Autonomous System details

AS200454

Tomas Oliveira Valente Leite de Castro  ·  leitecastro.com

Portugal
    Personal AS Icon Personal AS

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AS200454 – Tomas Oliveira Valente Leite de Castro

Field Value
Country Portugal
Website leitecastro.com
Hosted domains 9
IPv4 addresses 1,792
IPv6 addresses 310,693,935,640,959,697,899,487,232
ASN type ISP
Registry ripe
Allocated 3 years ago on Dec 19, 2022
Updated 2 months ago on Oct 03, 2025

IP Ranges

Netblock Company Num of IPs
199.16.240.0/22 Alpha1Servers, LLC 1,024
208.85.8.0/22 CASTRO TELECOM LLC 1,024
199.16.242.0/23 Alpha1Servers, LLC 512
208.85.8.0/23 CASTRO TELECOM LLC 512
23.147.168.0/24 CASTRO TELECOM LLC 256
131.143.87.0/24 CASTRO TELECOM LLC 256
Netblock Company
2a0a:6040:aa00::/40 Tomas Oliveira Valente Leite de Castro
2a0f:b241:10::/48 GoCodeIT Inc
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WHOIS Details

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                                                ASHandle:       AS200454
                                                OrgID:          AS200454
                                                ASName:         AS200454
                                                ASNumber:       AS200454
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 9 domain names hosted across 7 IP addresses on this ASN.

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IP Address Domain Domains on this IP
199.16.243.7 ██████████ 3
199.16.243.30 ██████████ 1
199.16.243.151 ██████ 1
199.16.243.63 ██████████ 1
199.16.240.196 ██████████ 1
199.16.243.10 ████████ 1
199.16.243.22 ██████████ 1

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Peers

There are 118 peers for this ASN.

Peers Name
AS1003 andrewnet
AS10242 US Internet Corp
AS10310 Yahoo Holdings Inc.
AS10750 Mark Twain Rural Telephone Co.
AS11232 Midcontinent Communications
AS11317 Great Plains Network
AS11320 LightEdge Solutions
AS11492 CABLE ONE, INC.
AS11597 Mercury Broadband
AS12186 GVVME
AS12198 JSMSR Network
AS13329 Kansas Fiber Network, LLC
AS13335 Cloudflare, Inc.
AS134094 Serverfield Co., Ltd.
AS13737 Interconnecx, LLC
AS13767 DataBank Holdings, Ltd.
AS13807 Great Plains Communications LLC
AS14363 MTC Communications, Inc.
AS14371 Paul Bunyan Communications
AS14593 Space Exploration Technologies Corporation
AS146950 Haruue Network Limited
AS150289 Sun Yanzheng
AS15164 Unite Private Networks LLC.
AS16604 HUNTEL.NET
AS16909 imput
AS17303 Disaster Networks, LLC
AS18451 LES.NET
AS19577 CASTRO TELECOM LLC
AS199310 XIN BING XIAN
AS200242 Ember Ana Reimer
AS202427 Ursin Filli
AS202562 Aperture Networks
AS203729 June Slater
AS205018 Irsyad Khoirul Anwar
AS206924 Ben Cartwright-Cox
AS207268 STRATEGIC EXPLORATIONS LTD
AS20940 Akamai International B.V.
AS210667 Adam Goodenough
AS211358 Patrizio Palumbo
AS215248 Bastiaan Mathijs Brink
AS216107 Frumentum Media
AS21737 SpringNet
AS21738 Rozint
AS22295 Advin Services LLC
AS23404 Ritter Communications
AS23428 ServerForge LLC
AS2495 Kansas Research and Education Network
AS2572 University of Missouri - dba the Missouri Research and Education Network (MOREnet)
AS25735 Sloth Networks
AS26156 Verus, LLC
AS26415 VeriSign Global Registry Services
AS26457 nonexiste.net
AS27425 IdeaTek Telcom, LLC
AS27523 Kawaii Networks LLC
AS2906 Netflix Streaming Services Inc.
AS30174 United Telephone Association, Inc.
AS30690 Kazehana Networks LLC
AS32030 VoIPster Communications, INC.
AS32097 WholeSale Internet, Inc.
AS328112 Linux Based Systems Design SA (Pty) Ltd
AS32943 Web of Nevada
AS33616 Co-Mo Comm Inc
AS34927 iFog GmbH
AS36236 NetActuate, Inc
AS3856 Packet Clearing House, Inc.
AS393442 United Electric Cooperative
AS393577 Tritan Development
AS393796 Golden Belt Telephone
AS395662 OzarksGo, LLC
AS396998 Path Network, Inc.
AS397244 Tackitt, Inc.
AS397732 Net Vision Communications, LLC
AS399503 Dice Carrier Services LLC
AS399647 Rumble USA Inc.
AS399898 Conexon Connect
AS399924 All Neins LLC
AS400146 DIAMOND STATE NETWORKS, LLC
AS400818 Ausra LLC
AS401332 Triplebit
AS401538 Nova86
AS40536 PixelDeck Hosting, LLC
AS40581 Arkansas Research and Education Optical Network
AS40663 IncogNet LLC
AS40916 Evalse, LLC
AS4150 SupraNet Communications, Inc.
AS42 WoodyNet, Inc.
AS44324 MoeDove LLC
AS44354 BROCK VOJKOVIC
AS44421 Yifu Yu
AS46515 Toons of the World Foundation
AS46824 NameCrane LLC
AS47272 HYEHOST LLC
AS47311 PT Atharva Telematika Persada
AS5056 Aureon Network Services
AS5078 Oklahoma Network for Education Enrichment and
AS52025 ParadoxNetworks Limited
AS52210 Accuris Technologies Ltd.
AS53356 Free Range Cloud Hosting Inc.
AS53597 Hoyos Consulting LLC
AS53610 Metro Communications Company, Inc.
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS12186 GVVME
AS6939 Hurricane Electric LLC
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Downstreams

