ms from Helsinki,
FI
|
|
| 195.224.17.195 |
1.21ms from London,
GB
|
|
| 4.234.107.51 |
0.23ms from London,
GB
|
|
| 67.21.125.3 |
3.54ms from Los Angeles,
US
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Luxembourg, LU
What are IP address ranges?
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