81.186.0.0/17

AS8248  ·  Computer Technology Institute and Press Diophantus

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Summary

Country Greece
Domain sch.gr
ASN AS8248
Registry RIPE
ID GR-EDUNET

WHOIS Details

inetnum:        81.186.0.0 - 81.186.223.255
netname:        GR-EDUNET
country:        GR
org:            ORG-GHIN1-RIPE
admin-c:        GEN5-RIPE
tech-c:         GEN5-RIPE
status:         ASSIGNED PI
mnt-by:         GR-EDUNET-NOC
mnt-by:         RIPE-NCC-END-MNT
created:        2003-01-11T09:06:05Z
last-modified:  2025-07-24T07:57:13Z
source:         RIPE
sponsoring-org: ORG-GRaT1-RIPE
abuse-email:    [email protected]
abuse-c:        AR20144-RIPE
abuse-org:      ORG-GRaT1-RIPE

organisation:   ORG-GHIN1-RIPE
org-name:       Computer Technology Institute and Press Diophantus
country:        GR
org-type:       OTHER
address:        Campus, Building B
address:        Rio, 26500
address:        Patra, GREECE
mnt-ref:        GR-EDUNET-NOC
mnt-by:         GR-EDUNET-NOC
created:        2011-01-11T13:13:59Z
last-modified:  2023-07-24T09:47:20Z
source:         RIPE
abuse-c:        AR20144-RIPE
e-mail:         [email protected]
abuse-email:    [email protected]
abuse-c:        AR20144-RIPE
abuse-org:      undefined

role:           GR EDUNET NOC
address:        Greek High-School Internet Network (backbone and access)
address:        Network Operations Center
address:        GREECE
phone:          +30 2610960340
fax-no:         +30 2610960350
e-mail:         [email protected]
remarks:        trouble: mailto: [email protected]
admin-c:        MP19253-RIPE
tech-c:         DK24-RIPE
tech-c:         AL7412-RIPE
tech-c:         MO4480-RIPE
mnt-by:         GR-EDUNET-NOC
nic-hdl:        GEN5-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2025-07-24T10:47:17Z
source:         RIPE
abuse-mailbox:  [email protected]

Nearby Ranges

BGP prefixes that overlap with 81.186.0.0/16

Range ASN Company Num of IPs
81.186.240.0/20 AS29518 Bredband2 AB 4,096
81.186.224.0/20 AS35174 CityNet sp. z o.o. 4,096

Hosted domains

There are 7 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
81.186.21.81 didereth.gr 1
81.186.35.146 macfarlaneroyalbank.com 1
81.186.48.160 1epal-iraklio.gr 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

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

IP Address ASN Details
81.186.61.217 AS8248 Computer Technology Institute and Press Diophantus 21.79ms from Athens, GR
81.186.117.43 AS8248 Computer Technology Institute and Press Diophantus 9.82ms from Athens, GR
81.186.109.145 AS8248 Computer Technology Institute and Press Diophantus 42.26ms from Thessaloniki, GR
81.186.88.155 AS8248 Computer Technology Institute and Press Diophantus 13.53ms from Athens, GR
81.186.69.77 AS8248 Computer Technology Institute and Press Diophantus 10.57ms from Athens, GR
81.186.85.249 AS8248 Computer Technology Institute and Press Diophantus 23.43ms from Athens, GR
81.186.75.1 AS8248 Computer Technology Institute and Press Diophantus 1.01ms from Athens, GR
81.186.73.127 AS8248 Computer Technology Institute and Press Diophantus 5.26ms from Athens, GR
81.186.90.53 AS8248 Computer Technology Institute and Press Diophantus 8.40ms from Athens, GR
81.186.28.18 AS8248 Computer Technology Institute and Press Diophantus 7.08ms from Athens, GR
81.186.98.50 AS8248 Computer Technology Institute and Press Diophantus 7.96ms from Athens, GR
81.186.81.216 AS8248 Computer Technology Institute and Press Diophantus 10.34ms from Athens, GR
81.186.63.108 AS8248 Computer Technology Institute and Press Diophantus 20.66ms from Athens, GR
81.186.15.229 AS8248 Computer Technology Institute and Press Diophantus 5.80ms from Athens, GR
81.186.67.157 AS8248 Computer Technology Institute and Press Diophantus 8.25ms from Athens, GR
81.186.119.194 AS8248 Computer Technology Institute and Press Diophantus 11.81ms from Athens, GR
81.186.99.23 AS8248 Computer Technology Institute and Press Diophantus 20.16ms from Thessaloniki, GR
81.186.77.117 AS8248 Computer Technology Institute and Press Diophantus 13.28ms from Athens, GR
81.186.111.125 AS8248 Computer Technology Institute and Press Diophantus 15.64ms from Athens, GR
81.186.93.96 AS8248 Computer Technology Institute and Press Diophantus 8.31ms from Athens, GR
81.186.65.33 AS8248 Computer Technology Institute and Press Diophantus 5.22ms from Athens, GR
81.186.26.253 AS8248 Computer Technology Institute and Press Diophantus 17.67ms from Athens, GR
81.186.55.99 AS8248 Computer Technology Institute and Press Diophantus 171.02ms from Des Moines, US
81.186.71.4 AS8248 Computer Technology Institute and Press Diophantus 15.15ms from Athens, GR
81.186.8.122 AS8248 Computer Technology Institute and Press Diophantus 6.91ms from Athens, GR

