Autonomous System details

AS18791

Texas Christian University  ·  tcu.edu

United States

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AS18791 – Texas Christian University

Field Value
Country United States
Website tcu.edu
Hosted domains 10
IPv4 addresses 65,792
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 26 years ago on Oct 11, 2000
Updated 3 years ago on May 17, 2023

IP Ranges

Netblock Company Num of IPs
138.237.0.0/16 Texas Christian University 65,536
74.200.134.0/24 Texas Christian University 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS18791
                                                OrgID:          AS18791
                                                ASName:         AS18791
                                                ASNumber:       AS18791
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 10 domain names hosted across 6 IP addresses on this ASN.

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IP Address Domain Domains on this IP
138.237.38.126 ██████████ 2
138.237.39.29 ██████████ 1
138.237.38.191 ███████ 1
138.237.38.177 ███████ 1
138.237.46.182 ██████████ 1

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Peers

There are 4 peers for this ASN.

Peers Name
AS13359 LEARN
AS14085 LEARN
AS16905 LEARN
AS22645 LEARN
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS22645 LEARN
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
138.237.82.1 AS18791 Texas Christian University 2.83ms from Dallas, US
138.237.90.1 AS18791 Texas Christian University 2.73ms from Dallas, US
138.237.74.1 AS18791 Texas Christian University 2.76ms from Dallas, US
138.237.148.129 AS18791 Texas Christian University 2.71ms from Dallas, US
138.237.140.219 AS18791 Texas Christian University 2.36ms from Dallas, US
138.237.126.13 AS18791 Texas Christian University 2.41ms from Dallas, US
138.237.159.1 AS18791 Texas Christian University 2.77ms from Dallas, US
138.237.95.5 AS18791 Texas Christian University 2.46ms from Dallas, US
138.237.118.196 AS18791 Texas Christian University 2.37ms from Dallas, US
138.237.156.1 AS18791 Texas Christian University 2.54ms from Dallas, US
138.237.97.9 AS18791 Texas Christian University 2.84ms from Dallas, US
138.237.100.249 AS18791 Texas Christian University 2.53ms from Dallas, US
138.237.86.1 AS18791 Texas Christian University 2.60ms from Dallas, US
138.237.233.6 AS18791 Texas Christian University 2.62ms from Dallas, US
138.237.84.1 AS18791 Texas Christian University 2.58ms from Dallas, US
138.237.161.1 AS18791 Texas Christian University 2.76ms from Dallas, US
138.237.46.119 AS18791 Texas Christian University 1.90ms from Dallas, US
138.237.73.109 AS18791 Texas Christian University 3.15ms from Dallas, US
138.237.92.1 AS18791 Texas Christian University 2.76ms from Dallas, US
138.237.150.129 AS18791 Texas Christian University 2.61ms from Dallas, US
138.237.98.1 AS18791 Texas Christian University 2.73ms from Dallas, US
138.237.113.12 AS18791 Texas Christian University 2.42ms from Dallas, US
138.237.116.1 AS18791 Texas Christian University 2.55ms from Dallas, US
138.237.102.1 AS18791 Texas Christian University 2.72ms from Dallas, US
138.237.138.164 AS18791 Texas Christian University 2.75ms from Dallas, 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
96.235.19.231 AS701 Verizon Business 6.31ms from Ashburn, US
190.175.34.247 AS22927 Telefonica de Argentina 1.52ms from Buenos Aires, AR
152.110.11.183 AS20011 Dimension Data 1.45ms from Cape Town, ZA
84.119.171.87 AS3209 Vodafone GmbH 7.85ms from Duesseldorf, DE
87.153.93.183 AS3320 Deutsche Telekom AG 3.68ms from Munich, DE
86.206.30.119 AS3215 Orange S.A. 11.55ms from Paris, FR
87.97.132.215 AS13124 A1 Bulgaria EAD 10.09ms from Varna, BG
69.48.254.135 AS19323 Holyoke Gas & Electric Department 4.29ms from Boston, US
87.175.125.199 AS3320 Deutsche Telekom AG 4.20ms from Frankfurt am Main, DE
155.103.0.103 AS401682 Dialwave, Inc. 4.29ms from Grand Rapids, US
156.226.124.215 AS135097 LUOGELANG (FRANCE) LIMITED 0.65ms from Hong Kong, HK
109.152.81.39 AS2856 British Telecommunications PLC 7.36ms from London, GB
81.107.85.183 AS5089 Virgin Media Limited 3.70ms from London, GB
80.103.200.103 AS12479 Orange Espagne SA 9.70ms from Madrid, ES
5.139.129.183 AS12389 PJSC Rostelecom 16.32ms from Moscow, RU
153.132.249.247 AS4713 NTT DOCOMO BUSINESS,Inc. 2.61ms from Osaka, JP
198.12.209.87 AS26496 GoDaddy.com, LLC 1.30ms from Phoenix, US
81.205.114.231 AS1136 KPN B.V. 1.38ms from Amsterdam, NL
71.126.152.7 AS701 Verizon Business 2.00ms from Ashburn, US
90.95.52.119 AS8953 Orange Romania S.A. 6.75ms from Bucharest, RO
166.250.222.103 AS6167 Verizon Business 13.91ms from Chicago, US
90.71.102.183 AS12479 Orange Espagne SA 9.45ms from Madrid, ES
114.156.88.23 AS4713 NTT DOCOMO BUSINESS,Inc. 2.91ms from Osaka, JP
177.87.234.23 AS52593 Monte Alto Net Ltda 6.82ms from Osasco, BR
24.115.35.7 AS3737 PenTeleData Inc. 12.61ms from Philadelphia, US

Traceroute

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

$
traceroute -a -n -q1 -m8 138.237.19.1
traceroute to 138.237.19.1 (138.237.19.1): 8 hops max, 52 byte packets
2 *
3 [] 206.53.202.42 2.334 ms
5 [AS18791] 138.237.0.10 4.009 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Dallas, 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 AS18791 at robtex.

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