Autonomous System details

AS4263

California Education and Research Federation Network · cerf.net

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AS4263 – California Education and Research Federation Network

Field	Value
Country	United States
Website	cerf.net
Hosted domains	0
IPv4 addresses	0
IPv6 addresses	0
ASN type	Inactive
Registry	arin
Allocated	31 years ago on Jan 18, 1995
Updated	31 years ago on Jan 18, 1995

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS4263
                                                OrgID:          AS4263
                                                ASName:         AS4263
                                                ASNumber:       AS4263
                                                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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ASN API & Database

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
52.232.96.103	AS8075 Microsoft Corporation	`0.21ms` from Amsterdam, NL
73.249.230.151	AS7922 Comcast Cable Communications, LLC	`3.07ms` from Boston, US
112.194.125.87	AS4837 CHINA UNICOM China169 Backbone	`3.07ms` from Chengdu, CN
34.134.223.7	AS396982 Google LLC	`0.16ms` from Council Bluffs, US
179.127.76.71	AS263283 JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	`15.40ms` from Fortaleza, BR
115.2.208.103	AS4766 Korea Telecom	`2.23ms` from Incheon, KR
101.185.44.23	AS1221 Telstra Limited	`13.53ms` from Melbourne, AU
51.10.42.135	AS8075 Microsoft Corporation	`0.36ms` from Perth, AU
193.85.82.23	AS13036 T-Mobile Czech Republic a.s.	`0.44ms` from Prague, CZ
188.205.167.23	AS1136 KPN B.V.	`19.36ms` from Amsterdam, NL
37.203.13.135	AS6876 TENET Scientific Production Enterprise LLC	`3.40ms` from Chisinau, MD
59.56.72.71	AS133774 Fuzhou	`2.19ms` from Fuzhou, CN
173.2.253.55	AS6128 Cablevision Systems Corp.	`7.75ms` from New York City, US
98.246.176.183	AS7922 Comcast Cable Communications, LLC	`8.12ms` from Portland, US
27.201.65.55	AS4837 CHINA UNICOM China169 Backbone	`6.84ms` from Qingdao, CN
191.235.97.215	AS8075 Microsoft Corporation	`0.16ms` from Sao Paulo, BR
58.109.126.55	AS4804 Microplex PTY LTD	`8.08ms` from Sydney, AU
212.200.184.167	AS8400 TELEKOM SRBIJA a.d.	`0.36ms` from Belgrade, RS
58.171.230.199	AS1221 Telstra Limited	`3.35ms` from Brisbane, AU
109.131.244.39	AS5432 Proximus NV	`2.20ms` from Brussels, BE
94.139.142.103	AS43925 MOLDCELL S.A.	`17.29ms` from Chisinau, MD
86.20.11.151	AS5089 Virgin Media Limited	`5.21ms` from London, GB
35.153.252.183	AS14618 Amazon.com, Inc.	`0.26ms` from Reston, US
18.205.37.23	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
23.23.81.231	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US

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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 AS4263 at robtex.

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