2001:250:1e0d::/48
AS138377 · CERNET2 regional IX at Qinghai Normal University
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| Country |
China
|
| Domain | cernet.edu.cn |
| ASN | AS138377 |
| Registry | APNIC |
| ID | CERNET-CN-20000426 |
WHOIS Details
inet6num: 2001:250::/32 netname: CERNET-CN-20000426 descr: CERNET IPv6 Backbone country: CN admin-c: WJ67-AP tech-c: LX58-AP abuse-c: AC1685-AP status: ALLOCATED PORTABLE notify: [email protected] mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-10-20T00:55:16Z 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 person: Li Xing address: China Education and Research Network address: China Education and Research Network Center address: Tsinghua University address: Beijing, 100084 address: CN country: CN phone: +86-10-6278-5983 fax-no: +86-10-6278-5933 e-mail: [email protected] nic-hdl: LX58-AP notify: [email protected] mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC person: Wu Jianping address: China Education and Research Network address: China Education and Research Network Center address: Tsinghua University address: Beijing, 100084 address: CN country: CN phone: +86-10-6278-5983 fax-no: +86-10-6278-5933 e-mail: [email protected] nic-hdl: WJ67-AP notify: [email protected] mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:50Z source: APNIC
Hosted domains
There are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
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 |
|---|---|---|
| 79.118.94.80 |
2.52ms from Bacau,
RO
|
|
| 223.119.76.48 |
0.56ms from Frankfurt am Main,
DE
|
|
| 27.77.220.32 |
4.00ms from Ho Chi Minh City,
VN
|
|
| 5.65.123.48 |
13.07ms from London,
GB
|
|
| 65.73.173.0 |
10.66ms from Los Angeles,
US
|
|
| 5.224.200.112 |
7.55ms from Madrid,
ES
|
|
| 154.63.29.0 |
5.28ms from Madrid,
ES
|
|
| 180.9.112.80 |
7.09ms from Osaka,
JP
|
|
| 68.121.105.32 |
3.13ms from San Jose,
US
|
|
| 104.25.72.160 |
0.11ms from Wrocław,
PL
|
|
| 105.109.24.208 |
11.40ms from Algiers,
DZ
|
|
| 122.169.162.48 |
8.78ms from Delhi,
IN
|
|
| 20.203.36.112 |
1.30ms from Dubai,
AE
|
|
| 4.207.244.176 |
0.14ms from Dublin,
IE
|
|
| 83.181.142.160 |
3.88ms from Falkenberg,
SE
|
|
| 63.178.29.16 |
0.18ms from Frankfurt am Main,
DE
|
|
| 45.11.202.128 |
13.38ms from Istanbul,
TR
|
|
| 117.195.248.176 |
9.40ms from Kolkata,
IN
|
|
| 151.95.124.176 |
7.34ms from Milan,
IT
|
|
| 88.40.238.80 |
7.18ms from Milan,
IT
|
|
| 121.236.147.192 |
5.34ms from Nanjing,
CN
|
|
| 176.197.26.192 |
6.04ms from Novosibirsk,
RU
|
|
| 72.238.118.128 |
5.91ms from Orlando,
US
|
|
| 112.225.209.160 |
1.15ms from Qingdao,
CN
|
|
| 175.239.84.48 |
6.60ms from Seoul,
KR
|
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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