91.222.144.0/24

AS197479 · GREFNET Miroslaw Grefkowicz

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Summary

Country	Poland
Domain	grefnet.pl
ASN	AS197479
Parent Range	91.222.144.0/22
Registry	RIPE
ID	GREFNET

WHOIS Details

inetnum:        91.222.144.0 - 91.222.147.255
netname:        GREFNET
country:        PL
org:            ORG-GA244-RIPE
sponsoring-org: ORG-TLTA1-RIPE
admin-c:        GREF4-RIPE
tech-c:         GREF4-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         WITRYNA-MNT
notify:         lir@witryna.pl
created:        2010-12-20T10:19:36Z
last-modified:  2021-07-11T09:19:54Z
source:         RIPE
abuse-email:    michal@grefnet.pl
abuse-c:        GREF4-RIPE
abuse-org:      ORG-TLTA1-RIPE

organisation:   ORG-GA244-RIPE
org-name:       GREFNET Miroslaw Grefkowicz
country:        PL
org-type:       OTHER
address:        Humin 1A
address:        99-417 Bolimow
address:        Poland
e-mail:         michal@grefnet.pl
abuse-c:        GREF4-RIPE
mnt-ref:        WITRYNA-MNT
notify:         lir@witryna.pl
mnt-by:         WITRYNA-MNT
created:        2010-12-10T11:10:23Z
last-modified:  2022-12-01T16:26:51Z
source:         RIPE

role:           GREFNET Miroslaw Grefkowicz contact
address:        Humin 1A
address:        99-417 Bolimow
address:        Poland
e-mail:         michal@grefnet.pl
abuse-mailbox:  michal@grefnet.pl
e-mail:         info@grefnet.pl
phone:          +48 695330279
nic-hdl:        GREF4-RIPE
mnt-by:         WITRYNA-MNT
created:        2021-07-11T09:13:26Z
last-modified:  2021-07-11T09:13:26Z
source:         RIPE

route:          91.222.144.0/22
notify:         lir@witryna.pl
origin:         AS197479
mnt-by:         WITRYNA-MNT
created:        2021-07-10T14:39:35Z
last-modified:  2021-07-11T09:23:27Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 91.222.144.0/24

Range	ASN	Company	Num of IPs
91.222.144.0/22	AS197479	GREFNET Miroslaw Grefkowicz	1,024

Nearby Ranges

BGP prefixes that overlap with 91.222.0.0/16

Range	ASN	Company	Num of IPs
91.222.116.0/22	AS52101	INET CENTRUM SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA	1,024
91.222.188.0/22	AS1759	Visu Internet Oy	1,024
91.222.124.0/22	AS52078	MARTEL MARTA BIENIA	1,024
91.222.92.0/22	AS13026	XINON GmbH	1,024
91.222.148.0/22	AS52124	Falcom Sp. z o.o.	1,024
91.222.104.0/22	AS52139	Slovanet a.s.	1,024
91.222.192.0/22	AS52153	Pawel Kowalski BGCOM	1,024
91.222.244.0/22	AS52180	Nikolay Victorovich Kucheruk PE	1,024
91.222.248.0/22	AS52182	FOP Cherniavskyi Serhii Mykolayovych	1,024
91.222.252.0/22	AS52190	PE Dudnik-Holenishcheva Liliia Vasylevna	1,024
91.222.12.0/22	AS56415	Telecommunication company Comfort Ltd.	1,024
91.222.76.0/22	AS56812	CHP Zarko Alexandr Ivanovich	1,024
91.222.204.0/22	AS58224	Iran Telecommunication Company PJS	1,024
91.222.80.0/22	AS197454	Oleg Volodymyrovych Sopachov	1,024
91.222.144.0/22	AS197479	GREFNET Miroslaw Grefkowicz	1,024
91.222.160.0/22	AS197502	WMC SYSTEMY INFORMATYCZNE SP. Z O.O.	1,024
91.222.136.0/22	AS200000	DELTA-X LTD	1,024
91.222.44.0/22	AS201530	LVM Landwirtschaftlicher Versicherungsverein Muenster a.G.	1,024
91.222.140.0/22	AS206957	PHU Kario-Sat Sp. z o.o.	1,024
91.222.220.0/22	AS3257	FOP Styopin Vyacheslav Evgenovich	1,024
91.222.216.0/22	AS33991	Igra-Service LLC	1,024
91.222.36.0/22	AS35319	ALTAIR MEGA LLC	1,024
91.222.212.0/22	AS35434	Club Net - Fuja, Gincelis i Plonski - Sp. J.	1,024
91.222.72.0/22	AS39507	Biznes Swiatlowodem Sp. z o.o.	1,024
91.222.20.0/22	AS41352	D. A. Tsenov Svishtov Academy of Economics	1,024
91.222.228.0/22	AS41554	LEGIONCOM LTD	1,024
91.222.56.0/22	AS43113	Piotr Lukasik ETERNA	1,024
91.222.32.0/22	AS43258	Centr Servisnogo Oblslugovuvannya Ltd	1,024
91.222.176.0/22	AS44066	Link11 GmbH	1,024
91.222.84.0/22	AS47176	Point Solutions AG	1,024
91.222.208.0/22	AS48478	Mifril+ LLC	1,024
91.222.232.0/22	AS48543	DATAGROUP BIT GmbH	1,024
91.222.180.0/22	AS49359	Dmitry Kozhushko	1,024
91.222.152.0/22	AS49561	LLC VECHIR TELECOM	1,024
91.222.164.0/22	AS49828	LLC DARNET	1,024
91.222.168.0/22	AS50161	LLC VELES ISP	1,024
91.222.112.0/22	AS50401	LANTRACE LLC	1,024
91.222.4.0/22	AS51859	Virtual infrastructure	1,024
91.222.0.0/22	AS51866	City LAN	1,024
91.222.16.0/22	AS51874	PE Ulianynskiy Oleksandr	1,024
91.222.48.0/22	AS51917	Ivanova Nina Leonidovna	1,024
91.222.24.0/22	AS51960	Promarket Computers Sp. z o.o.	1,024
91.222.60.0/22	AS51972	SIM-TELECOM LLC.	1,024
91.222.68.0/22	AS51976	JP-Telekom Sp z o.o.	1,024
91.222.88.0/22	AS51979	AKSYCOM LTD	1,024
91.222.108.0/22	AS51986	PHU IT-SERWIS Tomasz Mozdzen	1,024
91.222.156.0/22	AS52062	Organisation Federal centre of informatization Central Election Commitee of Russian Federation	1,024
91.222.40.0/23	AS61299	ACUTUS.PRO sp. z o.o.	512
91.222.237.0/24	AS9123	JSC TIMEWEB	256
91.222.238.0/24	AS9123	JSC TIMEWEB	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
91.222.144.248	modernit.eu	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

