About 203.183.156.0
Looked-up address
203.183.156.0
- Location
- 🇯🇵 Chiyoda City, Tokyo, Japan
- ISP · ASN
- IDCF IDC Frontier Inc. AS4694
- Type
- Unclassified network
- Hostname
- s203183156000.u.biztel.jp
- Time zone
- Asia/Tokyo 21:29
- Coordinates
- 35.6916, 139.7680
- Prefix
- 203.183.156.0/22
- IP version
- IPv4
- Region
- Tokyo
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS4694
- Network name
- IDCF IDC Frontier Inc.
- Prefix
- 203.183.156.0/22
- Network type
- Unclassified
Native IP
Native IP: APNIC allocated this block to Japan (JP) and it is geolocated in Japan (JP) — the same country. The address is used where it was allocated, which is what a local residential or business line looks like.
Registry country: 🇯🇵 JapanGeolocation: 🇯🇵 Japan
BGP routing
- Origin ASN
- AS4694
- Announced prefix
- 203.183.156.0/22
- RPKI
- Valid
- Visibility (RIS peers)
- 99%
- First seen
- 2025-07-24
Data: RIPE NCC RIPEstat
Allocation (RDAP)
- Registry
- whois.apnic.net
- Name
- BIZTEL 203.183.156.0 - 203.183.156.127
- Range
- 203.183.156.0 – 203.183.156.127 203.183.156.0/25
- Country
- 🇯🇵 Japan
- Last changed
- 2024-06-14
- technical, administrative
- Japan Network Information Center hostmaster@nic.ad.jp
Link,Inc.
Purity score 95/100
0–100, higher is cleaner. Built from hosting, Tor, blocklists, ASN type, abuse contact, prefix visibility and rDNS consistency.
- No abuse contact published (-5)
- Datacenter / hosting rangeNo
- Tor exit nodeNo
- Known VPN / proxy providerNo
- Spamhaus DROPNo
- Blacklists0 / 8
DNS blocklists 0 / 8
| List | Status | Reason |
|---|---|---|
| Spamhaus ZEN zen.spamhaus.org | Not checked | query refused by list (resolver policy) |
| SpamCop bl.spamcop.net | Not listed | |
| Barracuda b.barracudacentral.org | Not listed | |
| SORBS dnsbl.sorbs.net | Not listed | |
| UCEPROTECT L1 dnsbl-1.uceprotect.net | Not listed | |
| PSBL psbl.surriel.com | Not listed | |
| s5h.net all.s5h.net | Not listed | |
| DroneBL dnsbl.dronebl.org | Not listed |
- PTR records203183156000.u.biztel.jpThe PTR record the address owner published for it.
- Forward-confirmedVerify →Forward-confirmed: the hostname resolves back to this address.
- Reverse zone name0.156.183.203.in-addr.arpa
- Decimal
- 3417807872
- Hex
- 0xCBB79C00
- Binary
- 11001011.10110111.10011100.00000000
- Octal
- 0313.0267.0234.00
- Arpa
- 0.156.183.203.in-addr.arpa
- Mapped
- ::ffff:203.183.156.0
JSON
{
"ip": "203.183.156.0",
"version": 4,
"classification": "unknown",
"flags": [],
"geo": {
"country_code": "JP",
"country": "Japan",
"region": "Tokyo",
"city": "Chiyoda City",
"lat": 35.6916,
"lon": 139.768,
"timezone": "Asia/Tokyo"
},
"asn": {
"asn": 4694,
"name": "IDCF IDC Frontier Inc.",
"prefix": "203.183.156.0/22"
},
"rdns": "s203183156000.u.biztel.jp"
}This page is generated from public network data and refreshed as the datasets update.
Neighbouring addresses
Adjacent addresses in the same range.
Nearby ranges
203.183.96.0/19 IDCF IDC Frontier Inc203.183.153.0/24 ODN SoftBank Corp203.183.208.0/21 IDCF IDC Frontier Inc203.183.220.0/22 IDCF IDC Frontier Inc