No ACK Group Holding AB
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 24 · 6,144 IPv4 addresses |
| IPv6 | 9 prefixes (largest 2a0c:5700::/29) |
| Registered in | Sweden (12) · United Arab Emirates (1) · Germany (1) · Finland (1) · Croatia (1) · LA (1) |
| Also registered under this name | 43 netblocks across 3 separate records |
| Record ID | 250216422 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 16 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 (24)
⬇ 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 |
| 89.125.12.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 150.40.98.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 153.52.86.0/24 | No ACK Group Holding AB | BGP | ANNOUNCED | ● medium |
| 164.138.6.0/24 | 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 |
| 193.234.38.0/24 | 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:5700:3133::/48 | 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:5700:4747::/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 (9)
Footprint over time
17 weekly snapshots · JSON
27
+7 netblocks since 2026-07-05
2026-07-05
peak 27
2026-10-18
Network trust
what's this?
RPKI hygiene: B
how networks compare →
92.6%
of checked blocks have valid RPKI ROA coverage
(25 of 27)
Possible discrepancies (4)
These blocks are registered to No ACK Group Holding AB but cryptographically authorized for a different, unrelated network (3 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 |
| 89.125.12.0/24 /24 | authorized for AS199412 — ANARCHY LAB S.R.L. |
| 150.40.98.0/24 /24 | authorized for AS57050 — DreamServer S.R.L. |
NIC Handles
AS199412
AS211619
AS30893
AS35634
AS57050
DUMY-RIPE
DUMY-RIPE
MAINT-LAODC-LA
MNT-NOACKHOSTING
MNT-NOACKHOSTING
ORG-NAHA3-RIPE
RESILANS-MNT
+4 more