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Autonomous System

AS20712

Andrews & Arnold Ltd

Announced IPs
141,563
CIDR prefixes
159
ASN
AS20712

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Andrews & Arnold

Andrews & Arnold Ltd is an Internet service provider based in Bracknell, England. Launched in 1998, the company serves businesses and home users.

Founded
1997
Headquarters
Bracknell
Industry
telecommunications

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Global
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-AA

Present at 3 internet exchanges: LONAP: LON0, LINX LON2, LINX LON1: Main

Web3 footprint

AS20712 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS20712 — global IP footprint

Cities where AS20712 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
81.2.64.0/18 16.4K
67.8%
Andrews & Arnold Ltd GB England Northolt
81.187.192.0/18 16.4K
0.0%
GB England Penge
90.155.0.0/18 16.4K
92.2%
Andrews & Arnold Ltd GB England Camden
81.2.96.0/19 8.2K
81.0%
Andrews & Arnold Ltd GB England Islington
81.187.0.0/19 8.2K
0.0%
GB England Acton
81.187.64.0/19 8.2K
53.7%
Andrews & Arnold Ltd GB England East Molesey
81.187.160.0/19 8.2K
48.9%
Andrews & Arnold Ltd GB England Lewisham
81.187.192.0/19 8.2K
80.9%
Andrews & Arnold Ltd GB England Penge
81.187.224.0/19 8.2K
51.7%
Andrews & Arnold Ltd GB England Barnet
90.155.64.0/19 8.2K
86.8%
Andrews & Arnold Ltd GB England City of Westminster
217.169.0.0/19 8.2K
73.8%
Andrews & Arnold Ltd GB England Putney
5.172.160.0/20 4.1K
85.1%
Andrews & Arnold Ltd GB
81.2.80.0/20 4.1K
24.1%
Andrews & Arnold Ltd GB England Northolt
81.187.0.0/20 4.1K
68.4%
Andrews & Arnold Ltd GB England Acton
81.187.48.0/20 4.1K
0.0%
GB England Weybridge
81.187.112.0/20 4.1K
53.8%
Andrews & Arnold Ltd GB
81.187.144.0/20 4.1K
53.2%
Andrews & Arnold Ltd GB England Bath
81.187.208.0/20 4.1K
80.8%
Andrews & Arnold Ltd GB England Penge
81.187.240.0/20 4.1K
40.6%
Andrews & Arnold Ltd GB England Barnet
90.155.96.0/20 4.1K
89.6%
Andrews & Arnold Ltd GB
178.238.144.0/20 4.1K
51.2%
Andrews & Arnold Ltd GB England Reading
81.2.72.0/21 2.0K
88.0%
Andrews & Arnold Ltd GB England Gosport
81.187.24.0/21 2.0K
66.9%
Andrews & Arnold Ltd GB England City of Westminster
81.187.32.0/21 2.0K
92.5%
Andrews & Arnold Ltd GB England Croydon
81.187.56.0/21 2.0K
1.7%
Andrews & Arnold Ltd GB England Weybridge
81.187.136.0/21 2.0K
52.8%
Andrews & Arnold Ltd GB
81.187.192.0/21 2.0K
85.8%
Andrews & Arnold Ltd GB England Bristol
81.187.232.0/21 2.0K
37.4%
Andrews & Arnold Ltd GB England Burgess Hill
81.2.68.0/22 1.0K
80.3%
Andrews & Arnold Ltd GB England Gosport
81.187.16.0/22 1.0K
85.5%
Andrews & Arnold Ltd GB England City of Westminster
81.187.44.0/22 1.0K
84.2%
Andrews & Arnold Ltd GB England Croydon
81.187.52.0/22 1.0K
56.7%
Andrews & Arnold Ltd GB England Weybridge
81.187.132.0/22 1.0K
51.8%
Andrews & Arnold Ltd GB England Hessay
81.187.200.0/22 1.0K
71.8%
Andrews & Arnold Ltd GB England Bristol
81.187.224.0/22 1.0K
98.8%
Andrews & Arnold Ltd GB England Burgess Hill
109.205.152.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB England Billingshurst
188.191.132.0/22 1.0K
100.0%
Andrews & Arnold Ltd GB
194.4.172.0/22 1.0K
100.0%
Andrews & Arnold Ltd GB
