IPv4 prefix

31.0.0.0/8

IP Prefix (CIDR)
31.0.0.0/8
Subnet Mask
255.0.0.0
Address Count
16,777,216
Registration 1 of 8
Owner
RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry
RIPENCC
Registered Prefix
31.0.0.0/8 (31.0.0.0 - 31.255.255.255)
Delegated Prefix
31.99.128.0/18 (31.99.128.0 - 31.99.191.255)
Registration 2 of 8
Owner
Polkomtel Sp. z o.o.
Handle
ORG-PN5-RIPE
Country
Poland (PL)
Address
ul. Pulawska 466 02-884 Warszawa POLAND
Registry
RIPENCC
Registered Prefixes
31.0.0.0/21 (31.0.0.0 - 31.0.7.255)
31.0.8.0/21 (31.0.8.0 - 31.0.15.255)

31.0.16.0/26 (31.0.16.0 - 31.0.16.63)

31.0.16.64/29 (31.0.16.64 - 31.0.16.71)

31.0.16.72/29 (31.0.16.72 - 31.0.16.79)

31.0.16.80/28 (31.0.16.80 - 31.0.16.95)

31.0.16.96/27 (31.0.16.96 - 31.0.16.127)

31.0.16.128/27 (31.0.16.128 - 31.0.16.159)

31.0.16.160/29 (31.0.16.160 - 31.0.16.167)

31.0.20.0/24 (31.0.20.0 - 31.0.20.255)

31.0.21.0/24 (31.0.21.0 - 31.0.21.255)

31.0.22.0/24 (31.0.22.0 - 31.0.22.255)

31.0.23.0/24 (31.0.23.0 - 31.0.23.255)

31.0.24.0/21 (31.0.24.0 - 31.0.31.255)

31.0.32.0/21 (31.0.32.0 - 31.0.39.255)

31.0.40.0/21 (31.0.40.0 - 31.0.47.255)

31.0.48.0/21 (31.0.48.0 - 31.0.55.255)

31.0.56.0/21 (31.0.56.0 - 31.0.63.255)

31.0.64.0/21 (31.0.64.0 - 31.0.71.255)

31.0.72.0/21 (31.0.72.0 - 31.0.79.255)

31.0.80.0/20 (31.0.80.0 - 31.0.95.255)

31.0.96.0/21 (31.0.96.0 - 31.0.103.255)

31.0.104.0/21 (31.0.104.0 - 31.0.111.255)

31.0.128.0/21 (31.0.128.0 - 31.0.135.255)

31.0.136.0/21 (31.0.136.0 - 31.0.143.255)

31.0.156.0/25 (31.0.156.0 - 31.0.156.127)

31.0.156.128/25 (31.0.156.128 - 31.0.156.255)

31.0.157.0/24 (31.0.157.0 - 31.0.157.255)

31.0.160.0/21 (31.0.160.0 - 31.0.167.255)

31.0.168.0/21 (31.0.168.0 - 31.0.175.255)

31.0.180.0/24 (31.0.180.0 - 31.0.180.255)

31.0.181.0/24 (31.0.181.0 - 31.0.181.255)

31.0.182.0/24 (31.0.182.0 - 31.0.182.255)

31.0.183.0/24 (31.0.183.0 - 31.0.183.255)

31.0.184.0/24 (31.0.184.0 - 31.0.184.255)

31.0.185.0/24 (31.0.185.0 - 31.0.185.255)

31.0.186.0/24 (31.0.186.0 - 31.0.186.255)

31.0.187.0/24 (31.0.187.0 - 31.0.187.255)

31.0.188.0/24 (31.0.188.0 - 31.0.188.255)

31.0.189.0/24 (31.0.189.0 - 31.0.189.255)

31.0.192.0/21 (31.0.192.0 - 31.0.199.255)

31.0.200.0/21 (31.0.200.0 - 31.0.207.255)

31.0.208.0/21 (31.0.208.0 - 31.0.215.255)

31.0.216.0/21 (31.0.216.0 - 31.0.223.255)

31.0.224.0/21 (31.0.224.0 - 31.0.231.255)

31.0.232.0/21 (31.0.232.0 - 31.0.239.255)

31.0.240.0/21 (31.0.240.0 - 31.0.247.255)

31.0.248.0/21 (31.0.248.0 - 31.0.255.255)
Delegated Prefix
31.0.0.0/16 (31.0.0.0 - 31.0.255.255)
Registration 3 of 8
Owner
Cyfrowy Polsat S.A.
Handle
ORG-CPS8-RIPE
Country
Poland (PL)
Address
ul. Lubinowa 4a 03-878 Warsaw Poland
Registry
RIPENCC
Registered Prefixes
31.0.112.0/21 (31.0.112.0 - 31.0.119.255)
31.0.120.0/21 (31.0.120.0 - 31.0.127.255)

31.0.144.0/21 (31.0.144.0 - 31.0.151.255)
Delegated Prefix
31.0.0.0/16 (31.0.0.0 - 31.0.255.255)
Registration 4 of 8
Handle
POLKOMTEL-MNT
Country
Poland (PL)
Registry
RIPENCC
Registered Prefixes
31.0.152.0/22 (31.0.152.0 - 31.0.155.255)
31.0.176.0/22 (31.0.176.0 - 31.0.179.255)
Delegated Prefix
31.0.0.0/16 (31.0.0.0 - 31.0.255.255)
Registration 5 of 8
Owner
Amazon.com, Inc.
Handle
AMAZO-4
Address
Amazon Web Services, Inc. P.O. Box 81226 Seattle WA 98108-1226 United States
Registry
ARIN
Registered Prefixes
31.1.0.0/16 (31.1.0.0 - 31.1.255.255)
31.2.0.0/17 (31.2.0.0 - 31.2.127.255)
Registration 6 of 8
Handle
MCCI-MNT
Country
Iran (Islamic Republic of) (IR)
Registry
RIPENCC
Registered Prefixes
31.2.128.0/18 (31.2.128.0 - 31.2.191.255)
31.2.192.0/18 (31.2.192.0 - 31.2.255.255)
Delegated Prefix
31.2.128.0/17 (31.2.128.0 - 31.2.255.255)
Registration 7 of 8
Handle
MNCDN-MNT
Country
Türkiye (TR)
Registry
RIPENCC
Registered Prefixes
31.3.0.0/24 (31.3.0.0 - 31.3.0.255)
31.3.1.0/24 (31.3.1.0 - 31.3.1.255)

31.3.2.0/24 (31.3.2.0 - 31.3.2.255)

31.3.4.0/24 (31.3.4.0 - 31.3.4.255)

31.3.5.0/24 (31.3.5.0 - 31.3.5.255)

31.3.6.0/24 (31.3.6.0 - 31.3.6.255)

31.3.7.0/24 (31.3.7.0 - 31.3.7.255)
Delegated Prefix
31.3.0.0/21 (31.3.0.0 - 31.3.7.255)
Registration 8 of 8
Handle
BREEDBAND-MNT
Country
Netherlands (NL)
Registry
RIPENCC
Registered Prefixes
31.3.8.0/28 (31.3.8.0 - 31.3.8.15)
31.3.8.16/28 (31.3.8.16 - 31.3.8.31)

31.3.8.32/30 (31.3.8.32 - 31.3.8.35)

31.3.8.38/31 (31.3.8.38 - 31.3.8.39)

31.3.8.40/32 (31.3.8.40 - 31.3.8.40)

31.3.8.41/32 (31.3.8.41 - 31.3.8.41)

31.3.8.42/32 (31.3.8.42 - 31.3.8.42)

31.3.8.43/32 (31.3.8.43 - 31.3.8.43)

31.3.8.44/30 (31.3.8.44 - 31.3.8.47)

31.3.8.48/28 (31.3.8.48 - 31.3.8.63)

31.3.8.64/30 (31.3.8.64 - 31.3.8.67)

