31.172.221.0/24

AS12389 · PJSC Rostelecom

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Summary

Country	Russia
Domain	kaluga.ru
ASN	AS12389
Parent Range	31.172.192.0/19
Registry	RIPE
ID	MACROREGIONAL_CENTER

WHOIS Details

inetnum:        31.172.220.0 - 31.172.223.255
netname:        MACROREGIONAL_CENTER
descr:          OJSC Rostelecom, Kaluga branch
descr:          ex-netname:BRAS_DHCP_POOL_31
country:        RU
mnt-lower:      ROSTELECOM-MNT
mnt-routes:     ROSTELECOM-MNT
remarks:        INFRA-AW
admin-c:        KLG6-RIPE
tech-c:         KLG6-RIPE
status:         ASSIGNED PA
mnt-by:         KLGELECS-MNT
mnt-lower:      KLGELECS-MNT
created:        2012-06-09T09:42:58Z
last-modified:  2017-04-19T11:51:21Z
source:         RIPE
abuse-email:    abuse@rt.ru
abuse-c:        RTNC-RIPE
abuse-org:      ORG-JR8-RIPE

role:           Kaluga Elecs NOC
address:        OJSC Rostelecom
address:        38, Teatralnaya str.
address:        248600 Kaluga
address:        Russia
phone:          +7 4842 563932
e-mail:         noc@kaluga.ru
admin-c:        ALS5-RIPE
tech-c:         GVAN1-RIPE
tech-c:         ALEC2-RIPE
tech-c:         ADEM2-RIPE
abuse-mailbox:  abuse@kaluga.ru
remarks:        ---------------------------------------------------------
remarks:        CIT monitoring group is available 24 x 7
remarks:        ---------------------------------------------------------
remarks:        SPAM and Network security issues: abuse@kaluga.ru
remarks:        Network administration: noc@kaluga.ru
remarks:        Network monitoring: monitoring@kaluga.ru
remarks:        DNS administration: dnsmaster@kaluga.ru
remarks:        Web hosting: hosting@kaluga.ru
remarks:        Techsupport: support@kaluga.ru
remarks:        ---------------------------------------------------------
nic-hdl:        KLG6-RIPE
mnt-by:         KLGELECS-MNT
created:        2002-02-07T13:35:10Z
last-modified:  2013-11-14T07:43:16Z
source:         RIPE

route:          31.172.216.0/21
descr:          RU-CTC-20110405-4
descr:          JSC Rostelecomelecom Kaluga branch
mnt-lower:      ROSTELECOM-MNT
mnt-routes:     ROSTELECOM-MNT
origin:         AS15468
mnt-by:         KLGELECS-MNT
created:        2012-09-25T07:02:43Z
last-modified:  2017-04-19T11:49:15Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 31.172.221.0/24

