NOMINET UK

Nominet UK
Data as of 2026-10-11
GLEIF verified
LEI
213800HDTPNVYW1S8525
Registered name
NOMINET UK
Jurisdiction
GB
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks130 · 30,256 IPv4 addresses
IPv6 65 prefixes (largest 2a01:618::/29)
Registered in United Kingdom (51) · Australia (10) · Sweden (4)
Record ID245485923
RegistryAPNIC
Owner jurisdictionGB
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 213800HDTPNVYW1S8525
Shared handles clustered on 25 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (130)

⬇ export CSV
CIDR Org name Registry Status Confidence
43.230.48.0/24 Nominet UK BGP ANNOUNCED ● high
43.230.49.0/24 Nominet UK BGP ANNOUNCED ● high
43.230.50.0/24 Nominet UK BGP ANNOUNCED ● high
43.230.51.0/24 Nominet UK BGP ANNOUNCED ● high
51.149.0.0/24 Nominet UK BGP ANNOUNCED ● high
51.149.1.0/24 Nominet UK BGP ANNOUNCED ● high
51.149.254.0/24 Nominet UK BGP ANNOUNCED ● high
51.149.255.0/24 Nominet UK BGP ANNOUNCED ● high
80.239.177.96/28 Nominet UK RIPE ASSIGNED PA ● high
80.239.220.176/29 Nominet UK RIPE ASSIGNED PA ● high
80.239.220.184/29 Nominet UK RIPE ASSIGNED PA ● high
103.49.80.0/24 Nominet UK BGP ANNOUNCED ● high
103.49.81.0/24 Nominet UK BGP ANNOUNCED ● high
103.49.82.0/24 Nominet UK BGP ANNOUNCED ● high
103.49.83.0/24 Nominet UK BGP ANNOUNCED ● high
149.20.96.0/22 Nominet UK BGP ANNOUNCED ● high
149.20.100.0/22 Nominet UK BGP ANNOUNCED ● high
149.20.104.0/22 Nominet UK BGP ANNOUNCED ● high
149.20.108.0/22 Nominet UK BGP ANNOUNCED ● high
185.127.140.0/24 Nominet UK BGP ANNOUNCED ● high
185.127.141.0/24 Nominet UK BGP ANNOUNCED ● high
185.127.142.0/24 Nominet UK BGP ANNOUNCED ● high
185.127.143.0/24 Nominet UK BGP ANNOUNCED ● high
194.227.193.0/24 NOMINET UK BGP ANNOUNCED ● high
194.227.194.0/24 Nominet UK BGP ANNOUNCED ● high
194.227.195.0/24 Nominet UK BGP ANNOUNCED ● high
195.12.225.32/28 Nominet UK RIPE ASSIGNED PA ● high
212.148.211.0/24 NOMINET UK BGP ANNOUNCED ● high
212.148.212.0/24 Nominet UK BGP ANNOUNCED ● high
212.148.213.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.192.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.193.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.194.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.200.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.201.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.202.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.203.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.204.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.205.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.206.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.207.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.216.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.217.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.218.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.219.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.220.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.221.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.222.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.223.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.224.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.225.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.226.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.227.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.228.0/23 Nominet UK BGP ANNOUNCED ● high
213.248.232.0/21 Nominet UK BGP ANNOUNCED ● high
213.248.240.0/21 Nominet UK BGP ANNOUNCED ● high
213.248.249.0/24 Nominet UK BGP ANNOUNCED ● high
213.248.252.0/23 Nominet UK BGP ANNOUNCED ● high
213.248.254.0/24 NOMINET UK BGP ANNOUNCED ● high
213.248.255.0/24 NOMINET UK BGP ANNOUNCED ● high
2001:2030:0:a::/64 Nominet UK RIPE ASSIGNED ● high
2001:2030:4::/48 Nominet UK RIPE ASSIGNED ● high
2001:2030:5::/48 Nominet UK RIPE ASSIGNED ● high
2401:fd80:105::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:106::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:107::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:108::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:1fd::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:1ff::/48 NOMINET UK BGP ANNOUNCED ● high
2401:fd80:400::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:401::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:402::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:403::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:404::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:405::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:406::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:407::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:408::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:409::/48 Nominet UK BGP ANNOUNCED ● high
2401:fd80:4ff::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:200::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:201::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:202::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:203::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:2fc::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:2fd::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:2fe::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:2ff::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:400::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:401::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:402::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:403::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:404::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:405::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:406::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:407::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:408::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:409::/48 Nominet UK BGP ANNOUNCED ● high
2a01:618:4ff::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:618:8000::/40 Nominet UK BGP ANNOUNCED ● high
2a01:618:8000::/33 Nominet UK BGP ANNOUNCED ● high
2a01:61c:1000::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:1100::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:1a00::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:2000::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:2100::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:2a00::/40 Nominet UK BGP ANNOUNCED ● high
2a01:61c:f001::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61c:f002::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:1::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:2::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:3::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:4::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:5::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:6::/48 Nominet UK BGP ANNOUNCED ● high
2a01:61e:fffc::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:61e:fffd::/48 NOMINET UK BGP ANNOUNCED ● high
2a01:61e:fffe::/48 NOMINET UK BGP ANNOUNCED ● high
2a0d:9b80::/48 Nominet UK BGP ANNOUNCED ● high
2a0d:9b80:1::/48 Nominet UK BGP ANNOUNCED ● high
2a0d:9b80:fe::/48 Nominet UK BGP ANNOUNCED ● high
2a0d:9b80:ff::/48 Nominet UK BGP ANNOUNCED ● high
43.230.48.0/22 NOMINET UK APNIC ALLOCATED PORTABLE ● low
103.49.80.0/22 NOMINET UK APNIC ALLOCATED PORTABLE ● low
149.20.96.0/19 Nominet UK RIPE LEGACY ● low
185.127.140.0/22 Nominet UK RIPE ALLOCATED PA ● low
213.248.192.0/18 Nominet UK RIPE ALLOCATED PA ● low
2401:fd80::/32 NOMINET UK APNIC ALLOCATED PORTABLE ● low
2a00:2381:eaf4::/48 NOMINET-UK RIPE AGGREGATED-BY-LIR ● low
2a01:618::/29 Nominet UK RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (65)

