81.187.128.0

Reading · United Kingdom · Watchfront Limited

Autonomous system
AS41489
Country
GB
Risk score
Not a probability

IP address summary

IP address
81.187.128.0
Network operator
Watchfront Limited
ISP
Watchfront Limited
Containing network profile
81.187.0.0/16
Operator category
CDN

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN
AS41489
Source label
WF-AS Watchfront Limited
Reference interval
81.187.128.0 to 81.187.128.255
Collected

IPtoASN maps this address interval to AS41489. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IP geolocation

Reading, United Kingdom
51.428°, -0.759°
World map with country boundaries
Approximate network location; not a device positionNatural Earth map data
City
Reading
Region
England
Postal code
Not supplied
Timezone
Europe/London
Local time
Approximate coordinates
51.428, -0.759

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed
ProxyNot listed
TorNot classified
HostingClassified
MobileNot classified
Risk score

0/ 100

No elevated indicators
Threat evidence
0No threat-feed match
Anonymity context
0Policy points

Score = max(threat, anonymity). Overlapping signals are not added.

  • Hosting network
    0
Threat-feed coverageCurrent at lookup
Attribution and snapshot details
DROP IPv4Current at lookup
Checked:
Valid until:
ASN-DROPCurrent at lookup
Checked:
Valid until:

© 2026 The Spamhaus Project SLU. DROP · Attribution and snapshot details

ipquery-risk-v2

A low score is not proof that an address is safe. This assessment describes an address, not a person or a request.

View scoring method
Read exact field definitions

ASN and network operator

AS41489 profile
Organization
Watchfront Limited
Operator type
CDN

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range
81.187.128.0/24
Registered network name
RDT
Registered network block
81.187.128.0/24
Registration source
RIPENCC WHOIS
Company
Andrews & Arnold Ltd
Usage type
hosting
Company website
aa.net.uk

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name
AAISP Support
Published contact network
81.187.128.0/24
Phone
+44 5555 400 999
Postal address
Andrews & Arnold Ltd, Enterprise Court, Downmill Road, BRACKNELL, Berks, UNITED KINGDOM, RG12 1QS
Contact country
United Kingdom

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON
81.187.128.0 · live response
{
  "ip": "81.187.128.0",
  "isp": {
    "asn": "AS41489",
    "org": "Watchfront Limited",
    "isp": "Watchfront Limited"
  },
  "location": {
    "country": "United Kingdom",
    "country_code": "GB",
    "city": "Reading",
    "state": "England",
    "zipcode": "",
    "latitude": 51.42788159981333,
    "longitude": -0.7593779908718608,
    "timezone": "Europe/London",
    "localtime": "2026-11-05T14:11:35"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": true,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v2",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [
        {
          "code": "hosting",
          "score": 0,
          "source": "ipquery-classifier"
        }
      ],
      "sources": [
        {
          "id": "spamhaus_drop_v4",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-04T18:44:02Z"
        },
        {
          "id": "spamhaus_asndrop",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-05T03:44:02Z"
        }
      ]
    }
  }
}

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