IP range 137.2.88.0/21
137.2.88.0/21 contains 2,048 addresses announced by DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) and located in United States. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) AS721
- Country
- United States
- CIDR
- 137.2.88.0/21
- Subnet mask
- 255.255.248.0
Sample lookup
Sample address in this range
137.2.88.1
- Location
- 🇺🇸 Montgomery, Alabama, United States
- Type
- Government
- Hostname
- —
- Time zone
- America/Chicago 07:16
- Coordinates
- 32.4033, -86.2383
- Prefix
- 137.2.88.0/21
- IP version
- IPv4
- Region
- Alabama
Montgomery, Alabama, United StatesOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS721
- Network name
- DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD)
- Prefix
- 137.2.88.0/21
- Network type
- Government
- 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 name1.88.2.137.in-addr.arpa
- Decimal
- 2298632193
- Hex
- 0x89025801
- Binary
- 10001001.00000010.01011000.00000001
- Octal
- 0211.02.0130.01
- Arpa
- 1.88.2.137.in-addr.arpa
- Mapped
- ::ffff:137.2.88.1
JSON
{
"ip": "137.2.88.1",
"version": 4,
"classification": "government",
"flags": [],
"geo": {
"country_code": "US",
"country": "United States",
"region": "Alabama",
"city": "Montgomery",
"lat": 32.4033,
"lon": -86.2383,
"timezone": "America/Chicago"
},
"asn": {
"asn": 721,
"name": "DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD)",
"prefix": "137.2.88.0/21"
},
"rdns": null
}