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Autonomous System

AS20712

Andrews & Arnold Ltd

Announced IPs
148,467
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 v1.2.1 — 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 industry

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 3 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
81.2.64.0/18 16.4K
95.4%
Andrews & Arnold Ltd GB England East Finchley
81.187.192.0/18 16.4K
91.8%
Andrews & Arnold Ltd GB England Barnet
90.155.0.0/18 16.4K
99.0%
Andrews & Arnold Ltd GB England Camden
81.2.96.0/19 8.2K
95.9%
Andrews & Arnold Ltd GB England Camberwell
81.187.0.0/19 8.2K
95.6%
Andrews & Arnold Ltd GB England Derby
81.187.64.0/19 8.2K
96.1%
Andrews & Arnold Ltd GB England East Molesey
81.187.160.0/19 8.2K
95.4%
Andrews & Arnold Ltd GB England Lewisham
90.155.64.0/19 8.2K
98.1%
Andrews & Arnold Ltd GB England Haslemere
217.169.0.0/19 8.2K
92.0%
Andrews & Arnold Ltd GB England Redhill
5.172.160.0/20 4.1K
98.9%
Andrews & Arnold Ltd GB — —
81.2.80.0/20 4.1K
95.2%
Andrews & Arnold Ltd GB England Leeds
81.187.0.0/20 4.1K
94.3%
Andrews & Arnold Ltd GB England Derby
81.187.48.0/20 4.1K
96.9%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.112.0/20 4.1K
97.0%
Andrews & Arnold Ltd GB England Wolverhampton
81.187.144.0/20 4.1K
97.1%
Andrews & Arnold Ltd GB England Canterbury
81.187.208.0/20 4.1K
91.1%
Andrews & Arnold Ltd GB England Bromley
81.187.240.0/20 4.1K
94.4%
Andrews & Arnold Ltd GB England Barnet
90.155.96.0/20 4.1K
99.4%
Andrews & Arnold Ltd GB — —
178.238.144.0/20 4.1K
95.1%
Andrews & Arnold Ltd GB England Islington
81.2.72.0/21 2.0K
96.8%
Andrews & Arnold Ltd GB England East Finchley
81.187.24.0/21 2.0K
98.1%
Andrews & Arnold Ltd GB England City of Westminster
81.187.32.0/21 2.0K
96.2%
Andrews & Arnold Ltd GB England Wimbledon
81.187.56.0/21 2.0K
98.8%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.136.0/21 2.0K
97.9%
Andrews & Arnold Ltd GB England Bury St Edmunds
81.187.192.0/21 2.0K
92.3%
Andrews & Arnold Ltd GB England Hertford
81.187.232.0/21 2.0K
88.5%
Andrews & Arnold Ltd GB England City of Westminster
81.2.68.0/22 1.0K
89.7%
Andrews & Arnold Ltd GB England East Finchley
81.187.16.0/22 1.0K
98.0%
Andrews & Arnold Ltd GB England City of Westminster
81.187.44.0/22 1.0K
91.1%
Andrews & Arnold Ltd GB England Wimbledon
81.187.52.0/22 1.0K
92.4%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.132.0/22 1.0K
97.3%
Andrews & Arnold Ltd GB England Woodmancote
81.187.200.0/22 1.0K
80.4%
Andrews & Arnold Ltd GB England Hertford
81.187.224.0/22 1.0K
97.9%
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 — —
94.116.152.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB — —
94.116.184.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB — —
94.116.196.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB — —
94.116.236.0/22 1.0K
0.0%
Andrews & Arnold Ltd GB — —
94.194.88.0/22 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
99.1%
Andrews & Arnold Ltd GB — —
194.4.172.0/22 1.0K
99.6%
Andrews & Arnold Ltd GB — —
81.2.64.0/23 512
96.3%
Andrews & Arnold Ltd GB England East Finchley
81.187.40.0/23 512
90.4%
Andrews & Arnold Ltd GB — —
81.187.50.0/23 512
97.7%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.130.0/23 512
99.4%
Andrews & Arnold Ltd GB — —
81.187.206.0/23 512
93.0%
Andrews & Arnold Ltd GB England Hertford
81.187.230.0/23 512
98.2%
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
31.3%
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
97.7%
Andrews & Arnold Ltd GB England City of Westminster
81.187.23.0/24 256
79.3%
Andrews & Arnold Ltd GB England City of Westminster
81.187.43.0/24 256
98.8%
Andrews & Arnold Ltd GB — —
81.187.48.0/24 256
96.1%
Andrews & Arnold Ltd GB England Tower Hamlets
81.187.129.0/24 256
99.6%
Andrews & Arnold Ltd GB — —
81.187.205.0/24 256
90.6%
Andrews & Arnold Ltd GB England Hertford
81.187.229.0/24 256
93.4%
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
14.5%
Andrews & Arnold Ltd GB — —
91.208.66.0/24 256
8.6%
Andrews & Arnold Ltd GB — —
91.240.176.0/24 256
100.0%
Andrews & Arnold Ltd GB — —
91.242.172.0/24 256
0.4%
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
90.155.67.0/24 38,470 2026-10-05 11:50:23
90.155.53.0/24 38,465 2026-10-05 11:50:23
91.244.239.0/24 31,041 2026-10-05 11:50:23
81.2.90.0/24 20,305 2026-06-26 13:15:39
44.31.91.0/24 14,169 2026-10-05 11:50:15
44.30.117.0/24 14,166 2026-10-05 11:50:15
51.194.130.0/24 13,825 2026-10-05 11:50:19
81.187.30.0/23 13,125 2026-10-05 11:50:23
188.220.10.0/24 12,780 2026-10-05 11:50:19
90.155.0.0/22 12,620 2026-10-05 11:50:23
192.150.92.0/24 12,602 2026-10-05 11:50:33
90.155.4.0/22 12,579 2026-10-05 11:50:23
5.172.160.0/20 12,539 2026-10-05 11:49:39
45.134.251.0/24 12,407 2026-10-05 11:50:17
45.134.249.0/24 12,231 2026-10-05 11:50:17
91.200.61.0/24 12,160 2026-10-05 11:50:23
45.129.89.0/24 12,159 2026-10-05 11:50:17
45.139.33.0/24 12,085 2026-10-05 11:50:17
45.139.35.0/24 12,078 2026-10-05 11:50:17
45.142.205.0/24 12,072 2026-10-05 11:50:17
45.142.207.0/24 12,070 2026-10-05 11:50:17
45.135.11.0/24 12,061 2026-10-05 11:50:17
45.139.231.0/24 12,060 2026-10-05 11:50:17
45.89.39.0/24 12,057 2026-10-05 11:50:17
45.144.159.0/24 12,056 2026-10-05 11:50:17
45.88.23.0/24 12,054 2026-10-05 11:50:17
45.136.219.0/24 12,047 2026-10-05 11:50:17
45.140.71.0/24 12,047 2026-10-05 11:50:17
45.138.77.0/24 12,045 2026-10-05 11:50:17
45.138.79.0/24 12,044 2026-10-05 11:50:17
45.139.229.0/24 12,043 2026-10-05 11:50:17
45.140.215.0/24 12,043 2026-10-05 11:50:17
45.144.157.0/24 12,041 2026-10-05 11:50:17
90.155.0.0/18 12,037 2026-10-05 11:50:23
45.141.49.0/24 12,037 2026-10-05 11:50:17
45.140.134.0/24 12,036 2026-10-05 11:50:17
45.135.9.0/24 12,035 2026-10-05 11:50:17
45.141.51.0/24 12,034 2026-10-05 11:50:17
45.136.217.0/24 12,032 2026-10-05 11:50:17
90.155.96.0/20 12,031 2026-10-05 11:50:23
45.88.21.0/24 12,030 2026-10-05 11:50:17
45.129.91.0/24 12,023 2026-10-05 11:50:17
45.92.3.0/24 12,021 2026-10-05 11:50:17
45.140.69.0/24 12,020 2026-10-05 11:50:17
90.155.64.0/19 12,018 2026-10-05 11:50:23
91.190.105.0/24 12,017 2026-10-05 11:50:17
45.89.37.0/24 12,012 2026-10-05 11:50:17
91.190.97.0/24 12,001 2026-10-05 11:50:17
44.32.156.0/24 11,913 2026-10-05 11:50:15
44.31.166.0/24 11,908 2026-10-05 11:50:15

Showing top 50 of 91 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 148.5K 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: 2026-10-05 11:54:05 UTC
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