31.3.8.68/30 (31.3.8.68 - 31.3.8.71)

31.3.8.72/30 (31.3.8.72 - 31.3.8.75)

31.3.8.76/30 (31.3.8.76 - 31.3.8.79)

31.3.8.132/31 (31.3.8.132 - 31.3.8.133)

31.3.8.134/32 (31.3.8.134 - 31.3.8.134)

31.3.8.135/32 (31.3.8.135 - 31.3.8.135)

31.3.8.136/29 (31.3.8.136 - 31.3.8.143)

31.3.8.152/29 (31.3.8.152 - 31.3.8.159)

31.3.8.168/29 (31.3.8.168 - 31.3.8.175)

31.3.8.176/28 (31.3.8.176 - 31.3.8.191)

31.3.8.192/28 (31.3.8.192 - 31.3.8.207)

31.3.8.208/29 (31.3.8.208 - 31.3.8.215)

31.3.8.216/29 (31.3.8.216 - 31.3.8.223)

31.3.8.224/29 (31.3.8.224 - 31.3.8.231)

31.3.8.232/29 (31.3.8.232 - 31.3.8.239)

31.3.8.240/28 (31.3.8.240 - 31.3.8.255)

31.3.9.0/30 (31.3.9.0 - 31.3.9.3)

31.3.9.4/30 (31.3.9.4 - 31.3.9.7)

31.3.9.8/30 (31.3.9.8 - 31.3.9.11)

31.3.9.12/30 (31.3.9.12 - 31.3.9.15)

31.3.9.16/30 (31.3.9.16 - 31.3.9.19)

31.3.9.20/30 (31.3.9.20 - 31.3.9.23)

31.3.9.24/30 (31.3.9.24 - 31.3.9.27)

31.3.9.28/30 (31.3.9.28 - 31.3.9.31)
Delegated Prefix
31.3.8.0/21 (31.3.8.0 - 31.3.15.255)

These results are partial. Additional registration records were omitted.

