ASN AS42236 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS42236?

AS42236 is listed under DTU Science Park a/s.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS42236 DTU Science Park a/s | IPGeolocation.io

ASN Lookup Tool

DTU Science Park a/s dtusciencepark.dk

DK 9 Routes

AS Data

AS42236

AS42236 – DTU Science Park a/s

AS Number	42236
AS Name	ITM8-AS
Organization	DTU Science Park a/s (org-dspa3-ripe)
Country	DK
Website	dtusciencepark.dk
Number of IPv4 Routes	8
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2007-01-19

ASN Intelligence API for production workflows

Use ASN data for AS42236 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
77.72.49.0/24	AS42236	Itm8 A/S	ITM8 A S NET	256
77.72.54.0/24	AS42236	Itm8 A/S	Itm8 A/S	256
77.72.50.0/24	AS42236	Itm8 A/S	ITM8 A S NET	256
77.72.51.0/24	AS42236	Itm8 A/S	ITM8 A S NET	256
77.72.55.0/24	AS42236	Itm8 A/S	Itm8 A/S	256
2a05:f700:fffe::/48	AS42236	Itm8 A/S	Itm8 A/S	~1×10²⁴
77.72.53.0/24	AS42236	Itm8 A/S	Itm8 A/S	256
77.72.48.0/24	AS42236	Itm8 A/S	ITM8 A S NET	256
77.72.52.0/24	AS42236	Itm8 A/S	Itm8 A/S	256

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS42173 - AS42381'

as-block:       AS42173 - AS42381
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS42236'

% Abuse contact for 'AS42236' is 'abuse@dtusciencepark.dk'

aut-num:        AS42236
as-name:        ITM8-AS
org:            ORG-DSPA3-RIPE
import:         from AS31027 accept ANY
import:         from AS1835 accept ANY
export:         to AS31027 announce AS42236
export:         to AS1835 announce AS42236
admin-c:        DSPR1-RIPE
tech-c:         DSPR1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-dk-dtusciencepark-1-MNT
created:        2007-01-19T13:22:08Z
last-modified:  2026-04-23T17:32:50Z
source:         RIPE

organisation:   ORG-DSPA3-RIPE
org-name:       DTU Science Park a/s
country:        DK
org-type:       LIR
address:        Agern Alle 5A
address:        DK-2970
address:        H�rsholm
address:        DENMARK
phone:          +4545864100
admin-c:        DSPR1-RIPE
tech-c:         DSPR1-RIPE
abuse-c:        AR79164-RIPE
mnt-ref:        lir-dk-dtusciencepark-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-dk-dtusciencepark-1-MNT
created:        2025-11-19T08:30:51Z
last-modified:  2026-04-17T12:24:04Z
source:         RIPE # Filtered

role:           DTU Science Park RIPE Contact
address:        DENMARK
address:        H�rhsolm
address:        DK-2970
address:        Agern Alle 5A
phone:          +4545864100
nic-hdl:        DSPR1-RIPE
mnt-by:         lir-dk-dtusciencepark-1-MNT
created:        2025-11-19T08:30:51Z
last-modified:  2025-11-19T08:30:51Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS42173 - AS42381",
    "description" : [ "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" ],
    "date_created" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS42236",
    "as_name" : "ITM8-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS31027 accept ANY", "from AS1835 accept ANY" ],
    "export" : [ "to AS31027 announce AS42236", "to AS1835 announce AS42236" ],
    "organization" : "ORG-DSPA3-RIPE",
    "admin_contacts" : [ "DSPR1-RIPE" ],
    "tech_contacts" : [ "DSPR1-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-dk-dtusciencepark-1-MNT" ],
    "date_created" : "2007-01-19",
    "date_updated" : "2026-04-23",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-DSPA3-RIPE",
    "name" : "DTU Science Park a/s",
    "type" : "LIR",
    "address" : [ "Agern Alle 5A", "DK-2970", "H?rsholm", "DENMARK" ],
    "street" : "H?",
    "city" : "Rsholm",
    "zip_code" : "DK-2970",
    "country" : [ "DK" ],
    "phone" : [ "+4545864100" ],
    "admin_contacts" : [ "DSPR1-RIPE" ],
    "tech_contacts" : [ "DSPR1-RIPE" ],
    "abuse_contacts" : [ "AR79164-RIPE" ],
    "mnt_ref" : [ "lir-dk-dtusciencepark-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-dk-dtusciencepark-1-MNT" ],
    "date_created" : "2025-11-19",
    "date_updated" : "2026-04-17",
    "source" : "RIPE",
    "addressCountry" : "DENMARK"
  },
  "administrative_contacts" : [ {
    "handle" : "DSPR1-RIPE",
    "name" : "DTU Science Park RIPE Contact",
    "address" : [ "DENMARK", "H?rhsolm", "DK-2970", "Agern Alle 5A" ],
    "street" : "Agern Alle",
    "zip_code" : "DK-2970",
    "phone" : [ "+4545864100" ],
    "mnt_by" : [ "lir-dk-dtusciencepark-1-MNT" ],
    "date_created" : "2025-11-19",
    "date_updated" : "2025-11-19",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "DSPR1-RIPE",
    "name" : "DTU Science Park RIPE Contact",
    "address" : [ "DENMARK", "H?rhsolm", "DK-2970", "Agern Alle 5A" ],
    "street" : "Agern Alle",
    "zip_code" : "DK-2970",
    "phone" : [ "+4545864100" ],
    "mnt_by" : [ "lir-dk-dtusciencepark-1-MNT" ],
    "date_created" : "2025-11-19",
    "date_updated" : "2025-11-19",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS1835	Forskningsnettet Danish network for Research and Education	NL
AS31027	GlobalConnect A/S	DK

Upstreams

AS Number	Description	Country
AS1835	Forskningsnettet Danish network for Research and Education	NL
AS31027	GlobalConnect A/S	DK