AS1133 - surfnet.nl
AS1133 SURFnet bv
as-block: AS1101 - AS1200 descr: RIPE NCC ASN block remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region. mnt-by: RIPE-NCC-HM-MNT created: 2018-11-22T15:27:09Z last-modified: 2018-11-22T15:27:09Z source: RIPE aut-num: AS1133 as-name: UTWENTE-AS descr: University Twente descr: Drienerlolaan 5 descr: P.O. Box 217 descr: NL - 7500 AE Enschede admin-c: Ins20-RIPE tech-c: Ins20-RIPE status: LEGACY mnt-by: SN-LIR-MNT created: 2002-08-21T16:06:37Z last-modified: 2017-06-12T14:47:02Z source: RIPE mnt-by: RIPE-NCC-LEGACY-MNT org: ORG-Sb3-RIPE organisation: ORG-Sb3-RIPE org-name: SURFnet bv org-type: LIR address: P.O. Box 19035 address: 3501 DA address: Utrecht address: NETHERLANDS phone: +31887873000 e-mail: firstname.lastname@example.org admin-c: HT3384-RIPE admin-c: MK512-RIPE admin-c: SNS1-RIPE admin-c: JK9622-RIPE admin-c: WB311-RIPE admin-c: NO17-RIPE admin-c: RS957-RIPE admin-c: SM12780-RIPE abuse-c: SNS1-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: SN-LIR-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: SN-LIR-MNT created: 2004-04-17T11:43:29Z last-modified: 2018-11-08T14:23:24Z source: RIPE role: ITBE network services address: P.O. Box 217 address: NL - 7500 AE Enschede address: The Netherlands remarks: For general abuse like spam use the address remarks: email@example.com remarks: For security related contacts use the address remarks: firstname.lastname@example.org phone: +31 53 489 2311 admin-c: Ins21-RIPE tech-c: Ins21-RIPE nic-hdl: Ins20-RIPE e-mail: email@example.com notify: lir@SURFnet.nl mnt-by: SN-LIR-MNT created: 2003-11-13T15:29:05Z last-modified: 2003-11-14T11:21:33Z source: RIPE
IP Address Ranges
There are 455 domain names hosted across 131 IP addresses on this ASN. Checkout our API to access full domain hosting information.
There is 1 peer for this ASN.
There is 1 upstream for this ASN.
There are no downstreams for this ASN.
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP.
Find out more about AS1133 at robtex.