81.186.128.0/18

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:    abuse@sch.gr
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:         noc@sch.gr
abuse-email:    abuse@sch.gr
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:         noc@sch.gr
remarks:        trouble: mailto: abuse@sch.gr
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:  abuse@sch.gr

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 6 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
81.186.147.67 sekprevezas.gq 3
81.186.177.60 geobikas.gr 2
81.186.147.65 stavrosf.gq 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

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

IP Address ASN Details
81.186.130.244 AS8248 Computer Technology Institute and Press Diophantus 23.63ms from Athens, GR
81.186.129.161 AS8248 Computer Technology Institute and Press Diophantus 8.51ms from Athens, GR
81.186.131.219 AS8248 Computer Technology Institute and Press Diophantus 8.68ms from Athens, GR
81.186.175.103 AS8248 Computer Technology Institute and Press Diophantus 27.43ms from Athens, GR
81.186.177.53 AS8248 Computer Technology Institute and Press Diophantus 24.61ms from Athens, GR
81.186.182.74 AS8248 Computer Technology Institute and Press Diophantus 16.64ms from Athens, GR
81.186.184.165 AS8248 Computer Technology Institute and Press Diophantus 23.84ms from Athens, GR
81.186.147.67 AS8248 Computer Technology Institute and Press Diophantus 14.37ms from Athens, GR
81.186.149.6 AS8248 Computer Technology Institute and Press Diophantus 24.04ms from Athens, GR
81.186.159.83 AS8248 Computer Technology Institute and Press Diophantus 8.03ms from Athens, GR
81.186.166.68 AS8248 Computer Technology Institute and Press Diophantus 10.95ms from Athens, GR
81.186.145.129 AS8248 Computer Technology Institute and Press Diophantus 14.77ms from Athens, GR
81.186.164.116 AS8248 Computer Technology Institute and Press Diophantus 10.93ms from Athens, GR
81.186.176.103 AS8248 Computer Technology Institute and Press Diophantus 24.98ms from Athens, GR
81.186.156.147 AS8248 Computer Technology Institute and Press Diophantus 38.01ms from Thessaloniki, GR
81.186.161.158 AS8248 Computer Technology Institute and Press Diophantus 22.41ms from Athens, GR
81.186.189.34 AS8248 Computer Technology Institute and Press Diophantus 14.44ms from Athens, GR
81.186.163.248 AS8248 Computer Technology Institute and Press Diophantus 15.32ms from Athens, GR
81.186.152.179 AS8248 Computer Technology Institute and Press Diophantus 19.10ms from Athens, GR
81.186.168.126 AS8248 Computer Technology Institute and Press Diophantus 7.21ms from Athens, GR
81.186.180.123 AS8248 Computer Technology Institute and Press Diophantus 37.67ms from Athens, GR
81.186.178.168 AS8248 Computer Technology Institute and Press Diophantus 21.89ms from Athens, GR
81.186.157.9 AS8248 Computer Technology Institute and Press Diophantus 24.92ms from Athens, GR
81.186.174.52 AS8248 Computer Technology Institute and Press Diophantus 11.43ms from Athens, GR
81.186.167.117 AS8248 Computer Technology Institute and Press Diophantus 24.07ms 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
154.249.67.98 AS36947 Telecom Algeria 12.81ms from Algiers, DZ
184.58.227.34 AS10796 Charter Communications Inc 5.13ms from Chicago, US
198.47.109.114 AS3257 GTT Communications Inc. 0.27ms from Chicago, US
96.119.138.130 AS7922 Comcast Cable Communications, LLC 1.10ms from Denver, US
3.71.165.34 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
218.85.13.2 AS4134 CHINANET-BACKBONE 2.41ms from Fuzhou, CN
112.48.129.34 AS9808 China Mobile Communications Group Co., Ltd. 7.59ms from Fuzhou, CN
75.85.98.130 AS20001 Charter Communications Inc 5.91ms from Honolulu, US
196.39.26.82 AS20011 Dimension Data 0.81ms from Johannesburg, ZA
81.56.48.178 AS29447 SCALEWAY S.A.S. 5.00ms from Milan, IT
221.12.218.2 AS18144 Enecom,Inc. 7.03ms from Osaka, JP
185.97.254.2 AS49542 ArtPlanet LLC 0.87ms from Saint Petersburg, RU
67.160.225.146 AS7922 Comcast Cable Communications, LLC 7.44ms from San Jose, US
107.175.219.2 AS36352 HostPapa 0.28ms from Santa Clara, US
201.117.73.162 AS8151 UNINET 2.99ms from Santiago de Queretaro, MX
218.154.122.114 AS4766 Korea Telecom 7.37ms from Seoul, KR
216.138.17.2 AS12033 Adams TelSystems, Inc. 3.56ms from St. Louis, US
218.11.128.226 AS4837 CHINA UNICOM China169 Backbone 5.61ms from Tianjin, CN
41.100.185.162 AS36947 Telecom Algeria 12.90ms from Valencia, ES
64.21.191.2 AS14217 N6 Cloud inc. 0.37ms from Vancouver, CA
73.20.154.66 AS7922 Comcast Cable Communications, LLC 11.52ms from Atlanta, US
197.162.150.194 AS24863 Link Egypt (Link.NET) 17.32ms from Cairo, EG
41.32.15.130 AS8452 TE-AS 8.83ms from Cairo, EG
24.199.164.146 AS11426 Charter Communications Inc 1.41ms from Charlotte, US
50.204.104.210 AS7922 Comcast Cable Communications, LLC 1.54ms from Chicago, US

Traceroute

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

$
traceroute -a -n -q1 -f3 81.186.174.52
traceroute to 81.186.174.52 (81.186.174.52): 64 hops max, 52 byte packets
3 [] 176.126.38.31 5.199 ms
4 [AS5408] 62.217.98.115 1.999 ms
5 *
6 *
7 *
8 [AS8248] 81.186.174.52 11.963 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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