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Autonomous System

AS20712

Andrews & Arnold Ltd

Announced IPs
144,635
CIDR prefixes
162
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 v1.2.0 — 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 Leeds
81.187.192.0/18 16.4K
0.0%
Andrews & Arnold Ltd GB England Barnet
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 Camberwell
81.187.0.0/19 8.2K
0.0%
Andrews & Arnold Ltd GB England Derby
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 Bromley
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 Haslemere
217.169.0.0/19 8.2K
73.8%
Andrews & Arnold Ltd GB England Redhill
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 Leeds
81.187.0.0/20 4.1K
68.4%
Andrews & Arnold Ltd GB England Derby
81.187.48.0/20 4.1K
0.0%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.112.0/20 4.1K
53.8%
Andrews & Arnold Ltd GB England Wolverhampton
81.187.144.0/20 4.1K
53.2%
Andrews & Arnold Ltd GB England Canterbury
81.187.208.0/20 4.1K
80.8%
Andrews & Arnold Ltd GB England Bromley
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 Islington
81.2.72.0/21 2.0K
88.0%
Andrews & Arnold Ltd GB England East Finchley
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 Wimbledon
81.187.56.0/21 2.0K
1.7%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.136.0/21 2.0K
52.8%
Andrews & Arnold Ltd GB England Bury St Edmunds
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 City of Westminster
81.2.68.0/22 1.0K
80.3%
Andrews & Arnold Ltd GB England East Finchley
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 Wimbledon
81.187.52.0/22 1.0K
56.7%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.132.0/22 1.0K
51.8%
Andrews & Arnold Ltd GB England Woodmancote
81.187.200.0/22 1.0K
71.8%
Andrews & Arnold Ltd GB England Hertford
81.187.224.0/22 1.0K
98.8%
Andrews & Arnold Ltd GB England City of Westminster
94.116.12.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB
94.116.32.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB
94.116.196.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB
109.205.152.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB England Duncton
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 East Finchley
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 Tower Hamlets
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 Hertford
81.187.230.0/23 512
93.9%
Andrews & Arnold Ltd GB England City of Westminster
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 East Finchley
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 Tower Hamlets
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 Hertford
81.187.229.0/24 256
86.7%
Andrews & Arnold Ltd GB England City of Westminster
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

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
90.155.53.0/24 26,307 2026-09-10 15:06:16
90.155.67.0/24 26,307 2026-09-10 15:07:07
91.244.239.0/24 26,022 2026-09-10 15:07:00
81.2.90.0/24 20,305 2026-06-26 13:15:39
44.31.91.0/24 11,246 2026-09-10 15:06:22
44.30.117.0/24 11,233 2026-09-10 15:06:31
51.194.130.0/24 10,747 2026-09-10 15:07:21
90.155.0.0/24 9,924 2026-09-10 15:06:44
188.220.10.0/24 9,913 2026-09-10 15:07:21
5.172.160.0/20 9,879 2026-09-10 15:06:27
90.155.0.0/22 9,788 2026-09-10 15:06:41
45.134.251.0/24 9,768 2026-09-10 15:07:21
90.155.4.0/22 9,751 2026-09-10 15:06:41
81.187.30.0/23 9,724 2026-09-10 15:07:00
45.134.249.0/24 9,628 2026-09-10 15:07:21
91.200.61.0/24 9,604 2026-09-10 15:06:50
45.129.89.0/24 9,552 2026-09-10 15:07:00
44.32.156.0/24 9,510 2026-09-10 15:06:37
90.155.96.0/20 9,508 2026-09-10 15:06:50
90.155.0.0/18 9,508 2026-09-10 15:06:41
90.155.64.0/19 9,501 2026-09-10 15:07:00
44.31.166.0/24 9,497 2026-09-10 15:07:21
45.139.33.0/24 9,496 2026-09-10 15:06:31
45.139.35.0/24 9,495 2026-09-10 15:06:31
45.142.207.0/24 9,486 2026-09-10 15:07:21
45.139.231.0/24 9,486 2026-09-10 15:07:21
45.142.205.0/24 9,485 2026-09-10 15:07:21
45.138.79.0/24 9,484 2026-09-10 15:06:50
45.138.77.0/24 9,484 2026-09-10 15:06:50
45.89.39.0/24 9,484 2026-09-10 15:07:00
45.88.23.0/24 9,483 2026-09-10 15:06:50
45.135.11.0/24 9,482 2026-09-10 15:06:41
44.31.241.0/24 9,481 2026-09-10 15:07:00
45.140.71.0/24 9,481 2026-09-10 15:06:50
45.144.159.0/24 9,477 2026-09-10 15:07:21
45.141.49.0/24 9,476 2026-09-10 15:06:31
45.136.219.0/24 9,476 2026-09-10 15:07:21
45.141.51.0/24 9,474 2026-09-10 15:06:37
45.144.157.0/24 9,474 2026-09-10 15:07:21
90.155.62.0/24 9,472 2026-09-10 15:06:20
45.135.9.0/24 9,472 2026-09-10 15:06:41
45.140.215.0/24 9,472 2026-09-10 15:07:21
45.140.134.0/24 9,470 2026-09-10 15:07:00
45.88.21.0/24 9,466 2026-09-10 15:06:50
45.136.217.0/24 9,466 2026-09-10 15:07:21
45.139.229.0/24 9,465 2026-09-10 15:07:21
45.129.91.0/24 9,463 2026-09-10 15:07:00
45.140.69.0/24 9,463 2026-09-10 15:06:50
45.92.3.0/24 9,460 2026-09-10 15:06:50
91.190.105.0/24 9,460 2026-09-10 15:07:21

Showing top 50 of 86 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 144.6K IPv4 addresses distributed across 162 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: 2026-09-10 15:24:05 UTC
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