Autonomous System details

AS5721

National Defense University  ·  ndu.edu

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AS5721 – National Defense University

Field Value
Country United States
Website ndu.edu
Hosted domains 0
IPv4 addresses 512
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 30 years ago on Sep 06, 1995
Updated 11 years ago on May 07, 2015
Netblock Company Num of IPs
216.21.18.0/24 National Defense University 256
216.21.19.0/24 National Defense University 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS5721
                                                OrgID:          AS5721
                                                ASName:         AS5721
                                                ASNumber:       AS5721
                                                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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Useful for Cybersecurity

Peers

There are 2 peers for this ASN.

Peers Name
AS22773 Cox Communications Inc.
AS33657 Comcast Cable Communications, LLC
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS22773 Cox Communications Inc.
AS33657 Comcast Cable Communications, LLC
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
216.21.19.13 AS5721 National Defense University 6.72ms from Ashburn, US
216.21.18.13 AS5721 National Defense University 2.92ms from Ashburn, 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
37.150.110.169 AS9198 JSC Kazakhtelecom 2.20ms from Almaty, KZ
129.158.39.185 AS31898 Oracle Corporation 0.28ms from Ashburn, US
61.1.234.105 AS9829 National Internet Backbone 13.18ms from Bengaluru, IN
85.10.105.121 AS47377 Orange Belgium SA 7.49ms from Brussels, BE
194.74.24.9 AS2856 British Telecommunications PLC 1.11ms from Erith, GB
77.88.206.185 AS3326 Datagroup PJSC 0.52ms from Kyiv, UA
45.222.203.41 AS37282 Mainone Cable Company 11.55ms from Lagos, NG
87.221.173.185 AS12479 Orange Espagne SA 1.95ms from Madrid, ES
93.119.22.217 AS59862 Professional Link S.r.l. 1.01ms from Milan, IT
121.237.2.41 AS4134 CHINANET-BACKBONE 1.00ms from Nanjing, CN
218.220.18.105 AS9617 JCOM Co., Ltd. 9.03ms from Osaka, JP
168.220.138.185 AS16347 ADISTA SAS 0.31ms from Paris, FR
119.184.71.217 AS4837 CHINA UNICOM China169 Backbone 4.35ms from Qingdao, CN
179.189.108.105 AS28201 Companhia Itabirana Telecomunicações Ltda 7.67ms from Rio de Janeiro, BR
73.41.163.249 AS7922 Comcast Cable Communications, LLC 9.04ms from San Jose, US
125.187.189.105 AS17858 LG POWERCOMM 1.76ms from Seoul, KR
112.186.225.233 AS4766 Korea Telecom 3.30ms from Seoul, KR
61.63.65.137 AS18042 Koos Broadband Telecom 0.92ms from Taipei, TW
80.235.29.57 AS3249 Telia Eesti AS 0.64ms from Tallinn, EE
77.245.249.25 AS42968 Kujawsko-Pomorskie Centrum Kompetencji Cyfrowych Sp. z o.o. w Likwidacji 3.55ms from Warsaw, PL
92.68.99.57 AS1136 KPN B.V. 0.45ms from Amsterdam, NL
75.225.191.25 AS6167 Verizon Business 12.97ms from Atlanta, US
204.89.159.249 AS16696 iTel Networks Inc 1.02ms from Calgary, CA
65.30.158.153 AS10796 Charter Communications Inc 7.47ms from Chicago, US
184.61.1.25 AS4181 TDS TELECOM 4.27ms from Chicago, US

Traceroute

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

$
traceroute -a -n -q1 -f2 216.21.19.1
traceroute to 216.21.19.1 (216.21.19.1): 64 hops max, 52 byte packets
3 [AS3257] 213.39.80.65 5.514 ms
4 [AS3257] 89.149.181.202 117.421 ms
5 [AS3257] 209.120.139.102 118.827 ms
6 [AS22773] 68.1.0.25 121.856 ms
7 *
8 [AS22773] 216.54.84.238 123.874 ms
9 [AS5721] 216.21.19.1 125.303 ms
Measurement taken from IPinfo ProbeNet in Thessaloniki, GR
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 AS5721 at robtex.

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