81.31.28.21 🇺🇸
The public IP address 81.31.28.21 is located in United States . It is assigned to the ISP GTT Communications . The address belongs to ASN 3257 which is delegated to GTT Communications Inc. Please have a look at the tables below for full details about 81.31.28.21 , or use the IP Lookup tool to find the approximate IP location for any public IP address.
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81.31.28.21 IP Address Location
Reverse IP (PTR ) none
ASN 3257 (GTT Communications Inc.)
ISP / OrganizationGTT Communications IP Connection Type Corporate [internet speed test ]
IP Location United States
IP Continent North America
IP Country 🇺🇸 United States (US)
IP State n/a
IP City unknown
IP Postcode unknown
IP Latitude 37.7510 / 37°45′3″ N IP Longitude -97.8220 / 97°49′19″ W IP Timezone America/Chicago
IP Local Time Thu, 25 Apr 2024 22:51:59 -0500
IANA IPv4 Address Space Allocation for Subnet 81.0.0.0/8
IPv4 Address Space Prefix 081/8
Regional Internet Registry (RIR) RIPE NCC
Allocation Date April 2001
WHOIS Server whois.ripe.net
RDAP Serverhttps://rdap.db.ripe.net/
Status ALLOCATEDDelegated entirely to specific RIR (Regional Internet Registry) as indicated.
81.31.28.21 IP Address Representations
CIDR Notation 81.31.28.21/32
Decimal Notation 1360993301
Hexadecimal Notation 0x511f1c15
Octal Notation 012107616025
Binary Notation 1010001000111110001110000010101
Dotted-Decimal Notation 81.31.28.21
Dotted-Hexadecimal Notation 0x51.0x1f.0x1c.0x15
Dotted-Octal Notation 0121.037.034.025
Dotted-Binary Notation 01010001.00011111.00011100.00010101