About 136.148.104.0
Looked-up address
136.148.104.0
- Location
- 🇬🇧 London, England, United Kingdom
- ISP · ASN
- JANET Jisc Services Limited AS786
- Type
- Residential
- Hostname
- —
- Time zone
- Europe/London 19:34
- Coordinates
- 51.4987, -0.1009
- Prefix
- 136.148.104.0/21
- IP version
- IPv4
- Region
- England
Approximate: city-level geolocation, radius about 25 km.
- ASN
- AS786
- Network name
- JANET Jisc Services Limited
- Prefix
- 136.148.104.0/21
- Network type
- Consumer ISP
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
BGP routing
- Origin ASN
- AS786
- Announced prefix
- 136.148.104.0/21
- RPKI
- Unknown
- Visibility (RIS peers)
- 100%
- First seen
- 2026-04-28
- Abuse contact
- irt@jisc.ac.uk
Data: RIPE NCC RIPEstat
Allocation (RDAP)
- Registry
- whois.ripe.net
- Name
- LSBANK-UNI 136.148.104.0 - 136.148.127.255
- Range
- 136.148.104.0 – 136.148.127.255 136.148.104.0/21
- Country
- 🇬🇧 United Kingdom
- Allocation type
- LEGACY
- Registration
- 2026-08-14
- Last changed
- 2026-08-18
- administrative, technical
- ICT at LSBU
- registrant
- JANET-HOSTMASTER
- registrant
- London South Bank University
- registrant
- RIPE-NCC-LEGACY-MNT
London South Bank University
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 name0.104.148.136.in-addr.arpa
- Decimal
- 2291427328
- Hex
- 0x88946800
- Binary
- 10001000.10010100.01101000.00000000
- Octal
- 0210.0224.0150.00
- Arpa
- 0.104.148.136.in-addr.arpa
- Mapped
- ::ffff:136.148.104.0
JSON
{
"ip": "136.148.104.0",
"version": 4,
"classification": "residential",
"flags": [],
"geo": {
"country_code": "GB",
"country": "United Kingdom",
"region": "England",
"city": "London",
"lat": 51.4987,
"lon": -0.100891,
"timezone": "Europe/London"
},
"asn": {
"asn": 786,
"name": "JANET Jisc Services Limited",
"prefix": "136.148.104.0/21"
},
"rdns": null
}This page is generated from public network data and refreshed as the datasets update.
Neighbouring addresses
Adjacent addresses in the same range.
Nearby ranges
136.148.78.0/24 SpaceWebLLC Space Web…136.148.79.0/24 WEYRO136.148.128.0/22 RCN-AS136.148.132.0/22 IR-DC-ASRTLCOM