- IP Address Lookup

The IP address location of is San Bruno 94066, California (CA), United States (US). is a public IP address that belongs to ASN 16474 which is under the control of Responsys Inc.. The address resides in the IP address range - (CIDR notation:, and the whole subnet spans a total number of 2,048 individual IP addresses. The prefix 199/8 ( was allocated to ARIN by the Internet Assigned Numbers Authority (IANA) in . IP Address Location

Here you will find the approximate IP geolocation for 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 Lookupomp.e.normthompson.com
IP Address ASN16474 controlled by Responsys Inc.
IP ISP / OrganizationResponsys
IP Connection TypeCorporate [internet speed test]
IP Location ContinentNorth America
IP Location CountryUnited States (US)
IP Location StateCalifornia (CA)
IP Location CitySan Bruno
IP Location Postcode94066
IP Location Latitude37.6228 / 37°37′22″ N
IP Location Longitude-122.4364 / 122°26′11″ W
IP Location TimezoneAmerica/Los_Angeles
IP Location Local Time WHOIS IP Lookup

This section provides the IP WHOIS record for IPv4 address 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 Range199.7.200.0 -
Number of IP Addresses2,048
IP Subnet199.7.200.0/21 [subnet calculator]
IP WHOIS Network HandleNET-199-7-200-0-1
IP WHOIS Network TypeDirect Assignment
Autonomous System Number (ASN)AS16474, AS15334
IP WHOIS Registration Date
IP WHOIS Modification Date
IP WHOIS Net Referencehttps://whois.arin.net/rest/net/NET-199-7-200-0-1
IP WHOIS RegistrantResponsys Inc. (RSYS)
1100 Grundy Lane,
Suite 300
San Bruno CA 94066
United States (US)

IANA IPv4 Address Space Allocation for Subnet

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
Delegated entirely to specific RIR (Regional Internet Registry) as indicated. 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

  • omp.e.normthompson.com 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 or because they might impose an ambiguity with octal numbers.
Below you can find some ways to express an IPv4 address.

Decimal Notation3339177483
Hexadecimal Notation0xc707ce0b
Octal Notation030701747013
Binary Notation11000111000001111100111000001011
Dotted-Decimal Notation199.7.206.11
Dotted-Hexadecimal Notation0xc7.0x07.0xce.0x0b
Dotted-Octal Notation0307.07.0316.013
Dotted-Binary Notation11000111.00000111.11001110.00001011

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