212.128.0.0/18

AS766  ·  RedIRIS Autonomous System

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Summary

Country Spain
Domain uah.es
ASN AS766
Registry RIPE
ID UAH

WHOIS Details

inetnum:        212.128.8.0 - 212.128.19.255
netname:        UAH
descr:          Universidad de Alcala de Henares
descr:          Alcala de Henares
country:        ES
admin-c:        MPS205-RIPE
tech-c:         MPS205-RIPE
abuse-c:        IRIS5-RIPE
status:         ASSIGNED PA
mnt-irt:        IRT-IRISCERT
remarks:        Incident handling for organizations affiliated with RedIRIS
remarks:        Spanish Academic and Research Network.
remarks:        emergency phone number +34 647 300 717
remarks:        timezone GMT+01 (GMT+02 with DST)
remarks:        use cert@iriscert.es for security, spam and abuse notifications
mnt-by:         REDIRIS-NMC
notify:         iris-nic@rediris.es
created:        1970-01-01T00:00:00Z
last-modified:  2025-04-09T09:24:51Z
source:         RIPE
abuse-email:    cert@iriscert.es
abuse-c:        IRIS5-RIPE
abuse-org:      ORG-RA6-RIPE

person:         Manuel Perez Santander
address:        Universidad de Alcala de Henares
address:        Servicio de comunicaciones
address:        Campus Universitario
address:        E-28871 Alcala de Henares, Madrid
address:        SPAIN
phone:          +34 918854706
e-mail:         comunicaciones@uah.es
nic-hdl:        MPS205-RIPE
notify:         iris-nic@rediris.es
mnt-by:         REDIRIS-NMC
created:        2023-02-20T08:49:39Z
last-modified:  2023-02-20T08:49:39Z
source:         RIPE

route:          212.128.0.0/18
descr:          RedIRIS Provider Block
origin:         AS766
notify:         iris-nic@rediris.es
mnt-by:         REDIRIS-NMC
created:        2015-09-14T08:56:06Z
last-modified:  2015-09-14T08:56:06Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 212.128.0.0/16

Range ASN Company Num of IPs
212.128.96.0/22 AS200521 Entidad Publica Empresarial Red.es 1,024
212.128.116.0/23 AS200521 Entidad Publica Empresarial Red.es 512
212.128.108.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.110.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.101.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.121.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.123.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.114.0/24 AS200521 Entidad Publica Empresarial Red.es 256
212.128.103.0/24 AS200521 Entidad Publica Empresarial Red.es 256

Hosted domains

There are 20 domain names hosted across 14 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
212.128.28.85 irriman-platform.es 4
212.128.20.183 upct.es 3
212.128.43.160 telecolanparty.es 2
212.128.42.84 proyectoyciudad.es 1
212.128.1.222 ibertrib.org 1
212.128.1.7 grupoacpinmobiliaria.es 1
212.128.20.21 up4.tech 1
212.128.3.86 economiaaplicada.es 1
212.128.43.19 in4wood.eu 1
212.128.44.254 jval.es 1
212.128.1.223 jespa.es 1
212.128.43.11 fiestasupct.org 1
212.128.42.77 dayra-upct.es 1
212.128.43.4 girtel.es 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

