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
91.143.148.250 █████████ 1
91.143.148.26 ████████ 1
91.143.157.140 ████████ 1
128.4.20.226 ██████████ 1
128.4.31.86 ██████████ 1
128.4.31.222 ████████ 1
91.143.148.178 ██████████ 1

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Peers

There are 21 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
AS29091 ipNX Nigeria Limited
AS34 University of Delaware
AS37613 DOLPHIN TELECOMMUNICATION LIMITED
AS37628 KAB Technologies
AS41837 "South telephone company" LLC
AS52640 USCM - COMUNICACAO MULTIMIDIA LTDA.
AS52752 Vegas Telecom Informática Ltda.
AS53142 Friburgo Online LTDA ME
AS59362 KS Network Limited
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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
91.143.155.1 AS2 University of Delaware 21.50ms from Moscow, RU
91.143.146.166 AS2 University of Delaware 21.27ms from Moscow, RU
91.143.157.131 AS2 University of Delaware 20.05ms from Moscow, RU
91.143.151.22 AS2 University of Delaware 21.37ms from Moscow, RU
128.4.41.1 AS2 University of Delaware 4.62ms from Reston, US
177.84.48.33 AS2 University of Delaware 3.18ms from Joao Pessoa, BR
91.143.150.28 AS2 University of Delaware 21.53ms from Moscow, RU
91.143.149.241 AS2 University of Delaware 22.74ms from Moscow, RU
91.143.156.34 AS2 University of Delaware 22.02ms from Moscow, RU
128.4.33.3 AS2 University of Delaware 4.38ms from Reston, US
91.143.158.50 AS2 University of Delaware 20.19ms from Moscow, RU
91.143.152.1 AS2 University of Delaware 26.01ms from Samara, RU
91.143.144.16 AS2 University of Delaware 21.29ms from Moscow, RU
91.143.148.161 AS2 University of Delaware 20.00ms from Moscow, RU
91.143.147.90 AS2 University of Delaware 21.66ms from Moscow, RU
91.143.159.253 AS2 University of Delaware 21.30ms 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
87.153.176.146 AS3320 Deutsche Telekom AG 2.26ms from Berlin, DE
52.26.198.146 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
34.219.47.242 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
109.137.97.194 AS5432 Proximus NV 1.93ms from Brussels, BE
197.133.86.146 AS24835 Vodafone Data 10.14ms from Cairo, EG
190.139.115.18 AS7303 Telecom Argentina S.A. 1.18ms from Cordoba, AR
174.143.49.226 AS33070 Rackspace Hosting 1.00ms from Dallas, US
169.62.223.178 AS36351 IBM Cloud 1.20ms from Dallas, US
106.221.84.146 AS45609 Bharti Airtel Ltd. AS for GPRS Service 7.13ms from Delhi, IN
5.10.189.178 AS3209 Vodafone GmbH 6.55ms from Frankfurt am Main, DE
113.186.253.130 AS45899 VNPT Corp 2.73ms from Hanoi, VN
23.231.176.162 AS132839 POWER LINE DATACENTER 1.06ms from Hong Kong, HK
118.136.61.2 AS23700 Linknet-Fastnet ASN 4.29ms from Jakarta, ID
31.166.145.210 AS35819 Etihad Etisalat, a joint stock company 3.67ms from Jeddah, SA
117.214.199.82 AS9829 National Internet Backbone 7.19ms from Kolkata, IN
73.24.157.178 AS7922 Comcast Cable Communications, LLC 11.91ms from Los Angeles, US
46.234.244.178 AS20811 Retelit Digital Services S.p.A. 4.58ms from Milan, IT
217.7.21.2 AS3320 Deutsche Telekom AG 3.01ms from Nuernberg, DE
60.122.201.194 AS17676 SoftBank Corp. 4.08ms from Osaka, JP
155.178.102.2 AS4046 Federal Aviation Administration 1.77ms from Philadelphia, US
151.53.144.114 AS1267 WIND TRE S.P.A. 9.06ms from Rome, IT
156.229.142.210 AS54801 Zillion Network Inc. 0.59ms from San Jose, US
52.78.206.226 AS16509 Amazon.com, Inc. 0.30ms from Seoul, KR
199.188.208.2 AS17378 TierPoint, LLC 0.84ms from St. Louis, US
109.109.117.82 AS30925 DELTA Fiber Nederland B.V. 2.06ms from Amsterdam, NL

Traceroute

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

$
traceroute -a -n -q1 -m5 128.4.85.54
traceroute to 128.4.85.54 (128.4.85.54): 5 hops max, 52 byte packets
2 [AS29049] 85.132.80.69 1.566 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Baku, AZ
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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