212.128.64.0/20

AS766 · RedIRIS Autonomous System

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Summary

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

WHOIS Details

inetnum:        212.128.64.0 - 212.128.76.255
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:        2004-04-19T11:15:28Z
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:          212.128.64.0/20
descr:          RedIRIS Provider Block
origin:         AS766
mnt-by:         REDIRIS-NMC
created:        2024-12-11T12:38:28Z
last-modified:  2024-12-11T12:39:34Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 212.128.0.0/16

Range	ASN	Company	Num of IPs
212.128.128.0/17	AS766	Universidad de Salamanca	32,768
212.128.0.0/18	AS766	Universidad de Alcala de Henares	16,384
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
212.128.101.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.120.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.119.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.126.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.118.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.102.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.104.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.103.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.111.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.109.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.121.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.108.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.105.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.107.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.123.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.110.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.100.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.106.0/24	AS200521	Entidad Publica Empresarial Red.es	256
212.128.127.0/24	AS200521	Entidad Publica Empresarial Red.es	256

Hosted domains

There are 12 domain names hosted across 10 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
212.128.70.202	robesafe.com	2
212.128.70.111	huellaco2.org	2
212.128.70.148	cuadernosdecomic.com	1
212.128.70.46	spaceweather.es	1
212.128.71.209	invett.es	1
212.128.70.245	reprografiauah.es	1
212.128.70.151	corpuscharta.com	1
212.128.70.48	senmes.es	1
212.128.70.147	corpuscodea.es	1
212.128.70.64	eurobot.es	1

Hosted domains API

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Pingable IPs

3,806 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
212.128.68.60	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.71.151	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.78.146	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.65.179	AS766 RedIRIS Autonomous System	1.32ms from Madrid, ES
212.128.73.38	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.74.234	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.72.39	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.77.208	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.75.96	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.69.234	AS766 RedIRIS Autonomous System	1.32ms from Madrid, ES
212.128.76.224	AS766 RedIRIS Autonomous System	1.31ms from Madrid, ES
212.128.70.253	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.67.127	AS766 RedIRIS Autonomous System	1.34ms from Madrid, ES
212.128.79.172	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.64.144	AS766 RedIRIS Autonomous System	1.33ms from Madrid, ES
212.128.66.109	AS766 RedIRIS Autonomous System	1.33ms 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
199.87.28.20	AS29778 Mid-Atlantic Tech Services, LLC	1.43ms from Ashburn, US
113.191.164.36	AS45899 VNPT Corp	4.00ms from Hanoi, VN
120.223.251.100	AS9808 China Mobile Communications Group Co., Ltd.	0.48ms from Jinan, CN
20.175.45.164	AS8075 Microsoft Corporation	0.19ms from Quebec, CA
31.186.239.228	AS55256 Netskope Inc	0.24ms from Amsterdam, NL
79.239.240.196	AS3320 Deutsche Telekom AG	2.96ms from Hamburg, DE
40.142.78.84	AS17378 TierPoint, LLC	3.33ms from New York City, US
68.195.174.52	AS6128 Cablevision Systems Corp.	2.78ms from New York City, US
38.57.175.244	AS174 Cogent Communications	0.72ms from Secaucus, US
193.92.89.20	AS1241 Forthnet	0.72ms from Athens, GR
80.209.41.4	AS44869 FIBIA P/S	1.40ms from Copenhagen, DK
86.182.26.20	AS2856 British Telecommunications PLC	2.33ms from London, GB
105.175.227.212	AS37119 UNITEL SA	3.42ms from Luanda, AO
83.193.29.4	AS3215 Orange S.A.	18.51ms from Paris, FR
188.233.32.116	AS39435 JSC "ER-Telecom Holding"	10.81ms from Samara, RU
40.118.206.180	AS8075 Microsoft Corporation	0.56ms from San Jose, US
149.3.11.196	AS35805 JSC "Silknet"	1.08ms from Tbilisi, GE
43.230.122.4	AS133954 Exord Online	0.66ms from Dhaka, BD
109.156.252.132	AS2856 British Telecommunications PLC	5.86ms from London, GB
182.135.55.52	AS4134 CHINANET-BACKBONE	6.38ms from Chengdu, CN
117.235.37.100	AS9829 National Internet Backbone	8.53ms from Delhi, IN
185.175.160.84	AS9009 M247 Europe SRL	0.27ms from Frankfurt am Main, DE
176.37.195.36	AS39608 Lanet Network Ltd	0.58ms from Kyiv, UA
216.164.149.100	AS6079 RCN	7.63ms from Philadelphia, US
193.187.105.4	AS202656 XServerCloud	0.44ms from Amsterdam, NL

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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