81.28.48.0/23

AS25306 · INSTITUTE ISIRAN

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Summary

Country	Iran
Domain	isiran-net.com
ASN	AS25306
Parent Range	81.28.32.0/19
Registry	RIPE
ID	ISIRAN-AGHDASIEH-E1

WHOIS Details

inetnum:        81.28.48.0 - 81.28.48.255
netname:        ISiran-Aghdasieh-E1
descr:          Institute ISiran
country:        IR
admin-c:        MR3009-RIPE
tech-c:         MR3009-RIPE
status:         ASSIGNED PA
mnt-by:         INSTITUTE-ISIRAN-MNT
created:        2011-12-31T05:52:08Z
last-modified:  2011-12-31T05:52:08Z
source:         RIPE
abuse-email:    abuse@isiran-net.com
abuse-c:        ISI1392
abuse-org:      ORG-IA32-RIPE

person:         Mohammad Razeghi
address:        34th Street, Hesaari St.,
address:        Mirdamad St., Tehran.
address:        Zip 15489
phone:          +98-21-22801834
fax-no:         +98-21-22806925
nic-hdl:        MR3009-RIPE
notify:         technical@isiran-net.com
remarks:        * Please send abuse reports to: *
remarks:        abuse@isiran-net.com
mnt-by:         INSTITUTE-ISIRAN-MNT
created:        2003-11-09T13:14:16Z
last-modified:  2016-10-16T09:49:18Z
source:         RIPE
phone:          +98-912-3724029

route:          81.28.48.0/24
descr:          Isiran Institute Block
descr:          Local Internet Registry
notify:         majlessi@isiran-net.com
origin:         AS25306
mnt-by:         INSTITUTE-ISIRAN-MNT
created:        2016-02-15T13:12:01Z
last-modified:  2016-02-15T13:12:01Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 81.28.48.0/23

Range	ASN	Company	Num of IPs
81.28.32.0/19	AS25306	IsIran	8,192

BGP prefixes that are contained by 81.28.48.0/23

Range	ASN	Company	Num of IPs
81.28.48.0/24	AS25306	Institute ISiran	256

Nearby Ranges

BGP prefixes that overlap with 81.28.0.0/16

Range	ASN	Company	Num of IPs
81.28.32.0/19	AS25306	IsIran	8,192
81.28.160.0/19	AS8439	PJSC Rostelecom	8,192
81.28.208.0/20	AS39586	NPP Saturn Telecom Ltd.	4,096
81.28.16.0/20	AS702	Verizon Czech s.r.o.	4,096
81.28.144.0/20	AS397766	Fairleigh Dickinson University	4,096
81.28.80.0/20	AS39647	Enreach Netherlands B.V.	4,096
81.28.112.0/20	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	4,096
81.28.192.0/20	AS24904	K-NET SARL	4,096
81.28.96.0/20	AS41770	Leonard Birritteri trading as IMINGO SERVICES	4,096
81.28.128.0/20	AS41491	Stadtwerke Kapfenberg GmbH	4,096
81.28.8.0/22	AS60087	Netsons s.r.l.	1,024
81.28.252.0/22	AS206495	Gostaresh Ertebat Azin Kia Company PJSC	1,024
81.28.44.0/23	AS25306	Ofogh Isp	512
81.28.46.0/23	AS25306	kanoon Internet Service Provider	512
81.28.36.0/23	AS25306	Iran,Tehran,Aghdasieh POP	512
81.28.236.0/23	AS29014	Location Berlin 2	512
81.28.40.0/24	AS25306	Institute Isiran Aghdasieh POP	256
81.28.39.0/24	AS25306	Malek Ashtar University Of Technology	256
81.28.13.0/24	AS199524	G-Core Labs Customer assignment	256
81.28.6.0/24	AS204548	O.M.C. COMPUTERS & COMMUNICATIONS LTD	256
81.28.48.0/24	AS25306	Institute ISiran	256
81.28.38.0/24	AS25306	Institute ISiran	256
81.28.15.0/24	AS199524	G-Core Labs Customer assignment	256
81.28.59.0/24	AS25306	IsIran	256
81.28.41.0/24	AS25306	IsIran	256
81.28.61.0/24	AS25306	IsIran	256
81.28.52.0/24	AS25306	Iran,Tehran,Aghdasieh POP	256
81.28.60.0/24	AS25306	IsIran	256
81.28.7.0/24	AS44709	O.M.C. COMPUTERS & COMMUNICATIONS LTD	256
81.28.120.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.124.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.121.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.127.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.113.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.112.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.4.0/24	AS210329	O.M.C. COMPUTERS & COMMUNICATIONS LTD	256
81.28.125.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.126.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.122.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.123.0/24	AS47887	AL-HADATHEH LIL-ITISALAT WA AL-TECHNOLOGIA CO.	256
81.28.244.0/24	AS51538	TekCom clients network	256
81.28.247.0/24	AS51538	TekCom clients network	256
81.28.246.0/24	AS51538	TekCom clients network	256
81.28.5.0/24	AS210329	O.M.C. COMPUTERS & COMMUNICATIONS LTD	256
81.28.42.0/24	AS25306	Elearning Department	256
81.28.43.0/24	AS25306	SaShiraz Industry Company	256

