IP range 12.72.254.0/23
12.72.254.0/23 contains 512 addresses announced by ATT-MOBILITY-LLC-AS20057 and located in United States. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- ATT-MOBILITY-LLC-AS20057 AS20057
- Country
- United States
- CIDR
- 12.72.254.0/23
- Subnet mask
- 255.255.254.0
Sample lookup
Sample address in this range
12.72.254.1
- Location
- 🇺🇸 Chicago, Illinois, United States
- ISP · ASN
- ATT-MOBILITY-LLC-AS20057 AS20057
- Type
- Unclassified network
- Hostname
- —
- Time zone
- America/Chicago 10:10
- Coordinates
- 41.8781, -87.6298
- Prefix
- 12.72.254.0/23
- IP version
- IPv4
- Region
- Illinois
Chicago, Illinois, United StatesOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS20057
- Network name
- ATT-MOBILITY-LLC-AS20057
- Prefix
- 12.72.254.0/23
- Network type
- Unclassified
- Datacenter / hosting rangeNo
- Tor exit nodeNo
- Known VPN / proxy providerNo
- Spamhaus DROPNo
- BlacklistsCheck →
- PTR recordnoneThe PTR record the address owner published for it.
- Forward-confirmedVerify →Forward-confirmed: the hostname resolves back to this address.
- Reverse zone name1.254.72.12.in-addr.arpa
- Decimal
- 206110209
- Hex
- 0x0C48FE01
- Binary
- 00001100.01001000.11111110.00000001
- Octal
- 014.0110.0376.01
- Arpa
- 1.254.72.12.in-addr.arpa
- Mapped
- ::ffff:12.72.254.1
JSON
{
"ip": "12.72.254.1",
"version": 4,
"classification": "unknown",
"flags": [],
"geo": {
"country_code": "US",
"country": "United States",
"region": "Illinois",
"city": "Chicago",
"lat": 41.8781,
"lon": -87.6298,
"timezone": "America/Chicago"
},
"asn": {
"asn": 20057,
"name": "ATT-MOBILITY-LLC-AS20057",
"prefix": "12.72.254.0/23"
},
"rdns": null
}