Autonomous System details
AS20712
Andrews & Arnold LTD — aa.net.uk
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Summary
| Country |
 United Kingdom
|
| Organization | Andrews & Arnold LTD |
| Domain | aa.net.uk |
| Number of IPv4 | 147,200 |
| Number of IPv6 | 1.8323× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | August 12, 2002 (about 23 years ago) |
| Updated | June 20, 2025 (about 25 days ago) |
IP Ranges
AS20712 announces 69 IPv4 ranges and 22 IPv6 ranges.
That's a total of 147,200 IPv4 addresses and 1.8323× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 5.172.160.0/20 |
None Specified
|
4,096 | RIPE NCC | ASSIGNED PA |
| 44.31.166.0/24 |
 Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 44.31.241.0/24 |
Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 44.32.156.0/24 |
Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 45.88.21.0/24 |
LONDON-GB-45-88-21-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.88.23.0/24 |
LONDON-GB-45-88-23-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.89.37.0/24 |
LONDON-GB-45-89-37-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.89.39.0/24 |
LONDON-GB-45-89-39-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.92.3.0/24 |
LONDON-GB-45-92-3-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.129.89.0/24 |
LONDON-GB-45-129-89-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.129.91.0/24 |
LONDON-GB-45-129-91-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.134.249.0/24 |
LONDON-GB-45-134-249-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.134.251.0/24 |
LONDON-GB-45-134-251-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.135.9.0/24 |
LONDON-GB-45-135-9-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.135.11.0/24 |
LONDON-GB-45-135-11-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.136.217.0/24 |
LONDON-GB-45-136-217-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.136.219.0/24 |
LONDON-GB-45-136-219-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.138.77.0/24 |
LONDON-GB-45-138-77-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.138.79.0/24 |
LONDON-GB-45-138-79-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.139.33.0/24 |
LONDON-GB-45-139-33-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.139.35.0/24 |
LONDON-GB-45-139-35-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.139.229.0/24 |
LONDON-GB-45-139-229-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.139.231.0/24 |
LONDON-GB-45-139-231-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.140.69.0/24 |
LONDON-GB-45-140-69-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.140.71.0/24 |
LONDON-GB-45-140-71-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.140.134.0/24 |
LONDON-GB-45-140-134-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.140.215.0/24 |
LONDON-GB-45-140-215-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.141.49.0/24 |
LONDON-GB-45-141-49-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.141.51.0/24 |
LONDON-GB-45-141-51-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.142.205.0/24 |
LONDON-GB-45-142-205-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.142.207.0/24 |
LONDON-GB-45-142-207-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.144.157.0/24 |
LONDON-GB-45-144-157-0
|
256 | RIPE NCC | ASSIGNED PA |
| 45.144.159.0/24 |
LONDON-GB-45-144-159-0
|
256 | RIPE NCC | ASSIGNED PA |
| 81.2.64.0/18 |
None Specified
|
16,384 | RIPE NCC | ASSIGNED PA |
| 81.187.0.0/16 |
Office Lan
|
65,536 | RIPE NCC | ASSIGNED PA |
| 81.187.30.0/23 |
Blue Square Lan
|
512 | RIPE NCC | ASSIGNED PA |
| 90.155.0.0/18 |
Andrews & Arnold LTD
|
16,384 | RIPE NCC | ALLOCATED PA |
| 90.155.0.0/22 |
Andrews & Arnold LTD
|
1,024 | RIPE NCC | ALLOCATED PA |
| 90.155.0.0/24 |
Andrews & Arnold LTD
|
256 | RIPE NCC | ALLOCATED PA |
| 90.155.4.0/22 |
None Specified
|
1,024 | RIPE NCC | ASSIGNED PA |
| 90.155.53.0/24 |
Telehouse North Lan
|
256 | RIPE NCC | ASSIGNED PA |
| 90.155.62.0/24 |
None Specified
|
256 | RIPE NCC | ASSIGNED PA |
| 90.155.64.0/19 |
None Specified
|
8,192 | RIPE NCC | ASSIGNED PA |
| 90.155.67.0/24 |
Andrews & Arnold LTD
|
256 | RIPE NCC | ALLOCATED PA |
| 90.155.96.0/20 |
Andrews & Arnold LTD
|
4,096 | RIPE NCC | ALLOCATED PA |
| 91.190.97.0/24 |
LONDON-GB-91-190-97-0
|
256 | RIPE NCC | ASSIGNED PA |
| 91.190.105.0/24 |
LONDON-GB-91-190-105-0
|
256 | RIPE NCC | ASSIGNED PA |
| 91.200.61.0/24 |
MICHAEL SIMPSON
|
256 | RIPE NCC | ASSIGNED PI |
| 91.208.66.0/24 |
Officenet Systems LTD
|
256 | RIPE NCC | ASSIGNED PI |
| 91.240.176.0/24 |
Thrall Horde
|
256 | RIPE NCC | ASSIGNED PI |
| 91.242.172.0/24 |
Sdmc Consulting Limited
|
256 | RIPE NCC | ASSIGNED PI |
| 91.244.239.0/24 |
Eye Pea Ltd.
|
256 | RIPE NCC | ASSIGNED PI |
| 93.187.168.0/24 |
Village Networks Ltd.