81.2.64.0/23 512
91.0%
Andrews & Arnold Ltd GB England Gosport
81.187.40.0/23 512
87.3%
Andrews & Arnold Ltd GB
81.187.50.0/23 512
94.5%
Andrews & Arnold Ltd GB England Weybridge
81.187.130.0/23 512
51.0%
Andrews & Arnold Ltd GB
81.187.206.0/23 512
79.9%
Andrews & Arnold Ltd GB England Bristol
81.187.230.0/23 512
93.9%
Andrews & Arnold Ltd GB England Burgess Hill
185.6.132.0/23 512
0.0%
Andrews & Arnold Ltd GB England Petworth
44.30.117.0/24 256
0.0%
Andrews & Arnold Ltd US
44.31.91.0/24 256
0.0%
The Constant Company, LLC US
44.31.166.0/24 256
0.0%
Andrews & Arnold Ltd US
44.31.241.0/24 256
30.5%
Andrews & Arnold Ltd US
44.32.156.0/24 256
1.6%
Andrews & Arnold Ltd US
45.88.21.0/24 256
0.0%
Andrews & Arnold Ltd NL North Holland Amsterdam
45.88.23.0/24 256
0.0%
Andrews & Arnold Ltd NL North Holland Amsterdam
45.89.37.0/24 256
0.0%
Andrews & Arnold Ltd NL North Holland Amsterdam
45.89.39.0/24 256
0.0%
Andrews & Arnold Ltd NL North Holland Amsterdam
45.92.3.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.129.89.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.129.91.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.134.249.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.134.251.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.135.9.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.135.11.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.136.217.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.136.219.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.138.77.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.138.79.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.139.33.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.139.35.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.139.229.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.139.231.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.140.69.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.140.71.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.140.134.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.140.215.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.141.49.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.141.51.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.142.205.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.142.207.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.144.157.0/24 256
0.0%
Andrews & Arnold Ltd NL
45.144.159.0/24 256
0.0%
Andrews & Arnold Ltd NL
51.146.73.0/24 256
0.0%
Andrews & Arnold Ltd GB England Wandsworth
51.194.130.0/24 256
0.0%
Catering Uk Limited GB England Towcester
81.2.67.0/24 256
97.7%
Andrews & Arnold Ltd GB England Gosport
81.187.20.0/24 256
65.2%
Andrews & Arnold Ltd GB England City of Westminster
81.187.23.0/24 256
50.4%
Andrews & Arnold Ltd GB England City of Westminster
81.187.43.0/24 256
93.8%
Andrews & Arnold Ltd GB
81.187.48.0/24 256
89.5%
Andrews & Arnold Ltd GB England Weybridge
81.187.129.0/24 256
51.6%
Andrews & Arnold Ltd GB
81.187.205.0/24 256
77.3%
Andrews & Arnold Ltd GB England Bristol
81.187.229.0/24 256
86.7%
Andrews & Arnold Ltd GB England Burgess Hill
91.190.97.0/24 256
0.0%
Andrews & Arnold Ltd NL
91.190.105.0/24 256
0.0%
Andrews & Arnold Ltd NL
91.200.61.0/24 256
