121.194.0.0/20
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Parent Range | 121.194.0.0/15 |
| 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 2025-08-15 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: 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 2025-08-15 abuse-mailbox: abuse@cernet.edu.cn 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: 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: 121.194.0.0/16 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2009-01-05T03:10:57Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 121.194.0.0/20
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.194.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
Nearby Ranges
BGP prefixes that overlap with 121.194.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.194.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
Hosted domains
There are 99 domain names hosted across 64 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 121.194.4.35 | hcxwgy.com | 11 |
| 121.194.10.141 | xt5.site | 5 |
| 121.194.10.140 | liulanqidaquan.cn | 4 |
| 121.194.10.230 | cvfywtj.cn | 3 |
| 121.194.14.142 | xiaolin.tech | 2 |
| 121.194.9.97 | 2vhvec.com | 2 |
| 121.194.3.213 | wrv.cn | 1 |
| 121.194.4.41 | jxsyhg.com | 1 |
| 121.194.10.147 | lianjie114.cn | 1 |
| 121.194.4.173 | cpa-online.org.cn | 1 |
| 121.194.14.85 | zszwx.cn | 1 |
| 121.194.9.71 | ykt.io | 1 |
| 121.194.3.137 | voice.edu.cn | 1 |
| 121.194.4.39 | zgylmr.org.cn | 1 |
| 121.194.4.183 | cjbjs.com | 1 |
| 121.194.4.147 | bjsbnet.com | 1 |
| 121.194.8.124 | neea.edu.cn | 1 |
| 121.194.4.144 | libedit.cn | 1 |
| 121.194.4.40 | bigtextilepub.com | 1 |
| 121.194.4.109 | cpmajournal.org.cn | 1 |
Hosted domains API
Pingable IPs
638 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 121.194.2.154 |
2.90ms from Beijing,
CN
|
|
| 121.194.15.154 |
2.69ms from Beijing,
CN
|
|
| 121.194.5.34 |
2.54ms from Beijing,
CN
|
|
| 121.194.9.229 |
2.53ms from Beijing,
CN
|
|
| 121.194.4.254 |
2.50ms from Beijing,
CN
|
|
| 121.194.7.24 |
2.61ms from Beijing,
CN
|
|
| 121.194.10.79 |
2.55ms from Beijing,
CN
|
|
| 121.194.13.99 |
3.08ms from Beijing,
CN
|
|
| 121.194.1.6 |
2.52ms from Beijing,
CN
|
|
| 121.194.11.28 |
2.53ms from Beijing,
CN
|
|
| 121.194.8.5 |
2.52ms from Beijing,
CN
|
|
| 121.194.0.27 |
3.12ms from Beijing,
CN
|
|
| 121.194.14.105 |
3.94ms from Shanghai,
CN
|
|
| 121.194.3.205 |
3.17ms 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 |
|---|---|---|
| 101.200.82.132 |
1.52ms from Beijing,
CN
|
|
| 71.68.71.180 |
6.59ms from Charlotte,
US
|
|
| 65.8.93.4 |
0.22ms from Chennai,
IN
|
|
| 223.159.30.68 |
2.73ms from Chenzhou,
CN
|
|
| 171.76.48.180 |
6.95ms from Delhi,
IN
|
|
| 194.187.164.20 |
0.51ms from Frankfurt am Main,
DE
|
|
| 49.71.41.4 |
7.10ms from Huai'an,
CN
|
|
| 167.142.101.100 |
4.28ms from Kansas City,
US
|
|
| 94.61.121.164 |
8.42ms from Lisbon,
PT
|
|
| 216.115.85.84 |
5.10ms from Los Angeles,
US
|
|
| 124.105.43.68 |
1.67ms from Manila,
PH
|
|
| 98.3.13.36 |
12.91ms from New York City,
US
|
|
| 73.193.241.228 |
8.32ms from New York City,
US
|
|
| 66.194.105.20 |
4.03ms from Orlando,
US
|
|
| 119.245.47.84 |
6.31ms from Osaka,
JP
|
|
| 13.83.54.20 |
0.56ms from San Jose,
US
|
|
| 201.139.106.84 |
5.67ms from Santiago de Queretaro,
MX
|
|
| 179.111.121.4 |
2.23ms from Sao Paulo,
BR
|
|
| 175.244.170.36 |
5.66ms from Seoul,
KR
|
|
| 43.217.99.196 |
0.40ms from Sepang,
MY
|
|
| 119.3.46.52 |
2.57ms from Shanghai,
CN
|
|
| 18.182.37.228 |
1.12ms from Tokyo,
JP
|
|
| 135.149.31.180 |
0.15ms from Tokyo,
JP
|
|
| 78.58.168.196 |
1.16ms from Vilnius,
LT
|
|
| 213.189.54.4 |
0.38ms from Warsaw,
PL
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
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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