Autonomous System details

AS398948

Institute for Defense Analyses  ·  ida.org

United States
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AS398948 – Institute for Defense Analyses

Field Value
Country United States
Website ida.org
Hosted domains 0
IPv4 addresses 256
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 2 months ago on Feb 19, 2026
Updated 2 months ago on Feb 19, 2026

IP Ranges

Netblock Company Num of IPs
192.203.205.0/24 Institute for Defense Analyses 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS398948
                                                OrgID:          AS398948
                                                ASName:         AS398948
                                                ASNumber:       AS398948
                                                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 is 1 peer for this ASN.

Peers Name
AS7018 AT&T Enterprises, LLC
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS7018 AT&T Enterprises, LLC
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

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
156.204.171.132 AS8452 TE-AS 2.58ms from Cairo, EG
20.233.57.148 AS8075 Microsoft Corporation 0.37ms from Dubai, AE
54.246.146.52 AS16509 Amazon.com, Inc. 0.17ms from Dublin, IE
39.117.38.84 AS9318 SK Broadband Co Ltd 1.73ms from Incheon, KR
78.172.171.132 AS9121 Turk Telekomunikasyon Anonim Sirketi 11.61ms from Izmir, TR
87.115.252.4 AS6871 Plusnet 15.52ms from London, GB
68.224.32.4 AS22773 Cox Communications Inc. 6.26ms from Los Angeles, US
83.99.7.164 AS6661 POST Luxembourg 1.12ms from Luxembourg, LU
187.156.179.116 AS8151 UNINET 2.75ms from Monterrey, MX
107.22.97.212 AS14618 Amazon.com, Inc. 0.36ms from Reston, US
200.230.244.4 AS4230 CLARO S.A. 1.14ms from Sao Paulo, BR
15.135.130.68 AS16509 Amazon.com, Inc. 0.17ms from Sydney, AU
108.243.56.36 AS7018 AT&T Enterprises, LLC 12.14ms from Atlanta, US
31.127.8.132 AS2856 British Telecommunications PLC 6.44ms from Erith, GB
193.101.184.20 AS199421 MTI Teleport Muenchen GmbH Gesellschaft fur Satellitenubertragungen 5.16ms from Frankfurt am Main, DE
91.11.44.132 AS3320 Deutsche Telekom AG 5.97ms from Frankfurt am Main, DE
117.2.131.68 AS7552 Viettel Group 13.61ms from Ho Chi Minh City, VN
175.238.150.180 AS4766 Korea Telecom 1.93ms from Incheon, KR
81.45.138.4 AS3352 TELEFONICA DE ESPANA S.A.U. 2.60ms from Madrid, ES
114.66.3.180 AS136188 NINGBO, ZHEJIANG Province, P.R.China. 0.21ms from Ningbo, CN
91.156.190.36 AS719 Elisa Oyj 0.99ms from Oulu, FI
143.196.125.4 AS15557 Societe Francaise Du Radiotelephone - SFR SA 2.57ms from Paris, FR
50.16.232.180 AS14618 Amazon.com, Inc. 0.25ms from Reston, US
125.177.27.164 AS17858 LG POWERCOMM 1.63ms from Seoul, KR
74.82.199.68 AS21887 Fiber Logic Inc. 0.30ms from Tokyo, JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f5 -m10 192.203.205.3
traceroute to 192.203.205.3 (192.203.205.3): 10 hops max, 52 byte packets
5 [AS3356] 4.69.160.101 62.763 ms
6 *
7 [AS7018] 32.130.90.122 75.476 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Mexico City, MX
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 AS398948 at robtex.

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