Data as of Nov 11, 2026
145.192.0.0/12
No anonymizer spaceSurf B.V.
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 145. | 1,703,936 | SURFNET-NEW-PARENT | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Nov 10, 2026 | cert@ |
| └ 145.192.0.0/16 | 65,536 | SURFNET-BLOCKB188 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.193.0.0/16 | 65,536 | SURFNET-BLOCKB189 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.194.0.0/16 | 65,536 | SURFNET-BLOCKB190 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.195.0.0/16 | 65,536 | SURFNET-BLOCKB191 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.196.0.0/16 | 65,536 | SURFNET-BLOCKB192 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.197.0.0/16 | 65,536 | SURFNET-BLOCKB193 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.198.0.0/16 | 65,536 | SURFNET-BLOCKB194 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.199.0.0/16 | 65,536 | SURFNET-BLOCKB195 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.200.0.0/16 | 65,536 | SURFNET-BLOCKB196 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.201.0.0/16 | 65,536 | SURFNET-BLOCKB197 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.202.0.0/16 | 65,536 | SURFNET-BLOCKB198 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.203.0.0/16 | 65,536 | SURFNET-BLOCKB199 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.204.0.0/16 | 65,536 | SURFNET-BLOCKB200 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.205.0.0/16 | 65,536 | SURFNET-BLOCKB201 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.206.0.0/16 | 65,536 | SURFNET-BLOCKB202 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
| └ 145.207.0.0/16 | 65,536 | SURFNET-BLOCKB203 | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Sep 9, 2003 | cert@ |
Network & registry
IPv4 market
Holder
- Organization
- Surf B.V.
- Handle
- ORG-SB3-RIPE
- Range
- 145.
192. 0. 0 - 145. 217. 255. 255 - Registration type
- LEGACY
- Record created
- Nov 10, 2026
- Legacy
- yes
Origin network
AS1101
NL
- Name
- Surf B.V.
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- as1101.net
- Website
- as1101.net/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2005
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1101 | RIPE | SURFnet CIDR Block III a | SN-LIR-MNT | Nov 28, 2005 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 145.207.18.0/24 | AS39743 | NTTCOM | AT Culture Entertainment Limited (Customer route) | MAINT-AS9381 | Feb 27, 2020 |
Whois
Registration for this announcement
145.192.0.0/12 spans several registrations: 17 records are listed under Registrations.
- Registrant country
- EU
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- cert@
surfcert. nl - Name
- SURF Network Maintainer
- Handle
- SNS1-RIPE
- Network
- 145.
192. 0. 0/ 12