Autonomous System details

AS251

AS251 ·

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AS251 – AS251

Field	Value
Country	unknown
Website
Hosted domains	0
IPv4 addresses	0
IPv6 addresses	0
ASN type	Inactive
Registry	ripe
Allocated	23 years ago on Aug 21, 2002
Updated	9 months ago on Apr 23, 2025

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS251
                                                OrgID:          AS251
                                                ASName:         AS251
                                                ASNumber:       AS251
                                                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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ASN API & Database

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
2.56.100.203	AS60781 LeaseWeb Netherlands B.V.	`0.20ms` from Amsterdam, NL
97.75.137.27	AS22709 North State Telephone, LLC	`7.75ms` from Atlanta, US
123.122.67.139	AS4808 China Unicom Beijing Province Network	`3.14ms` from Beijing, CN
35.91.249.171	AS16509 Amazon.com, Inc.	`0.29ms` from Boardman, US
3.17.134.187	AS16509 Amazon.com, Inc.	`0.66ms` from Columbus, US
194.99.47.251	AS34766 atom86 BV	`0.64ms` from Copenhagen, DK
60.191.77.203	AS4134 CHINANET-BACKBONE	`4.42ms` from Hangzhou, CN
69.90.133.59	AS13768 Aptum Technologies	`0.14ms` from Los Angeles, US
88.16.143.59	AS3352 TELEFONICA DE ESPANA S.A.U.	`12.54ms` from Madrid, ES
50.210.26.235	AS7922 Comcast Cable Communications, LLC	`8.51ms` from Murfreesboro, US
71.44.55.251	AS33363 Charter Communications, Inc	`3.94ms` from Orlando, US
20.59.114.123	AS8075 Microsoft Corporation	`0.56ms` from San Jose, US
187.101.84.219	AS27699 TELEFÔNICA BRASIL S.A	`2.65ms` from São Paulo, BR
210.146.143.27	AS2519 ARTERIA Networks Corporation	`2.27ms` from Tokyo, JP
45.78.170.203	AS7992 Cogeco Connexion Inc.	`7.03ms` from Toronto, CA
58.54.88.251	AS4134 CHINANET-BACKBONE	`3.90ms` from Wuhan, CN
46.23.121.11	AS9038 Batelco Jordan	`3.29ms` from Amman, JO
85.149.125.27	AS5390 EuroNet	`1.15ms` from Amsterdam, NL
107.13.219.107	AS11426 Charter Communications Inc	`10.96ms` from Ashburn, US
44.241.150.171	AS16509 Amazon.com, Inc.	`0.13ms` from Boardman, US
141.19.225.11	AS553 BelWue-Koordination	`1.96ms` from Frankfurt am Main, DE
143.42.61.235	AS63949 Akamai Connected Cloud	`0.17ms` from Frankfurt am Main, DE
27.44.124.91	AS134543 China Unicom Guangdong IP network	`3.07ms` from Guangzhou, CN
18.171.14.123	AS16509 Amazon.com, Inc.	`0.10ms` from London, GB
45.31.54.91	AS7018 AT&T Enterprises, LLC	`3.33ms` from Miami, 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 AS251 at robtex.

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