ASN Lookup Tool

Tomas Oliveira Valente Leite de Castro leitecastro.com PT PT 5 Routes

AS Data

AS200454

AS200454 – Tomas Oliveira Valente Leite de Castro

AS Number 200454
AS Name TOM-AS
Organization Tomas Oliveira Valente Leite de Castro(org-tovl1-ripe)
Country PT
Website leitecastro.com
Number of IPv4 Routes 2
Number of IPv6 Routes 3
ASN type INDIVIDUAL
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2022-12-19

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Use ASN data for AS200454 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2a0f:b241:10::/48 ~1×10²⁴
131.143.87.0/24 256
2a0a:6040:aa00::/40 ~309×10²⁴
2602:faa5::/36 ~5×10²⁷
199.16.241.0/24 256

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 'AS200352 - AS203022'

as-block:       AS200352 - AS203022
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:        2024-10-03T13:30:54Z
last-modified:  2024-10-03T13:30:54Z
source:         RIPE

% Information related to 'AS200454'

% Abuse contact for 'AS200454' is 'tomas.leite.castro@tecnico.ulisboa.pt'

aut-num:        AS200454
descr:          Tomas Oliveira Valente Leite de Castro
as-name:        TOM-AS
remarks:        ----------------------------------------------------------------
remarks:        Some things in life can never be fully appreciated nor
remarks:        understood unless experienced firsthand. Some things in
remarks:        networking can never be fully understood by someone who neither
remarks:        builds commercial networking equipment nor runs an operational
remarks:        network.
remarks:        ----------------------------------------------------------------
org:            ORG-TOVL1-RIPE
remarks:        For full list of Communities available please visit https://bgp.tools/communities/200454
remarks:        RPKI invalid routes are dropped
remarks:        +-------------------+
remarks:        | Network Upstreams |
remarks:        +-------------------+
remarks:        ------------------- Hurricane Electric LLC -------------------
mp-import:      afi ipv4.unicast from AS6939 action pref=70; accept ANY
mp-import:      afi ipv6.unicast from AS6939 action pref=70; accept ANY
mp-export:      afi ipv4.unicast to AS6939 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS6939 announce AS-LEGACY
remarks:        ------------------- Cogent Communications --------------------
mp-import:      afi ipv4.unicast from AS174 action pref=50; accept ANY
mp-import:      afi ipv6.unicast from AS174 action pref=50; accept ANY
mp-export:      afi ipv4.unicast to AS174 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS174 announce AS-LEGACY
remarks:        --------------------------- GVVME ----------------------------
mp-import:      afi ipv4.unicast from AS12186 action pref=70; accept ANY
mp-import:      afi ipv6.unicast from AS12186 action pref=70; accept ANY
mp-export:      afi ipv4.unicast to AS12186 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS12186 announce AS-LEGACY
remarks:        --------------------------- EDGOO ----------------------------
mp-import:      afi ipv4.unicast from AS47787 action pref=70; accept ANY
mp-import:      afi ipv6.unicast from AS47787 action pref=70; accept ANY
mp-export:      afi ipv4.unicast to AS47787 action community.append(0:1930, 12833:1930); announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS47787 action community.append(0:1930, 12833:1930); announce AS-LEGACY
remarks:        +-------------------------+
remarks:        | Peering - IX and others |
remarks:        +-------------------------+
remarks:        ---------------------------- KCIX ----------------------------
mp-import:      afi ipv4.unicast from AS40542 action pref=200; accept AS-KCIX-MEMBERS
mp-import:      afi ipv6.unicast from AS40542 action pref=200; accept AS-KCIX-MEMBERS
mp-export:      afi ipv4.unicast to AS40542 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS40542 announce AS-LEGACY
remarks:        --------------------------- LIS-IX ---------------------------
mp-import:      afi ipv4.unicast from AS33733 action pref=200; accept AS33733:AS-RSPEERS
mp-import:      afi ipv6.unicast from AS33733 action pref=200; accept AS33733:AS-RSPEERS
mp-export:      afi ipv4.unicast to AS33733 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS33733 announce AS-LEGACY
remarks:        ------------------------- Cloudflare -------------------------
mp-import:      afi ipv4.unicast from AS13335 action pref=400; accept AS-CLOUDFLARE
mp-import:      afi ipv6.unicast from AS13335 action pref=400; accept AS-CLOUDFLARE
mp-export:      afi ipv4.unicast to AS13335 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS13335 announce AS-LEGACY
remarks:        -------------------------- AUSRA LLC -------------------------
mp-import:      afi ipv4.unicast from AS400818 action pref=400; accept AS-AUSRA
mp-import:      afi ipv6.unicast from AS400818 action pref=400; accept AS-AUSRA
mp-export:      afi ipv4.unicast to AS400818 announce AS-LEGACY
mp-export:      afi ipv6.unicast to AS400818 announce AS-LEGACY
remarks:        +-------------+
remarks:        | Downstreams |
remarks:        +-------------+
remarks:        --------------------------AS214913 ---------------------------
mp-import:      afi ipv4.unicast from AS214913 action pref=400; accept AS214913
mp-import:      afi ipv6.unicast from AS214913 action pref=400; accept AS214913
mp-export:      afi ipv4.unicast to AS214913 announce ANY
mp-export:      afi ipv6.unicast to AS214913 announce ANY
remarks:        ------------------------ RIPE K-ROOT -------------------------
mp-import:      afi ipv4.unicast from AS25152 action pref=400; accept RS-KROOT
mp-import:      afi ipv6.unicast from AS25152 action pref=400; accept RS-KROOT-V6
mp-export:      afi ipv4.unicast to AS25152 announce ANY
mp-export:      afi ipv6.unicast to AS25152 announce ANY
remarks:        ------------------------ S�lvio Silva ------------------------
mp-import:      afi ipv4.unicast from AS215153 accept AS215153:AS-CONE
mp-import:      afi ipv6.unicast from AS215153 accept AS215153:AS-CONE
mp-export:      afi ipv4.unicast to AS215153 announce ANY
mp-export:      afi ipv6.unicast to AS215153 announce ANY
remarks:        --------------------------- AS112 ----------------------------
mp-import:      afi ipv4.unicast from AS112 accept AS112
mp-import:      afi ipv6.unicast from AS112 accept AS112
mp-export:      afi ipv4.unicast to AS112 announce ANY
mp-export:      afi ipv6.unicast to AS112 announce ANY
remarks:        +---------------------------------------------------+
remarks:        | Abuse issues please contact abuse@leitecastro.com |
remarks:        +---------------------------------------------------+
sponsoring-org: ORG-FUL13-RIPE
admin-c:        ACRO49236-RIPE
tech-c:         ACRO49236-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CASTRO-MNT
created:        2022-12-19T10:39:52Z
last-modified:  2025-10-03T03:13:16Z
source:         RIPE # Filtered

