Data as of Nov 13, 2026
178.249.154.0/30
No anonymizer space · no proxy exits in 30 daysA2B IP B.V.
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 178.249.152.0/21 | 2,048 | NL-A2BIP3-20100526 | A2B IP B.V. (ORG-AIB25-RIPE) · NL | ALLOCATED PA | Dec 22, 2022 | abuse@ |
| └ 178.249.154.0/30 | 4 | A2B-ALK-DWVSOL-INFRA | /30 subnet to DWV FW | ASSIGNED PA | Jan 14, 2011 | abuse@ via NL-A2BIP3-20100526 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 178.249.152.0/21
- Prefix
- 178.249.152.0/21
- Announced by
- AS51088 A2B IP B.V.
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- NL-A2BIP3-20100526
- Registrant
- A2B IP B.V.
- RIR
- RIPE NCC
Origin network
AS51088
NL
- Name
- A2B IP B.V.
- Type
- Internet provider
- Registered
- May 28, 2010
- Domain
- a2b-internet.com
- Website
- www.a2b-internet.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 178.249.152.0/21
178.249.152.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2010
- Current origin since
- Jul 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 178.249.152.0/21 | AS51088 | /21 | RIPE | RPKI valid |
IRR
Route objects on 178.249.152.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS51088 | RIPE | A2B Internet BV | A2B-INTERNET-MNT PREFIXBROKER-MNT | Sep 30, 2020 |
Whois
Registration for this announcement
- Range
- 178.
249. 152. 0/ 21 - Netname
- NL-A2BIP3-20100526
- Registrant
- A2B IP B.V.
- Registrant country
- NL
- Organization
- A2B IP B.V. (ORG-AIB25-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Dec 22, 2022
- Updated
- Aug 7, 2025
- Maintainer
- A2B-INTERNET-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- May 26, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
a2b-internet. com - Name
- A2B Internet Role-Object
- Handle
- AS51088-RIPE