Autonomous System details

AS2

University of Delaware  ·  udel.edu

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AS2 – University of Delaware

Field Value
Country United States
Website udel.edu
Hosted domains 16
IPv4 addresses 69,632
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 35 years ago on Jan 10, 1991
Updated 2 years ago on Nov 08, 2023
Netblock Company Num of IPs
128.4.0.0/16 University of Delaware 65,536
91.143.144.0/20 South telephone company LLC 4,096

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS2
                                                OrgID:          AS2
                                                ASName:         AS2
                                                ASNumber:       AS2
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 16 domain names hosted across 9 IP addresses on this ASN.

IP Address Domain Domains on this IP
128.4.31.8 ██████████ 7
128.4.20.226 ██████████ 1
91.143.144.56 ██████████ 1
91.143.157.140 ████████ 1
128.4.31.222 ████████ 1
128.4.31.87 ██████████ 1
91.143.148.178 ██████████ 1
128.4.31.86 ██████████ 1
91.143.148.26 ████████ 1

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Useful for Cybersecurity

Peers

There are 20 peers for this ASN.

Peers Name
AS141975 PT Rubyan Network Solution
AS152057 PT Dinoki Wayae Yoshe
AS199268 LANCOM inzeniring racunalniskig sistemov d.o.o.
AS203794 LLC Gals-Telecom
AS24213 PT. Arsen Kusuma Indonesia
AS266625 WCA TELECOM
AS266674 Cooperativa Eléctrica de Las Perdices Ltda.
AS266893 MULTIMEDIA NETWORK, S.A. DE C.V.
AS270792 luciano comin cardozo-me
AS29091 ipNX Nigeria Limited
AS34 University of Delaware
AS37254 Green Flash Trading
AS37613 DOLPHIN TELECOMMUNICATION LIMITED
AS37628 KAB Technologies
AS39753 Liuxyon International
AS41837 "South telephone company" LLC
AS45609 Bharti Airtel Ltd. AS for GPRS Service
AS4622 Indonesia Network Information Center
AS52752 Vegas Telecom Informática Ltda.
AS63515 Indonesia Network Information Center
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There are 11 upstreams for this ASN.

upstreams Name
AS141975 PT Rubyan Network Solution
AS203794 LLC Gals-Telecom
AS266625 WCA TELECOM
AS266674 Cooperativa Eléctrica de Las Perdices Ltda.
AS266893 MULTIMEDIA NETWORK, S.A. DE C.V.
AS270792 luciano comin cardozo-me
AS34 University of Delaware
AS39753 Liuxyon International
AS41837 "South telephone company" LLC
AS45609 Bharti Airtel Ltd. AS for GPRS Service
AS52752 Vegas Telecom Informática Ltda.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Downstreams

There are 2 downstreams for this ASN.

Downstreams Name
AS152057 PT Dinoki Wayae Yoshe
AS63515 Indonesia Network Information Center
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Pingable IPs

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

IP Address ASN Details
91.143.159.9 AS2 University of Delaware 20.84ms from Moscow, RU
91.143.144.57 AS2 University of Delaware 20.63ms from Moscow, RU
128.4.33.3 AS2 University of Delaware 4.70ms from Ashburn, US
91.143.148.181 AS2 University of Delaware 20.03ms from Moscow, RU
91.143.146.153 AS2 University of Delaware 21.89ms from Moscow, RU
91.143.147.94 AS2 University of Delaware 22.96ms from Moscow, RU
91.143.149.241 AS2 University of Delaware 21.61ms from Moscow, RU
128.4.41.4 AS2 University of Delaware 4.54ms from Reston, US
91.143.156.34 AS2 University of Delaware 22.87ms from Moscow, RU
91.143.150.28 AS2 University of Delaware 22.62ms from Moscow, RU
91.143.155.1 AS2 University of Delaware 23.64ms from Moscow, RU
91.143.151.1 AS2 University of Delaware 21.08ms from Moscow, RU
91.143.157.153 AS2 University of Delaware 20.81ms from Moscow, RU
91.143.158.37 AS2 University of Delaware 20.10ms from Moscow, RU

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
213.62.155.82 AS2686 AT&T Enterprises, LLC 0.55ms from Amsterdam, NL
47.49.154.162 AS20115 Charter Communications LLC 3.98ms from Atlanta, US
121.17.127.242 AS4837 CHINA UNICOM China169 Backbone 8.73ms from Beijing, CN
122.187.95.98 AS9498 BHARTI Airtel Ltd. 0.66ms from Bengaluru, IN
156.47.133.66 AS6300 Fidium 4.66ms from Dallas, US
104.10.55.98 AS7018 AT&T Enterprises, LLC 2.62ms from Dallas, US
77.75.192.18 AS6204 INTERKVM HOST SRL 0.11ms from Dublin, IE
119.192.110.226 AS4766 Korea Telecom 1.64ms from Incheon, KR
110.15.90.162 AS9318 SK Broadband Co Ltd 1.83ms from Incheon, KR
82.35.134.226 AS5089 Virgin Media Limited 6.26ms from London, GB
72.192.185.178 AS22773 Cox Communications Inc. 8.68ms from Los Angeles, US
13.201.247.226 AS16509 Amazon.com, Inc. 0.12ms from Mumbai, IN
67.170.138.82 AS7922 Comcast Cable Communications, LLC 2.10ms from Portland, US
44.199.237.162 AS14618 Amazon.com, Inc. 0.45ms from Reston, US
179.155.1.2 AS28573 Claro NXT Telecomunicacoes Ltda 7.10ms from Rio de Janeiro, BR
151.4.32.50 AS1267 WIND TRE S.P.A. 5.37ms from Rome, IT
151.15.224.2 AS1267 WIND TRE S.P.A. 4.87ms from Rome, IT
46.47.226.18 AS20632 PJSC MegaFon 1.15ms from Saint Petersburg, RU
62.20.124.146 AS3301 Telia Company AB 0.73ms from Stockholm, SE
175.170.62.210 AS4837 CHINA UNICOM China169 Backbone 7.97ms from Tieling, CN
27.82.161.2 AS2516 KDDI CORPORATION 0.86ms from Tokyo, JP
191.7.11.178 AS262595 OnNet Telecomunicacoes LTDA 6.52ms from Uberlandia, BR
206.225.109.2 AS397913 East Stroudsburg University of Pennsylvania 9.16ms from Ashburn, US
52.191.224.50 AS8075 Microsoft Corporation 0.45ms from Ashburn, US
71.25.192.114 AS7922 Comcast Cable Communications, LLC 13.21ms from Atlanta, US

Traceroute

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

$
traceroute -a -n -q1 -m6 128.4.225.120
traceroute to 128.4.225.120 (128.4.225.120): 6 hops max, 52 byte packets
2 [] 199.109.102.9 9.097 ms
3 [] 199.109.102.22 26.015 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Columbus, 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 AS2 at robtex.

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