organisation:   ORG-TOVL1-RIPE
org-name:       Tomas Oliveira Valente Leite de Castro
country:        PT
org-type:       OTHER
remarks:        Physical Address
address:        Avenida Elias Garcia 31, 4E
address:        1000-148 Lisbon
address:        Portugal
abuse-c:        ACRO49236-RIPE
mnt-ref:        FEMBOY-MNT
mnt-ref:        CLOUDIE-MNT
mnt-ref:        ROUTE48-MNT
mnt-by:         CASTRO-MNT
created:        2022-07-26T13:57:43Z
last-modified:  2024-06-17T15:09:02Z
source:         RIPE # Filtered

role:           Abuse contact role object
address:        Tomas Leite de Castro
address:        Avenida Elias Garcia 31, 4E
address:        1000-148 Lisbon
address:        Portugal
abuse-mailbox:  tomas.leite.castro@tecnico.ulisboa.pt
nic-hdl:        ACRO49236-RIPE
mnt-by:         CASTRO-MNT
created:        2022-07-26T13:57:09Z
last-modified:  2025-11-18T16:33:32Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121 (SHETLAND)

Parsed Whois Response

Peers

AS Number Description Country
AS21738 Rozint US
AS2906 Netflix Streaming Services Inc. US
AS200242 Ember Ana Reimer DE
AS393577 Tritan Development US
AS40536 PixelDeck Hosting, LLC US
AS215248 Bastiaan Mathijs Brink NL
AS32943 Web of Nevada US
AS399647 Rumble USA Inc. US
AS3856 Packet Clearing House, Inc. US
AS53597 Hoyos Consulting LLC US

Upstreams

AS Number Description Country
AS6939 Hurricane Electric LLC US
AS12186 GVVME US

Downstreams

AS Number Description Country
AS19577 CASTRO TELECOM LLC US

Contacts

Email Contacts

tomas.leite.castro@tecnico.ulisboa.pt

Abuse Contacts

tomas.leite.castro@tecnico.ulisboa.pt

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Frequently Asked Questions

ASN AS200454 is an Autonomous System Number used to identify a network for BGP internet routing.
AS200454 is listed under Tomas Oliveira Valente Leite de Castro.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.