199.16.156.21 - IP Address Lookup

The IP address location of 199.16.156.21 is San Francisco 94103, California (CA), United States (US).

199.16.156.21 is a public IP address that belongs to ASN 13414 which is under the control of Twitter Inc.. The address resides in the IP address range 199.16.156.0 - 199.16.159.255 (CIDR notation: 199.16.156.0/22), and the whole subnet spans a total number of 1,024 individual IP addresses. The prefix 199/8 (199.0.0.0/8) was allocated to ARIN by the Internet Assigned Numbers Authority (IANA) in .

199.16.156.21 IP Address Location

Here you will find the approximate IP geolocation for 199.16.156.21 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 ASN13414 controlled by Twitter Inc.
IP ISP / OrganizationTwitter
IP Connection TypeCorporate [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateCalifornia (CA)
IP Location CitySan Francisco
IP Location Postcode94103
IP Location Latitude37.7758 / 37°46′32″ N
IP Location Longitude-122.4128 / 122°24′46″ W
IP Location TimezoneAmerica/Los_Angeles
IP Location Local Time

199.16.156.21 WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 199.16.156.21 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 Range199.16.156.0 - 199.16.159.255
Number of IP Addresses1,024
IP Subnet199.16.156.0/22 [subnet calculator]
IP WHOIS Network NameTWITTER-NETWORK
IP WHOIS Network HandleNET-199-16-156-0-1
IP WHOIS Network TypeDirect Assignment
Autonomous System Number (ASN)AS13414
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-199-16-156-0-1
IP WHOIS RegistrantTwitter Inc. (TWITT)
1355 Market Street
Suite 900
San Francisco CA 94103
United States (US)
https://whois.arin.net/rest/org/TWITT

IANA IPv4 Address Space Allocation for Subnet 199.0.0.0/8

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 Prefix199/8
Regional Internet Registry (RIR)ARIN
Allocation Date
WHOIS Serverwhois.arin.net
RDAP Serverhttps://rdap.arin.net/registry, http://rdap.arin.net/registry
StatusALLOCATED
Delegated entirely to specific RIR (Regional Internet Registry) as indicated.

199.16.156.21 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 199.016.156.021 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 Notation3339754517
Hexadecimal Notation0xc7109c15
Octal Notation030704116025
Binary Notation11000111000100001001110000010101
Dotted-Decimal Notation199.16.156.21
Dotted-Hexadecimal Notation0xc7.0x10.0x9c.0x15
Dotted-Octal Notation0307.020.0234.025
Dotted-Binary Notation11000111.00010000.10011100.00010101

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