About 128.243.255.255
Looked-up address
128.243.255.255
- Location
- 🇬🇧 Nottingham, England, United Kingdom
- ISP · ASN
- JANET Jisc Services Limited AS786
- Type
- Residential
- Hostname
- —
- Time zone
- Europe/London 05:43
- Coordinates
- 52.9386, -1.1952
- Prefix
- 128.243.0.0/16
- IP version
- IPv4
- Region
- England
Nottingham, England, United KingdomOpenStreetMap →
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS786
- Network name
- JANET Jisc Services Limited
- Prefix
- 128.243.0.0/16
- Network type
- Consumer ISP
- Abuse contact
- irt@jisc.ac.uk
Native IP
Native IP: RIPE allocated this block to United Kingdom (GB) and it is geolocated in United Kingdom (GB) — the same country. The address is used where it was allocated, which is what a local residential or business line looks like.
Registry country: 🇬🇧 United KingdomGeolocation: 🇬🇧 United Kingdom
Allocation (RDAP)
- Registry
- whois.ripe.net
- Name
- UNI-NOTTINGHAM-LINR 128.243.0.0 - 128.243.255.255
- Range
- 128.243.0.0 – 128.243.255.255 128.243.0.0/16
- Country
- 🇬🇧 United Kingdom
- Allocation type
- LEGACY
- Registration
- 1970-01-01
- Last changed
- 2026-10-20
- registrant
- JANET-HOSTMASTER
- administrative
- University of Nottingham Admin
- technical
- University of Nottingham Tech
- registrant
- The University of Nottingham
The University of Nottingham
97
Purity score 97/100
0–100, higher is cleaner. Built from hosting, Tor, blocklists, ASN type, abuse contact, prefix visibility and rDNS consistency.
- No reverse DNS (-3)
- 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 listed | |
| 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 recordnoneThe PTR record the address owner published for it.
- Forward-confirmedVerify →Forward-confirmed: the hostname resolves back to this address.
- Reverse zone name255.255.243.128.in-addr.arpa
- Decimal
- 2163474431
- Hex
- 0x80F3FFFF
- Binary
- 10000000.11110011.11111111.11111111
- Octal
- 0200.0363.0377.0377
- Arpa
- 255.255.243.128.in-addr.arpa
- Mapped
- ::ffff:128.243.255.255
JSON
{
"ip": "128.243.255.255",
"version": 4,
"classification": "residential",
"flags": [],
"geo": {
"country_code": "GB",
"country": "United Kingdom",
"region": "England",
"city": "Nottingham",
"lat": 52.9386,
"lon": -1.19516,
"timezone": "Europe/London"
},
"asn": {
"asn": 786,
"name": "JANET Jisc Services Limited",
"prefix": "128.243.0.0/16"
},
"rdns": null
}This page is generated from public network data and refreshed as the datasets update.
Neighbouring addresses
Adjacent addresses in the same range.