No ACK Group Holding AB
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 18 · 5,120 IPv4 addresses |
| IPv6 | 7 prefixes (largest 2a0c:5700::/29) |
| Registered in | Sweden (11) · Croatia (1) · LA (1) |
| Also registered under this name | 29 netblocks across 2 separate records |
| Record ID | 241868861 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.63.188.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● high |
| 2001:df3:e000::/48 | No ACK Group Holding AB | BGP | ANNOUNCED | ● high |
| 2402:8d80::/32 | No ACK Group Holding AB | BGP | ANNOUNCED | ● high |
| 31.22.91.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 31.22.92.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 31.22.93.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 31.22.94.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 150.40.98.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 185.231.100.0/22 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 192.121.239.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 195.47.238.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 2a0c:5700::/29 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 2a0c:5700:3135::/48 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 2a0c:5700:3136::/48 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 2a0c:5700:5353::/48 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 31.22.88.0/21 | No ACK Group Holding AB | RIPE | ALLOCATED PA | ● low |
| 185.109.84.0/22 | No ACK Group Holding AB | RIPE | ALLOCATED PA | ● low |
| 2a03:1300::/32 | No ACK Group Holding AB | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (7)
Footprint over time
12 weekly snapshots · JSON
21
+1 netblocks since 2026-07-05
2026-07-05
peak 21
2026-09-13
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.5%
of checked blocks have valid RPKI ROA coverage
(19 of 21)
Possible discrepancies (3)
These blocks are registered to No ACK Group Holding AB 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.
| 2a03:1300::/32 /32 | authorized for AS13214 — Hans Fredrik Lennart Neij |
| 31.22.88.0/21 /21 | authorized for AS13214 — Hans Fredrik Lennart Neij |
| 150.40.98.0/24 /24 | authorized for AS57050 — DreamServer S.R.L. |
NIC Handles
AS211619
AS30893
AS35634
AS57050
DUMY-RIPE
DUMY-RIPE
MAINT-LAODC-LA
MNT-NOACKHOSTING
MNT-NOACKHOSTING
ORG-NAHA3-RIPE
RESILANS-MNT
RIPE-NCC-END-MNT
+2 more