AS20712 AS20712 Andrews & Arnold Ltd

AS20712 Andrews & Arnold Ltd · registered in the United Kingdom

IPv4 addresses148,992108 prefixes · 0.005% of announced IPv4

Rank in United Kingdom#32largest network in GB by IPv4 space, of 2,074 · 0.22% of GB

Rank worldwide#1,335of 79,396 networks with IPv4

IPv61 x /32 (65,551 x /48)44 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS20712 in ASN lookup Look up an IP in this network (5.172.160.1) All networks in United Kingdom

IPv4 prefixes

All 108 prefixes, in address order.

5.172.160.0/20
44.30.117.0/24
44.31.91.0/24
44.31.166.0/24
44.31.241.0/24
44.32.156.0/24
45.88.21.0/24
45.88.23.0/24
45.89.37.0/24
45.89.39.0/24
45.92.3.0/24
45.129.89.0/24
45.129.91.0/24
45.134.249.0/24
45.134.251.0/24
45.135.9.0/24
45.135.11.0/24
45.136.217.0/24
45.136.219.0/24
45.138.77.0/24
45.138.79.0/24
45.139.33.0/24
45.139.35.0/24
45.139.229.0/24
45.139.231.0/24
45.140.69.0/24
45.140.71.0/24
45.140.134.0/24
45.140.215.0/24
45.141.49.0/24
45.141.51.0/24
45.142.205.0/24
45.142.207.0/24
45.144.157.0/24
45.144.159.0/24
51.146.73.0/24
51.194.130.0/24
81.2.64.0/18
81.187.0.0/19
81.187.32.0/21
81.187.40.0/23
81.187.43.0/24
81.187.44.0/22
81.187.48.0/20
81.187.64.0/19
81.187.112.0/20
81.187.129.0/24
81.187.130.0/23
81.187.132.0/22
81.187.136.0/21
81.187.144.0/20
81.187.160.0/19
81.187.192.0/18
87.232.230.0/24
90.155.0.0/21
90.155.8.0/21
90.155.16.0/20
90.155.32.0/20
90.155.48.0/22
90.155.52.0/23
90.155.54.0/23
90.155.56.0/22
90.155.60.0/23
90.155.62.0/24
90.155.63.0/24
90.155.64.0/22
90.155.68.0/22
90.155.72.0/21
90.155.80.0/20
90.155.96.0/20
91.190.97.0/24
91.190.105.0/24
91.200.61.0/24
91.208.66.0/24
91.240.176.0/24
91.242.172.0/24
91.244.239.0/24
93.187.168.0/24
94.116.12.0/22
94.116.32.0/22
94.116.152.0/22
94.116.184.0/22
94.116.196.0/22
94.116.236.0/22
94.194.88.0/22
109.205.152.0/22
109.205.156.0/24
176.110.118.0/24
176.123.222.0/24
178.211.150.0/24
178.238.144.0/20
185.6.132.0/23
188.191.132.0/22
188.220.10.0/24
188.220.192.0/24
188.220.206.0/24
188.220.217.0/24
188.221.11.0/24
188.221.23.0/24
188.221.98.0/24
188.221.189.0/24
192.67.4.0/24
192.150.92.0/24
194.4.172.0/22
194.60.203.0/24
194.62.124.0/24
194.70.3.0/24
217.169.0.0/19

IPv6 prefixes

All 44 prefixes.

2001:678:3c4::/48
2001:678:c40::/48
2001:67c:2bc::/48
2001:67c:1270::/48
2001:67c:2058::/48
2001:67c:2a40::/48
2001:67c:2a4c::/48
2001:67c:2e80::/48
2001:8b0::/47
2001:8b0:2::/47
2001:8b0:4::/46
2001:8b0:8::/45
2001:8b0:10::/44
2001:8b0:20::/43
2001:8b0:40::/42
2001:8b0:80::/41
2001:8b0:100::/40
2001:8b0:200::/39
2001:8b0:400::/38
2001:8b0:800::/37
2001:8b0:1000::/38
2001:8b0:1400::/39
2001:8b0:1600::/43
2001:8b0:1620::/45
2001:8b0:1628::/48
2001:8b0:1629::/48
2001:8b0:162a::/47
2001:8b0:162c::/46
2001:8b0:1630::/44
2001:8b0:1640::/42
2001:8b0:1680::/41
2001:8b0:1700::/40
2001:8b0:1800::/37
2001:8b0:2000::/35
2001:8b0:4000::/36
2001:8b0:5000::/36
2001:8b0:6000::/35
2001:8b0:8000::/33
2001:8b6:1::/48
2001:8b6:2::/47
2a00:8e00:1::/48
2a03:3a40:2000::/48
2a05:6346:200::/48
2a11:f2c0:ffc9::/48

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources