103.146.250.0/23
AS139903 · RETN Telecoms Ltd.
WHOIS Details
inetnum: 103.146.250.0 - 103.146.251.255 netname: RETN-TW descr: RETN Telecoms Ltd. country: TW org: ORG-RTL4-AP admin-c: RTLA4-AP tech-c: RTLA4-AP abuse-c: AR887-AP status: ALLOCATED PORTABLE remarks: -------------------------------------------------------- remarks: To report network abuse, please contact mnt-irt remarks: For troubleshooting, please contact tech-c and admin-c remarks: Report invalid contact via www.apnic.net/invalidcontact remarks: -------------------------------------------------------- mnt-by: APNIC-HM mnt-lower: MAINT-RETN-TW mnt-routes: MAINT-RETN-TW mnt-irt: IRT-RETN-TW last-modified: 2020-06-22T07:30:43Z source: APNIC irt: IRT-RETN-TW address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei e-mail: abuse@retn.net abuse-mailbox: abuse@retn.net admin-c: RTLA4-AP tech-c: RTLA4-AP auth: # Filtered remarks: abuse@retn.net was validated on 2023-01-24 mnt-by: MAINT-RETN-TW last-modified: 2023-01-24T13:11:27Z source: APNIC organisation: ORG-RTL4-AP org-name: RETN Telecoms Ltd. country: TW address: 9F-5, No. 70 Yanping S. Road address: Zhongzheng District phone: +886-2-2511-0013 e-mail: noc@retn.net mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2021-05-18T12:57:29Z source: APNIC role: ABUSE RETNTW address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei country: ZZ phone: +000000000 e-mail: abuse@retn.net admin-c: RTLA4-AP tech-c: RTLA4-AP nic-hdl: AR887-AP remarks: Generated from irt object IRT-RETN-TW remarks: abuse@retn.net was validated on 2023-01-24 abuse-mailbox: abuse@retn.net mnt-by: APNIC-ABUSE last-modified: 2023-01-24T13:12:01Z source: APNIC role: RETN Telecoms Ltd administrator address: 7F.-3, No.103, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei country: TW phone: +886 2 2511 0013 fax-no: +886 2 2511 0013 e-mail: abuse@retn.net admin-c: RTLA4-AP tech-c: RTLA4-AP nic-hdl: RTLA4-AP mnt-by: MAINT-RETN-TW last-modified: 2019-12-23T00:33:24Z source: APNIC route: 103.146.250.0/23 descr: RETN-TW origin: AS139903 mnt-by: MAINT-RETN-TW last-modified: 2020-01-06T16:57:09Z source: APNIC
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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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