YLEM GROUP LIMITED
Ylem
GLEIF verified
LEI
2138009A3JAN2T731536
Registered name
YLEM GROUP LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 8 · 1,020 IPv4 addresses |
| All fragments | 14 blocks across 7 clusters |
| Cluster ID | 208797418 |
| Registry | APNIC |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 2138009A3JAN2T731536 |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
8
0 netblocks since 2026-07-13
2026-07-13
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.240.89.0/24 | Ylem | BGP | ANNOUNCED | ● high |
| 185.130.49.0/24 | Ylem | BGP | ANNOUNCED | ● high |
| 2001:7f8:d0::3:166c:1/128 | Ylem | PEERINGDB | ASSIGNED | ● high |
| 2001:df7:22c0::/48 | Ylem | BGP | ANNOUNCED | ● high |
| 91.240.89.0/24 | Ylem | APNIC | ALLOCATED PORTABLE | ● low |
| 185.130.49.0/24 | Ylem | APNIC | ALLOCATED PORTABLE | ● low |
| 2001:df7:22c0::/48 | Ylem | APNIC | ASSIGNED PORTABLE | ● low |
| 2a00:2381:e371::/48 | YLEM-LTD | RIPE | AGGREGATED-BY-LIR | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “Ylem” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- YLEM-KR-2 via Amazon.com, Inc. sub-allocation
- Foylemeats via Vodafone Group PLC sub-allocation
- YLEM-RES sub-allocation
- KYLEMORE-VEC via Enet Communications LIMITED sub-allocation
- XYLEME-FR via Societe Francaise Du Radiotelephone - SFR SA sub-allocation
- YLEMLTD via Vodafone Group PLC sub-allocation
- YLEM-UK sub-allocation
- YLEMSRL sub-allocation
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.5%
of checked blocks have valid RPKI ROA coverage
(7 of 8)
Possible discrepancies (5)
These blocks are registered to Ylem 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:e371::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2001:df7:22c0::/48 /48 | authorized for AS14618 — Amazon.com, Inc. |
| 2001:df7:22c0::/48 /48 | authorized for AS14618 — Amazon.com, Inc. |
| 185.130.49.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 185.130.49.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
NIC Handles
APNIC-HM
AS16509
AS202348
AS202348
AY614-AP
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MAINT-YLEM1-KR
ORG-YA23-AP
YMKA1-AP
YMKA1-AP