AS Number
AS200454
AS Name
TOM-AS
Org Name
Tomas Oliveira Valente Leite de Castro
Country / Region
Portugal
Registry

ripe

RegDate

Updated

2026-04-08T13:28:00Z

AS200454 Looking Glass
https://lg.castrotelecom.net
IPv4Prefixes

2

IPv6Prefixes

3

IPv4 NUMs

512

IPv6 NUMs(/64)

16,908,288

CIDR Description IP Num
23.147.168.0/24
IRR Valid
CASTRO TELECOM LLC 256
131.143.87.0/24
CASTRO TELECOM LLC 256
CIDR Description IP NUMs(prefix /64)
2602:faa5::/48
IRR Valid
CASTRO TELECOM LLC 65536
2a0a:6040:aa00::/40
IRR Valid
Tomas Oliveira Valente Leite de Castro 16777216
2a0f:b241:10::/48
IRR Valid
GoCodeIT Inc 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS12186 GVVME - GVVME, US United States 1,536 4,296,015,872 IPv4 IPv4 IPv6 IPv6
AS50666 LIGAT - LigaT Telecom Sociedade Unipessoal LDA, PT Portugal 1,792 34,359,738,368 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS19577 CASTRO-TELECOM - CASTRO TELECOM LLC, US United States 1,024 4,294,967,296 IPv4 IPv4
AS33733 CASTRO-TELECOM - CASTRO TELECOM LLC, US United States 1,280 0 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Portugal LIS-IX - Lisbon Internet eXchange 23.147.168.98 2602:faa5:200::2 20 Gbps 2026-04-06 20:13:24
United States KCIX - Kansas City Internet Exchange 206.51.7.188 2001:504:1b:1::188 10 Gbps 2026-04-06 20:13:23

Private Peering Facilities

Country / Region Name City Website Updated
ONI Telecom Lisbon Matinha Lisbon https://www.oni.pt/ 2023-07-26 20:58:57
1530 SWIFT - NOCIX North Kansas City http://www.1530swift.com 2023-07-31 00:50:28
Centersquare Los Angeles (LAX5) Irvine https://centersquaredc.com/data-centers/los-angeles 2023-12-14 06:38:42

Whois Record

as-block AS200352 - AS200535

as-block
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
2026-04-08T13:28:00Z
last-modified
2026-04-08T13:28:00Z
source
RIPE

aut-num AS200454

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

organisation ORG-TOVL1-RIPE

organisation
ORG-TOVL1-RIPE
org-name
Tomas Oliveira Valente Leite de Castro
country
PT
reg-nr
Not Applicable
org-type
OTHER
remarks
Physical Address
address
Avenida Elias Garcia 31, 4E
1000-148 Lisbon
Portugal
e-mail
abuse-c
ACRO49236-RIPE
mnt-ref
FEMBOY-MNT
CLOUDIE-MNT
ROUTE48-MNT
mnt-by
CASTRO-MNT
created
2022-07-26T13:57:43Z
last-modified
2026-05-13T06:00:27Z
source
RIPE

role Abuse contact role object

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

as-block:       AS200352 - AS200535
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:        2026-04-08T13:28:00Z
last-modified:  2026-04-08T13:28:00Z
source:         RIPE



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:        ------------------------ Sílvio 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 [email protected] |
remarks:        +---------------------------------------------------+
sponsoring-org: ORG-FUL13-RIPE
notify:         [email protected]
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

organisation:   ORG-TOVL1-RIPE
org-name:       Tomas Oliveira Valente Leite de Castro
country:        PT
reg-nr:         Not Applicable
org-type:       OTHER
remarks:        Physical Address
address:        Avenida Elias Garcia 31, 4E
address:        1000-148 Lisbon
address:        Portugal
e-mail:         [email protected]
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:  2026-05-13T06:00:27Z
source:         RIPE

role:           Abuse contact role object
address:        Tomas Leite de Castro
address:        Avenida Elias Garcia 31, 4E
address:        1000-148 Lisbon
address:        Portugal
e-mail:         [email protected]
abuse-mailbox:  [email protected]
nic-hdl:        ACRO49236-RIPE
mnt-by:         CASTRO-MNT
created:        2022-07-26T13:57:09Z
last-modified:  2025-11-18T16:33:32Z
source:         RIPE