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166.111.4.100 - IP Address Lookup

The IP address location of 166.111.4.100 is Beijing, Beijing (BJ), China (CN).

166.111.4.100 is a public IP address that belongs to ASN 4538 which is under the control of China Education and Research Network Center. The prefix 166/8 (166.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

166.111.4.100 IP Address Location

Here you will find the approximate IP geolocation for 166.111.4.100 as reported by our IP Tracker along with additional information like ASN mapping, ISP, and the type of internet connection. Use the free IP Lookup tool to find the IP geolocation for any public IP address.

IP PTR / DNS Reverse Lookupwww.tsinghua.edu.cn
IP Address ASN4538 (China Education and Research Network Center)
IP ISP / OrganizationChina Education and Research Network Center
IP Connection TypeCable/DSL [internet speed test]
IP Location ContinentAsia
IP Location CountryChina (CN)
IP Location StateBeijing (BJ)
IP Location CityBeijing
IP Location Latitude39.9288 / 39°55′43″ N
IP Location Longitude116.3889 / 116°23′20″ E
IP Location TimezoneAsia/Shanghai
IP Location Local Time

IANA IPv4 Address Space Allocation for Subnet 166.0.0.0/8

The Internet Assigned Numbers Authority (IANA) is responsible for global IP address space allocation to Regional Internet Registries (RIRs). The available IPv4 address space is typically allocated to RIRs as /8 prefix blocks, and the RIRs delegate smaller blocks of their address pools to Local Internet Registries (LIRs) like Internet Service Providers and other organizations in their designated locations.

IPv4 Address Space Prefix166/8
Regional Internet Registry (RIR)Administered by ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
StatusLEGACY
Allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis.

166.111.4.100 Reverse IP Lookup

Reverse IP address lookup is the process of mapping an IP address to its corresponding hostnames. Below you will find a list of hostnames that resolve to IP address 166.111.4.100.

  • www.tsinghua.edu.cn
  • career.d.tsinghua.edu.cn
  • career.tsinghua.edu.cn
  • rwxy.tsinghua.edu.cn
  • hy.tsinghua.edu.cn
  • is.tsinghua.edu.cn
  • www.d.tsinghua.edu.cn
  • cess.tsinghua.edu.cn
  • math.tsinghua.edu.cn
  • rd.tsinghua.edu.cn
  • life.tsinghua.edu.cn
  • yz.tsinghua.edu.cn
  • me.tsinghua.edu.cn
  • www.inet.tsinghua.edu.cn
  • chem.tsinghua.edu.cn
  • www.tsjc.tsinghua.edu.cn
  • join-tsinghua.edu.cn
  • dae.tsinghua.edu.cn
  • thss.tsinghua.edu.cn

Find all Reverse IP Hosts for 166.111.4.100

166.111.4.100 IP Address Representations

An IPv4 address is defined as a 32-bit number, and thus it can be written in any notation that is capable of representing a 32-bit integer value. If human-readability is a requirement, IPv4 addresses are most often expressed in quad-dotted decimal notation with 4 octets ranging from 0 to 255 each.
Note: You should avoid IP addresses with zero-padded decimal octets like 166.111.004.100 or 010.010.010.010 because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

CIDR Notation166.111.4.100/32
Decimal Notation2792293476
Hexadecimal Notation0xa66f0464
Octal Notation024633602144
Binary Notation10100110011011110000010001100100
Dotted-Decimal Notation166.111.4.100
Dotted-Hexadecimal Notation0xa6.0x6f.0x04.0x64
Dotted-Octal Notation0246.0157.04.0144
Dotted-Binary Notation10100110.01101111.00000100.01100100

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