IPv4 prefix

210.90.0.0/17

IP Prefix (CIDR)

210.90.0.0/17

Subnet Mask

255.255.128.0

Address Count

32,768

IP Range

210.90.0.0 - 210.90.127.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

IP Manager

Handle

IM9-KR

Country

Korea (the Republic of) (KR)

Address

90 Buljeong-ro, Bundang-gu, Seongnam-si, Gyeonggi-do KT Head Office

Registry

KRNIC

Registered Prefix

210.90.0.0/17 (210.90.0.0 - 210.90.127.255)

Delegated Prefix

210.90.0.0/15 (210.90.0.0 - 210.91.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
210.90.0.0/15	Covering	AS4766	Korea Telecom	Korea (the Republic of) (KR)	210.90.0.0	210.91.255.255
210.90.0.0/24	More specific	AS9647	Seoul Metropolitan Government	Korea (the Republic of) (KR)	210.90.0.0	210.90.0.255
210.90.6.0/24	More specific	AS45400	Korea Telecom	Korea (the Republic of) (KR)	210.90.6.0	210.90.6.255
210.90.8.0/24	More specific	AS17841	NATIONAL INFORMATION RESOURCES SERVICE	Korea (the Republic of) (KR)	210.90.8.0	210.90.8.255
210.90.15.0/24	More specific	AS17841	NATIONAL INFORMATION RESOURCES SERVICE	Korea (the Republic of) (KR)	210.90.15.0	210.90.15.255
210.90.28.0/24	More specific	AS23568	CycleBoat Racing Business Division	Korea (the Republic of) (KR)	210.90.28.0	210.90.28.255
210.90.44.0/24	More specific	AS17600	KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION	Korea (the Republic of) (KR)	210.90.44.0	210.90.44.255
210.90.46.0/23	More specific	AS17574	Seoul Metropolitan Government Computer Center	Korea (the Republic of) (KR)	210.90.46.0	210.90.47.255
210.90.46.0/23	More specific	AS17841	NATIONAL INFORMATION RESOURCES SERVICE	Korea (the Republic of) (KR)	210.90.46.0	210.90.47.255
210.90.80.0/24	More specific	AS45400	Korea Telecom	Korea (the Republic of) (KR)	210.90.80.0	210.90.80.255
210.90.82.0/24	More specific	AS45400	Korea Telecom	Korea (the Republic of) (KR)	210.90.82.0	210.90.82.255