81.23.48.0/20
AS41230 · ASK4 Limited
Summary
- BGP Prefix
- 81.23.48.0/20
- Country
- 🇬🇧 United Kingdom
- Domain
- ask4.com
- Registry
- RIPE_NCC
- ID
- UK-ASK4INTERNET-20060214
- Allocation
- assigned on 2006-02-14
WHOIS
- Network
- 81.23.48.0/20
- Name
- ASK4 Limited
- Net name
- UK-ASK4INTERNET-20060214
- Organization type
- allocated pa
- Registry
- RIPE_NCC
- Country
- GB
- Abuse contact
- ASK4 Abuse Department
- Abuse email
- abuse@ask4.com
Overlapping Ranges
| Range | Source | Holder | Country |
|---|---|---|---|
| 81.23.48.0/20 | BGP route | AS41230 ASK4 Limited | — |
| 81.23.48.0/20 | WHOIS (RIPE_NCC) | ASK4 Limited | GB |
| 81.23.48.0/20 | RIPE_NCC assigned | — | GB |
| 81.23.55.0/24 | WHOIS (RIPE_NCC) | Digital Region Dynamic PPP Range | GB |
| 81.23.63.0/25 | WHOIS (RIPE_NCC) | Sheffield Science Park - Cooper Buildings | GB |
| 81.23.63.128/25 | WHOIS (RIPE_NCC) | Sheffield Science Park - Don Valley | GB |
| 81.23.48.128/26 | WHOIS (RIPE_NCC) | Manchester Servers | GB |
| 81.23.51.64/26 | WHOIS (RIPE_NCC) | Ask4 Office Workstations | GB |
| 81.23.52.0/26 | WHOIS (RIPE_NCC) | West One Ask4 Directly Connected Servers | GB |
| 81.23.53.192/26 | WHOIS (RIPE_NCC) | Thorncliffe Park Customers | GB |
| 81.23.56.0/26 | WHOIS (RIPE_NCC) | Ask4 Office Workstations 3 | GB |
| 81.23.57.192/26 | WHOIS (RIPE_NCC) | Digital Region Static PPP Range | GB |
| 81.23.59.128/26 | WHOIS (RIPE_NCC) | Birchenall Howden Hosting Range | GB |
| 81.23.60.64/26 | WHOIS (RIPE_NCC) | Reserved for Omnia | GB |
| 81.23.62.0/26 | WHOIS (RIPE_NCC) | Velocity Village Business Park | GB |
| 81.23.62.128/26 | WHOIS (RIPE_NCC) | Google Global Cache servers | GB |
| 81.23.62.192/26 | WHOIS (RIPE_NCC) | Camwatch internal range | GB |
| 81.23.48.64/27 | WHOIS (RIPE_NCC) | Manchester Gateways (Kingston Just Cat5) | GB |
| 81.23.48.96/27 | WHOIS (RIPE_NCC) | Manchester Gateways (Kingston Telecity-150-1) | GB |
| 81.23.49.128/27 | WHOIS (RIPE_NCC) | Manchester Gateways | GB |
| 81.23.49.160/27 | WHOIS (RIPE_NCC) | Leicester minipop | GB |
| 81.23.49.192/27 | WHOIS (RIPE_NCC) | Manchester Gateways (Telewest Lightening Edge 2) | GB |
| 81.23.49.224/27 | WHOIS (RIPE_NCC) | Omnia Leicester | GB |
| 81.23.50.224/27 | WHOIS (RIPE_NCC) | Manchester Gateways (Telewest Lightning Edge 3) | GB |
| 81.23.51.32/27 | WHOIS (RIPE_NCC) | West One Server Range 5 | GB |
| 81.23.51.128/27 | WHOIS (RIPE_NCC) | West One Server Range 3 | GB |
| 81.23.51.160/27 | WHOIS (RIPE_NCC) | Virtual Server Build LAN | GB |
| 81.23.52.128/27 | WHOIS (RIPE_NCC) | West One Server Range 2 | GB |
| 81.23.53.64/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Fibre Ring Anticlockwise) | GB |
| 81.23.53.96/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (BT NTU | GB |
| 81.23.53.128/27 | WHOIS (RIPE_NCC) | Omnia Customers 1 | GB |
| 81.23.53.160/27 | WHOIS (RIPE_NCC) | Akamai Servers | GB |
| 81.23.54.64/27 | WHOIS (RIPE_NCC) | Ask4 HQ Workstations | GB |
| 81.23.54.96/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Telewest Shelf 2) | GB |
| 81.23.54.128/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Kingston WestOne-150-1) | GB |
| 81.23.54.160/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Kingston WestOne-150-3) | GB |
| 81.23.54.192/27 | WHOIS (RIPE_NCC) | Khepera (Orgreave) Business Centre Customer Range | GB |
| 81.23.54.224/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Telewest Shelf 1) | GB |
| 81.23.56.224/27 | WHOIS (RIPE_NCC) | ASK4-CUSTOMERS | GB |
| 81.23.57.160/27 | WHOIS (RIPE_NCC) | Sheffield Gateways (Fibre Ring 2) | GB |
| 81.23.59.192/27 | WHOIS (RIPE_NCC) | ASK4-CUSTOMERS | GB |
| 81.23.60.128/27 | WHOIS (RIPE_NCC) | WANdisco | GB |
| 81.23.61.0/27 | WHOIS (RIPE_NCC) | IPL | GB |
| 81.23.61.64/27 | WHOIS (RIPE_NCC) | IPL | GB |
| 81.23.61.192/27 | WHOIS (RIPE_NCC) | Teesdale Wimax Customers | GB |
| 81.23.48.16/28 | WHOIS (RIPE_NCC) | Backbone: Sheffield to London Direct | GB |
| 81.23.48.32/28 | WHOIS (RIPE_NCC) | Backbone: Manchester to London Direct | GB |
| 81.23.48.48/28 | WHOIS (RIPE_NCC) | Backbone: Manchester to London (via Sheffield) | GB |
| 81.23.48.192/28 | WHOIS (RIPE_NCC) | Backbone: Manchester to London (via Birmingham) | GB |
| 81.23.48.224/28 | WHOIS (RIPE_NCC) | Backbone: London to Birmingham | GB |
| 81.23.48.240/28 | WHOIS (RIPE_NCC) | Backbone Router IDs | GB |
| 81.23.49.16/28 | WHOIS (RIPE_NCC) | Opal Leeds One MiniPoP Gateways 2 | GB |