IP range 203.188.80.0/21
203.188.80.0/21 contains 2,048 addresses announced by CITYUNI-AS-AP City University of Hong Kong and located in Hong Kong. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- CITYUNI-AS-AP City University of Hong Kong AS4158
- Country
- Hong Kong
- CIDR
- 203.188.80.0/21
- Subnet mask
- 255.255.248.0
Sample lookup
Sample address in this range
203.188.80.1
- Location
- 🇭🇰 Kowloon Tong, Kowloon City, Hong Kong
- ISP · ASN
- CITYUNI-AS-AP City University of Hong Kong AS4158
- Type
- Education
- Hostname
- —
- Time zone
- Asia/Hong_Kong 13:05
- Coordinates
- 22.3370, 114.1730
- Prefix
- 203.188.80.0/21
- IP version
- IPv4
- Region
- Kowloon City
Kowloon Tong, Kowloon City, Hong KongOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS4158
- Network name
- CITYUNI-AS-AP City University of Hong Kong
- Prefix
- 203.188.80.0/21
- Network type
- Education
- 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 name1.80.188.203.in-addr.arpa
- Decimal
- 3418116097
- Hex
- 0xCBBC5001
- Binary
- 11001011.10111100.01010000.00000001
- Octal
- 0313.0274.0120.01
- Arpa
- 1.80.188.203.in-addr.arpa
- Mapped
- ::ffff:203.188.80.1
JSON
{
"ip": "203.188.80.1",
"version": 4,
"classification": "education",
"flags": [],
"geo": {
"country_code": "HK",
"country": "Hong Kong",
"region": "Kowloon City",
"city": "Kowloon Tong",
"lat": 22.337,
"lon": 114.173,
"timezone": "Asia/Hong_Kong"
},
"asn": {
"asn": 4158,
"name": "CITYUNI-AS-AP City University of Hong Kong",
"prefix": "203.188.80.0/21"
},
"rdns": null
}