Hosted domains

There are no domains currently hosted on this ASN.

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

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
62.153.28.247	AS3320 Deutsche Telekom AG	`3.92ms` from Berlin, DE
77.183.12.23	AS6805 Telefonica Germany GmbH & Co.OHG	`3.03ms` from Berlin, DE
71.150.230.199	AS7018 AT&T Enterprises, LLC	`7.79ms` from Chicago, US
74.196.206.39	AS19108 Optimum	`15.50ms` from Dallas, US
217.112.101.55	AS49605 Digital Telecommunication Services S.r.l.	`11.94ms` from Milan, IT
80.138.80.87	AS3320 Deutsche Telekom AG	`3.94ms` from Munich, DE
78.139.193.55	AS50512 JSC ER-Telecom Holding	`4.77ms` from Novosibirsk, RU
73.88.69.215	AS7922 Comcast Cable Communications, LLC	`15.26ms` from Orlando, US
118.20.76.151	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.83ms` from Tokyo, JP
97.109.72.7	AS812 Rogers Communications Canada Inc.	`4.59ms` from Calgary, CA
126.49.122.103	AS17676 SoftBank Corp.	`13.22ms` from Osaka, JP
18.228.194.55	AS16509 Amazon.com, Inc.	`0.16ms` from Osasco, BR
39.82.181.103	AS4837 CHINA UNICOM China169 Backbone	`6.16ms` from Qingdao, CN
3.93.20.199	AS14618 Amazon.com, Inc.	`0.40ms` from Reston, US
218.155.197.215	AS4766 Korea Telecom	`2.04ms` from Seoul, KR
91.248.204.7	AS9145 EWE TEL GmbH	`5.70ms` from Amsterdam, NL
173.28.228.71	AS30036 Mediacom Communications Corp	`5.10ms` from Atlanta, US
73.26.121.135	AS7922 Comcast Cable Communications, LLC	`14.70ms` from Denver, US
146.112.71.71	AS36692 Cisco OpenDNS, LLC	`0.23ms` from Dubai, AE
183.179.196.167	AS9269 Hong Kong Broadband Network Ltd.	`1.08ms` from Hong Kong, HK
31.129.93.167	AS51069 Volodymyr Shtark	`7.89ms` from Kyiv, UA
92.173.235.55	AS3215 Orange S.A.	`3.78ms` from Paris, FR
20.94.184.7	AS8075 Microsoft Corporation	`0.20ms` from San Antonio, US
104.240.244.247	AS5650 Frontier Communications of America, Inc.	`19.37ms` from Chicago, US
97.241.186.71	AS6167 Verizon Business	`14.03ms` 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 -m5 81.28.49.95

traceroute to 81.28.49.95 (81.28.49.95): 5 hops max, 52 byte packets

1 [AS31898] 140.91.242.6 0.062 ms

2 [AS15802] 91.74.125.170 0.35 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Abu Dhabi, AE

On April 13th 2026

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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