Range	ASN	Company	Num of IPs
31.172.192.0/19	AS15468	PJSC Rostelecom	8,192

Nearby Ranges

BGP prefixes that overlap with 31.172.0.0/16

Range	ASN	Company	Num of IPs
31.172.0.0/18	AS50629	rrbone GmbH	16,384
31.172.192.0/19	AS15468	PJSC Rostelecom	8,192
31.172.80.0/20	AS44066	firstcolo GmbH	4,096
31.172.240.0/20	AS34920	Team Blue Carrier Limited	4,096
31.172.112.0/20	AS60955	Wavecon GmbH	4,096
31.172.176.0/20	AS31242	P4 Sp. z o.o.	4,096
31.172.152.0/21	AS198024	Istekki Oy	2,048
31.172.104.0/21	AS15943	wilhelm.tel GmbH	2,048
31.172.144.0/21	AS8632	Luxembourg Online S.A.	2,048
31.172.96.0/21	AS50629	rrbone GmbH	2,048
31.172.136.0/21	AS1820	Load.me sp. z o. o.	2,048
31.172.232.0/21	AS30781	Free Pro SAS	2,048
31.172.160.0/22	AS30781	Free Pro SAS	1,024
31.172.168.0/22	AS15967	Nazwa.pl Sp.z.o.o.	1,024
31.172.172.0/22	AS216269	SARL ARD-COM	1,024
31.172.164.0/22	AS41765	IPGarde SAS	1,024
31.172.224.0/22	AS43700	UAB Consilium Optimum	1,024
31.172.128.0/22	AS50340	JSC Selectel	1,024
31.172.228.0/23	AS16347	ACESI Group SAS	512
31.172.170.0/23	AS15967	VPS and dedicated servers	512
31.172.134.0/23	AS50340	JSC Selectel	512
31.172.136.0/23	AS24685	DOMONET by WNET	512
31.172.142.0/24	AS1820	Load.me sp. z o. o.	256
31.172.161.0/24	AS41370	Jaguar Network	256
31.172.143.0/24	AS41540	Unlimited project, http://unlimited.ua/	256
31.172.69.0/24	AS62904	www.fornex.com, Fornex Hosting S.L.	256
31.172.79.0/24	AS62904	www.fornex.com, Fornex Hosting S.L.	256
31.172.68.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.70.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.71.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.72.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.73.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.75.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.77.0/24	AS44051	www.fornex.com, Fornex Hosting S.L.	256
31.172.140.0/24	AS24685	DOMONET by WNET	256
31.172.132.0/24	AS44963	Stavtelecom LLC	256
31.172.133.0/24	AS44963	Joint Stock company KMVtelecom	256
31.172.64.0/24	AS48018	www.fornex.com, Fornex Hosting S.L.	256
31.172.66.0/24	AS48018	www.fornex.com, Fornex Hosting S.L.	256
31.172.67.0/24	AS48018	www.fornex.com, Fornex Hosting S.L.	256
31.172.76.0/24	AS48018	www.fornex.com, Fornex Hosting S.L.	256
31.172.65.0/24	AS48040	www.fornex.com, Fornex Hosting S.L.	256
31.172.168.0/24	AS15967	VPS and dedicated servers	256
31.172.74.0/24	AS16003	www.fornex.com, Fornex Hosting S.L.	256
31.172.239.0/24	AS57694	Jaguar Network	256
31.172.83.0/24	AS214036	UltaHost Inc	256
31.172.87.0/24	AS214036	UltaHost Inc	256
31.172.169.0/24	AS15967	VPS and dedicated servers	256
31.172.78.0/24	AS16003	www.fornex.com, Fornex Hosting S.L.	256
31.172.141.0/24	AS24685	DOMONET by WNET	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
31.172.221.3	AS12389 PJSC Rostelecom	`9.47ms` 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
172.210.34.72	AS8075 Microsoft Corporation	`0.44ms` from Ashburn, US
86.124.21.72	AS8708 DIGI ROMANIA S.A.	`0.56ms` from Bucharest, RO
83.196.72.72	AS3215 Orange S.A.	`9.38ms` from Frankfurt am Main, DE
80.153.32.8	AS3320 Deutsche Telekom AG	`8.34ms` from Frankfurt am Main, DE
135.220.40.168	AS8075 Microsoft Corporation	`0.28ms` from Frankfurt am Main, DE
69.63.218.8	AS906 DMIT Cloud Services	`0.34ms` from Los Angeles, US
103.131.93.216	AS134022 Genstar Network Solutions Pvt Ltd.	`0.45ms` from Mumbai, IN
83.172.44.104	AS56981 JSC "ER-Telecom Holding"	`4.64ms` from Novosibirsk, RU
129.219.192.88	AS2900 Arizona Tri University Network	`0.85ms` from Phoenix, US
34.201.212.136	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
156.154.133.200	AS12008 Vercara, LLC	`0.15ms` from San Jose, US
131.201.251.200	AS399381 Resideo Technologies, Inc	`1.59ms` from Amsterdam, NL
39.122.100.72	AS9318 SK Broadband Co Ltd	`1.80ms` from Incheon, KR
74.225.89.120	AS8075 Microsoft Corporation	`12.33ms` from Kolhapur, IN
1.9.216.152	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	`1.90ms` from Kuala Lumpur, MY
76.137.217.88	AS7922 Comcast Cable Communications, LLC	`10.07ms` from Los Angeles, US
176.213.12.232	AS42682 JSC "ER-Telecom Holding"	`6.25ms` from Moscow, RU
185.229.116.88	AS42366 TerraTransit AG	`0.27ms` from Nuernberg, DE
114.69.147.248	AS9614 Oita Cable Telecom Co,ltd.	`11.34ms` from Osaka, JP
90.89.79.120	AS3215 Orange S.A.	`14.89ms` from Paris, FR
2.42.138.216	AS30722 Vodafone Italia S.p.A.	`6.15ms` from Rome, IT
111.243.141.168	AS3462 Data Communication Business Group	`1.93ms` from Taipei, TW
175.173.46.184	AS4837 CHINA UNICOM China169 Backbone	`9.20ms` from Tieling, CN
69.158.116.200	AS577 Bell Canada	`5.26ms` from Toronto, CA
168.245.93.72	AS11377 SendGrid, Inc.	`0.38ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 -f2 31.172.221.1

traceroute to 31.172.221.1 (31.172.221.1): 64 hops max, 52 byte packets

2 [AS12389] 188.254.71.65 0.835 ms

3 [AS12389] 31.172.221.1 10.856 ms

Measurement taken from

IPinfo ProbeNet in Moscow, RU

On January 19th 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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