Data as of Nov 5, 2026
145.220.0.0/16
No anonymizer space · no proxy exits in 30 daysSurf 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 |
|---|---|---|---|---|---|---|
| 145.220.0.0/16 | 65,536 | NETSURF-NET | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | — | cert@ |
| └ 145.220.91.16/29 | 8 | hadrian | unknown | LEGACY | Nov 5, 2025 | cert@ via NETSURF-NET |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 65,535 | >99% | 2 | |
| Hosting | 1 | <0.01% | 1 |
Network & registry
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
- Jul 2007
- Current origin since
- Jul 2007 · 19 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 145.
220. 0. 0/ 16 - Netname
- NETSURF-NET
- Registrant
- Surf B.V.
- Registrant country
- NL
- Organization
- Surf B.V. (ORG-SB3-RIPE)
- Org country
- NL
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Oct 2, 2025
- Maintainer
- RIPE-NCC-LEGACY-MNT
- 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