147.157.84.0/24
AS2907 · Research Organization of Information and Systems, National Institute of Informatics
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Country |
Japan
|
Domain | tsukuba-tech.ac.jp |
ASN | AS2907 |
Registry | apnic |
Hosted IPs | 256 |
ID | TCNET |
WHOIS Details
inetnum: 147.157.0.0 - 147.157.255.255 netname: TCNET descr: Tsukuba College of Technology country: JP admin-c: TCoT1-AP tech-c: TCoT1-AP status: ALLOCATED PORTABLE mnt-by: MAINT-JPNIC mnt-irt: IRT-JPNIC-JP last-modified: 2015-12-01T22:24:38Z source: APNIC irt: IRT-JPNIC-JP address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda address: Chiyoda-ku, Tokyo 101-0047, Japan e-mail: hostmaster@nic.ad.jp abuse-mailbox: hostmaster@nic.ad.jp phone: +81-3-5297-2311 fax-no: +81-3-5297-2312 admin-c: JNIC1-AP tech-c: JNIC1-AP auth: # Filtered remarks: hostmaster@nic.ad.jp was validated on 2020-07-23 mnt-by: MAINT-JPNIC last-modified: 2022-06-14T04:26:58Z source: APNIC person: Tsukuba College of Technology address: 4-12-7 Kasuga Tsukuba, 3050821 country: JP phone: +81-298-52-2890 e-mail: masaji@k.tsukuba-tech.ac.jp nic-hdl: TCoT1-AP remarks: ---------- remarks: imported from ARIN object: remarks: remarks: poc-handle: ZT23-ARIN remarks: is-role: Y remarks: last-name: Tsukuba College of Technology remarks: street: 4-12-7 Kasuga Tsukuba, 3050821 remarks: country: JP remarks: mailbox: masaji@k.tsukuba-tech.ac.jp remarks: bus-phone: +81-298-52-2890 remarks: reg-date: 2000-04-13 remarks: changed: hostmaster@arin.poc 20000413 remarks: source: ARIN remarks: remarks: ---------- notify: masaji@k.tsukuba-tech.ac.jp mnt-by: MNT-ERX-TSUKUBACOLTECH-NON-JP last-modified: 2008-09-04T07:29:34Z source: APNIC
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IP addresses in this range
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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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