CIDR
2a01:618::/29
2401:fd80::/32
2a01:618:8000::/33
2a01:618:8000::/40
2a01:61c:1000::/40
2a01:61c:1100::/40
2a01:61c:1a00::/40
2a01:61c:2000::/40
2a01:61c:2100::/40
2a01:61c:2a00::/40
2001:2030:4::/48
2001:2030:5::/48
2401:fd80:105::/48
2401:fd80:106::/48
2401:fd80:107::/48
2401:fd80:108::/48
2401:fd80:1fd::/48
2401:fd80:1ff::/48
2401:fd80:400::/48
2401:fd80:401::/48
2401:fd80:402::/48
2401:fd80:403::/48
2401:fd80:404::/48
2401:fd80:405::/48
2401:fd80:406::/48
2401:fd80:407::/48
2401:fd80:408::/48
2401:fd80:409::/48
2401:fd80:4ff::/48
2a00:2381:eaf4::/48
2a01:618:200::/48
2a01:618:201::/48
2a01:618:202::/48
2a01:618:203::/48
2a01:618:2fc::/48
2a01:618:2fd::/48
2a01:618:2fe::/48
2a01:618:2ff::/48
2a01:618:400::/48
2a01:618:401::/48
2a01:618:402::/48
2a01:618:403::/48
2a01:618:404::/48
2a01:618:405::/48
2a01:618:406::/48
2a01:618:407::/48
2a01:618:408::/48
2a01:618:409::/48
2a01:618:4ff::/48
2a01:61c:f001::/48
2a01:61c:f002::/48
2a01:61e:1::/48
2a01:61e:2::/48
2a01:61e:3::/48
2a01:61e:4::/48
2a01:61e:5::/48
2a01:61e:6::/48
2a01:61e:fffc::/48
2a01:61e:fffd::/48
2a01:61e:fffe::/48
2a0d:9b80:1::/48
2a0d:9b80::/48
2a0d:9b80:fe::/48
2a0d:9b80:ff::/48
2001:2030:0:a::/64

Footprint over time

16 weekly snapshots · JSON
130 -27 netblocks since 2026-07-05
2026-07-05 peak 157 2026-10-11

Domains this organisation publishes

what's this?
nominet.org.uk

Other domains hosted in this network

what's this?
nominet.uk

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.6% of checked blocks have valid RPKI ROA coverage (123 of 130)
Possible discrepancies (3)

These blocks are registered to Nominet UK but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:eaf4::/48 /48 authorized for AS2856 — British Telecommunications Limited
2001:2030:4::/48 /48 authorized for AS1299 — Arelion Sweden AB
2001:2030:5::/48 /48 authorized for AS1299 — Arelion Sweden AB

NIC Handles

AN825-AP APNIC-HM AS137502 AS138177 AS206686 AS43519 AS8683 BTNET-MNT DUMY-RIPE DUMY-RIPE MAINT-NOMINET-AP MNT-UKNHS-DOMAINS +13 more