|
256 | RIPE NCC | ALLOCATED PA |
| 109.205.152.0/22 |
AVBLOCK1
|
1,024 | RIPE NCC | ASSIGNED PA |
| 109.205.156.0/24 |
AVBLOCK2
|
256 | RIPE NCC | ASSIGNED PA |
| 176.110.118.0/24 |
DEDICATED PROGRAMMES LTD
|
256 | RIPE NCC | ASSIGNED PI |
| 176.123.222.0/24 |
Borg Electronics
|
256 | RIPE NCC | ASSIGNED PI |
| 178.211.150.0/24 |
LONDON-GB-178-211-150-0
|
256 | RIPE NCC | ASSIGNED PA |
| 178.238.144.0/20 |
None Specified
|
4,096 | RIPE NCC | ASSIGNED PA |
| 185.6.132.0/23 |
Kijoma Broadband
|
512 | RIPE NCC | ASSIGNED PA |
| 188.191.132.0/22 |
Philip Cullen Limited
|
1,024 | RIPE NCC | ASSIGNED PI |
| 192.150.92.0/24 |
Andrews & Arnold LTD
|
256 | RIPE NCC | LEGACY |
| 193.219.118.0/24 |
Internet Holdings LTD
|
256 | RIPE NCC | ASSIGNED PI |
| 193.239.174.0/23 |
Milliways Investments LTD
|
512 | RIPE NCC | ASSIGNED PI |
| 194.4.172.0/22 |
None Specified
|
1,024 | RIPE NCC | ASSIGNED PA |
| 194.60.203.0/24 |
Peter Ilieve
|
256 | RIPE NCC | ASSIGNED PI |
| 194.62.124.0/24 |
Thomas Keating LTD
|
256 | RIPE NCC | ASSIGNED PI |
| 194.70.3.0/24 |
The Flirble Organisation
|
256 | RIPE NCC | ASSIGNED PA |
| 217.169.0.0/19 |
None Specified
|
8,192 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:678:3c4::/48 |
Officenet Systems LTD
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:678:c40::/48 |
James Colderwood
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:788::/48 |
Internet Holdings LTD
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:1270::/48 |
MICHAEL SIMPSON
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:2058::/48 |
Gary Hawkins
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:2a40::/48 |
Thrall Horde
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:2a4c::/48 |
James Beck
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:2e80::/48 |
Chris Boot
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:8b0::/48 |
A&a Servers And Machines
|
1.2089× 1024 | RIPE NCC | ASSIGNED |
| 2001:8b0::/34 |
A&a Servers And Machines
|
1.9807× 1028 | RIPE NCC | ASSIGNED |
| 2001:8b0::/32 |
A&a Servers And Machines
|
7.9228× 1028 | RIPE NCC | ASSIGNED |
| 2001:8b0:0:40::/60 |
A&a Servers And Machines
|
2.9515× 1020 | RIPE NCC | ASSIGNED |
| 2001:8b0:0:60::/60 |
A&a Servers And Machines
|
2.9515× 1020 | RIPE NCC | ASSIGNED |
| 2001:8b0:1::/48 |
None Specified
|
1.2089× 1024 | RIPE NCC | ASSIGNED |
| 2001:8b0:1628::/48 |
None Specified
|
1.2089× 1024 | RIPE NCC | ASSIGNED |
| 2001:8b0:4000::/36 |
Andrews & Arnold LTD
|
4.9518× 1027 | RIPE NCC | ALLOCATED-BY-RIR |
| 2001:8b6::/32 |
Andrews & Arnold LTD
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2001:8b6:1::/48 |
Andrews & Arnold LTD
|
1.2089× 1024 | RIPE NCC | ALLOCATED-BY-RIR |
| 2001:8b6:2::/48 |
Andrews & Arnold LTD
|
1.2089× 1024 | RIPE NCC | ALLOCATED-BY-RIR |
| 2001:8b6:3::/48 |
Andrews & Arnold LTD
|
1.2089× 1024 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a00:8e00:1::/48 |
Yorkshire Tech Adsl
|
1.2089× 1024 | RIPE NCC | AGGREGATED-BY-LIR |
| 2a03:3a40:2000::/48 |
Home Allocation
|
1.2089× 1024 | RIPE NCC | ALLOCATED-BY-LIR |
Peers
AS20712 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS917
AS1031
AS1267
AS1828
AS1921
AS2603
AS3170
AS3214
AS3216
AS3223
AS3741
AS4455
AS4637
AS5413
AS5631
AS5713
AS6233
AS6424
AS6507
AS6717
AS6894
AS6939
AS7195
AS7575
AS8218
AS8220
AS8426
AS8455
AS8544
AS8681
AS9009
AS9044
AS10310
AS12200
AS12390
AS12496
AS12552
AS12969
AS13030
AS13237
AS13414
AS14537
AS14630
AS15412
AS15830
AS16164
AS16247
AS16552
AS17639
AS18106
AS20562
AS20764
AS21215
AS23106
AS24482
AS24916
AS25091
AS25152
AS25160
AS25369
AS25376
AS28792
AS29075
AS30844
AS31122
AS31742
AS32590
AS33353
AS34177
AS34224
AS34288
AS34549
AS34927
AS35266
AS35280
AS35313
AS36351
AS37100
AS37468
AS37497
AS37662
AS37721
AS38880
AS39120
AS39122
AS39351
AS39356
AS39602
AS40934
AS41327
AS41354
AS41811
AS42473
AS42947
AS45352
AS45758
AS47957
AS48070
AS48362
AS49544
AS49600
AS50300
AS50304
AS50629
AS50823
AS51185
AS52320
AS54113
AS58511
AS59624
AS60610
AS61124
AS61568
AS62167
AS62275
AS63927
AS137409
AS199452
AS200070
AS200700
AS201864
AS203582
AS206530
AS207841
AS212027
AS213241
AS263152
AS271253
AS396986
AS398465
Upstreams
AS20712 connects to the global Internet via at least 5 upstream providers. In this setup, AS20712 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS20712 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS20712's role in extending Internet access beyond its own infrastructure.