Announced Prefix Relationship Origin ASN Description Country First Address Last Address
31.0.0.0/16 More specific AS8374 Polkomtel Sp. z o.o. Poland (PL) 31.0.0.0 31.0.255.255
31.1.0.0/16 More specific AS16509 Amazon.com Inc. United States of America (US) 31.1.0.0 31.1.255.255
31.2.0.0/17 More specific AS16509 Amazon.com Inc. United States of America (US) 31.2.0.0 31.2.127.255
31.2.128.0/17 More specific AS197207 Mobile Communication Company of Iran PLC Iran (Islamic Republic of) (IR) 31.2.128.0 31.2.255.255
31.3.0.0/21 More specific AS21245 MEDIANOVA INTERNET HIZMETLERI VE TICARET ANONIM SIRKETI Türkiye (TR) 31.3.0.0 31.3.7.255
31.3.8.0/21 More specific AS5524 Signet B.V. Netherlands (NL) 31.3.8.0 31.3.15.255
31.3.16.0/21 More specific AS47747 Limited Liability Company TeleTower Russian Federation (RU) 31.3.16.0 31.3.23.255
31.3.24.0/21 More specific AS25591 BCLan LLC Russian Federation (RU) 31.3.24.0 31.3.31.255
31.3.32.0/19 More specific AS28952 O2 Business Services a.s Slovakia (SK) 31.3.32.0 31.3.63.255
31.3.64.0/21 More specific AS60819 Safenames Ltd. United Kingdom of Great Britain and Northern Ireland (GB) 31.3.64.0 31.3.71.255
31.3.72.0/21 More specific AS8368 Dstny BE N.V. Belgium (BE) 31.3.72.0 31.3.79.255
31.3.80.0/21 More specific AS196714 Thueringer Netkom GmbH Germany (DE) 31.3.80.0 31.3.87.255
31.3.88.0/22 More specific AS34547 TELESMART TELEKOM DOO North Macedonia (MK) 31.3.88.0 31.3.91.255
31.3.92.0/24 More specific AS34547 TELESMART TELEKOM DOO North Macedonia (MK) 31.3.92.0 31.3.92.255
31.3.93.0/24 More specific AS43612 Company for communications services A1 Makedonija DOOEL Skopje North Macedonia (MK) 31.3.93.0 31.3.93.255
31.3.94.0/24 More specific AS43612 Company for communications services A1 Makedonija DOOEL Skopje North Macedonia (MK) 31.3.94.0 31.3.94.255
31.3.95.0/24 More specific AS34547 TELESMART TELEKOM DOO North Macedonia (MK) 31.3.95.0 31.3.95.255
31.3.96.0/22 More specific AS20857 Signet B.V. Netherlands (NL) 31.3.96.0 31.3.99.255
31.3.100.0/24 More specific AS35470 Signet B.V. Netherlands (NL) 31.3.100.0 31.3.100.255
31.3.101.0/24 More specific AS20857 Signet B.V. Netherlands (NL) 31.3.101.0 31.3.101.255
31.3.102.0/23 More specific AS20857 Signet B.V. Netherlands (NL) 31.3.102.0 31.3.103.255
31.3.104.0/21 More specific AS197731 The Internet Engineering Group B.V. Netherlands (NL) 31.3.104.0 31.3.111.255
31.3.112.0/21 More specific AS2114 ESCUELAS DE ESTUDIOS SUPERIORES ESIC SACERDOTES DEL CORAZON DE JESUS PADRES REPARADORES Spain (ES) 31.3.112.0 31.3.119.255
31.3.120.0/21 More specific AS31577 AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL Spain (ES) 31.3.120.0 31.3.127.255
31.3.128.0/24 More specific AS212865 netconnect AG Switzerland (CH) 31.3.128.0 31.3.128.255
31.3.129.0/24 More specific AS199662 Exion Networks SA Switzerland (CH) 31.3.129.0 31.3.129.255
31.3.131.0/24 More specific AS199662 Exion Networks SA Switzerland (CH) 31.3.131.0 31.3.131.255
31.3.134.0/23 More specific AS199662 Exion Networks SA Switzerland (CH) 31.3.134.0 31.3.135.255
31.3.136.0/21 More specific AS8426 Claranet Limited United Kingdom of Great Britain and Northern Ireland (GB) 31.3.136.0 31.3.143.255
31.3.144.0/22 More specific AS49097 Manage Now GmbH Germany (DE) 31.3.144.0 31.3.147.255
31.3.150.0/23 More specific AS49097 Manage Now GmbH Germany (DE) 31.3.150.0 31.3.151.255
31.3.152.0/21 More specific AS51430 AltusHost B.V. Netherlands (NL) 31.3.152.0 31.3.159.255
