MERKLE UK ONE LIMITED
Merkle UK One Limited
GLEIF verified
LEI
213800HEN558T136HV53
Registered name
MERKLE UK ONE LIMITED
Jurisdiction
Ultimate parent
株式会社電通グループ
5299007PBBE83ZLJZG91
Cluster stats
| Netblocks | 124 |
| All fragments | 145 blocks across 7 clusters |
| Cluster ID | 191593452 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800HEN558T136HV53 |
| Shared handles | clustered on 37 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
124
0 netblocks since 2026-07-05
2026-07-05
peak 124
2026-07-12
IP Ranges (124)
showing 50 of 124 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 24.170.128.0/18 | Centersquare | ARIN | ● high | |
| 24.170.128.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.132.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.136.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.140.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.144.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.148.0/22 | Centersquare | BGP | ANNOUNCED | ● high |
| 24.170.154.0/23 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.45.171.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.144.0/20 | Centersquare | ARIN | ● high | |
| 45.78.146.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.147.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.149.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.150.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.151.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.152.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.153.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.154.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.155.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.156.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.157.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 45.78.159.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.192.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.192.0/19 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.193.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.194.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.195.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.196.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.199.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.200.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.201.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.202.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.203.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.204.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.205.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.206.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.207.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.208.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.209.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.210.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.211.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.212.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.213.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.214.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.215.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.216.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.217.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.218.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.219.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
| 64.255.220.0/24 | Centersquare | BGP | ANNOUNCED | ● high |
Corporate group (4 confirmed entities)
+2 additional unconfirmed candidates not shown — full list (JSON)- Dentsu Danmark A/S 16 blocks
- Merkle Inc. 4 blocks
- Merkle Switzerland AG 2 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.1%
of checked blocks have valid RPKI ROA coverage
(108 of 124)
Possible discrepancies (108)
These blocks are registered to Merkle UK One Limited but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2600:cc01::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc04::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc06::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc07::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc08::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc09::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc0a::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc0b::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc0c::/32 /32 | authorized for AS12213 — Centersquare |
| 2600:cc0e::/32 /32 | authorized for AS12213 — Centersquare |
| 2604:7ac0::/40 /40 | authorized for AS12213 — Centersquare |
| 2604:7ac0:100::/40 /40 | authorized for AS12213 — Centersquare |
| 2604:7ac0:200::/40 /40 | authorized for AS12213 — Centersquare |
| 2604:7ac0:300::/40 /40 | authorized for AS12213 — Centersquare |
| 2604:7ac0:400::/40 /40 | authorized for AS12213 — Centersquare |
+93 more — see the REST API
NIC Handles
ABUSE7809-ARIN
AMBLE2-ARIN
AMBLE2-ARIN
AMBLE2-ARIN
AMBLE2-ARIN
AS12213
AS32298
AS398014
C10950286
CANNA32-ARIN
CANNA32-ARIN
CTUL-3
+25 more