Summary

NetName
K-Opticom
OrgName
OPTAGE Inc.
CIDR
RIR

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-10-26T06:30:06Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS174 COGENT-174 - Cogent Communications, US United States 35923456 413600514048
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3796480 17716871168
AS2516 KDDI - KDDI CORPORATION, JP Japan 18102016 2757369069568
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3670016 38654705664
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 7006464 34359869440
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29848320 77330644992
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 2048 0
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 466432 17179869184
AS6939 HURRICANE - Hurricane Electric LLC, US United States 551680 282631682457600
AS7473 SINGTEL-AS-AP - Singapore Telecommunications (SINGTEL Internet Exchange), SG Singapore 65280 4295229440
AS8708 RCS-RDS - DIGI ROMANIA S.A., RO Romania 1917184 73014444032
AS9002 RETN-AS - RETN Limited, GB United Kingdom 27392 4294967296
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45824 42949804032
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS19151 BBO-1 - BroadbandONE, LLC, US United States 32768 4294967296
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21504 4294967296
AS35280 F5 - F5 Networks SARL, FR France 51968 81604378624
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2560 4578082816
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9728 4295884800
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94464 354874032128
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9472 38654705664
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23552 8589934592
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8192 4294967296
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 7936 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 66816 107407736832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 95488 112394240

Whois

inetnum:        218.251.0.0 - 218.251.127.255
netname:        K-Opticom
descr:          OPTAGE Inc.
descr:          OPTAGE BLDG.,2-1-5 Shiromi,chuo-ku,Osaka 540-8622, Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : [email protected]
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
mnt-lower:      MAINT-JPNIC
last-modified:  2020-10-26T06:30:06Z
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:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2024-11-27T01:47:27Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

CIDR

218.251.0.0/24 218.251.1.0/24 218.251.2.0/24 218.251.3.0/24
218.251.5.0/24 218.251.6.0/24 218.251.7.0/24 218.251.8.0/24
218.251.10.0/24 218.251.11.0/24 218.251.12.0/24 218.251.13.0/24
218.251.15.0/24 218.251.16.0/24 218.251.17.0/24 218.251.18.0/24
218.251.20.0/24 218.251.21.0/24 218.251.22.0/24 218.251.23.0/24
218.251.25.0/24 218.251.26.0/24 218.251.27.0/24 218.251.28.0/24
218.251.30.0/24 218.251.31.0/24 218.251.32.0/24 218.251.33.0/24
218.251.35.0/24 218.251.36.0/24 218.251.37.0/24 218.251.38.0/24
218.251.40.0/24 218.251.41.0/24 218.251.42.0/24 218.251.43.0/24
218.251.45.0/24 218.251.46.0/24 218.251.47.0/24 218.251.48.0/24
218.251.50.0/24 218.251.51.0/24 218.251.52.0/24 218.251.53.0/24
218.251.55.0/24 218.251.56.0/24 218.251.57.0/24 218.251.58.0/24
218.251.60.0/24 218.251.61.0/24 218.251.62.0/24 218.251.63.0/24
218.251.65.0/24 218.251.66.0/24 218.251.67.0/24 218.251.68.0/24
218.251.70.0/24 218.251.71.0/24 218.251.72.0/24 218.251.73.0/24
218.251.75.0/24 218.251.76.0/24 218.251.77.0/24 218.251.78.0/24
218.251.80.0/24 218.251.81.0/24 218.251.82.0/24 218.251.83.0/24
218.251.85.0/24 218.251.86.0/24 218.251.87.0/24 218.251.88.0/24
218.251.90.0/24 218.251.91.0/24 218.251.92.0/24 218.251.93.0/24
218.251.95.0/24 218.251.96.0/24 218.251.97.0/24 218.251.98.0/24
218.251.100.0/24 218.251.101.0/24 218.251.102.0/24 218.251.103.0/24
218.251.105.0/24 218.251.106.0/24 218.251.107.0/24 218.251.108.0/24
218.251.110.0/24 218.251.111.0/24 218.251.112.0/24 218.251.113.0/24
218.251.115.0/24 218.251.116.0/24 218.251.117.0/24 218.251.118.0/24
218.251.120.0/24 218.251.121.0/24 218.251.122.0/24 218.251.123.0/24
218.251.125.0/24 218.251.126.0/24 218.251.127.0/24