202.203.0.0/16
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Registry | APNIC |
| ID | CDR-CERNET |
WHOIS Details
inetnum: 202.202.0.0 - 202.203.255.255 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: ASSIGNED NON-PORTABLE remarks: origin AS4538 mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2021-03-24T13:05:10Z 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 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
Nearby Ranges
BGP prefixes that overlap with 202.0.0.0/8
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 202.192.0.0/13 | AS4538 | China Education and Research Network | 524,288 |
| 202.28.0.0/15 | AS9562 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS134064 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS133042 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS137850 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS23687 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.112.0.0/15 | AS4538 | China Education and Research Network | 131,072 |
| 202.28.0.0/15 | AS17479 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS24475 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS140075 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS9551 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS149503 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS9546 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS45847 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS55545 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS134690 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS137241 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS131246 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS4621 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS55488 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS4762 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS139753 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS56277 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS149800 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS131257 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS147312 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS10227 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS9533 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS150107 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS150410 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS141714 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS132514 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS138003 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS135616 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS136624 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS132493 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS131221 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS17827 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS132250 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS38265 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS137394 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS24344 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.186.0.0/15 | AS9930 | TT DOTCOM SDN BHD | 131,072 |
| 202.28.0.0/15 | AS132879 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS38589 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS24328 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS137198 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.184.0.0/15 | AS9930 | TT DOTCOM SDN BHD | 131,072 |
| 202.28.0.0/15 | AS37992 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
| 202.28.0.0/15 | AS133919 | Office of Info.Tech. Admin. for Educational Development | 131,072 |
Hosted domains
There are 7 domain names hosted across 6 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 202.203.144.33 | ynni.edu.cn | 1 |
Hosted domains API
Pingable IPs
323 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 202.203.163.230 |
54.32ms from Chengdu,
CN
|
|
| 202.203.179.192 |
19.09ms from Chengdu,
CN
|
|
| 202.203.159.147 |
18.52ms from Chengdu,
CN
|
|
| 202.203.204.254 |
75.12ms from Beijing,
CN
|
|
| 202.203.195.83 |
17.59ms from Chengdu,
CN
|
|
| 202.203.225.10 |
18.49ms from Chengdu,
CN
|
|
| 202.203.158.85 |
22.60ms from Chengdu,
CN
|
|
| 202.203.150.239 |
36.89ms from Chengdu,
CN
|
|
| 202.203.212.2 |
50.58ms from Chengdu,
CN
|
|
| 202.203.192.34 |
50.83ms from Chengdu,
CN
|
|
| 202.203.164.208 |
54.41ms from Chengdu,
CN
|
|
| 202.203.222.218 |
51.32ms from Chengdu,
CN
|
|
| 202.203.170.2 |
52.37ms from Chengdu,
CN
|
|
| 202.203.144.1 |
18.06ms from Chengdu,
CN
|
|
| 202.203.184.76 |
32.70ms from Chengdu,
CN
|
|
| 202.203.173.23 |
52.43ms from Zhongwei,
CN
|
|
| 202.203.198.1 |
51.41ms from Chengdu,
CN
|
|
| 202.203.187.13 |
19.70ms from Chengdu,
CN
|
|
| 202.203.200.150 |
17.68ms from Chengdu,
CN
|
|
| 202.203.162.131 |
53.24ms from Chengdu,
CN
|
|
| 202.203.199.25 |
50.99ms from Chengdu,
CN
|
|
| 202.203.17.93 |
40.78ms from Guangzhou,
CN
|
|
| 202.203.130.229 |
17.19ms from Chengdu,
CN
|
|
| 202.203.63.23 |
17.27ms from Chengdu,
CN
|
|
| 202.203.66.4 |
18.09ms from Chengdu,
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 |
|---|---|---|
| 186.17.176.112 |
8.21ms from Asuncion,
PY
|
|
| 89.154.182.96 |
8.49ms from Braga,
PT
|
|
| 46.50.10.160 |
13.01ms from Braga,
PT
|
|
| 75.244.193.64 |
19.46ms from Chicago,
US
|
|
| 219.152.155.0 |
2.38ms from Chongqing,
CN
|
|
| 79.197.198.112 |
1.65ms from Hamburg,
DE
|
|
| 79.144.250.208 |
8.56ms from Madrid,
ES
|
|
| 83.38.47.128 |
1.67ms from Madrid,
ES
|
|
| 45.47.181.208 |
11.63ms from New York City,
US
|
|
| 24.38.226.48 |
7.21ms from New York City,
US
|
|
| 72.188.238.208 |
6.79ms from Orlando,
US
|
|
| 90.122.64.240 |
6.44ms from Paris,
FR
|
|
| 211.201.219.80 |
1.81ms from Seoul,
KR
|
|
| 95.202.147.32 |
16.51ms from Stockholm,
SE
|
|
| 74.124.160.48 |
7.76ms from Atlanta,
US
|
|
| 79.231.244.112 |
4.93ms from Berlin,
DE
|
|
| 54.218.136.128 |
0.20ms from Boardman,
US
|
|
| 171.224.68.48 |
2.68ms from Hanoi,
VN
|
|
| 103.97.200.16 |
0.31ms from Hong Kong,
HK
|
|
| 86.179.116.240 |
4.98ms from London,
GB
|
|
| 96.62.138.160 |
0.28ms from Los Angeles,
US
|
|
| 168.221.139.128 |
1.90ms from Miami,
US
|
|
| 195.14.143.224 |
0.98ms from Nicosia,
CY
|
|
| 180.196.146.144 |
4.59ms from Osaka,
JP
|
|
| 133.208.235.80 |
6.19ms from Osaka,
JP
|
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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