0.0%
Andrews & Arnold Ltd GB
91.208.66.0/24 256
0.0%
Andrews & Arnold Ltd GB
91.240.176.0/24 256
92.6%
Andrews & Arnold Ltd GB
91.242.172.0/24 256
0.4%
Andrews & Arnold Ltd GB
91.244.239.0/24 256
8.6%
Andrews & Arnold Ltd GB
93.187.168.0/24 256
93.0%
Andrews & Arnold Ltd GB
109.205.156.0/24 256
0.0%
Andrews & Arnold Ltd GB England Pulborough
176.110.118.0/24 256
93.0%
Andrews & Arnold Ltd GB
176.123.222.0/24 256
0.0%
Andrews & Arnold Ltd GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20712 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
81.2.90.0/24 20,305 2026-06-26 13:15:39
91.244.239.0/24 15,884 2026-07-18 12:00:23
90.155.53.0/24 7,045 2026-07-18 11:59:50
90.155.67.0/24 7,038 2026-07-18 11:59:50
44.31.91.0/24 5,350 2026-07-18 12:29:16
44.30.117.0/24 5,336 2026-07-18 12:29:16
51.194.130.0/24 4,839 2026-07-18 12:29:16
5.172.160.0/20 4,731 2026-07-18 11:59:03
45.134.251.0/24 4,601 2026-07-18 11:59:37
45.129.89.0/24 4,590 2026-07-18 11:59:37
44.32.156.0/24 4,586 2026-07-18 11:59:36
45.134.249.0/24 4,575 2026-07-18 11:59:37
44.31.241.0/24 4,565 2026-07-18 11:59:36
44.31.166.0/24 4,556 2026-07-18 11:59:37
45.139.33.0/24 4,554 2026-07-18 11:59:37
45.139.35.0/24 4,549 2026-07-18 11:59:37
45.138.79.0/24 4,546 2026-07-18 11:59:37
45.135.11.0/24 4,546 2026-07-18 11:59:37
45.139.231.0/24 4,542 2026-07-18 11:59:37
45.138.77.0/24 4,541 2026-07-18 11:59:37
45.140.215.0/24 4,541 2026-07-18 11:59:37
45.140.71.0/24 4,540 2026-07-18 11:59:37
45.141.51.0/24 4,539 2026-07-18 11:59:37
45.142.207.0/24 4,539 2026-07-18 11:59:37
45.135.9.0/24 4,538 2026-07-18 11:59:37
45.144.157.0/24 4,537 2026-07-18 11:59:37
91.190.97.0/24 4,537 2026-07-18 11:59:37
45.142.205.0/24 4,536 2026-07-18 11:59:37
45.140.134.0/24 4,536 2026-07-18 11:59:37
45.141.49.0/24 4,535 2026-07-18 11:59:37
91.190.105.0/24 4,534 2026-07-18 11:59:37
45.129.91.0/24 4,533 2026-07-18 11:59:37
45.136.217.0/24 4,532 2026-07-18 11:59:37
45.136.219.0/24 4,532 2026-07-18 11:59:37
45.89.39.0/24 4,532 2026-07-18 11:59:37
45.139.229.0/24 4,532 2026-07-18 11:59:37
45.144.159.0/24 4,529 2026-07-18 11:59:37
45.88.23.0/24 4,525 2026-07-18 11:59:37
45.92.3.0/24 4,524 2026-07-18 11:59:37
45.88.21.0/24 4,524 2026-07-18 11:59:37
45.89.37.0/24 4,524 2026-07-18 11:59:37
45.140.69.0/24 4,522 2026-07-18 11:59:37
91.200.61.0/24 4,493 2026-07-18 12:00:09
81.2.64.0/18 4,451 2026-07-18 12:00:09
90.155.0.0/18 4,450 2026-07-18 12:00:09
81.187.0.0/16 4,445 2026-07-18 12:00:09
90.155.64.0/19 4,443 2026-07-18 12:00:09
90.155.96.0/20 4,441 2026-07-18 12:00:09
178.211.150.0/24 4,424 2026-07-18 11:59:37
194.62.124.0/24 4,413 2026-07-18 12:00:09

Showing top 50 of 82 announced prefixes by sample volume.

Frequently Asked Questions

What is AS20712?

AS20712 is an Autonomous System Number assigned to Andrews & Arnold Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS20712 announce?

AS20712 announces 141.6K IPv4 addresses distributed across 159 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS20712?

AS20712 is operated by Andrews & Arnold Ltd. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS20712 registered in?

AS20712 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:40:28 UTC
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