77.51.144.0/21

AS12389 · PJSC Rostelecom

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	Russia
Domain	rt.ru
ASN	AS12389
Parent Range	77.51.0.0/16
Registry	RIPE
ID	MACROREGIONAL_CENTER

WHOIS Details

inetnum:        77.51.144.0 - 77.51.149.255
netname:        MACROREGIONAL_CENTER
descr:          ex-netname: CTC-DSLAM
descr:          Rostelecom, Moscow Region Branch
descr:          DSL access network in Moscow region
country:        RU
admin-c:        CTC1-RIPE
tech-c:         CTC1-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-CTC
created:        2011-11-24T13:45:34Z
last-modified:  2012-08-16T10:58:43Z
source:         RIPE
abuse-email:    abuse@rt.ru
abuse-c:        RTNC-RIPE
abuse-org:      ORG-JR8-RIPE

role:           OJSC Rostelecom
address:        29/2 Narodnogo Opolcheniya str.,
address:        123154, Moscow
abuse-mailbox:  ripe@rt.ru
e-mail:         vyacheslav.shelukhin@rt.ru
e-mail:         yurov@mo.center.rt.ru
admin-c:        AY25515
tech-c:         AY25515
nic-hdl:        CTC1-RIPE
mnt-by:         MNT-CTC
created:        2009-06-29T07:45:40Z
last-modified:  2022-02-18T14:02:19Z
source:         RIPE

route:          77.51.144.0/21
descr:          Rostelecom networks
origin:         AS12389
notify:         ripe@rt.ru
mnt-by:         ROSTELECOM-MNT
created:        2018-10-24T11:58:44Z
last-modified:  2018-10-24T11:58:44Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 77.51.144.0/21

Range	ASN	Company	Num of IPs
77.51.0.0/16	AS25515	PJSC Rostelecom	65,536

Nearby Ranges

BGP prefixes that overlap with 77.51.0.0/16

Range	ASN	Company	Num of IPs
77.51.0.0/16	AS25515	PJSC Rostelecom	65,536
77.51.184.0/21	AS25515	DSL access network in Moscow region	2,048
77.51.192.0/21	AS25515	Podolsk PPPoE pool	2,048
77.51.200.0/21	AS25515	R1 Flate rate poolA	2,048

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

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

IP Address	ASN	Details
77.51.145.110	AS12389 PJSC Rostelecom	`1.77ms` from Moscow, RU
77.51.150.153	AS12389 PJSC Rostelecom	`1.74ms` from Moscow, RU
77.51.147.113	AS12389 PJSC Rostelecom	`1.74ms` from Moscow, RU
77.51.149.207	AS12389 PJSC Rostelecom	`1.79ms` from Moscow, RU
77.51.146.218	AS12389 PJSC Rostelecom	`1.77ms` from Moscow, RU
77.51.148.101	AS12389 PJSC Rostelecom	`1.74ms` from Moscow, RU
77.51.151.189	AS12389 PJSC Rostelecom	`1.80ms` from Moscow, RU
77.51.144.183	AS12389 PJSC Rostelecom	`1.72ms` from Moscow, RU

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
12.163.23.5	AS7018 AT&T Enterprises, LLC	`1.32ms` from Atlanta, US
51.9.27.101	AS6871 Plusnet	`7.61ms` from Erith, GB
103.38.161.21	AS55858 Speedy Group Corporation Limited	`1.06ms` from Hong Kong, HK
183.165.237.213	AS4134 CHINANET-BACKBONE	`8.91ms` from Huai'an, CN
82.17.191.133	AS5089 Virgin Media Limited	`6.41ms` from London, GB
109.0.71.133	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`1.20ms` from Paris, FR
5.199.184.5	AS44702 JORDANIAN EUROPEAN INTERNET SERVICES CO LLC	`3.82ms` from Petaẖ Tiqva, IL
50.29.169.245	AS3737 PenTeleData Inc.	`8.46ms` from Philadelphia, US
190.11.11.101	AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP	`2.30ms` from Quito, EC
203.208.33.69	AS24424 Beijing Gu Xiang Information Technology Co.,Ltd.	`2.69ms` from Shanghai, CN
108.61.186.213	AS20473 The Constant Company, LLC	`0.18ms` from Tokyo, JP
182.168.44.229	AS2527 Sony Network Communications Inc.	`1.69ms` from Tokyo, JP
111.21.146.245	AS9808 China Mobile Communications Group Co., Ltd.	`8.86ms` from Xi'an, CN
169.61.108.5	AS36351 IBM Cloud	`0.42ms` from Ashburn, US
121.21.60.101	AS4837 CHINA UNICOM China169 Backbone	`13.46ms` from Beijing, CN
66.81.196.5	AS40034 Confluence Networks Inc	`1.35ms` from Dallas, US
57.128.136.117	AS16276 OVH SAS	`0.06ms` from Erith, GB
123.156.14.85	AS4837 CHINA UNICOM China169 Backbone	`7.54ms` from Hangzhou, CN
20.187.255.21	AS8075 Microsoft Corporation	`0.28ms` from Hong Kong, HK
98.150.145.165	AS20001 Charter Communications Inc	`5.67ms` from Honolulu, US
176.233.19.85	AS34984 Superonline Iletisim Hizmetleri A.S.	`3.91ms` from Istanbul, TR
89.119.171.69	AS8968 BT Italia S.p.A.	`5.83ms` from Milan, IT
69.202.151.21	AS12271 Charter Communications Inc	`4.71ms` from New York City, US
72.80.9.117	AS701 Verizon Business	`3.20ms` from New York City, US
73.38.225.117	AS7922 Comcast Cable Communications, LLC	`7.65ms` from Providence, 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 77.51.149.172

traceroute to 77.51.149.172 (77.51.149.172): 64 hops max, 52 byte packets

3 [AS12389] 217.107.118.211 1.717 ms

4 [AS12389] 77.51.149.172 1.797 ms

Measurement taken from

IPinfo ProbeNet in Moscow, RU

On March 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales