AS number details

AS18791

Texas Christian University  ·  tcu.edu

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AS18791 – Texas Christian University

Field Value
Country United States
Website tcu.edu
Hosted domains 10
Number of IPv4 65,792
Number of IPv6 0
ASN type Education
Registry arin
Allocated 25 years ago on Oct 11, 2000
Updated 2 years ago on May 17, 2023
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


                                                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 5 IP addresses on this ASN.

IP Address Domain Domains on this IP
138.237.38.126 ██████████ 7
138.237.46.182 ██████████ 1
138.237.38.191 ███████ 1
138.237.38.177 ███████ 1
138.237.38.72 ██████████ 1

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Useful for Cybersecurity

Peers

There are 3 peers for this ASN.

Peers Name
AS13359 LEARN
AS16905 LEARN
AS22645 LEARN
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

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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Pingable IPs

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

IP Address ASN Details
138.237.144.11 AS18791 Texas Christian University 2.71ms from Dallas, US
138.237.0.1 AS18791 Texas Christian University 1.68ms from Dallas, US
138.237.67.51 AS18791 Texas Christian University 2.86ms from Dallas, US
138.237.127.11 AS18791 Texas Christian University 2.53ms from Dallas, US
138.237.123.7 AS18791 Texas Christian University 2.73ms from Dallas, US
138.237.112.50 AS18791 Texas Christian University 2.64ms from Dallas, US
138.237.136.1 AS18791 Texas Christian University 2.73ms from Dallas, US
138.237.151.65 AS18791 Texas Christian University 2.65ms from Dallas, US
138.237.146.129 AS18791 Texas Christian University 2.71ms from Dallas, US
138.237.107.64 AS18791 Texas Christian University 2.61ms from Dallas, US
138.237.103.254 AS18791 Texas Christian University 2.51ms from Dallas, US
138.237.78.1 AS18791 Texas Christian University 2.88ms from Dallas, US
138.237.68.171 AS18791 Texas Christian University 2.57ms from Dallas, US
138.237.126.13 AS18791 Texas Christian University 2.52ms from Dallas, US
138.237.108.116 AS18791 Texas Christian University 2.67ms from Dallas, US
138.237.232.2 AS18791 Texas Christian University 2.44ms from Dallas, US
138.237.92.1 AS18791 Texas Christian University 2.87ms from Dallas, US
138.237.77.83 AS18791 Texas Christian University 2.90ms from Dallas, US
138.237.40.42 AS18791 Texas Christian University 1.70ms from Dallas, US
138.237.102.1 AS18791 Texas Christian University 2.79ms from Dallas, US
138.237.70.172 AS18791 Texas Christian University 2.64ms from Dallas, US
138.237.90.1 AS18791 Texas Christian University 2.77ms from Dallas, US
138.237.100.247 AS18791 Texas Christian University 2.54ms from Dallas, US
138.237.109.88 AS18791 Texas Christian University 2.79ms from Dallas, US
138.237.140.129 AS18791 Texas Christian University 2.86ms 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
160.177.17.7 AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 12.22ms from Casablanca, MA
200.178.117.231 AS4230 CLARO S.A. 17.22ms from Fortaleza, BR
194.30.89.23 AS3262 SAREnet, S.A. 5.37ms from Madrid, ES
129.171.161.55 AS4511 University of Miami 1.44ms from Miami, US
114.156.88.23 AS4713 NTT DOCOMO BUSINESS,Inc. 2.85ms from Osaka, JP
52.175.135.199 AS8075 Microsoft Corporation 0.18ms from Osaka, JP
151.75.15.135 AS1267 WIND TRE S.P.A. 6.38ms from Rome, IT
75.198.161.247 AS6167 Verizon Business 14.49ms from Santa Clara, US
52.76.167.71 AS16509 Amazon.com, Inc. 0.13ms from Singapore, SG
36.227.9.39 AS3462 Data Communication Business Group 1.40ms from Taipei, TW
34.85.50.87 AS396982 Google LLC 0.13ms from Tokyo, JP
73.199.79.135 AS7922 Comcast Cable Communications, LLC 8.23ms from Ashburn, US
172.210.137.7 AS8075 Microsoft Corporation 0.19ms from Boydton, US
93.237.178.103 AS3320 Deutsche Telekom AG 2.91ms from Hamburg, DE
14.255.23.199 AS45899 VNPT Corp 2.44ms from Hanoi, VN
125.59.235.7 AS9908 HK Cable TV Ltd 1.52ms from Hong Kong, HK
86.171.123.71 AS2856 British Telecommunications PLC 3.08ms from London, GB
72.228.27.119 AS11351 Charter Communications Inc 13.70ms from New York City, US
86.215.109.71 AS3215 Orange S.A. 16.00ms from Paris, FR
67.214.236.199 AS13415 FirstDigital Communications, LLC 0.65ms from Salt Lake City, US
121.156.47.7 AS4766 Korea Telecom 0.80ms from Seoul, KR
190.121.226.39 AS27717 Corporacion Digitel C.A. 11.89ms from Willemstad, CW
8.22.36.55 AS26120 RhythmOne, LLC 0.62ms from Ashburn, US
162.232.216.151 AS7018 AT&T Enterprises, LLC 14.67ms from Atlanta, US
210.77.145.39 AS9308 Abitcool(China) Inc. 2.66ms from Beijing, CN

Traceroute

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

$
traceroute -a -n -q1 -f5 138.237.39.56
traceroute to 138.237.39.56 (138.237.39.56): 64 hops max, 52 byte packets
5 [AS174] 38.32.13.194 0.66 ms
7 [AS18791] 138.237.0.10 2.462 ms
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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