31.3.168.0/21 More specific AS200043 CESENA NET S.R.L. Italy (IT) 31.3.168.0 31.3.175.255
31.3.176.0/20 More specific AS200043 CESENA NET S.R.L. Italy (IT) 31.3.176.0 31.3.191.255
31.3.192.0/20 More specific AS197743 PRIVATE JOINT STOCK COMPANY DATAGROUP Ukraine (UA) 31.3.192.0 31.3.207.255
31.3.208.0/24 More specific AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.208.0 31.3.208.255
31.3.209.0/24 More specific AS48716 PS Internet Company LLP Kazakhstan (KZ) 31.3.209.0 31.3.209.255
31.3.210.0/24 More specific AS206470 Menzel IT GmbH Germany (DE) 31.3.210.0 31.3.210.255
31.3.211.0/24 More specific AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.211.0 31.3.211.255
31.3.212.0/23 More specific AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.212.0 31.3.213.255
31.3.214.0/23 More specific AS198400 IP Austria Communication GmbH Austria (AT) 31.3.214.0 31.3.215.255
31.3.216.0/24 More specific AS213173 NSP LLC Kyrgyzstan (KG) 31.3.216.0 31.3.216.255
31.3.217.0/24 More specific AS200468 ALVAREZ & MARSAL DISPUTES AND INVESTIGATIONS LLP United Kingdom of Great Britain and Northern Ireland (GB) 31.3.217.0 31.3.217.255
31.3.218.0/23 More specific AS201112 Andrzej Erenc trading as awHost Poland (PL) 31.3.218.0 31.3.219.255
31.3.220.0/24 More specific AS212420 Abaila Koop. S.Coop. Spain (ES) 31.3.220.0 31.3.220.255
31.3.221.0/24 More specific AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.221.0 31.3.221.255
31.3.222.0/24 More specific AS214547 ISTANBUL SABIHA GOKCEN ULUSLARARASI HAVALIMANI YATIRIM YAPIM VE ISLETME ANONIM SIRKETI Türkiye (TR) 31.3.222.0 31.3.222.255
31.3.223.0/24 More specific AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.223.0 31.3.223.255
31.3.224.0/19 More specific AS20860 IOMART CLOUD SERVICES LIMITED United Kingdom of Great Britain and Northern Ireland (GB) 31.3.224.0 31.3.255.255
31.4.0.0/16 More specific AS12430 VODAFONE ESPANA S.A.U. Spain (ES) 31.4.0.0 31.4.255.255
31.5.0.0/16 More specific AS12302 Vodafone Romania S.A. Romania (RO) 31.5.0.0 31.5.255.255
31.6.1.0/24 More specific AS215362 Promo Plus SRL Romania (RO) 31.6.1.0 31.6.1.255
31.6.2.0/24 More specific AS29802 HIVELOCITY Inc. United States of America (US) 31.6.2.0 31.6.2.255
31.6.6.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.6.0 31.6.6.255
31.6.10.0/23 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.10.0 31.6.11.255
31.6.12.0/24 More specific AS212335 Simoresta UAB Lithuania (LT) 31.6.12.0 31.6.12.255
31.6.13.0/24 More specific AS64267 Sprious LLC United States of America (US) 31.6.13.0 31.6.13.255
31.6.14.0/23 More specific AS215764 Ismael Munoz Hernandez Spain (ES) 31.6.14.0 31.6.15.255
31.6.16.0/24 More specific AS215764 Ismael Munoz Hernandez Spain (ES) 31.6.16.0 31.6.16.255
31.6.17.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.17.0 31.6.17.255
31.6.19.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.19.0 31.6.19.255
31.6.20.0/24 More specific AS149948 PT Magna Network Indonesia (ID) 31.6.20.0 31.6.20.255
31.6.24.0/24 More specific AS54252 Sprious LLC United States of America (US) 31.6.24.0 31.6.24.255
31.6.28.0/23 More specific AS400909 TRAVCHIS LLC United States of America (US) 31.6.28.0 31.6.29.255
31.6.36.0/24 More specific AS29802 HIVELOCITY Inc. United States of America (US) 31.6.36.0 31.6.36.255
31.6.41.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.41.0 31.6.41.255
31.6.42.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.42.0 31.6.42.255
31.6.43.0/24 More specific AS205980 W&D CORP - FZCO United Arab Emirates (AE) 31.6.43.0 31.6.43.255
31.6.45.0/24 More specific AS209043 IPRoyal Services FZE LLC United Arab Emirates (AE) 31.6.45.0 31.6.45.255
31.6.46.0/24 More specific AS211373 Simoresta UAB Lithuania (LT) 31.6.46.0 31.6.46.255
31.6.47.0/24 More specific AS402857 Highland Trek Outdoor Camping Supplies LLC United States of America (US) 31.6.47.0 31.6.47.255
31.6.50.0/24 More specific AS213200 Ferdinand Zink trading as Tube-Hosting Germany (DE) 31.6.50.0 31.6.50.255
31.6.51.0/24 More specific AS399073 BUNNY TECHNOLOGY LLC United States of America (US) 31.6.51.0 31.6.51.255
31.6.53.0/24 More specific AS202656 Ivanov Vitaliy Sergeevich Ukraine (UA) 31.6.53.0 31.6.53.255
31.6.56.0/24 More specific AS9009 M247 Europe SRL Romania (RO) 31.6.56.0 31.6.56.255
31.6.57.0/24 More specific AS395374 Cyber Sainik United States of America (US) 31.6.57.0 31.6.57.255
31.6.58.0/24 More specific AS22363 Powerhouse Management Inc. United States of America (US) 31.6.58.0 31.6.58.255
31.6.62.0/24 More specific AS16276 OVH SAS France (FR) 31.6.62.0 31.6.62.255
31.6.63.0/24 More specific AS140641 YOTTA NETWORK SERVICES PRIVATE LIMITED India (IN) 31.6.63.0 31.6.63.255
31.6.64.0/21 More specific AS39869 Livenet Sp. z o.o. Poland (PL) 31.6.64.0 31.6.71.255
31.6.68.0/22 More specific AS59491 Livenet Sp. z o.o. Poland (PL) 31.6.68.0 31.6.71.255
31.6.72.0/21 More specific AS34555 C.C.S. (Leeds) Ltd United Kingdom of Great Britain and Northern Ireland (GB) 31.6.72.0 31.6.79.255
31.6.80.0/20 More specific AS34758 Axera SpA Italy (IT) 31.6.80.0 31.6.95.255
31.6.96.0/19 More specific AS59815 Trinity Ltd Russian Federation (RU) 31.6.96.0 31.6.127.255
31.6.128.0/18 More specific AS21021 Multimedia Polska Sp. z o.o. Poland (PL) 31.6.128.0 31.6.191.255
31.6.192.0/19 More specific AS21021 Multimedia Polska Sp. z o.o. Poland (PL) 31.6.192.0 31.6.223.255
31.6.218.0/24 More specific AS29314 VECTRA S.A. Poland (PL) 31.6.218.0 31.6.218.255
31.6.246.0/24 More specific AS8374 Polkomtel Sp. z o.o. Poland (PL) 31.6.246.0 31.6.246.255
31.6.247.0/24 More specific AS50606 Horyzont Technologie Internetowe sp.z.o.o. Poland (PL) 31.6.247.0 31.6.247.255
31.6.248.0/22 More specific AS44643 Multimedia Polska Sp. z o.o. Poland (PL) 31.6.248.0 31.6.251.255
31.7.0.0/21 More specific AS20847 Previder B.V. Netherlands (NL) 31.7.0.0 31.7.7.255
31.7.8.0/21 More specific AS8676 PRT Systems Limited United Kingdom of Great Britain and Northern Ireland (GB) 31.7.8.0 31.7.15.255
31.7.16.0/20 More specific AS719 Elisa Oyj Finland (FI) 31.7.16.0 31.7.31.255
31.7.32.0/21 More specific AS7768 Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAYAR TEKNOLOJILERI Türkiye (TR) 31.7.32.0 31.7.39.255
31.7.40.0/21 More specific AS35063 Chopin Telewizja Kablowa spolka z ograniczona odpowiedzialnoscia Poland (PL) 31.7.40.0 31.7.47.255
31.7.48.0/21 More specific AS49221 Atlantek Computers Teoranta Ltd Ireland (IE) 31.7.48.0 31.7.55.255
31.7.56.0/21 More specific AS51852 Private Layer INC Panama (PA) 31.7.56.0 31.7.63.255
31.7.64.0/20 More specific AS43754 Asiatech Data Transmission company Iran (Islamic Republic of) (IR) 31.7.64.0 31.7.79.255
31.7.80.0/23 More specific AS51020 Al-Jazeera Al-Arabiya Company for Communication and Internet LTD Iraq (IQ) 31.7.80.0 31.7.81.255
31.7.80.0/24 More specific AS198589 Al-Jazeera Al-Arabiya Company for Communication and Internet LTD Iraq (IQ) 31.7.80.0 31.7.80.255

Showing the first 100 announced prefixes. Additional more-specific announcements were omitted.