There are 2 downstreams for this ASN.

Downstreams Name
AS19577 CASTRO TELECOM LLC
AS6939 Hurricane Electric LLC
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ASN API & Database

Pingable IPs

4 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
208.85.8.116 AS200454 Tomas Oliveira Valente Leite de Castro 0.33ms from Kansas City, US
2a0f:b241:10::1 AS200454 Tomas Oliveira Valente Leite de Castro 0.42ms from Kansas City, US
2a0a:6040:aaaa::1 AS200454 Tomas Oliveira Valente Leite de Castro 0.29ms from Kansas City, US
2a0a:6040:aa00:: AS200454 Tomas Oliveira Valente Leite de Castro 0.30ms from Kansas City, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
122.161.190.166 AS24560 Bharti Airtel Ltd., Telemedia Services 2.84ms from Ahmedabad, IN
222.153.201.38 AS4771 Spark New Zealand Trading Ltd. 0.81ms from Auckland, NZ
181.58.90.230 AS10620 Telmex Colombia S.A. 8.36ms from Bogota, CO
14.106.244.150 AS4134 CHINANET-BACKBONE 2.51ms from Chongqing, CN
80.73.113.118 AS20902 DegNet GmbH 6.50ms from Frankfurt am Main, DE
218.17.129.230 AS4134 CHINANET-BACKBONE 1.08ms from Guangzhou, CN
27.76.175.86 AS7552 Viettel Group 4.30ms from Guangzhou, CN
125.161.184.54 AS7713 PT Telekomunikasi Indonesia 13.69ms from Jakarta, ID
92.46.85.166 AS9198 JSC Kazakhtelecom 7.07ms from Karagandy, KZ
174.4.205.246 AS6327 Shaw Communications 4.67ms from Kelowna, CA
47.150.81.166 AS5650 Frontier Communications of America, Inc. 3.98ms from Los Angeles, US
95.236.111.22 AS3269 Telecom Italia S.p.A. 5.76ms from Milan, IT
93.210.104.182 AS3320 Deutsche Telekom AG 4.65ms from Nuernberg, DE
73.104.70.22 AS7922 Comcast Cable Communications, LLC 7.07ms from Orlando, US
82.134.27.6 AS8542 Eviny Fiber AS 8.16ms from Sandefjord, NO
187.245.213.214 AS262916 Mega Cable, S.A. de C.V. 10.24ms from Santiago de Querétaro, MX
133.106.15.70 AS138384 Rakuten Mobile Network, Inc. 1.33ms from Tokyo, JP
78.110.229.22 AS43566 tyntec GmbH 3.47ms from Duesseldorf, DE
91.26.77.150 AS3320 Deutsche Telekom AG 0.83ms from Frankfurt am Main, DE
76.88.136.54 AS20001 Charter Communications Inc 7.52ms from Honolulu, US
81.138.85.230 AS2856 British Telecommunications PLC 17.17ms from London, GB
87.127.115.150 AS8468 ENTANET International Limited 9.24ms from London, GB
87.2.162.118 AS3269 Telecom Italia S.p.A. 1.68ms from Milan, IT
104.229.165.6 AS11351 Charter Communications Inc 18.11ms from New York City, US
100.38.72.54 AS701 Verizon Business 2.75ms from New York City, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f5 -m10 199.16.240.249
traceroute to 199.16.240.249 (199.16.240.249): 10 hops max, 52 byte packets
5 [AS21859] 98.98.47.118 0.498 ms
6 [AS21859] 98.98.47.50 0.477 ms
7 [AS4788] 1.9.253.29 1.832 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Kuala Lumpur, MY
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS200454 at robtex.

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