Autonomous System details

AS4357

Phase IV Systems, Inc. · ro.com

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AS4357 – Phase IV Systems, Inc.

Field	Value
Country	United States
Website	ro.com
Hosted domains	0
IPv4 addresses	0
IPv6 addresses	0
ASN type	Inactive
Registry	arin
Allocated	31 years ago on Feb 08, 1995
Updated	28 years ago on Apr 27, 1998

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS4357
                                                OrgID:          AS4357
                                                ASName:         AS4357
                                                ASNumber:       AS4357
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There are no peers for this ASN.

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Upstreams

There are no upstreams for this ASN.

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

No IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

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
144.124.229.165	AS216071 SERVERS TECH FZCO	`0.18ms` from Amsterdam, NL
193.121.241.117	AS5432 Proximus NV	`2.20ms` from Brussels, BE
67.212.184.149	AS32475 Internap Holding LLC	`0.77ms` from Chicago, US
96.110.166.165	AS7922 Comcast Cable Communications, LLC	`1.10ms` from Chicago, US
73.103.28.213	AS7922 Comcast Cable Communications, LLC	`13.46ms` from Chicago, US
188.106.238.5	AS3209 Vodafone GmbH	`15.99ms` from Duesseldorf, DE
79.255.127.101	AS3320 Deutsche Telekom AG	`4.58ms` from Frankfurt am Main, DE
89.246.79.53	AS8881 1&1 Versatel GmbH	`0.54ms` from Frankfurt am Main, DE
171.246.150.165	AS7552 Viettel Group	`1.47ms` from Ho Chi Minh City, VN
37.57.46.37	AS13188 CONTENT DELIVERY NETWORK LTD	`6.59ms` from Kharkiv, UA
23.212.57.165	AS16625 Akamai Technologies, Inc.	`0.38ms` from London, GB
5.28.51.213	AS42010 I.T. PROFESSIONAL SERVICES LIMITED	`1.34ms` from London, GB
83.42.206.181	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.18ms` from Madrid, ES
89.82.227.69	AS5410 Bouygues Telecom SA	`4.21ms` from Marseille, FR
153.215.156.133	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.11ms` from Osaka, JP
46.159.125.197	AS12389 PJSC Rostelecom	`15.98ms` from Tbilisi, GE
142.90.5.165	AS40788 Start Communications	`8.37ms` from Toronto, CA
23.101.75.53	AS8075 Microsoft Corporation	`0.21ms` from Amsterdam, NL
67.200.92.133	AS7029 Windstream Communications LLC	`0.57ms` from Ashburn, US
3.103.9.197	AS16509 Amazon.com, Inc.	`0.47ms` from Auckland, NZ
81.243.213.85	AS5432 Proximus NV	`1.12ms` from Brussels, BE
50.58.48.181	AS3549 Level 3 Parent, LLC	`0.39ms` from Denver, US
20.13.187.197	AS8075 Microsoft Corporation	`0.19ms` from Dublin, IE
80.137.190.5	AS3320 Deutsche Telekom AG	`8.08ms` from Frankfurt am Main, DE
111.17.231.133	AS24444 Shandong Mobile Communication Company Limited	`4.27ms` from Jinan, CN

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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 AS4357 at robtex.

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