What is ASN AS205378?

ASN AS205378 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS205378?

AS205378 is listed under Yellow Dinosaur, Unip Lda.

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?

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AS205378 Yellow Dinosaur, Unip Lda

ASN Lookup Tool

Yellow Dinosaur, Unip Lda as205378.net

PT 6 Routes

AS Data

AS205378

AS205378 – Yellow Dinosaur, Unip Lda

AS Number	205378
AS Name	Y3D
Organization	Yellow Dinosaur, Unip Lda (org-ydul1-ripe)
Country	PT
Website	as205378.net
Number of IPv4 Routes	1
Number of IPv6 Routes	5
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-08-15

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Use ASN data for AS205378 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0f:6284:46f0::/48	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	~1×10²⁴
2a0f:6284:46aa::/48	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	~1×10²⁴
2a0f:6284:46ea::/48	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	~1×10²⁴
2a0f:6284:46ff::/48	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	~1×10²⁴
2a0f:6284:46ba::/48	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	~1×10²⁴
194.169.156.0/24	AS205378	Yellow Dinosaur, Unip Lda	Yellow Dinosaur, Unip Lda	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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS205378'

% Abuse contact for 'AS205378' is 'abuse@as205378.net'

aut-num:        AS205378
as-name:        Y3D
descr:          Yellow Dinosaur ASN
org:            ORG-YDUL1-RIPE
sponsoring-org: ORG-ICL64-RIPE
import:         from AS205378:AS-UPSTREAMS accept ANY
export:         to AS205378:AS-UPSTREAMS announce AS205378
admin-c:        YD1391-RIPE
tech-c:         YD1391-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         YELLOW-DINOSAUR-MNT
created:        2025-08-15T12:46:15Z
last-modified:  2025-08-17T22:36:45Z
source:         RIPE

organisation:   ORG-YDUL1-RIPE
org-name:       Yellow Dinosaur, Unip Lda
country:        PT
org-type:       OTHER
address:        Rua Campo Futebol, 41, Ourem, Santarem, 2490-316, PT
abuse-c:        ACRO61365-RIPE
mnt-ref:        INFERNO-MNT
mnt-ref:        HYEHOST-MNT
mnt-by:         YELLOW-DINOSAUR-MNT
created:        2025-08-13T12:01:00Z
last-modified:  2025-10-16T09:26:31Z
source:         RIPE # Filtered

role:           Yellow Dinosaur
address:        Rua Campo Futebol, 41, Ourem, Santarem, 2490-316, PT
nic-hdl:        YD1391-RIPE
mnt-by:         YELLOW-DINOSAUR-MNT
created:        2025-08-13T11:53:03Z
last-modified:  2025-08-13T11:53:03Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS205378",
    "as_name" : "Y3D",
    "description" : [ "Yellow Dinosaur ASN" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS205378:AS-UPSTREAMS accept ANY" ],
    "export" : [ "to AS205378:AS-UPSTREAMS announce AS205378" ],
    "organization" : "ORG-YDUL1-RIPE",
    "sponsoring_organization" : "ORG-ICL64-RIPE",
    "admin_contacts" : [ "YD1391-RIPE" ],
    "tech_contacts" : [ "YD1391-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "YELLOW-DINOSAUR-MNT" ],
    "date_created" : "2025-08-15",
    "date_updated" : "2025-08-17",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-YDUL1-RIPE",
    "name" : "Yellow Dinosaur, Unip Lda",
    "type" : "OTHER",
    "address" : [ "Rua Campo Futebol, 41, Ourem, Santarem, 2490-316, PT" ],
    "street" : "Rua Campo Futebol",
    "city" : "Ourem",
    "district" : "Santarem",
    "zip_code" : "2490-316",
    "country" : [ "PT" ],
    "abuse_contacts" : [ "ACRO61365-RIPE" ],
    "mnt_ref" : [ "INFERNO-MNT", "HYEHOST-MNT" ],
    "mnt_by" : [ "YELLOW-DINOSAUR-MNT" ],
    "date_created" : "2025-08-13",
    "date_updated" : "2025-10-16",
    "source" : "RIPE",
    "addressCountry" : "PT"
  },
  "administrative_contacts" : [ {
    "handle" : "YD1391-RIPE",
    "name" : "Yellow Dinosaur",
    "address" : [ "Rua Campo Futebol, 41, Ourem, Santarem, 2490-316, PT" ],
    "street" : "Rua Campo Futebol",
    "city" : "Ourem",
    "district" : "Santarem",
    "zip_code" : "2490-316",
    "country" : "PT",
    "mnt_by" : [ "YELLOW-DINOSAUR-MNT" ],
    "date_created" : "2025-08-13",
    "date_updated" : "2025-08-13",
    "source" : "RIPE",
    "addressCountry" : "PT"
  } ],
  "technical_contacts" : [ {
    "handle" : "YD1391-RIPE",
    "name" : "Yellow Dinosaur",
    "address" : [ "Rua Campo Futebol, 41, Ourem, Santarem, 2490-316, PT" ],
    "street" : "Rua Campo Futebol",
    "city" : "Ourem",
    "district" : "Santarem",
    "zip_code" : "2490-316",
    "country" : "PT",
    "mnt_by" : [ "YELLOW-DINOSAUR-MNT" ],
    "date_created" : "2025-08-13",
    "date_updated" : "2025-08-13",
    "source" : "RIPE",
    "addressCountry" : "PT"
  } ]
}

Peers

AS Number	Description	Country
AS37988	Alpha Layer Pty Ltd	AU
AS52025	ParadoxNetworks Limited	GB

Upstreams

AS Number	Description	Country
AS37988	Alpha Layer Pty Ltd	AU
AS52025	ParadoxNetworks Limited	GB