Data as of Nov 3, 2026
145.61.200.0/23
No anonymizer space · no proxy exits in 30 daysDXC US Latin America Corporation · space held by Surf B.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 145.61.200.0/22 since Nov 2024 | AS3360 | Business | Surf B.V. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 145.61.200.0/24 since Nov 2024 | AS3360 | Business | Surf B.V. | |
| 145.61.201.0/24 since Nov 2024 | AS3360 | Business | Surf 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 |
|---|---|---|---|---|---|---|
| 145.61.0.0 - 145.62.255.255 | 131,072 | SURFNET-EARLY-REGISTRATIONS | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Aug 7, 2015 | [email protected] |
| └ 145.61.0.0/16 | 65,536 | ROBECO-GROUP | Robeco Nederland BV | LEGACY | — | [email protected] via SURFNET-EARLY-REGISTRATIONS |
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
IPv4 market
Holder
- Organization
- Surf B.V.
- Handle
- ORG-SB3-RIPE
- Range
- 145.61.0.0 - 145.62.255.255
- Registration type
- LEGACY
- Record created
- Aug 7, 2015
- Legacy
- yes
Origin network
AS3360
US
- Name
- DXC US Latin America Corporation
- Type
- Business
- Registered
- Dec 30, 1993
- Domain
- dxc.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2009
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 145.61.200.0/23 | AS6900 | /23 | RIPE | Another network |
| 145.61.200.0/22 | AS202 | /24 | RIPE | Another network |
| 145.61.200.0/22 | AS203 | /24 | RIPE | Another network |
| 145.61.200.0/22 | AS3356 | /24 | RIPE | Another network |
| 145.61.200.0/22 | AS3360 | /24 | RIPE | RPKI valid |
| 145.61.200.0/22 | AS6900 | /22 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 145.61.0.0/16
- Netname
- ROBECO-GROUP
- Registrant
- Robeco Nederland BV
- Registrant country
- NL
- Organization
- Robeco Nederland BV
- Org country
- NL
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Dec 4, 2019
- Maintainer
- AS9065-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- SURF Network Maintainer
- Handle
- SNS1-RIPE