157.55.235.172 - IP Address Lookup

The IP address location of 157.55.235.172 is Dublin D02, Leinster (L), Ireland (IE).

157.55.235.172 is a public IP address that belongs to ASN 8075 which is under the control of Microsoft Corporation. The address resides in the IP address range 157.54.0.0 - 157.60.255.255 (CIDR notation: 157.54.0.0/15, 157.56.0.0/14, 157.60.0.0/16), and the whole subnet spans a total number of 458,752 individual IP addresses. The prefix 157/8 (157.0.0.0/8) was delegated for administration to ARIN by the Internet Assigned Numbers Authority (IANA) in .

157.55.235.172 IP Address Location

Here you will find the approximate IP location for 157.55.235.172 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 Address ASN8075 controlled by Microsoft Corporation
IP Address ISPMicrosoft Corporation
IP OrganizationMicrosoft Azure
IP Connection TypeCorporate [internet speed test]
IP LocationDublin D02, Leinster (L), Ireland (IE)
IP Geolocation Latitude53.3331 / 53°19′59″ N
IP Geolocation Longitude-6.2489 / 6°14′56″ W
IP Location TimezoneEurope/Dublin
IP Location Local Time

157.55.235.172 WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 157.55.235.172 which shows who is responsible for the corresponding IP subnet. Use our WHOIS IP Lookup tool to find the IP WHOIS record for any IPv4 or IPv6 address.

IP Address Range157.54.0.0 - 157.60.255.255
Number of IP Addresses458,752
IP Subnets
  • 157.54.0.0/15
  • 157.56.0.0/14
  • 157.60.0.0/16
[subnet calculator]
IP WHOIS Network NameMSFT-GFS
IP WHOIS Network HandleNET-157-54-0-0-1
IP WHOIS Network TypeDirect Assignment
ASNAS8075
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-157-54-0-0-1
IP WHOIS RegistrantMicrosoft Corporation (MSFT)
One Microsoft Way
Redmond WA 98052
United States (US)
https://whois.arin.net/rest/org/MSFT

IANA IPv4 Address Space Allocation for Subnet 157.0.0.0/8

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 Prefix157/8
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.

157.55.235.172 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 157.55.235.172.

  • dsn5.skype-dsn.akadns.net
  • dsn5.d.skype.net
  • dsn6.skype-dsn.akadns.net
  • dsn6.d.skype.net
  • dsn2.skype-dsn.akadns.net
  • dsn2.d.skype.net
  • dsn4.skype-dsn.akadns.net
  • dsn4.d.skype.net
  • dsn12.skype-dsn.akadns.net

157.55.235.172 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 157.055.235.172 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.

Decimal Notation2637687724
Hexadecimal Notation0x9d37ebac
Octal Notation023515765654
Binary Notation10011101001101111110101110101100
Dotted-Decimal Notation157.55.235.172
Dotted-Hexadecimal Notation0x9d.0x37.0xeb.0xac
Dotted-Octal Notation0235.067.0353.0254
Dotted-Binary Notation10011101.00110111.11101011.10101100

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