183.131.252.0/22
AS4809 · China Telecom Next Generation Carrier Network
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inetnum: 183.131.240.0 - 183.131.255.255 netname: CHINANET-ZJ-NB descr: CHINANET-ZJ Ningbo node network descr: Zhejiang Telecom country: CN admin-c: CZ4-AP tech-c: CN13-AP abuse-c: AC1602-AP status: ALLOCATED NON-PORTABLE mnt-by: MAINT-CHINANET-ZJ mnt-lower: MAINT-CN-CHINANET-ZJ-NB mnt-irt: IRT-CHINANET-ZJ last-modified: 2021-06-24T07:48:55Z source: APNIC irt: IRT-CHINANET-ZJ address: Hangzhou, 288 fucun Road, China e-mail: antispam_zjnoc@163.com abuse-mailbox: antispam_zjnoc@163.com admin-c: CZ61-AP tech-c: CZ61-AP auth: # Filtered remarks: antispam_zjnoc@163.com was validated on 2024-03-27 mnt-by: MAINT-CHINANET-ZJ last-modified: 2024-03-27T07:33:24Z source: APNIC role: ABUSE CHINANETZJ address: Hangzhou, 288 fucun Road, China country: ZZ phone: +000000000 e-mail: antispam_zjnoc@163.com admin-c: CZ61-AP tech-c: CZ61-AP nic-hdl: AC1602-AP remarks: Generated from irt object IRT-CHINANET-ZJ remarks: antispam_zjnoc@163.com was validated on 2024-03-27 abuse-mailbox: antispam_zjnoc@163.com mnt-by: APNIC-ABUSE last-modified: 2024-03-27T07:34:37Z source: APNIC role: CHINANET-ZJ Ningbo address: No.180 Jiefang Road(North),Ningbo,Zhejiang.315010 country: CN phone: +86-574-87278134 fax-no: +86-574-87362712 e-mail: antispam_nb@zjnoc.hz.zj.cn remarks: send spam reports to antispam_nb@zjnoc.hz.zj.cn remarks: and abuse reports to antispam_nb@zjnoc.hz.zj.cn remarks: Please include detailed information and times in UTC admin-c: CH105-AP tech-c: CH105-AP nic-hdl: CN13-AP mnt-by: MAINT-CHINANET-ZJ last-modified: 2021-05-20T02:50:38Z source: APNIC role: CHINANET ZHEJIANG address: No. 257 Qingjiang Road, Hangzhou, Zhejiang.310066 country: CN phone: +86-571-86821752 fax-no: +86-571-86988329 e-mail: anti_spam_zjdx@189.cn remarks: send spam reports to 15325717748@189.cn remarks: and abuse reports to 15325717748@189.cn remarks: Please include detailed information and times in UTC admin-c: CZ61-AP tech-c: CZ61-AP nic-hdl: CZ4-AP mnt-by: MAINT-CHINANET-ZJ last-modified: 2023-08-11T08:33:28Z 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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