Autonomous System details

AS25987

Westchester Library System  ·  westchesterlibraries.org

United States
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AS25987 – Westchester Library System

Field Value
Country United States
Website westchesterlibraries.org
Hosted domains 30
IPv4 addresses 256
IPv6 addresses 0
ASN type Business
Registry arin
Allocated 24 years ago on Jun 12, 2002
Updated 3 years ago on Aug 03, 2022

IP Ranges

Netblock Company Num of IPs
199.97.121.0/24 Cogent Communications, LLC 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS25987
                                                OrgID:          AS25987
                                                ASName:         AS25987
                                                ASNumber:       AS25987
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 30 domain names hosted across 4 IP addresses on this ASN.

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IP Address Domain Domains on this IP
199.97.121.27 ██████████ 22
199.97.121.29 ██████████ 5
199.97.121.32 ██████████ 2
199.97.121.68 ██████████ 1

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Peers

There is 1 peer for this ASN.

Peers Name
AS46887 Crown Castle Fiber LLC
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS46887 Crown Castle Fiber LLC
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
199.97.121.2 AS25987 Westchester Library System 1.79ms from New York City, US

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
86.90.106.35 AS1136 KPN B.V. 1.07ms from Amsterdam, NL
95.97.247.243 AS33915 Vodafone Libertel B.V. 4.10ms from Amsterdam, NL
174.173.49.131 AS7922 Comcast Cable Communications, LLC 8.49ms from Ashburn, US
202.124.124.147 AS23655 2degrees Networks Limited 2.87ms from Auckland, NZ
135.135.134.163 AS4181 TDS TELECOM 9.11ms from Chicago, US
174.136.185.147 AS4867 Cboe 0.61ms from Chicago, US
18.252.121.51 AS8987 Amazon Data Services Ireland Ltd 0.81ms from Columbus, US
85.197.7.243 AS8422 NetCologne Gesellschaft fur Telekommunikation mbH 4.12ms from Duesseldorf, DE
131.189.56.51 AS8075 Microsoft Corporation 0.87ms from Frankfurt am Main, DE
154.212.121.115 AS134548 DXTL Tseung Kwan O Service 0.75ms from Hong Kong, HK
155.93.205.179 AS37680 Cool Ideas Service Provider (Pty) Ltd 1.29ms from Johannesburg, ZA
68.102.41.131 AS22773 Cox Communications Inc. 7.94ms from Kansas City, US
109.151.169.243 AS2856 British Telecommunications PLC 1.65ms from London, GB
128.49.160.115 AS22 Navy Network Information Center (NNIC) 1.78ms from Los Angeles, US
209.227.238.243 AS31034 Aruba S.p.A. 1.29ms from Milan, IT
79.53.48.227 AS3269 Telecom Italia S.p.A. 9.11ms from Milan, IT
189.152.119.227 AS8151 UNINET 1.61ms from Monterrey, MX
105.165.58.19 AS33771 Safaricom Limited 11.38ms from Nairobi, KE
121.84.108.179 AS17511 OPTAGE Inc. 3.76ms from Osaka, JP
202.210.217.243 AS17506 ARTERIA Networks Corporation 0.88ms from Tokyo, JP
153.196.65.243 AS4713 NTT DOCOMO BUSINESS,Inc. 7.55ms from Tokyo, JP
111.174.84.243 AS4134 CHINANET-BACKBONE 4.56ms from Wuhan, CN
137.164.37.19 AS2152 CENIC 0.38ms from Los Angeles, US
107.151.148.51 AS21859 Zenlayer Inc 0.28ms from Los Angeles, US
88.4.190.195 AS3352 TELEFONICA DE ESPANA S.A.U. 4.74ms 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 -f2 199.97.121.4
traceroute to 199.97.121.4 (199.97.121.4): 64 hops max, 52 byte packets
2 [AS22969] 67.213.161.9 0.484 ms
3 *
4 *
5 [AS6461] 128.177.77.94 0.336 ms
8 [AS25987] 199.97.121.4 2.506 ms
Measurement taken from IPinfo ProbeNet in New York City, US
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 AS25987 at robtex.

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