ASN AS6744 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS6744?

AS6744 is listed under Computer Technology Institute and Press Diophantus.

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.

AS6744 Computer Technology Institute and Press Diophantus

ASN Lookup Tool

Computer Technology Institute and Press Diophantus cti.gr

GR 1 Routes

AS Data

AS6744

AS6744 – Computer Technology Institute and Press Diophantus

AS Number	6744
AS Name	RACTI-NET
Organization	Computer Technology Institute and Press Diophantus (org-ract1-ripe)
Country	GR
Website	cti.gr
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	1970-01-01

ASN Intelligence API for production workflows

Use ASN data for AS6744 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
150.140.0.0/17	AS6744	Computer Technology Institute and Press Diophantus	Computer Technology Institute and Press Diophantus	32768

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 'AS6714 - AS6878'

as-block:       AS6714 - AS6878
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:        2018-11-22T15:27:23Z
last-modified:  2018-11-22T15:27:23Z
source:         RIPE

% Information related to 'AS6744'

% Abuse contact for 'AS6744' is 'noc@cti.gr'

aut-num:        AS6744
as-name:        RACTI-NET
org:            ORG-RACT1-RIPE
import:         from AS5408 action pref=100; accept AS5408 AS5400
import:         from AS5408 action pref=150; accept AS2546 AS3323
import:         from AS2546 action pref=100; accept AS2546
import:         from AS2546 action pref=150; accept AS5408 AS5400 AS3323 AS5470
export:         to AS5408 announce AS6744
export:         to AS2546 announce AS6744
default:        to AS5408 action pref=50; networks ANY
default:        to AS2546 action pref=100; networks ANY
admin-c:        CNOC1-RIPE
tech-c:         CNOC1-RIPE
remarks:        The core of PATRASnet is CTInet (the CTI Wide Area Network)
remarks:        which provides the gateways to national and international
remarks:        computer networks.
status:         ASSIGNED
mnt-by:         AS6744-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2017-11-15T09:13:22Z
source:         RIPE # Filtered
sponsoring-org: ORG-GRaT1-RIPE

organisation:   ORG-RACT1-RIPE
org-name:       Computer Technology Institute and Press "Diophantus"
country:        GR
org-type:       OTHER
address:        N. Kazantzaki Str.
address:        University of Patras Campus
address:        GR-26500 Rio, Hellas
mnt-ref:        GRNET-NOC
mnt-by:         GRNET-NOC
created:        2010-07-28T11:33:13Z
last-modified:  2023-07-24T09:32:10Z
source:         RIPE # Filtered
abuse-c:        AR22630-RIPE

person:         CTI NET NOC
address:        Network Operations Center (NOC)
                Research Academic
                Computer Technology Institute (CTI)
                N. Kazantzaki Str.,
                University of Patras Campus,
                GR-26500 Rio, Hellas
phone:          +30 2610 960330
fax-no:         +30 2610 960389
nic-hdl:        CNOC1-RIPE
mnt-by:         CTINET-NOC
created:        1970-01-01T00:00:00Z
last-modified:  2017-10-30T21:44:44Z
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" : "AS6714 - AS6878",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS6744",
    "as_name" : "RACTI-NET",
    "status" : "ASSIGNED",
    "import" : [ "from AS5408 action pref=100; accept AS5408 AS5400", "from AS5408 action pref=150; accept AS2546 AS3323", "from AS2546 action pref=100; accept AS2546", "from AS2546 action pref=150; accept AS5408 AS5400 AS3323 AS5470" ],
    "export" : [ "to AS5408 announce AS6744", "to AS2546 announce AS6744" ],
    "default" : [ "to AS5408 action pref=50; networks ANY", "to AS2546 action pref=100; networks ANY" ],
    "organization" : "ORG-RACT1-RIPE",
    "sponsoring_organization" : "ORG-GRaT1-RIPE",
    "admin_contacts" : [ "CNOC1-RIPE" ],
    "tech_contacts" : [ "CNOC1-RIPE" ],
    "remarks" : [ "The core of PATRASnet is CTInet (the CTI Wide Area Network)", "which provides the gateways to national and international", "computer networks." ],
    "mnt_by" : [ "AS6744-MNT", "RIPE-NCC-END-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2017-11-15",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-RACT1-RIPE",
    "name" : "Computer Technology Institute and Press \"Diophantus\"",
    "type" : "OTHER",
    "address" : [ "N. Kazantzaki Str.", "University of Patras Campus", "GR-26500 Rio, Hellas" ],
    "street" : "N. Kazantzaki Str.",
    "country" : [ "GR" ],
    "abuse_contacts" : [ "AR22630-RIPE" ],
    "mnt_ref" : [ "GRNET-NOC" ],
    "mnt_by" : [ "GRNET-NOC" ],
    "date_created" : "2010-07-28",
    "date_updated" : "2023-07-24",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "CNOC1-RIPE",
    "name" : "CTI NET NOC",
    "address" : [ "Network Operations Center (NOC)", "Research Academic", "Computer Technology Institute (CTI)", "N. Kazantzaki Str.,", "University of Patras Campus,", "GR-26500 Rio, Hellas" ],
    "phone" : [ "+30 2610 960330" ],
    "fax_no" : [ "+30 2610 960389" ],
    "mnt_by" : [ "CTINET-NOC" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2017-10-30",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CNOC1-RIPE",
    "name" : "CTI NET NOC",
    "address" : [ "Network Operations Center (NOC)", "Research Academic", "Computer Technology Institute (CTI)", "N. Kazantzaki Str.,", "University of Patras Campus,", "GR-26500 Rio, Hellas" ],
    "phone" : [ "+30 2610 960330" ],
    "fax_no" : [ "+30 2610 960389" ],
    "mnt_by" : [ "CTINET-NOC" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2017-10-30",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS5408	National Infrastructures for Research and Technology S.A.	GR
AS2546	National Center of Scientific Research DEMOKRITOS	GR

Upstreams

AS Number	Description	Country
AS5408	National Infrastructures for Research and Technology S.A.	GR