103.207.156.0/23
AS5580 · GTT Communications Netherlands B.V.
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WHOIS Details
inetnum: 103.207.156.0 - 103.207.157.255 netname: GTT-HK descr: GTT Communications HK Limited descr: c/o Horwath Management Services Limited descr: 38th Floor Central Plaza, 18 Harbour Road country: HK org: ORG-THKL1-AP admin-c: GCHL3-AP tech-c: GCHL3-AP status: ALLOCATED PORTABLE abuse-c: AG890-AP 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-GTT-HK mnt-routes: MAINT-GTT-HK mnt-irt: IRT-GTT-AP last-modified: 2021-03-11T02:44:26Z source: APNIC irt: IRT-GTT-AP address: GTT Communications, Inc. address: 7900 Tysons One Place address: Suite 1450 address: McLean, VA 22102 address: US phone: +1 703 442 5500 fax-no: +1 703 442 5501 e-mail: noc@gtt.net abuse-mailbox: abuse@gtt.net admin-c: THKL1-AP tech-c: THKL1-AP auth: # Filtered remarks: abuse@gtt.net was validated on 2024-08-14 remarks: noc@gtt.net was validated on 2024-11-06 mnt-by: MAINT-TINET-HK last-modified: 2024-11-06T19:55:30Z source: APNIC organisation: ORG-THKL1-AP org-name: GTT Communications HK Limited org-type: LIR country: HK address: GTT Communications, Inc address: c/o Horwath Management Services Limited address: 38th Floor Central Plaza, 18 Harbour Road phone: +49-6102-8235-381 fax-no: +49-6102-8235-389 e-mail: netguartd@gtt.net mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:15:37Z source: APNIC role: ABUSE GTTAP country: ZZ address: GTT Communications, Inc. address: 7900 Tysons One Place address: Suite 1450 address: McLean, VA 22102 address: US phone: +1 703 442 5500 e-mail: noc@gtt.net admin-c: THKL1-AP tech-c: THKL1-AP nic-hdl: AG890-AP remarks: Generated from irt object IRT-GTT-AP remarks: abuse@gtt.net was validated on 2024-08-14 remarks: noc@gtt.net was validated on 2024-11-06 abuse-mailbox: abuse@gtt.net mnt-by: APNIC-ABUSE last-modified: 2024-11-06T19:56:22Z source: APNIC role: GTT Communications HK Limited - network administrator address: 38th Floor Central Plaza, 18 Harbour Road, Wanchai, Hong Kong country: HK phone: +49-6102-8235 381 fax-no: +49-6102-8235 389 e-mail: netguard@gtt.net admin-c: GCHL3-AP tech-c: GCHL3-AP nic-hdl: GCHL3-AP mnt-by: MAINT-GTT-HK last-modified: 2020-09-15T22:58:37Z source: APNIC route: 103.207.156.0/23 origin: AS5580 descr: GTT Communications HK Limited GTT Communications, Inc c/o Horwath Management Services Limited 38th Floor Central Plaza, 18 Harbour Road mnt-by: MAINT-GTT-HK last-modified: 2021-03-11T09:08:04Z source: APNIC
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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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