HomeASN LookupAS20712

AS20712 AS20712 Andrews & Arnold Ltd

🇬🇧

Org handle: ORG-AAL2-RIPE

Andrews & Arnold Ltd

RIPE NCCallocated
Announced Prefixes (BGP)
109total
88 IPv421 IPv6
IPv4 Addresses
Allocated (RIR)143,104
Announced (BGP)157,184
IPv6 Addresses
Allocated (RIR)2×10²⁵
Announced (BGP)1×10²⁹
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
100
Country
🇬🇧 GB
RIR
RIPE NCC
Status
allocated
Allocated
2002-08-12

Routing hygiene

Score 7/100 · Low risk
RPKI ROA coverage
85.3%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
1
0 announced against others' ROAs, 1 own announced by others
Upstreams
6
diversity 75/100
  • 15% of announced prefixes (16 of 109) have no valid ROA

Based on 109 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)109
|
Prefix
RPKI
IRR
Last Seen
5.172.160.0/20
 Valid
RIPE
2026-10-26
44.30.117.0/24
No ROA
Other IRR
2026-10-26
44.31.91.0/24
No ROA
Other IRR
2026-10-26
44.31.166.0/24
No ROA
Other IRR
2026-10-26
44.31.241.0/24
No ROA
Other IRR
2026-10-26
44.32.156.0/24
No ROA
Other IRR
2026-10-26
45.88.21.0/24
 Valid
RIPE
2026-10-26
45.88.23.0/24
 Valid
RIPE
2026-10-26
45.89.37.0/24
 Valid
RIPE
2026-10-26
45.89.39.0/24
 Valid
RIPE
2026-10-26
1-10 of 109
1 / 11

Allocated Prefixes

(RIR)78
Prefix
Country
RIR
Status
5.172.160.0/20🇬🇧 GBRIPENCCallocated
45.88.21.0/24🇬🇧 GBRIPEassigned
45.88.23.0/24🇬🇧 GBRIPEassigned
45.89.37.0/24🇬🇧 GBRIPEassigned
45.89.39.0/24🇬🇧 GBRIPEassigned
45.92.3.0/24🇬🇧 GBRIPEassigned
45.129.89.0/24🇬🇧 GBRIPEassigned
45.129.91.0/24🇬🇧 GBRIPEassigned
45.134.249.0/24🇬🇧 GBRIPEassigned
45.134.251.0/24🇬🇧 GBRIPEassigned
1-10 of 78
1 / 8

All 109 announced prefixes of AS20712 →

Downstream Customers(6)

ASNName
AS48444🇬🇧INTER-NET-UK Internet Ltd
AS199109🇬🇧FruburyNet Guy Fenn-Newbury
AS200279🇬🇧DOUWES-NET Thomas Douwes
AS206392🇬🇧HACKWORTH_UK Hackworth Ltd
AS207754🇬🇧COLDERWOOD James Colderwood
AS208665🇬🇧TELEKLINE-AS Gareth Pulham

BGP Neighbours

(seen in AS paths)

Upstreams (6)

Networks AS20712 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS1299TWELVE99 Arelion Sweden AB26
  • AS174Cogent Communications25
  • AS6204ZET NET INTERKVM HOST25
  • AS2914NTT America24
  • AS6939Hurricane Electric8
  • AS12703PULSANT (Scotland)1

Downstreams (23)

Networks whose own prefixes AS20712 passes on: usually its customers.

  • AS48901DSNET CSP DSNET6
  • AS209669PRIMONET Ashley Primo4
  • AS48444INTER NET UK Internet3
  • AS200279DOUWES NET Thomas Douwes3
  • AS207754COLDERWOOD James Colderwood3
  • AS12290EXONETRIC Consulting2
  • AS47988PHOTOSOFPICKLES Charles Allom2
  • AS198219CHARLIE Camilleri2
  • AS199165SHIBBOLEET2
  • AS209600AS209600 Livefix Technical Solutions Group Limited2
  • AS213626BIONIC NETWORK Bionic.Network2
  • AS215833AblativeConsulting Ablative Consulting2
  • AS12613FIREBRICK Limited1
  • AS29478JUNESTA Karl Dyson1
  • AS43442PROVU Communications1
  • AS62374Andymace Andy Mace1
  • AS199109FruburyNet Guy Fenn Newbury1
  • AS201694RethinkTS Rethink Technology Solutions1
  • AS204660Tiger Technologies Limited Tiger Technologies Limited1
  • AS206392HACKWORTH UK Hackworth1
  • AS211371TELET Research (N.I) Limited1
  • AS211431AndrewA Andrew Aubury1
  • AS215768Infected Systems Alex Haydock1

Other adjacent networks (1)

Adjacent to AS20712 in the transit part of AS paths: peers, providers or customers.

ASPA
No ASPA0 upstreams, 6 downstreams
Listed as Upstream Provider by
6 ASNs
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/20712

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/20712" | jq