Autonomous System details

AS21756

SIDERCA S.A.I.C.  ·  tenaris.com

Argentina

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AS21756 – SIDERCA S.A.I.C.

Field Value
Country Argentina
Website tenaris.com
Hosted domains 4
IPv4 addresses 1,280
IPv6 addresses 0
ASN type Business
Registry lacnic
Allocated 25 years ago on Jun 15, 2001
Updated a month ago on Mar 18, 2026

IP Ranges

Netblock Company Num of IPs
200.1.117.0/24 SIDERCA S.A.I.C. 256
200.9.229.0/24 SIDERCA S.A.I.C. 256
200.69.130.0/24 SIDERCA S.A. 256
200.80.222.0/24 SIDERCA S.A.I.C. 256
201.234.38.0/24 Cirion Technologies Argentina S.A. 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS21756
                                                OrgID:          AS21756
                                                ASName:         AS21756
                                                ASNumber:       AS21756
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 4 domain names hosted across 2 IP addresses on this ASN.

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IP Address Domain Domains on this IP
201.234.38.8 █████████ 2
201.234.38.130 ██████████ 2

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Peers

There are 3 peers for this ASN.

Peers Name
AS11014 CPS
AS11664 Techtel LMDS Comunicaciones Interactivas S.A.
AS3549 Level 3 Parent, LLC
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS11014 CPS
AS11664 Techtel LMDS Comunicaciones Interactivas S.A.
AS3549 Level 3 Parent, LLC
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
200.1.117.30 AS21756 SIDERCA S.A.I.C. 0.62ms from Buenos Aires, AR
200.69.130.30 AS21756 SIDERCA S.A.I.C. 1.84ms from Buenos Aires, AR
201.234.38.147 AS21756 SIDERCA S.A.I.C. 4.50ms from Buenos Aires, AR
200.80.222.26 AS21756 SIDERCA S.A.I.C. 4.32ms from Buenos Aires, AR
200.9.229.30 AS21756 SIDERCA S.A.I.C. 0.59ms from Buenos Aires, AR

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
186.119.3.28 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 9.25ms from Bogotá, CO
9.169.239.44 AS8075 Microsoft Corporation 0.22ms from Boydton, US
213.119.101.108 AS6848 Telenet BV 5.47ms from Brussels, BE
50.4.73.124 AS12083 WideOpenWest Finance LLC 12.22ms from Chicago, US
76.161.164.60 AS7029 Windstream Communications LLC 0.56ms from Dallas, US
217.24.50.220 AS28876 suec // dacor GmbH 3.70ms from Frankfurt am Main, DE
91.47.19.44 AS3320 Deutsche Telekom AG 2.56ms from Frankfurt am Main, DE
79.78.194.220 AS13285 TalkTalk Communications Limited 7.91ms from London, GB
69.104.70.188 AS7018 AT&T Enterprises, LLC 1.71ms from Los Angeles, US
213.98.164.236 AS3352 TELEFONICA DE ESPANA S.A.U. 1.64ms from Madrid, ES
108.207.142.124 AS7018 AT&T Enterprises, LLC 17.19ms from Miami, US
24.245.8.204 AS7922 Comcast Cable Communications, LLC 2.37ms from Minneapolis, US
52.87.175.92 AS14618 Amazon.com, Inc. 0.46ms from Reston, US
189.238.157.172 AS8151 UNINET 15.26ms from Santiago de Queretaro, MX
218.146.1.156 AS4766 Korea Telecom 1.21ms from Seoul, KR
3.134.71.108 AS16509 Amazon.com, Inc. 0.10ms from Columbus, US
76.122.187.76 AS7922 Comcast Cable Communications, LLC 7.57ms from Detroit, US
103.134.26.28 AS137967 Digicon Telecommunication Ltd 0.45ms from Dhaka, BD
80.133.110.28 AS3320 Deutsche Telekom AG 3.50ms from Duesseldorf, DE
213.196.194.28 AS8422 NetCologne Gesellschaft fur Telekommunikation mbH 4.12ms from Duesseldorf, DE
35.158.212.236 AS16509 Amazon.com, Inc. 0.18ms from Frankfurt am Main, DE
125.162.128.156 AS7713 PT Telekomunikasi Indonesia 17.10ms from Jakarta, ID
83.203.35.60 AS3215 Orange S.A. 2.96ms from Le Lamentin, MQ
212.108.94.12 AS41678 The Internet Business Ltd 0.45ms from London, GB
18.100.188.140 AS16509 Amazon.com, Inc. 5.66ms from Madrid, ES

Traceroute

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

$
traceroute -a -n -q1 200.9.229.29
traceroute to 200.9.229.29 (200.9.229.29): 64 hops max, 52 byte packets
3 *
4 [AS3549] 200.189.213.206 267.338 ms
5 *
6 [AS21756] 200.9.229.29 268.458 ms
Measurement taken from IPinfo ProbeNet in Tel Aviv, IL
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 AS21756 at robtex.

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