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
92.109.27.1 AS33915 Vodafone Libertel B.V. 1.15ms from Amsterdam, NL
77.250.96.1 AS33915 Vodafone Libertel B.V. 4.27ms from Amsterdam, NL
185.171.49.49 AS49033 Critical Core BV 0.17ms from Amsterdam, NL
3.208.160.113 AS14618 Amazon.com, Inc. 0.56ms from Ashburn, US
124.254.51.225 AS17964 Beijing Dian-Xin-Tong Network Technologies Co., Ltd. 4.89ms from Beijing, CN
139.210.229.1 AS4837 CHINA UNICOM China169 Backbone 17.47ms from Beijing, CN
194.95.189.1 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 0.90ms from Berlin, DE
181.61.236.1 AS10620 Telmex Colombia S.A. 15.29ms from Bogota, CO
190.143.45.1 AS10620 Telmex Colombia S.A. 15.11ms from Bogota, CO
188.83.227.1 AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 0.70ms from Braga, PT
109.88.41.1 AS12392 VOO S.A. 2.79ms from Brussels, BE
67.22.74.1 AS11260 EastLink 13.14ms from Calgary, CA
209.115.232.33 AS852 TELUS Communications Inc. 4.91ms from Calgary, CA
58.46.4.1 AS4134 CHINANET-BACKBONE 4.94ms from Changsha, CN
119.4.208.113 AS4837 CHINA UNICOM China169 Backbone 3.84ms from Chengdu, CN
50.82.76.1 AS30036 Mediacom Communications Corp 3.69ms from Chicago, US
2.104.172.1 AS3292 TDC Holding A/S 1.66ms from Copenhagen, DK
186.127.35.1 AS7303 Telecom Argentina S.A. 2.97ms from Cordoba, AR
118.179.46.1 AS23956 AmberIT Limited 0.38ms from Dhaka, BD
175.178.62.129 AS45090 Shenzhen Tencent Computer Systems Company Limited 2.01ms from Guangzhou, CN
62.206.25.1 AS20676 Plusnet GmbH 2.06ms from Hamburg, DE
115.29.210.65 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.74ms from Hangzhou, CN
73.6.94.161 AS7922 Comcast Cable Communications, LLC 4.93ms from Houston, US
165.139.94.1 AS11686 Zayo Bandwidth 0.68ms from Indianapolis, US
39.56.128.1 AS17557 Pakistan Telecommunication Company Limited 3.74ms from Islamabad, PK

Traceroute

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

$
traceroute -a -n -q1 -f2 81.186.85.249
traceroute to 81.186.85.249 (81.186.85.249): 64 hops max, 52 byte packets
2 [] 176.126.38.31 1.074 ms
4 *
5 [AS8248] 81.186.85.249 23.601 ms
Measurement taken from IPinfo ProbeNet in Athens, GR
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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