211.70.0.0/20
AS4538 · China Education and Research Network Center
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Country |
China
|
Domain | cernet.edu.cn |
ASN | AS4538 |
Parent Range | 211.64.0.0/13 |
Registry | APNIC |
ID | CERNET |
WHOIS Details
inetnum: 211.70.0.0 - 211.71.255.255 netname: CERNET descr: China Education and Research Network descr: Room 224, Tsinghua University descr: Beijing, China country: CN admin-c: JW1-CN tech-c: XL1-CN tech-c: LZ1-CN abuse-c: AC1685-AP status: ALLOCATED PORTABLE remarks: APNIC Very Large member, confederation mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-10-20T00:56:10Z 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 2025-01-22 mnt-by: MAINT-CERNET-AP last-modified: 2025-01-22T13:47:43Z 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 2025-01-22 abuse-mailbox: abuse@cernet.edu.cn mnt-by: APNIC-ABUSE last-modified: 2025-01-22T16:25:45Z source: APNIC person: Jianping Wu address: China Education and Research Network Center address: Room 225, Main Building, Tsinghua University address: Beijing 100084 address: CN country: CN phone: +86-10-6278-5983 fax-no: +86-10-6278-5933 e-mail: jianping@cernet.edu.cn nic-hdl: JW1-CN mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:25Z source: APNIC person: Ling Zhang address: Network Center address: South China University of Technology address: Guangzhou, Guangdong 510641, China address: CN country: CN phone: +86-20-87110596 fax-no: +86-20-87110019 e-mail: ling@scut.edu.cn nic-hdl: LZ1-CN notify: dbmon@apnic.net mnt-by: MAINT-NULL last-modified: 2011-12-22T05:14:25Z source: APNIC person: Xing Li address: China Education and Research Network Center address: Room 225, Main Building, Tsinghua University address: Beijing 100084 address: CN country: CN phone: +86-10-6278-5983 fax-no: +86-10-6278-5933 e-mail: xing@cernet.edu.cn nic-hdl: XL1-CN mnt-by: MAINT-CERNET-AP last-modified: 2011-12-22T05:14:25Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 211.70.0.0/20
Range | ASN | Company | Num of IPs |
---|---|---|---|
211.64.0.0/13 | AS4538 | China Education and Research Network | 524,288 |
Nearby Ranges
BGP prefixes that overlap with 211.70.0.0/16
Range | ASN | Company | Num of IPs |
---|---|---|---|
211.64.0.0/13 | AS4538 | China Education and Research Network | 524,288 |
211.70.128.0/18 | AS4538 | China Education and Research Network | 16,384 |
211.70.224.0/20 | AS4538 | China Education and Research Network | 4,096 |
211.70.208.0/20 | AS4538 | China Education and Research Network | 4,096 |
211.70.96.0/20 | AS4538 | China Education and Research Network | 4,096 |
211.70.72.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.24.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.192.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.248.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.56.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.120.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.48.0/21 | AS4538 | China Education and Research Network | 2,048 |
211.70.36.0/22 | AS4538 | China Education and Research Network | 1,024 |
211.70.112.0/22 | AS4538 | China Education and Research Network | 1,024 |
211.70.116.0/22 | AS4538 | China Education and Research Network | 1,024 |
211.70.32.0/22 | AS4538 | China Education and Research Network | 1,024 |
211.70.63.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.170.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.123.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.179.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.234.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.149.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.62.0/24 | AS4538 | China Education and Research Network | 256 |
211.70.130.0/24 | AS4538 | China Education and Research Network | 256 |
Hosted domains
There are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
1 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
IP Address | ASN | Details |
---|---|---|
211.70.1.32 | 12.54ms 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 |
---|---|---|
20.67.136.68 | 0.24ms from Dublin, IE | |
74.234.80.228 | 0.23ms from Dublin, IE | |
80.132.203.116 | 3.31ms from Duesseldorf, DE | |
92.215.62.132 | 8.56ms from Frankfurt am Main, DE | |
70.117.145.164 | 19.68ms from Houston, US | |
203.197.96.100 | 1.16ms from Kolkata, IN | |
147.148.78.68 | 1.86ms from London, GB | |
20.108.226.52 | 0.22ms from London, GB | |
90.18.4.4 | 19.15ms from Marseille, FR | |
88.168.176.4 | 4.91ms from Paris, FR | |
176.174.104.212 | 7.52ms from Paris, FR | |
52.2.14.228 | 0.19ms from Reston, US | |
189.129.86.132 | 12.95ms from Santiago de Queretaro, MX | |
125.154.21.196 | 2.04ms from Seoul, KR | |
146.247.192.36 | 0.35ms from Stockholm, SE | |
123.116.196.196 | 3.94ms from Beijing, CN | |
184.94.203.20 | 7.77ms from Dallas, US | |
193.108.193.132 | 8.62ms from Frankfurt am Main, DE | |
91.11.10.4 | 10.50ms from Frankfurt am Main, DE | |
103.11.101.116 | 1.68ms from Hong Kong, HK | |
87.236.218.20 | 0.97ms from Madrid, ES | |
35.71.251.244 | 0.04ms from Muscat, OM | |
176.182.244.84 | 1.87ms from Paris, FR | |
85.71.14.116 | 9.98ms from Prague, CZ | |
45.7.65.4 | 2.68ms from Santiago de Queretaro, MX |
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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