Autonomous System details

AS2

University of Delaware  ·  udel.edu

United States

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AS2 – University of Delaware

Field Value
Country United States
Website udel.edu
Hosted domains 16
IPv4 addresses 69,888
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 35 years ago on Jan 10, 1991
Updated 2 years ago on Nov 08, 2023

IP Ranges

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
177.84.48.0/24 SCHIVAS TELECOM LTDA 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                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.

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IP Address Domain Domains on this IP
128.4.31.8 ██████████ 8
128.4.31.87 ██████████ 1
91.143.148.26 ████████ 1
128.4.20.226 ██████████ 1
91.143.148.250 █████████ 1
128.4.31.86 ██████████ 1
91.143.157.140 ████████ 1
91.143.148.178 ██████████ 1
128.4.31.222 ████████ 1

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Peers

There are 25 peers for this ASN.

Peers Name
AS139928 Third Wave Technologies Ltd
AS203794 LLC Gals-Telecom
AS262579 GE Network Provedor de Internet LTDA
AS262706 Ultranet Telecomunicações Ltda
AS264075 K1 Telecom e Multimidia LTDA
AS265304 Brdsoft Solucoes de T.i e Telecomunicacoes LTDA
AS265398 nobre telecom ltda
AS266625 WCA TELECOM
AS266674 Cooperativa Eléctrica de Las Perdices Ltda.
AS266893 MULTIMEDIA NETWORK, S.A. DE C.V.
AS271529 ONLINE TELECOM.IP LTDA ME
AS271662 ULTRAXX SERVICOS DE CONECTIVIDADE LTDA
AS29049 Delta Telecom Ltd
AS29091 ipNX Nigeria Limited
AS31133 PJSC MegaFon
AS34 University of Delaware
AS37613 DOLPHIN TELECOMMUNICATION LIMITED
AS37628 KAB Technologies
AS41837 "South telephone company" LLC
AS49666 Telecommunication Infrastructure Company
AS52640 USCM - COMUNICACAO MULTIMIDIA LTDA.
AS52752 Vegas Telecom Informática Ltda.
AS53142 Friburgo Online LTDA ME
AS59362 KS Network Limited
AS8529 Zain Omantel International FZ-LLC
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Upstreams

There are 10 upstreams for this ASN.

upstreams Name
AS203794 LLC Gals-Telecom
AS262579 GE Network Provedor de Internet LTDA
AS266625 WCA TELECOM
AS266674 Cooperativa Eléctrica de Las Perdices Ltda.
AS266893 MULTIMEDIA NETWORK, S.A. DE C.V.
AS271529 ONLINE TELECOM.IP LTDA ME
AS271662 ULTRAXX SERVICOS DE CONECTIVIDADE LTDA
AS34 University of Delaware
AS41837 "South telephone company" LLC
AS53142 Friburgo Online LTDA ME
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Downstreams

There are 3 downstreams for this ASN.

Downstreams Name
AS265304 Brdsoft Solucoes de T.i e Telecomunicacoes LTDA
AS265398 nobre telecom ltda
AS52640 USCM - COMUNICACAO MULTIMIDIA LTDA.
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ASN API & Database

Pingable IPs

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

IP Address ASN Details
128.4.33.2 AS2 University of Delaware 4.66ms from Ashburn, US
91.143.150.125 AS2 University of Delaware 24.17ms from Moscow, RU
91.143.157.137 AS2 University of Delaware 20.14ms from Moscow, RU
91.143.146.153 AS2 University of Delaware 20.78ms from Moscow, RU
91.143.156.33 AS2 University of Delaware 22.66ms from Moscow, RU
91.143.152.1 AS2 University of Delaware 20.95ms from Moscow, RU
177.84.48.1 AS2 University of Delaware 3.19ms from Joao Pessoa, BR
128.4.41.1 AS2 University of Delaware 4.62ms from Reston, US
91.143.159.9 AS2 University of Delaware 21.92ms from Moscow, RU
91.143.158.1 AS2 University of Delaware 20.68ms from Moscow, RU
91.143.144.7 AS2 University of Delaware 20.91ms from Moscow, RU
91.143.151.3 AS2 University of Delaware 21.06ms from Moscow, RU
91.143.149.236 AS2 University of Delaware 22.45ms from Moscow, RU
91.143.148.73 AS2 University of Delaware 19.80ms from Moscow, RU
91.143.147.90 AS2 University of Delaware 21.74ms from Moscow, RU
91.143.155.1 AS2 University of Delaware 21.25ms 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
79.235.113.50 AS3320 Deutsche Telekom AG 1.75ms from Berlin, DE
107.182.196.162 AS22534 CS Technologies 4.34ms from Chicago, US
129.79.7.2 AS87 Indiana University 5.30ms from Chicago, US
178.203.124.2 AS3209 Vodafone GmbH 13.77ms from Frankfurt am Main, DE
84.175.215.18 AS3320 Deutsche Telekom AG 6.09ms from Frankfurt am Main, DE
123.1.144.34 AS10103 HK Broadband Network Ltd. 0.75ms from Hong Kong, HK
18.166.43.130 AS16509 Amazon.com, Inc. 0.09ms from Hong Kong, HK
88.250.42.242 AS9121 Turk Telekomunikasyon Anonim Sirketi 15.82ms from Istanbul, TR
217.14.143.18 AS20976 Hotlinks European Backbone 0.34ms from London, GB
12.209.142.34 AS7018 AT&T Enterprises, LLC 2.89ms from Los Angeles, US
213.27.248.34 AS8220 COLT Technology Services Group Limited 0.59ms from Madrid, ES
192.175.100.130 AS32613 Leaseweb Canada Inc. 0.78ms from Montreal, CA
37.110.133.2 AS42610 PJSC Rostelecom 0.78ms from Moscow, RU
45.55.237.130 AS14061 DigitalOcean, LLC 0.26ms from New York City, US
180.29.80.98 AS4713 NTT DOCOMO BUSINESS,Inc. 2.58ms from Osaka, JP
96.17.207.162 AS20940 Akamai International B.V. 0.47ms from Paris, FR
89.202.193.98 AS3257 GTT Communications Inc. 0.22ms from Paris, FR
138.75.113.66 AS4773 MobileOne Ltd. Mobile/Internet Service Provider Singapore 2.72ms from Singapore, SG
80.110.210.2 AS8412 T-Mobile Austria GmbH 4.14ms from Vienna, AT
218.249.33.2 AS4808 China Unicom Beijing Province Network 3.72ms from Beijing, CN
8.49.238.82 AS3356 Level 3 Parent, LLC 0.57ms from Chicago, US
209.91.109.178 AS852 TELUS Communications Inc. 0.85ms from Edmonton, CA
5.10.189.178 AS3209 Vodafone GmbH 6.98ms from Frankfurt am Main, DE
117.187.41.2 AS138407 The Internet Data Center of Guizhou Mobile Communication Company Limited 0.50ms from Guiyang, CN
34.101.177.210 AS396982 Google LLC 0.11ms from Jakarta, ID

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 128.4.246.21
traceroute to 128.4.246.21 (128.4.246.21): 6 hops max, 52 byte packets
2 [AS917] 199.119.65.3 2.821 ms
3 [AS969] 199.119.64.234 0.593 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Ashburn, 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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