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
105.111.125.181	AS36947 Telecom Algeria	`13.45ms` from Algiers, DZ
178.253.231.165	AS9125 Drustvo za telekomunikacije Orion telekom doo Beograd-Zemun	`3.89ms` from Belgrade, RS
84.142.86.85	AS3320 Deutsche Telekom AG	`6.97ms` from Frankfurt am Main, DE
1.98.174.69	AS4766 Korea Telecom	`2.26ms` from Incheon, KR
218.57.61.101	AS4837 CHINA UNICOM China169 Backbone	`6.93ms` from Jinan, CN
212.241.196.213	AS5413 Wavenet Limited	`0.45ms` from London, GB
84.64.210.149	AS5378 Vodafone Limited	`4.16ms` from Manchester, GB
122.54.136.245	AS9299 Philippine Long Distance Telephone Company	`1.36ms` from Manila, PH
66.65.149.117	AS12271 Charter Communications Inc	`3.54ms` from New York City, US
140.249.178.85	AS58541 CHINATELECOM SHANDONG QINGDAO IDC	`1.33ms` from Qingdao, CN
98.158.166.5	AS29819 Natural Networks, Inc.	`0.64ms` from San Diego, US
221.167.254.85	AS4766 Korea Telecom	`1.39ms` from Seoul, KR
121.107.229.245	AS2516 KDDI CORPORATION	`2.53ms` from Tokyo, JP
99.209.167.197	AS812 Rogers Communications Canada Inc.	`0.55ms` from Toronto, CA
149.156.21.181	AS8267 Academic Computer Centre CYFRONET AGH	`5.04ms` from Warsaw, PL
76.100.165.101	AS7922 Comcast Cable Communications, LLC	`7.54ms` from Ashburn, US
209.30.117.181	AS7018 AT&T Enterprises, LLC	`8.16ms` from Atlanta, US
60.28.103.21	AS4837 CHINA UNICOM China169 Backbone	`5.85ms` from Beijing, CN
50.185.75.197	AS7922 Comcast Cable Communications, LLC	`5.10ms` from Detroit, US
89.246.79.53	AS8881 1&1 Versatel GmbH	`0.49ms` from Frankfurt am Main, DE
50.240.97.85	AS7922 Comcast Cable Communications, LLC	`10.17ms` from Murfreesboro, US
40.141.20.21	AS7029 Windstream Communications LLC	`3.38ms` from New York City, US
178.66.17.181	AS12389 PJSC Rostelecom	`1.62ms` from Saint Petersburg, RU
88.95.169.165	AS2119 Telenor Norge AS	`6.90ms` from Sandefjord, NO
180.159.59.149	AS4812 China Telecom (Group)	`3.63ms` from Shanghai, 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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