J2 Global Denmark A/S
BGP inherited
Cluster stats
| Netblocks | 8 · 11,769 IPv4 addresses |
| All fragments | 12 blocks across 3 clusters |
| Cluster ID | 209090170 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.104.192.0/19 | J2 Global Denmark A/S | RIPE | ALLOCATED PA | ● low |
| 185.38.180.0/22 | J2 Global Denmark A/S | RIPE | ALLOCATED PA | ● low |
| 185.195.0.0/22 | J2 Global Denmark A/S | RIPE | ALLOCATED PA | ● low |
| 193.238.184.0/24 | J2 Global Denmark A/S | RIPE | ALLOCATED PA | ● low |
| 193.238.186.0/23 | J2 Global Denmark A/S | RIPE | ALLOCATED PA | ● low |
| 195.242.120.0/23 | J2 Global Denmark A/S | RIPE | ASSIGNED PI | ● low |
| 195.245.210.0/24 | J2 Global Denmark A/S | RIPE | ASSIGNED PI | ● low |
| 2a01:77c0::/32 | J2 Global Denmark A/S | RIPE | ALLOCATED-BY-RIR | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “J2 Global Denmark” — 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.
- J2-Global-Denmark-A 2 blocks
- J2-Global-Denmark-B 2 blocks
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.
- two Global Denmark AS NET 1 via GlobalConnect A/S sub-allocation
Network trust
what's this?
RPKI hygiene: C
how networks compare →
62.5%
of checked blocks have valid RPKI ROA coverage
(5 of 8)
Possible discrepancies (1)
These blocks are registered to J2 Global Denmark A/S 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.
| 185.195.0.0/22 /22 | authorized for AS14618 — Amazon.com, Inc. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
MNT-COMENDO
ORG-CA779-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT