IPv4 prefix
1.0.0.0/8
- IP Prefix (CIDR)
- 1.0.0.0/8
- Subnet Mask
- 255.0.0.0
- Address Count
- 16,777,216
Registration 1 of 11
- Owner
- Asia Pacific Network Information Center, Pty. Ltd.
- Handle
- ORG-APNI3-AP
- Country
-
Australia (AU)
- Address
- Level 1 - 33 Park Road
- Registry
- APNIC
- Registered Prefix
- 1.0.0.0/8 (1.0.0.0 - 1.255.255.255)
- Delegated Prefix
- 1.17.0.0/16 (1.17.0.0 - 1.17.255.255)
Registration 2 of 11
- Owner
- APNIC Research and Development
- Handle
- ORG-ARAD1-AP
- Country
-
Australia (AU)
- Address
- 6 Cordelia St
- Registry
- APNIC
- Registered Prefixes
-
1.0.0.0/24 (1.0.0.0 - 1.0.0.255)
1.1.1.0/24 (1.1.1.0 - 1.1.1.255)
Registration 3 of 11
- Handle
- IRT-CHINANET-CN
- Country
-
China (CN)
- Address
- No.31 ,jingrong street,beijing 100032
- Registry
- APNIC
- Registered Prefixes
-
1.0.1.0/24 (1.0.1.0 - 1.0.1.255)
1.0.2.0/23 (1.0.2.0 - 1.0.3.255)
1.0.8.0/21 (1.0.8.0 - 1.0.15.255)
1.0.32.0/19 (1.0.32.0 - 1.0.63.255)
1.1.0.0/24 (1.1.0.0 - 1.1.0.255)
1.1.2.0/23 (1.1.2.0 - 1.1.3.255)
1.1.4.0/22 (1.1.4.0 - 1.1.7.255)
1.1.9.0/24 (1.1.9.0 - 1.1.9.255)
1.1.10.0/23 (1.1.10.0 - 1.1.11.255)
1.1.12.0/22 (1.1.12.0 - 1.1.15.255)
1.1.16.0/20 (1.1.16.0 - 1.1.31.255)
1.1.32.0/19 (1.1.32.0 - 1.1.63.255)
1.2.0.0/23 (1.2.0.0 - 1.2.1.255)
1.2.5.0/24 (1.2.5.0 - 1.2.5.255)
1.2.6.0/23 (1.2.6.0 - 1.2.7.255)
1.2.9.0/24 (1.2.9.0 - 1.2.9.255)
1.2.10.0/23 (1.2.10.0 - 1.2.11.255)
1.2.12.0/22 (1.2.12.0 - 1.2.15.255)
1.2.16.0/20 (1.2.16.0 - 1.2.31.255)
1.2.32.0/19 (1.2.32.0 - 1.2.63.255)
1.2.64.0/18 (1.2.64.0 - 1.2.127.255)
1.3.0.0/16 (1.3.0.0 - 1.3.255.255)
1.4.1.0/24 (1.4.1.0 - 1.4.1.255)
1.4.2.0/23 (1.4.2.0 - 1.4.3.255)
1.4.5.0/24 (1.4.5.0 - 1.4.5.255)
1.4.6.0/23 (1.4.6.0 - 1.4.7.255)
1.4.8.0/21 (1.4.8.0 - 1.4.15.255)
1.4.16.0/20 (1.4.16.0 - 1.4.31.255)
1.4.32.0/19 (1.4.32.0 - 1.4.63.255)
1.4.64.0/18 (1.4.64.0 - 1.4.127.255)
Registration 4 of 11
- Owner
- Gtelecom Pty Ltd administrator
- Handle
- GPLA15-AP
- Country
-
Australia (AU)
- Address
- 1/18 Deblin Drive, Narre Warren, Narre Warren VIC 3805
- Registry
- APNIC
- Registered Prefix
- 1.0.4.0/24 (1.0.4.0 - 1.0.4.255)
- Delegated Prefix
- 1.0.4.0/22 (1.0.4.0 - 1.0.7.255)
Registration 5 of 11
- Owner
- Japan Network Information Center
- Handle
- JNIC1-AP
- Country
-
Japan (JP)
- Address
- Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, Japan
- Registry
- JPNIC
- Registered Prefixes
-
1.0.16.0/24 (1.0.16.0 - 1.0.16.255)
1.0.64.0/20 (1.0.64.0 - 1.0.79.255)
1.1.64.0/18 (1.1.64.0 - 1.1.127.255)
1.1.64.0/24 (1.1.64.0 - 1.1.64.255)
1.1.96.0/24 (1.1.96.0 - 1.1.96.255)
1.1.126.0/24 (1.1.126.0 - 1.1.126.255)
1.5.0.0/16 (1.5.0.0 - 1.5.255.255) - Delegated Prefixes
-
1.0.16.0/20 (1.0.16.0 - 1.0.31.255)
1.0.64.0/18 (1.0.64.0 - 1.0.127.255)
Registration 6 of 11
- Owner
- Apipol Gunabhibal
- Handle
- AG100-AP
- Country
-
Thailand (TH)
- Address
- TOT Public Company Limited 89/2 Moo 3 Chaengwattana Rd, Laksi, Bangkok 10210 THAILAND
- Registry
- APNIC
- Registered Prefixes
-
1.0.128.0/18 (1.0.128.0 - 1.0.191.255)
1.0.192.0/18 (1.0.192.0 - 1.0.255.255)
1.1.128.0/18 (1.1.128.0 - 1.1.191.255)
1.2.128.0/18 (1.2.128.0 - 1.2.191.255)
1.4.128.0/18 (1.4.128.0 - 1.4.191.255) - Delegated Prefixes
-
1.0.128.0/17 (1.0.128.0 - 1.0.255.255)
1.1.128.0/17 (1.1.128.0 - 1.1.255.255)
1.2.128.0/17 (1.2.128.0 - 1.2.255.255)
1.4.128.0/17 (1.4.128.0 - 1.4.255.255)
Registration 7 of 11
- Owner
- Yamu Technologies Co., Ltd.
- Handle
- ORG-YNCL1-AP
- Country
-
China (CN)
- Address
- No.500 Hongqiao Road, Xuhui District, Shanghai
- Registry
- APNIC
- Registered Prefix
- 1.1.8.0/24 (1.1.8.0 - 1.1.8.255)
Registration 8 of 11
- Owner
- Wenzhe Lu
- Handle
- WL1818-AP
- Country
-
China (CN)
- Address
- 4,South 4th treet, Zhongguancun,Haidian District,Beijing
- Registry
- APNIC
- Registered Prefixes
-
1.2.2.0/24 (1.2.2.0 - 1.2.2.255)
1.4.4.0/24 (1.4.4.0 - 1.4.4.255)
Registration 9 of 11
- Owner
- Resource Quality Assurance
- Handle
- ORG-RQA1-AP
- Country
-
Australia (AU)
- Address
- 6 Cordelia Street, South Brisbane
- Registry
- APNIC
- Registered Prefixes
-
1.2.3.0/24 (1.2.3.0 - 1.2.3.255)
1.4.0.0/24 (1.4.0.0 - 1.4.0.255)
Registration 10 of 11
- Handle
- IRT-CNNIC-CN
- Country
-
China (CN)
- Address
- Beijing, China
- Registry
- APNIC
- Registered Prefixes
-
1.2.4.0/24 (1.2.4.0 - 1.2.4.255)
1.2.8.0/24 (1.2.8.0 - 1.2.8.255)
Registration 11 of 11
- Handle
- IRT-SIFYNET-IN
- Country
-
India (IN)
- Address
- Sify Limited, 5th, 6th & 7th floor Reliable Plaza, Kalwa industrial Area, Thane Belapur Road, Airoli, Navi Mumbai-400708
- Registry
- APNIC
- Registered Prefix
- 1.6.0.0/15 (1.6.0.0 - 1.7.255.255)
These results are partial. Additional registration records were omitted.
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 1.0.0.0/24 | More specific | AS13335 | Cloudflare Inc. |
United States of America (US)
|
1.0.0.0 | 1.0.0.255 |
| 1.0.4.0/22 | More specific | AS38803 | Gtelecom Pty Ltd |
Australia (AU)
|
1.0.4.0 | 1.0.7.255 |
| 1.0.16.0/24 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.0.16.0 | 1.0.16.255 |
| 1.0.64.0/18 | More specific | AS18144 | Enecom Inc. |
Japan (JP)
|
1.0.64.0 | 1.0.127.255 |
| 1.0.128.0/17 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.0.128.0 | 1.0.255.255 |
| 1.0.197.0/24 | More specific | AS23974 | Ministry of Education - EMISC |
Thailand (TH)
|
1.0.197.0 | 1.0.197.255 |
| 1.1.1.0/24 | More specific | AS13335 | Cloudflare Inc. |
United States of America (US)
|
1.1.1.0 | 1.1.1.255 |
| 1.1.8.0/24 | More specific | AS138421 | China Unicom |
China (CN)
|
1.1.8.0 | 1.1.8.255 |
| 1.1.8.0/24 | More specific | AS149511 | Yamu Technologies Co. Ltd. |
China (CN)
|
1.1.8.0 | 1.1.8.255 |
| 1.1.64.0/19 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.64.0 | 1.1.95.255 |
| 1.1.96.0/20 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.96.0 | 1.1.111.255 |
| 1.1.112.0/21 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.112.0 | 1.1.119.255 |
| 1.1.120.0/22 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.120.0 | 1.1.123.255 |
| 1.1.124.0/23 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.124.0 | 1.1.125.255 |
| 1.1.126.0/24 | More specific | AS2519 | ARTERIA Networks Corporation |
Japan (JP)
|
1.1.126.0 | 1.1.126.255 |
| 1.1.128.0/17 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.1.128.0 | 1.1.255.255 |
| 1.2.4.0/24 | More specific | AS24151 | China Internet Network Infomation Center |
China (CN)
|
1.2.4.0 | 1.2.4.255 |
| 1.2.4.0/24 | More specific | AS24406 | China Internet Network Infomation Center |
China (CN)
|
1.2.4.0 | 1.2.4.255 |
| 1.2.4.0/24 | More specific | AS24409 | China Internet Network Infomation Center |
China (CN)
|
1.2.4.0 | 1.2.4.255 |
| 1.2.128.0/17 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.2.128.0 | 1.2.255.255 |
| 1.4.128.0/17 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.4.128.0 | 1.4.255.255 |
| 1.5.0.0/16 | More specific | AS4725 | SoftBank Corp. |
Japan (JP)
|
1.5.0.0 | 1.5.255.255 |
| 1.6.0.0/16 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.6.0.0 | 1.6.255.255 |
| 1.6.136.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.6.136.0 | 1.6.136.255 |
| 1.6.219.0/24 | More specific | AS137130 | Punjab National Bank |
India (IN)
|
1.6.219.0 | 1.6.219.255 |
| 1.6.226.0/23 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.6.226.0 | 1.6.227.255 |
| 1.6.228.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.6.228.0 | 1.6.228.255 |
| 1.6.229.0/24 | More specific | AS4755 | Tata Communications Limited |
India (IN)
|
1.6.229.0 | 1.6.229.255 |
| 1.6.230.0/24 | More specific | AS4755 | Tata Communications Limited |
India (IN)
|
1.6.230.0 | 1.6.230.255 |
| 1.7.0.0/24 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.0.0 | 1.7.0.255 |
| 1.7.3.0/24 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.3.0 | 1.7.3.255 |
| 1.7.4.0/22 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.4.0 | 1.7.7.255 |
| 1.7.8.0/21 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.8.0 | 1.7.15.255 |
| 1.7.16.0/20 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.16.0 | 1.7.31.255 |
| 1.7.24.0/24 | More specific | AS133388 | IMS Health India Pvt Ltd |
India (IN)
|
1.7.24.0 | 1.7.24.255 |
| 1.7.32.0/20 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.32.0 | 1.7.47.255 |
| 1.7.48.0/21 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.48.0 | 1.7.55.255 |
| 1.7.60.0/23 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.60.0 | 1.7.61.255 |
| 1.7.81.0/24 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.81.0 | 1.7.81.255 |
| 1.7.82.0/23 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.82.0 | 1.7.83.255 |
| 1.7.84.0/22 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.84.0 | 1.7.87.255 |
| 1.7.88.0/21 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.88.0 | 1.7.95.255 |
| 1.7.96.0/21 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.96.0 | 1.7.103.255 |
| 1.7.104.0/22 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.104.0 | 1.7.107.255 |
| 1.7.108.0/24 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.108.0 | 1.7.108.255 |
| 1.7.128.0/18 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.128.0 | 1.7.191.255 |
| 1.7.142.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.142.0 | 1.7.142.255 |
| 1.7.151.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.151.0 | 1.7.151.255 |
| 1.7.161.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.161.0 | 1.7.161.255 |
| 1.7.162.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.162.0 | 1.7.162.255 |
| 1.7.178.0/24 | More specific | AS137130 | Punjab National Bank |
India (IN)
|
1.7.178.0 | 1.7.178.255 |
| 1.7.180.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.180.0 | 1.7.180.255 |
| 1.7.190.0/24 | More specific | AS137130 | Punjab National Bank |
India (IN)
|
1.7.190.0 | 1.7.190.255 |
| 1.7.192.0/21 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.192.0 | 1.7.199.255 |
| 1.7.200.0/23 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.200.0 | 1.7.201.255 |
| 1.7.202.0/24 | More specific | AS132215 | Powergrid Teleservices Limited |
India (IN)
|
1.7.202.0 | 1.7.202.255 |
| 1.7.204.0/22 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.204.0 | 1.7.207.255 |
| 1.7.205.0/24 | More specific | AS140202 | Fullerton India Credit Co. Ltd. |
India (IN)
|
1.7.205.0 | 1.7.205.255 |
| 1.7.208.0/20 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.208.0 | 1.7.223.255 |
| 1.7.224.0/20 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.224.0 | 1.7.239.255 |
| 1.7.225.0/24 | More specific | AS396421 | PALO ALTO NETWORKS |
United States of America (US)
|
1.7.225.0 | 1.7.225.255 |
| 1.7.228.0/24 | More specific | AS137130 | Punjab National Bank |
India (IN)
|
1.7.228.0 | 1.7.228.255 |
| 1.7.240.0/22 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.240.0 | 1.7.243.255 |
| 1.7.244.0/23 | More specific | AS9583 | Sify Limited |
India (IN)
|
1.7.244.0 | 1.7.245.255 |
| 1.8.1.0/24 | More specific | AS38345 | Internet Domain Name System Beijing Engineering Resrarch Center Ltd. |
China (CN)
|
1.8.1.0 | 1.8.1.255 |
| 1.8.8.0/24 | More specific | AS38345 | Internet Domain Name System Beijing Engineering Resrarch Center Ltd. |
China (CN)
|
1.8.8.0 | 1.8.8.255 |
| 1.9.0.0/16 | More specific | AS4788 | TM TECHNOLOGY SERVICES SDN BHD |
Malaysia (MY)
|
1.9.0.0 | 1.9.255.255 |
| 1.10.10.0/24 | More specific | AS148000 | National Knowledge Network |
India (IN)
|
1.10.10.0 | 1.10.10.255 |
| 1.10.128.0/17 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.10.128.0 | 1.10.255.255 |
| 1.10.135.0/24 | More specific | AS23974 | Ministry of Education - EMISC |
Thailand (TH)
|
1.10.135.0 | 1.10.135.255 |
| 1.11.0.0/16 | More specific | AS38091 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.0.0 | 1.11.255.255 |
| 1.11.0.0/21 | More specific | AS18313 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.0.0 | 1.11.7.255 |
| 1.11.8.0/21 | More specific | AS18318 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.8.0 | 1.11.15.255 |
| 1.11.16.0/22 | More specific | AS18318 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.16.0 | 1.11.19.255 |
| 1.11.24.0/21 | More specific | AS18313 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.24.0 | 1.11.31.255 |
| 1.11.33.0/24 | More specific | AS38120 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.33.0 | 1.11.33.255 |
| 1.11.34.0/23 | More specific | AS38120 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.34.0 | 1.11.35.255 |
| 1.11.36.0/22 | More specific | AS38120 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.36.0 | 1.11.39.255 |
| 1.11.40.0/21 | More specific | AS18313 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.40.0 | 1.11.47.255 |
| 1.11.48.0/21 | More specific | AS38120 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.48.0 | 1.11.55.255 |
| 1.11.56.0/21 | More specific | AS18313 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.56.0 | 1.11.63.255 |
| 1.11.92.0/23 | More specific | AS45996 | DAOU TECHNOLOGY |
Korea (the Republic of) (KR)
|
1.11.92.0 | 1.11.93.255 |
| 1.11.94.0/24 | More specific | AS45996 | DAOU TECHNOLOGY |
Korea (the Republic of) (KR)
|
1.11.94.0 | 1.11.94.255 |
| 1.11.96.0/19 | More specific | AS38669 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.96.0 | 1.11.127.255 |
| 1.11.128.0/17 | More specific | AS17839 | LG HelloVision Corp. |
Korea (the Republic of) (KR)
|
1.11.128.0 | 1.11.255.255 |
| 1.12.0.0/14 | More specific | AS45090 | Shenzhen Tencent Computer Systems Company Limited |
China (CN)
|
1.12.0.0 | 1.15.255.255 |
| 1.12.0.0/20 | More specific | AS132203 | Shenzhen Tencent Computer Systems Company Limited |
China (CN)
|
1.12.0.0 | 1.12.15.255 |
| 1.12.34.0/23 | More specific | AS132203 | Shenzhen Tencent Computer Systems Company Limited |
China (CN)
|
1.12.34.0 | 1.12.35.255 |
| 1.16.0.0/18 | More specific | AS45996 | DAOU TECHNOLOGY |
Korea (the Republic of) (KR)
|
1.16.0.0 | 1.16.63.255 |
| 1.18.116.0/24 | More specific | AS131098 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.116.0 | 1.18.116.255 |
| 1.18.118.0/24 | More specific | AS131099 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.118.0 | 1.18.118.255 |
| 1.18.119.0/24 | More specific | AS131100 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.119.0 | 1.18.119.255 |
| 1.18.123.0/24 | More specific | AS23599 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.123.0 | 1.18.123.255 |
| 1.18.125.0/24 | More specific | AS23599 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.125.0 | 1.18.125.255 |
| 1.18.126.0/24 | More specific | AS23599 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.126.0 | 1.18.126.255 |
| 1.18.127.0/24 | More specific | AS23596 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.127.0 | 1.18.127.255 |
| 1.18.128.0/23 | More specific | AS23596 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.128.0 | 1.18.129.255 |
| 1.18.130.0/24 | More specific | AS23596 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.130.0 | 1.18.130.255 |
| 1.18.132.0/22 | More specific | AS23600 | Korea Internet Security Agency |
Korea (the Republic of) (KR)
|
1.18.132.0 | 1.18.135.255 |
| 1.20.0.0/16 | More specific | AS23969 | TOT Public Company Limited |
Thailand (TH)
|
1.20.0.0 | 1.20.255.255 |
| 1.20.123.0/24 | More specific | AS56120 | TOT Mobile Co LTD |
Thailand (TH)
|
1.20.123.0 | 1.20.123.255 |
| 1.20.126.0/23 | More specific | AS56120 | TOT Mobile Co LTD |
Thailand (TH)
|
1.20.126.0 | 1.20.127.255 |
| 1.20.247.0/24 | More specific | AS23974 | Ministry of Education - EMISC |
Thailand (TH)
|
1.20.247.0 | 1.20.247.255 |
Showing the first 100 announced prefixes. Additional more-specific announcements were omitted.