3,559 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
212.128.22.121 AS766 RedIRIS Autonomous System 10.15ms from Madrid, ES
212.128.18.236 AS766 RedIRIS Autonomous System 1.28ms from Madrid, ES
212.128.32.1 AS766 RedIRIS Autonomous System 10.21ms from Madrid, ES
212.128.14.42 AS766 RedIRIS Autonomous System 1.26ms from Madrid, ES
212.128.3.6 AS766 RedIRIS Autonomous System 1.93ms from Madrid, ES
212.128.4.1 AS766 RedIRIS Autonomous System 2.24ms from Madrid, ES
212.128.15.224 AS766 RedIRIS Autonomous System 1.28ms from Madrid, ES
212.128.11.76 AS766 RedIRIS Autonomous System 1.27ms from Madrid, ES
212.128.17.119 AS766 RedIRIS Autonomous System 1.27ms from Madrid, ES
212.128.42.215 AS766 RedIRIS Autonomous System 10.26ms from Madrid, ES
212.128.16.195 AS766 RedIRIS Autonomous System 1.28ms from Madrid, ES
212.128.43.161 AS766 RedIRIS Autonomous System 10.11ms from Madrid, ES
212.128.24.7 AS766 RedIRIS Autonomous System 10.05ms from Madrid, ES
212.128.25.63 AS766 RedIRIS Autonomous System 10.12ms from Madrid, ES
212.128.28.198 AS766 RedIRIS Autonomous System 10.04ms from Madrid, ES
212.128.10.78 AS766 RedIRIS Autonomous System 1.26ms from Madrid, ES
212.128.13.20 AS766 RedIRIS Autonomous System 1.24ms from Madrid, ES
212.128.9.195 AS766 RedIRIS Autonomous System 1.26ms from Madrid, ES
212.128.45.127 AS766 RedIRIS Autonomous System 10.04ms from Madrid, ES
212.128.8.164 AS766 RedIRIS Autonomous System 1.27ms from Madrid, ES
212.128.27.130 AS766 RedIRIS Autonomous System 10.16ms from Madrid, ES
212.128.20.115 AS766 RedIRIS Autonomous System 10.04ms from Madrid, ES
212.128.21.201 AS766 RedIRIS Autonomous System 10.33ms from Madrid, ES
212.128.19.20 AS766 RedIRIS Autonomous System 1.27ms from Madrid, ES
212.128.0.1 AS766 RedIRIS Autonomous System 1.82ms from Madrid, ES

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
65.254.51.178 AS11042 NETWORK TRANSIT HOLDINGS LLC 0.54ms from Atlanta, US
71.30.0.2 AS7029 Windstream Communications LLC 5.50ms from Atlanta, US
202.112.120.34 AS4538 China Education and Research Network Center 3.93ms from Beijing, CN
34.222.211.66 AS16509 Amazon.com, Inc. 0.52ms from Boardman, US
34.72.173.194 AS396982 Google LLC 0.11ms from Council Bluffs, US
42.101.63.82 AS137698 Haerbing , Heilongjiang Province, P.R.China. 12.73ms from Dalian, CN
169.44.98.242 AS36351 IBM Cloud 0.86ms from Dallas, US
69.162.92.130 AS46475 Limestone Networks, Inc. 0.25ms from Dallas, US
97.225.89.82 AS6167 Verizon Business 17.63ms from Dallas, US
84.181.196.82 AS3320 Deutsche Telekom AG 5.82ms from Frankfurt am Main, DE
71.204.182.146 AS7922 Comcast Cable Communications, LLC 5.93ms from Fremont, US
1.48.21.98 AS4134 CHINANET-BACKBONE 3.16ms from Guiyang, CN
52.56.207.178 AS16509 Amazon.com, Inc. 0.14ms from London, GB
86.29.145.178 AS5089 Virgin Media Limited 14.00ms from London, GB
188.12.21.2 AS3269 Telecom Italia S.p.A. 19.86ms from Milan, IT
133.232.134.34 AS2514 NTT PC Communications, Inc. 5.61ms from Osaka, JP
61.156.18.18 AS4837 CHINA UNICOM China169 Backbone 7.51ms from Qingdao, CN
178.64.233.18 AS12389 PJSC Rostelecom 10.47ms from Saint Petersburg, RU
20.158.232.18 AS8070 Microsoft Corporation 1.31ms from San Antonio, US
73.235.198.2 AS7922 Comcast Cable Communications, LLC 8.78ms from San Jose, US
211.52.226.114 AS9318 SK Broadband Co Ltd 3.77ms from Seoul, KR
194.15.99.130 AS213607 WORLD FIRST COMMUNICATION LTD 1.02ms from Singapore, SG
218.168.255.2 AS3462 Data Communication Business Group 1.48ms from Taipei, TW
60.121.100.2 AS17676 SoftBank Corp. 3.29ms from Tokyo, JP
89.151.1.2 AS29314 VECTRA S.A. 0.66ms from Warsaw, PL

Traceroute

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

$
traceroute -a -n -q1 -f2 -m12 212.128.2.81
traceroute to 212.128.2.81 (212.128.2.81): 12 hops max, 52 byte packets
3 *
4 *
5 *
6 *
7 [] 185.79.175.154 36.535 ms
8 [AS766] 130.206.212.106 37.073 ms
9 [AS766] 193.145.15.82 50.662 ms
10 *
11 *
12 *
Measurement taken from IPinfo ProbeNet in Edinburgh, GB
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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