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Pingable IPs

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

IP Address	ASN	Details
91.222.144.17	AS197479 "GREFNET" Miroslaw Grefkowicz	`2.56ms` from Warsaw, PL

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
98.158.158.232	AS2734 CoreSite	`0.16ms` from Ashburn, US
197.45.85.104	AS8452 TE-AS	`3.51ms` from Cairo, EG
218.76.73.24	AS4134 CHINANET-BACKBONE	`8.55ms` from Changsha, CN
186.68.132.120	AS14522 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. (XTRIM EC)	`6.94ms` from Guayaquil, EC
91.53.87.200	AS3320 Deutsche Telekom AG	`1.54ms` from Hamburg, DE
84.33.14.120	AS23470 ReliableSite.Net LLC	`0.39ms` from Miami, US
54.226.202.24	AS14618 Amazon.com, Inc.	`0.38ms` from Reston, US
125.177.2.152	AS17858 LG POWERCOMM	`1.45ms` from Seoul, KR
14.74.85.88	AS4766 Korea Telecom	`2.85ms` from Seoul, KR
121.139.155.216	AS4766 Korea Telecom	`1.46ms` from Seoul, KR
129.80.229.168	AS31898 Oracle Corporation	`0.23ms` from Ashburn, US
147.102.27.200	AS3323 National Technical University of Athens	`2.57ms` from Athens, GR
52.177.146.56	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US
173.94.210.24	AS11426 Charter Communications Inc	`9.15ms` from Charlotte, US
27.9.30.200	AS4837 CHINA UNICOM China169 Backbone	`2.15ms` from Chongqing, CN
106.223.129.88	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`5.83ms` from Delhi, IN
216.137.177.136	AS55293 A2 Hosting, Inc.	`0.04ms` from Detroit, US
41.136.171.8	AS23889 Mauritius Telecom Ltd	`2.67ms` from Ebene, MU
134.238.109.120	AS394089 Google LLC	`1.13ms` from Frankfurt am Main, DE
46.164.205.216	AS6856 AO IK "Informsvyaz-Chernozemye"	`8.22ms` from Moscow, RU
176.174.75.56	AS5410 Bouygues Telecom SA	`7.36ms` from Paris, FR
47.112.52.40	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.54ms` from Shenzhen, CN
126.141.10.184	AS17676 SoftBank Corp.	`3.11ms` from Tokyo, JP
121.103.74.248	AS2527 Sony Network Communications Inc.	`3.09ms` from Tokyo, JP
133.35.113.120	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`6.35ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -f3 91.222.144.18

traceroute to 91.222.144.18 (91.222.144.18): 64 hops max, 52 byte packets

3 [] 195.149.233.80 5.758 ms

4 [AS197479] 91.222.144.18 3.302 ms

Measurement taken from

IPinfo ProbeNet in Warsaw, PL

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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