42.247.19.0/24
AS4538 · China Education and Research Network Center
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS4538 |
| Registry | APNIC |
| ID | NJR-CERNET |
WHOIS Details
inetnum: 42.244.0.0 - 42.247.255.255 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: 2020-09-03T09:16:28Z 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 route: 42.244.0.0/16 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2017-03-14T04:00:07Z source: APNIC
Nearby Ranges
BGP prefixes that overlap with 42.247.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 42.247.1.0/24 | AS4538 | Chengdu, Sichuan 610054, China | 256 |
| 42.247.18.0/24 | AS4538 | Shanghai 200030, China | 256 |
| 42.247.30.0/24 | AS4538 | Shenyang, Liaoning 110004, China | 256 |
Hosted domains
There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 42.247.19.100 | jatc.edu.cn | 1 |
| 42.247.19.203 | sdipct.edu.cn | 1 |
Hosted domains API
Pingable IPs
93 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 42.247.19.55 |
7.68ms 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 |
|---|---|---|
| 84.84.55.104 |
2.93ms from Amsterdam,
NL
|
|
| 100.31.47.104 |
1.08ms from Ashburn,
US
|
|
| 20.81.49.72 |
0.41ms from Ashburn,
US
|
|
| 43.209.109.136 |
1.61ms from Bangkok,
TH
|
|
| 24.13.78.232 |
10.52ms from Chicago,
US
|
|
| 52.182.166.72 |
0.22ms from Des Moines,
US
|
|
| 88.247.89.168 |
2.05ms from Istanbul,
TR
|
|
| 172.187.113.40 |
0.24ms from London,
GB
|
|
| 24.177.165.56 |
9.51ms from Minneapolis,
US
|
|
| 195.209.4.184 |
0.44ms from Moscow,
RU
|
|
| 103.1.103.200 |
12.84ms from Mumbai,
IN
|
|
| 173.49.217.168 |
2.35ms from Philadelphia,
US
|
|
| 69.62.133.168 |
4.30ms from Santa Clara,
US
|
|
| 174.166.81.56 |
8.01ms from Secaucus,
US
|
|
| 136.110.19.152 |
0.15ms from Singapore,
SG
|
|
| 101.5.190.216 |
6.19ms from Tianjin,
CN
|
|
| 89.251.248.104 |
3.83ms from Zuerich,
CH
|
|
| 50.83.215.24 |
13.98ms from Atlanta,
US
|
|
| 114.254.142.232 |
3.35ms from Beijing,
CN
|
|
| 105.158.11.168 |
8.29ms from Casablanca,
MA
|
|
| 98.57.244.168 |
9.47ms from Dallas,
US
|
|
| 168.232.151.56 |
4.72ms from Fortaleza,
BR
|
|
| 24.152.119.232 |
14.78ms from Fortaleza,
BR
|
|
| 1.95.86.200 |
0.95ms from Guiyang,
CN
|
|
| 108.203.8.168 |
1.62ms 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 Hangzhou, 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.
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