IP range 111.187.128.0/17
111.187.128.0/17 contains 32,768 addresses announced by ERX-CERNET-BKB China Education and Research Network Center and located in China. First and last address, owner network and neighbouring ranges.
At a glance
- Announced by
- ERX-CERNET-BKB China Education and Research Network Center AS4538
- Country
- China
- CIDR
- 111.187.128.0/17
- Subnet mask
- 255.255.128.0
Sample lookup
Sample address in this range
111.187.128.1
- Location
- 🇨🇳 Shanghai, Shanghai, China
- ISP · ASN
- ERX-CERNET-BKB China Education and Research Network Center AS4538
- Type
- Education
- Hostname
- —
- Time zone
- Asia/Shanghai 14:19
- Coordinates
- 31.2304, 121.4740
- Prefix
- 111.187.128.0/17
- IP version
- IPv4
- Region
- Shanghai
Shanghai, Shanghai, ChinaOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS4538
- Network name
- ERX-CERNET-BKB China Education and Research Network Center
- Prefix
- 111.187.128.0/17
- 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 name1.128.187.111.in-addr.arpa
- Decimal
- 1874558977
- Hex
- 0x6FBB8001
- Binary
- 01101111.10111011.10000000.00000001
- Octal
- 0157.0273.0200.01
- Arpa
- 1.128.187.111.in-addr.arpa
- Mapped
- ::ffff:111.187.128.1
JSON
{
"ip": "111.187.128.1",
"version": 4,
"classification": "education",
"flags": [],
"geo": {
"country_code": "CN",
"country": "China",
"region": "Shanghai",
"city": "Shanghai",
"lat": 31.2304,
"lon": 121.474,
"timezone": "Asia/Shanghai"
},
"asn": {
"asn": 4538,
"name": "ERX-CERNET-BKB China Education and Research Network Center",
"prefix": "111.187.128.0/17"
},
"rdns": null
}