219.219.16.0/20
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Registry | APNIC |
| ID | CERNET-CN |
WHOIS Details
inetnum: 219.218.0.0 - 219.219.255.255 netname: CERNET-CN 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 mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-10-20T00:56:50Z source: APNIC irt: IRT-CERNET-AP address: Network Center, address: FIT-3-220, 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: abuse@cernet.edu.cn was validated on 2026-03-05 mnt-by: MAINT-CERNET-AP last-modified: 2026-03-05T06:39:56Z source: APNIC role: ABUSE CERNETAP country: ZZ address: Network Center, address: FIT-3-220, 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 2026-03-05 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2026-03-05T06:40:20Z 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
Hosted domains
There are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
138 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 219.219.20.6 |
14.10ms from Shanghai,
CN
|
|
| 219.219.27.1 |
15.66ms from Shanghai,
CN
|
|
| 219.219.16.1 |
13.98ms from Shanghai,
CN
|
|
| 219.219.21.1 |
15.59ms from Shanghai,
CN
|
|
| 219.219.23.1 |
14.84ms from Shanghai,
CN
|
|
| 219.219.31.113 |
13.28ms from Shanghai,
CN
|
|
| 219.219.26.202 |
13.35ms from Shanghai,
CN
|
|
| 219.219.30.5 |
13.25ms from Shanghai,
CN
|
|
| 219.219.18.65 |
13.46ms from Shanghai,
CN
|
|
| 219.219.22.1 |
15.40ms from Shanghai,
CN
|
|
| 219.219.24.1 |
16.39ms from Shanghai,
CN
|
|
| 219.219.17.242 |
13.63ms from Shanghai,
CN
|
|
| 219.219.28.1 |
15.44ms from Shanghai,
CN
|
|
| 219.219.25.1 |
15.05ms from Shanghai,
CN
|
|
| 219.219.19.1 |
13.32ms from Shanghai,
CN
|
|
| 219.219.29.1 |
13.39ms from Shanghai,
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 |
|---|---|---|
| 44.247.124.164 |
0.48ms from Boardman,
US
|
|
| 20.109.113.132 |
0.26ms from Boydton,
US
|
|
| 186.57.35.116 |
4.56ms from Buenos Aires,
AR
|
|
| 3.138.82.196 |
0.13ms from Columbus,
US
|
|
| 51.182.200.36 |
0.93ms from Dublin,
IE
|
|
| 106.55.107.36 |
1.96ms from Guangzhou,
CN
|
|
| 14.235.253.52 |
6.08ms from Hanoi,
VN
|
|
| 104.88.192.20 |
0.44ms from Helsinki,
FI
|
|
| 91.213.199.36 |
1.29ms from London,
GB
|
|
| 47.156.172.4 |
3.51ms from Los Angeles,
US
|
|
| 37.209.167.36 |
2.07ms from Madrid,
ES
|
|
| 66.41.13.244 |
7.41ms from Minneapolis,
US
|
|
| 27.197.200.180 |
9.52ms from Qingdao,
CN
|
|
| 87.244.71.52 |
0.93ms from Saint Helier,
JE
|
|
| 211.45.59.4 |
2.74ms from Seoul,
KR
|
|
| 121.254.68.116 |
2.86ms from Taipei,
TW
|
|
| 102.184.8.100 |
15.79ms from Cairo,
EG
|
|
| 104.190.212.228 |
8.85ms from Chicago,
US
|
|
| 188.165.26.100 |
0.06ms from Gravelines,
FR
|
|
| 66.91.221.196 |
4.27ms from Honolulu,
US
|
|
| 91.199.33.36 |
0.39ms from Kyiv,
UA
|
|
| 31.96.240.212 |
3.05ms from London,
GB
|
|
| 81.110.169.84 |
8.90ms from London,
GB
|
|
| 62.254.169.4 |
7.46ms from London,
GB
|
|
| 83.35.94.52 |
13.18ms from Madrid,
ES
|
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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